{"id":2363,"date":"2017-06-29T11:47:37","date_gmt":"2017-06-29T02:47:37","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=2363"},"modified":"2017-06-29T11:52:51","modified_gmt":"2017-06-29T02:52:51","slug":"java-se-9-%e3%81%ae%e4%ba%88%e7%bf%92-%e3%81%9d%e3%81%ae%ef%bc%95","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=2363","title":{"rendered":"Java SE 9 \u306e\u4e88\u7fd2 \u305d\u306e\uff15"},"content":{"rendered":"<p>Java SE 9 \u306e\u4e88\u7fd2 \u305d\u306e\uff15\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u5730\u5473\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u7a4d\u307f\u91cd\u306d\u3066\u3044\u308b ProcessAPI \u3092\u30b4\u30cb\u30e7\u30b4\u30cb\u30e7\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>JDK 9 \u3067\u3069\u306e\u3088\u3046\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f\u304b\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u30d7\u30ed\u30bb\u30b9 ID \u304c\u76f4\u611f\u7684\u306b\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u307e\u3059\u3002<\/p>\n<p>\u4eca\u307e\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u89e3\u308a\u306b\u304f\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<pre>\tString pName = ManagementFactory.getRuntimeMXBean().getName();\r\n\tint pid = Integer.parseInt(pName.split(\"@\")[0]);<\/pre>\n<p>\u305d\u308c\u304c JDK 9 \u3067\u306f ProcessHandle \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u7528\u610f\u3055\u308c\u4fbf\u5229\u306b\u4f7f\u3048\u308b\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\u3042\u308b\u306e\u3067\u6b21\u306e\u3088\u3046\u306b\u512a\u3057\u3044\u30b3\u30fc\u30c9\u3067\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9ID\u3068\u30b3\u30de\u30f3\u30c9\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3064\u304e\u306e\u3088\u3046\u306a\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre title=\"Java9ProcessAPI.java\" start-line=\"17\">        \/\/ \u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9ID\u3068\u30b3\u30de\u30f3\u30c9\u3092\u53d6\u5f97\r\n        System.out.println(\"\\n\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9ID\u3068\u30b3\u30de\u30f3\u30c9\u3092\u53d6\u5f97\");\r\n        ProcessHandle.allProcesses().forEach(processHandle\r\n                -&gt; System.out.println(\"PID: \" + processHandle.pid()\r\n                        + \" Command: \" + processHandle.info().command().orElse(\"none.\")));\r\n<\/pre>\n<p>static Stream&lt;ProcessHandle&gt; allProcesses\u200b() \u30e1\u30bd\u30c3\u30c9\u3067\u73fe\u5728\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u898b\u3048\u308b\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u975e\u540c\u671f\u3067\u51e6\u7406\u3055\u308c\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3042\u3068\u306b\u30d7\u30ed\u30bb\u30b9\u306e\u958b\u59cb\u3001\u7d42\u4e86\u306a\u3069\u304c\u554f\u984c\u306b\u306a\u308b\u5834\u5408\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\uff08\u9577\u3044\u306e\u3067\u9014\u4e2d\u7701\u7565\u3057\u3066\u307e\u3059\u3002\uff09<\/p>\n<pre>\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9ID\u3068\u30b3\u30de\u30f3\u30c9\u3092\u53d6\u5f97\r\nPID: 1 Command: none.\r\nPID: 2 Command: none.\r\nPID: 3 Command: none.\r\nPID: 5 Command: none.\r\n\t\t*\r\n\t\t*\r\n\t\t*\r\n\t\t*\r\n\t\t*\r\nPID: 2066 Command: \/usr\/lib\/gvfs\/gvfs-mtp-volume-monitor\r\nPID: 2071 Command: \/usr\/lib\/gvfs\/gvfs-afc-volume-monitor\r\nPID: 2080 Command: \/usr\/lib\/evolution\/evolution-calendar-factory-subprocess\r\nPID: 2083 Command: \/usr\/lib\/gvfs\/gvfs-goa-volume-monitor\r\nPID: 2088 Command: \/usr\/lib\/gvfs\/gvfs-gphoto2-volume-monitor\r\nPID: 2100 Command: \/usr\/lib\/evolution\/evolution-calendar-factory-subprocess\r\nPID: 2112 Command: \/usr\/lib\/gvfs\/gvfsd-trash\r\nPID: 2126 Command: \/usr\/lib\/evolution\/evolution-addressbook-factory\r\nPID: 2137 Command: \/usr\/lib\/evolution\/evolution-addressbook-factory-subprocess\r\nPID: 2173 Command: \/usr\/lib\/gvfs\/gvfsd-metadata\r\nPID: 2195 Command: \/bin\/bash\r\nPID: 2470 Command: \/home\/yucchi\/Sun\/jdk-9\/bin\/java\r\nPID: 2523 Command: \/usr\/bin\/zeitgeist-datahub\r\nPID: 2530 Command: \/bin\/dash\r\nPID: 2534 Command: \/usr\/bin\/zeitgeist-daemon\r\nPID: 2541 Command: \/usr\/lib\/x86_64-linux-gnu\/zeitgeist-fts\r\nPID: 2643 Command: \/usr\/bin\/update-notifier\r\nPID: 2677 Command: \/usr\/lib\/x86_64-linux-gnu\/deja-dup\/deja-dup-monitor\r\nPID: 2794 Command: none.\r\nPID: 2812 Command: none.\r\nPID: 2850 Command: none.\r\nPID: 3092 Command: none.\r\nPID: 3113 Command: none.\r\nPID: 3118 Command: \/home\/yucchi\/Sun\/jdk-9\/bin\/java\r\n<\/pre>\n<p>\u305d\u308c\u3067\u306f JDK 9 \u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f public static interface ProcessHandle.Info \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><font color=\"#000000\">\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3002<\/font><\/p>\n<p><font color=\"#000000\">\u30d7\u30ed\u30bb\u30b9\u306e\u5c5e\u6027\u306f\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u3001\u3059\u3079\u3066\u306e\u5b9f\u88c5\u3067\u5229\u7528\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/font><\/p>\n<p><font color=\"#000000\">\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u306f\u3001\u8981\u6c42\u3092\u884c\u3046\u30d7\u30ed\u30bb\u30b9\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u6a29\u9650\u306b\u3088\u3063\u3066\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/font><\/p>\n<p><font color=\"#000000\">\u3082\u3057\u5024\u304c\u5229\u7528\u53ef\u80fd\u3067\u3042\u308b\u306a\u3089\u3001\u623b\u308a\u578b\u306f\u660e\u793a\u7684\u306a\u30c6\u30b9\u30c8\u3068\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u8a31\u3059 Optional&lt;T&gt; \u3067\u3059\u3002<\/font><\/p>\n<p>ProcessHandle.Info info\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>ProcessHandle.Info\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u3001\u5229\u7528\u53ef\u80fd\u306a\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8fd4\u3059\u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Optional&lt;String[]&gt; arguments\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u5f15\u6570\u306e\u6587\u5b57\u5217\u306e\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002(\u30d7\u30ed\u30bb\u30b9\u306e\u5f15\u6570\u306e Optional&lt;String[]&gt;)<\/p>\n<p>\u305f\u3060\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u8d77\u52d5\u5f8c\u306b\u5f15\u6570\u914d\u5217\u3092\u81ea\u7531\u306b\u5909\u66f4\u3067\u304d\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u5909\u66f4\u3055\u308c\u305f\u5024\u306e\u307f\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Optional&lt;Instant&gt; startInstant\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u958b\u59cb\u6642\u523b\u3092\u8fd4\u3057\u307e\u3059\u3002(\u30d7\u30ed\u30bb\u30b9\u306e\u958b\u59cb\u6642\u523b\u306e Optional&lt;Instant&gt; \u3067\u3059\u3002)<\/p>\n<p>Optional&lt;Duration&gt; totalCpuDuration\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u7d2f\u7a4d\u5408\u8a08 cputime \u3092\u8fd4\u3057\u307e\u3059\u3002(\u7d2f\u7a4d\u5408\u8a08 cputime \u306e Optional&lt;Duration&gt;)<\/p>\n<p>Optional&lt;String&gt; user\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002(\u30d7\u30ed\u30bb\u30b9\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3064\u3044\u3066\u306e Optional&lt;String&gt;)<\/p>\n<p>Optional&lt;String&gt; command\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u53ef\u80fd\u30d1\u30b9\u540d\u3092\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002(\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u53ef\u80fd\u30d1\u30b9\u540d\u306e Optional&lt;String&gt;)<\/p>\n<p>Optional&lt;String&gt; commandLine\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u8fd4\u3057\u307e\u3059\u3002(\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306e Optional&lt;String&gt;)<\/p>\n<p>command() \u30e1\u30bd\u30c3\u30c9\u3068 arguments() \u30e1\u30bd\u30c3\u30c9\u304c Optinal.empty \u3067\u306a\u3044 Optional&lt;String&gt; \u3092\u8fd4\u3059\u5834\u5408\u3001\u3053\u308c\u306f\u5358\u306b\u7a7a\u767d\u3067\u533a\u5207\u3089\u308c\u305f2\u3064\u306e\u95a2\u6570\u306e\u5024\u3092\u9023\u7d50\u3059\u308b\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306e\u30d9\u30b9\u30c8\u30a8\u30d5\u30a9\u30fc\u30c8\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4f9d\u5b58\u306e\u8868\u73fe\u3092\u8fd4\u3057\u307e\u3059\u3002 <\/p>\n<p>\u305f\u3060\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5236\u9650\u306b\u3088\u308a\u3001\u8fd4\u3055\u308c\u305f\u5b9f\u884c\u53ef\u80fd\u30d1\u30b9\u540d\u3068\u5f15\u6570\u304c\u4e00\u90e8\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u5207\u308a\u6368\u3066\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u884c\u53ef\u80fd\u306a\u30d1\u30b9\u540d\u306b\u306f\u3001\u5b8c\u5168\u306a\u30d1\u30b9\u60c5\u5831\u304c\u306a\u3044\u5b9f\u884c\u53ef\u80fd\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u306e\u307f\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7a7a\u767d\u304c\u7570\u306a\u308b\u5f15\u6570\u3092\u533a\u5207\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u5358\u4e00\u306e\u5f15\u6570\u306e\u4e00\u90e8\u306a\u306e\u304b\u306f\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4ee5\u4e0a\u3001ProcessHandle.Info \u306e\u4fbf\u5229\u306a\u30a2\u30af\u30bb\u30b5\u30e1\u30bd\u30c3\u30c9\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u5168\u3066\u8a66\u3057\u3066\u306a\u3044\u306e\u3067\u3059\u304c Windows \u3060\u3068\u60c5\u5831\u53d6\u5f97\u3067\u304d\u308b\u3051\u3069 Linux (Ubunts) \u3060\u3068\u53d6\u308c\u306a\u3044\u3068\u304b\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3067\u3082 JDK 9 \u3067\u306e ProcessAPI \u306f\u3053\u308c\u3060\u3051\u3067\u3082\u958b\u767a\u8005\u306b\u512a\u3057\u304f\u306a\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3044\u308d\u3044\u308d\u30b4\u30cb\u30e7\u30b4\u30cb\u30e7\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u6b21\u306b\u4efb\u610f\u306e\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre title=\"Java9ProcessAPI.java\" start-line=\"23\">        \/\/  \u4efb\u610f\u306e\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\n        System.out.println(\"\\n\u4efb\u610f\u306e\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\");\r\n        final int pid = 2677; \/\/ PID: 2677 Command: \/usr\/lib\/x86_64-linux-gnu\/deja-dup\/deja-dup-monitor\r\n\r\n        ProcessHandle processHandle = ProcessHandle.of(pid).get();\r\n        System.out.println(\"PID: \" + processHandle.pid());\r\n        System.out.println(\"Command: \" + processHandle.info().command().orElse(\"none.\"));\r\n        System.out.println(\"CPU Duration: \" + processHandle.info().totalCpuDuration().get().getNano() + \" nanoSeconds\");\r\n<\/pre>\n<p>static Optional&lt;ProcessHandle&gt; of\u200b(long pid) \u30e1\u30bd\u30c3\u30c9\u3067 Optional&lt;ProcessHandle&gt; \u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u5f15\u6570\u306f\u5f53\u7136\u30d7\u30ed\u30bb\u30b9 ID \u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u3001 empty \u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>\u4efb\u610f\u306e\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\nPID: 2677\r\nCommand: \/usr\/lib\/x86_64-linux-gnu\/deja-dup\/deja-dup-monitor\r\nCPU Duration: 180000000 nanoSeconds\r\n<\/pre>\n<p>\u6b21\u306f\u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre title=\"Java9ProcessAPI.java\" start-line=\"32\">        \/\/ \u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\n        System.out.println(\"\\n\u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\");\r\n        ProcessHandle currentProcessHandle = ProcessHandle.current();\r\n        System.out.println(\"PID: \" + currentProcessHandle.pid());\r\n        System.out.println(\"Command: \" + currentProcessHandle.info().command().orElse(\"none.\"));\r\n        System.out.println(\"CPU Duration: \" + currentProcessHandle.info().totalCpuDuration().get().getNano() + \" nanoSeconds\");\r\n<\/pre>\n<p>static ProcessHandle current\u200b() \u30e1\u30bd\u30c3\u30c9\u3067\u73fe\u5728\u306e\u30d7\u30ed\u30bb\u30b9\u306e ProcessHandle \u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u6b21\u306e\u3088\u3046\u306a\u6ce8\u610f\u66f8\u304d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>ProcessHandle \u3092\u4f7f\u7528\u3057\u3066\u73fe\u5728\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7834\u68c4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u4ee3\u308f\u308a\u306b System.exit \u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>\u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\nPID: 3118\r\nCommand: \/home\/yucchi\/Sun\/jdk-9\/bin\/java\r\nCPU Duration: 940000000 nanoSeconds\r\n<\/pre>\n<p>\u305d\u308c\u3067\u306f\u5b50\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre title=\"Java9ProcessAPI.java\" start-line=\"39\">        \/\/ \u5b50\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\n        Process geditProcess1 = new ProcessBuilder(\"gedit\").start();\r\n        Process geditProcess2 = new ProcessBuilder(\"gedit\").start();\r\n\r\n        System.out.println(\"\\n\u5b50\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\");\r\n        currentProcessHandle.children().forEach(child -&gt; {\r\n            System.out.println(\"ChildPID: \" + child.pid());\r\n            System.out.println(\"ChildCommand: \" + child.info().command().orElse(\"N\/A\"));\r\n            System.out.println(\"ChildCPU Duration: \" + child.info().totalCpuDuration().get().getNano() + \" nanoSeconds\");\r\n        });\r\n<\/pre>\n<p>\u30a8\u30c7\u30a3\u30bf\u3092\u4e8c\u3064\u8d77\u52d5\u3055\u305b\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>Stream&lt;ProcessHandle&gt; children\u200b() \u30e1\u30bd\u30c3\u30c9\u3067\u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u306e\u76f4\u63a5\u306e\u5b50\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u306e\u76f4\u63a5\u306e\u30c1\u30eb\u30c9\u30ec\u30f3\u3067\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u306e ProcessHandles \u306e\u9023\u7d9a\u7684\u306a\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8fd4\u3059\u3068\u8a00\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u3059\u3079\u304d\u306f\u30d7\u30ed\u30bb\u30b9\u304c\u4f5c\u3089\u308c\u3066\u3001\u305d\u3057\u3066\u975e\u540c\u671f\u306b\u7d42\u308f\u308b\u3053\u3068\u3002 \u30d7\u30ed\u30bb\u30b9\u304c\u751f\u304d\u3066\u3044\u308b\u3068\u3044\u3046\u4fdd\u8a3c\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>\u5b50\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\nChildPID: 3152\r\nChildCommand: \/usr\/bin\/gedit\r\nChildCPU Duration: 0 nanoSeconds\r\nChildPID: 3154\r\nChildCommand: \/usr\/bin\/gedit\r\nChildCPU Duration: 0 nanoSeconds\r\n<\/pre>\n<p>\u6b21\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u5148\u307b\u3069\u8d77\u52d5\u3057\u305f\u30a8\u30c7\u30a3\u30bf\u3092\u7d42\u4e86\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre title=\"Java9ProcessAPI.java\" start-line=\"50\">        \/\/  \u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\u3000destroy()\r\n        System.out.println(\"\\n\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\");\r\n        System.out.println(\"geditProcess1 is running : \" + geditProcess1.isAlive());\r\n\r\n        geditProcess1.destroy(); \/\/ \u3044\u3064\u7d42\u4e86\u3059\u308b\u304b\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u90fd\u5408\u306b\u3088\u308b\r\n        \/\/ \u7d42\u4e86\u5f85\u3061\r\n        geditProcess1.waitFor();\r\n\r\n        System.out.println(\"geditProcess1 is running : \" + geditProcess1.isAlive());\r\n\r\n        \/\/  \u30d7\u30ed\u30bb\u30b9\u306e\u5f37\u5236\u7d42\u4e86\u51e6\u7406\u3000destroyForcibly()\r\n        System.out.println(\"geditProcess2 is running : \" + geditProcess2.isAlive());\r\n\r\n\/\/        geditProcess2.destroyForcibly();  \/\/ \u3044\u3064\u7d42\u4e86\u3059\u308b\u304b\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u90fd\u5408\u306b\u3088\u308b\r\n        \/\/  \u7d42\u4e86\u5f85\u3061\r\n        geditProcess2.destroyForcibly().waitFor();\r\n\r\n        System.out.println(\"geditProcess2 is running : \" + geditProcess2.isAlive());\r\n<\/pre>\n<p>\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\u306bpublic abstract void destroy\u200b() \u30e1\u30bd\u30c3\u30c9\u3068 public Process destroyForcibly\u200b() \u30e1\u30bd\u30c3\u30c9\u3092\u305d\u308c\u305e\u308c\u4f7f\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>public abstract void destroy\u200b() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u3053\u306eProcess\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u8868\u3059\u51e6\u7406\u304c\u6b63\u5e38\u306b\u7d42\u4e86\u3057\u305f\u304b\u5426\u304b\u306f\u5b9f\u88c5\u4f9d\u5b58\u3067\u3059\u3002<\/p>\n<p>\u5f37\u5236\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u7834\u68c4\u304c\u30d7\u30ed\u30bb\u30b9\u306e\u5373\u6642\u7d42\u4e86\u3068\u5b9a\u7fa9\u3055\u308c\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001\u6b63\u5e38\u7d42\u4e86\u306f\u30d7\u30ed\u30bb\u30b9\u304c\u6b63\u5e38\u306b\u7d42\u4e86\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002 <\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u751f\u5b58\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u4f55\u3082\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001onExit() \u30e1\u30bd\u30c3\u30c9\u306e CompletableFuture \u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>56\u884c\u76ee\u306e geditProcess1.waitFor(); \u306e\u7d42\u4e86\u5f85\u3061\u304c\u306a\u3044\u3068 public boolean isAlive\u200b() \u30e1\u30bd\u30c3\u30c9\u304c true \u3092\u8fd4\u3059\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>JDK 9 \u304b\u3089\u306f public CompletableFuture&lt;Process&gt; onExit\u200b() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u306e\u304c\u826f\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30b7\u30f3\u30d7\u30eb\u306b public abstract int waitFor\u200b() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5bfe\u5fdc\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002(^_^;<\/p>\n<p>public Process destroyForcibly\u200b() \u30e1\u30bd\u30c3\u30c9\u3082\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3088\u3063\u3066\u8868\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u306f\u5f37\u5236\u7684\u306b\u7d42\u4e86\u3055\u305b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>ProcessBuilder.start\uff08\uff09\u304a\u3088\u3073Runtime.exec\uff08java.lang.String\uff09\u306b\u3088\u3063\u3066\u8fd4\u3055\u308c\u305fProcess\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u3001\u5f37\u5236\u7684\u306b\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001onExit\uff08\uff09\u306eCompletableFuture\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u306f\u3059\u3050\u306b\u7d42\u4e86\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001isAlive() \u30e1\u30bd\u30c3\u30c9\u306f destroyForcibly() \u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u5f8c\u3001\u77ed\u6642\u9593\u306e\u9593 true \u3092\u8fd4\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u3082 waitFor\u200b() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5bfe\u5fdc\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\r\ngeditProcess1 is running : true\r\ngeditProcess1 is running : false\r\ngeditProcess2 is running : true\r\ngeditProcess2 is running : false\r\n<\/pre>\n<p>\u3053\u3053\u307e\u3067\u8a66\u3057\u3066\u307f\u3066 JDK 9 \u3067\u306e ProcessAPI \u306f OS \u306b\u4f9d\u5b58\u3057\u306a\u3044\u30b3\u30fc\u30c9\u3067\u7f8e\u3057\u304f\u51e6\u7406\u304c\u53ef\u80fd\u3068\u306a\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306f public static List&lt;Process&gt; startPipeline(List&lt;ProcessBuilder&gt; builders) \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3092\u305f\u3081\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u5148\u305a\u3001ProcessBuilder \u30af\u30e9\u30b9\u304c\u3069\u3093\u306a\u3082\u306e\u304b\u5fa9\u7fd2\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>J2SE 5.0 (Tiger) \u304b\u3089\u5b58\u5728\u3059\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30af\u30e9\u30b9\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5404 ProcessBuilder \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u5c5e\u6027\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002 <\/p>\n<p>start() \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u3053\u308c\u3089\u306e\u5c5e\u6027\u3092\u6301\u3064\u65b0\u3057\u3044 Process \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089start() \u30e1\u30bd\u30c3\u30c9\u3092\u7e70\u308a\u8fd4\u3057\u547c\u3073\u51fa\u3059\u3068\u3001\u540c\u4e00\u307e\u305f\u306f\u95a2\u9023\u3059\u308b\u5c5e\u6027\u3092\u6301\u3064\u65b0\u3057\u3044\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>public static List&lt;Process&gt; startPipeline(List&lt;ProcessBuilder&gt; builders) \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3001\u5404\u30d7\u30ed\u30bb\u30b9\u306e\u51fa\u529b\u3092\u6b21\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u76f4\u63a5\u9001\u308a\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<p>\u5404\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u305d\u308c\u305e\u308c\u306eProcessBuilder\u306e\u5c5e\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5404\u30d7\u30ed\u30bb\u30b9\u30d3\u30eb\u30c0\u306f\u3001\u6b21\u306e\u30d7\u30ed\u30bb\u30b9\u5c5e\u6027\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><font size=\"2\">\u30b3\u30de\u30f3\u30c9\u3001\u547c\u3073\u51fa\u3055\u308c\u308b\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u30d5\u30a1\u30a4\u30eb\u3092\u793a\u3059\u6587\u5b57\u5217\u306e\u30ea\u30b9\u30c8\u3068\u305d\u306e\u5f15\u6570\uff08\u5b58\u5728\u3059\u308b\u5834\u5408\uff09\u3002 <br \/>\u6709\u52b9\u306a\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30b7\u30b9\u30c6\u30e0\u30fb\u30b3\u30de\u30f3\u30c9\u3092\u8868\u3059\u6587\u5b57\u5217\u30ea\u30b9\u30c8\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002 <br \/>\u305f\u3068\u3048\u3070\u3001\u5404\u6982\u5ff5\u7684\u306a\u5f15\u6570\u306f\u3053\u306e\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3067\u3042\u308b\u306e\u304c\u666e\u901a\u3067\u3059\u304c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u6587\u5b57\u5217\u3092\u30c8\u30fc\u30af\u30f3\u5316\u3059\u308b\u3053\u3068\u3092\u671f\u5f85\u3055\u308c\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u3053\u306e\u3088\u3046\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001Java\u5b9f\u88c5\u3067\u306f\u53b3\u5bc6\u306b2\u3064\u306e\u8981\u7d20\u3092\u542b\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/font>\n<li><font size=\"2\">\u74b0\u5883\u5909\u6570\u306f\u3001\u5909\u6570\u304b\u3089\u5024\u3078\u306e\u30b7\u30b9\u30c6\u30e0\u4f9d\u5b58\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3067\u3059\u3002 <br \/>\u521d\u671f\u5024\u306f\u3001\u73fe\u5728\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u74b0\u5883\u306e\u30b3\u30d4\u30fc\u3067\u3059\u3002<\/font>\n<li><font size=\"2\">\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3002 \u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f\u3001\u73fe\u5728\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u73fe\u5728\u306e\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3059\u3002<br \/>\u901a\u5e38\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3 user.dir \u3067\u6307\u5b9a\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3059\u3002<\/font>\n<li><font size=\"2\">\u6a19\u6e96\u5165\u529b\u306e\u30bd\u30fc\u30b9\u3002 \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306f\u30d1\u30a4\u30d7\u304b\u3089\u306e\u5165\u529b\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002 <br \/>Java \u30b3\u30fc\u30c9\u306f\u3001Process.getOutputStream() \u306b\u3088\u3063\u3066\u8fd4\u3055\u308c\u308b\u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4ecb\u3057\u3066\u3053\u306e\u30d1\u30a4\u30d7\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 <br \/>\u305f\u3060\u3057\u3001\u6a19\u6e96\u5165\u529b\u306f redirectInput \u3092\u4f7f\u7528\u3057\u3066\u5225\u306e\u30bd\u30fc\u30b9\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u307e\u3059\u3002 <br \/>\u3053\u306e\u5834\u5408\u3001Process.getOutputStream() \u306f null \u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8fd4\u3057\u307e\u3059\u3002<\/font>\n<ul>\n<li><font size=\"2\">\u66f8\u304d\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\u306f\u5e38\u306b IOException \u3092\u30b9\u30ed\u30fc\u3057\u307e\u3059\u3002<\/font>\n<li><font size=\"2\">close() \u30e1\u30bd\u30c3\u30c9\u306f\u4f55\u3082\u3057\u306a\u3044\u3002<\/font><\/li>\n<\/ul>\n<li><font size=\"2\">\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u306e\u51fa\u529b\u5148\u3067\u3059\u3002 \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306f\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u3092\u30d1\u30a4\u30d7\u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002<br \/>Java\u30b3\u30fc\u30c9\u306f\u3001Process.getOutputStream() \u30e1\u30bd\u30c3\u30c9\u304a\u3088\u3073Process.getErrorStream() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u8fd4\u3055\u308c\u305f\u5165\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4ecb\u3057\u3066\u3053\u308c\u3089\u306e\u30d1\u30a4\u30d7\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<br \/>\u305f\u3060\u3057\u3001\u6a19\u6e96\u51fa\u529b\u3068\u6a19\u6e96\u30a8\u30e9\u30fc\u306f\u3001redirectOutput \u3068 redirectError \u3092\u4f7f\u7528\u3057\u3066\u4ed6\u306e\u5b9b\u5148\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u307e\u3059\u3002<br \/>\u3053\u306e\u5834\u5408\u3001Process.getInputStream() \u30e1\u30bd\u30c3\u30c9\u307e\u305f\u306f Process.getErrorStream() \u30e1\u30bd\u30c3\u30c9\u306f null \u5165\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8fd4\u3057\u307e\u3059\u3002<\/font>\n<ul>\n<li><font size=\"2\">\u8aad\u307f\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\u306f\u5e38\u306b-1\u3092\u8fd4\u3057\u307e\u3059<\/font>\n<li><font size=\"2\">\u4f7f\u7528\u53ef\u80fd\u306a\u30e1\u30bd\u30c3\u30c9\u306f\u5e38\u306b0\u3092\u8fd4\u3057\u307e\u3059\u3002<\/font>\n<li><font size=\"2\">close() \u30e1\u30bd\u30c3\u30c9\u306f\u4f55\u3082\u3057\u306a\u3044\u3002<\/font><\/li>\n<\/ul>\n<li><font size=\"2\">redirectErrorStream \u30d7\u30ed\u30d1\u30c6\u30a3\u3002\u6700\u521d\u306f\u3001\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f false \u3067\u3059\u3002<br \/>\u3064\u307e\u308a\u3001\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306e\u6a19\u6e96\u51fa\u529b\u3068\u30a8\u30e9\u30fc\u51fa\u529b\u306f\u30012\u3064\u306e\u5225\u3005\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u9001\u4fe1\u3055\u308c\u3001Process.getInputStream() \u30e1\u30bd\u30c3\u30c9\u3068Process.getErrorStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<br \/>\u5024\u304c true \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/font>\n<ul>\n<li><font size=\"2\">\u6a19\u6e96\u30a8\u30e9\u30fc\u306f\u6a19\u6e96\u51fa\u529b\u3068\u30de\u30fc\u30b8\u3055\u308c\u3001\u5e38\u306b\u540c\u3058\u5b9b\u5148\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<br \/>\uff08\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5bfe\u5fdc\u3059\u308b\u51fa\u529b\u3068\u7c21\u5358\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff09<\/font>\n<li><font size=\"2\">\u6a19\u6e96\u30a8\u30e9\u30fc\u3068\u6a19\u6e96\u51fa\u529b\u306e\u5171\u901a\u306e\u5b9b\u5148\u306f\u3001redirectOutput \u3092\u4f7f\u7528\u3057\u3066\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3067\u304d\u307e\u3059\u3002<\/font>\n<li><font size=\"2\">\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306e\u4f5c\u6210\u6642\u306b redirectError() \u30e1\u30bd\u30c3\u30c9\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u7121\u8996\u3055\u308c\u307e\u3059\u3002<\/font>\n<li><font size=\"2\">Process.getErrorStream() \u30e1\u30bd\u30c3\u30c9\u304b\u3089\u8fd4\u3055\u308c\u308b\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u5e38\u306b null \u5165\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u306a\u308a\u307e\u3059<\/font><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u30d7\u30ed\u30bb\u30b9\u30d3\u30eb\u30c0\u306e\u5c5e\u6027\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e start() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u305d\u306e\u5f8c\u306b\u958b\u59cb\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u306b\u5f71\u97ff\u3057\u307e\u3059\u304c\u3001\u4ee5\u524d\u306b\u958b\u59cb\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u3084 Java \u30d7\u30ed\u30bb\u30b9\u81ea\u4f53\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u306fstart() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 start() \u30e1\u30bd\u30c3\u30c9\u304c\u5931\u6557\u3059\u308b\u3088\u3046\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002 <\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u30b3\u30de\u30f3\u30c9\u5c5e\u6027\u3092\u7a7a\u306e\u30ea\u30b9\u30c8\u306b\u8a2d\u5b9a\u3057\u3066\u3082\u3001start() \u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u306a\u3044\u9650\u308a\u4f8b\u5916\u306f\u30b9\u30ed\u30fc\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u3053\u306e\u30af\u30e9\u30b9\u306f\u540c\u671f\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <\/strong><\/p>\n<p><strong>\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u540c\u6642\u306bProcessBuilder\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u5c5e\u6027\u306e1\u3064\u3092\u69cb\u9020\u7684\u306b\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u3001\u5916\u90e8\u3068\u540c\u671f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n<p>ProcessBuilder \u30af\u30e9\u30b9\u306e API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u30b6\u30c3\u30af\u30ea\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f public static List&lt;Process&gt; startPipeline\u200b(List&lt;ProcessBuilder&gt; builders) \u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066 API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3082\u30b6\u30c3\u30af\u30ea\u8aad\u3093\u3067\u307f\u307e\u3059\u3002<\/p>\n<p>\u5404ProcessBuilder\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3057\u3001\u6a19\u6e96\u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u6a19\u6e96\u5165\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u3088\u3063\u3066\u30ea\u30f3\u30af\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\u5404ProcessBuilder\u306e\u5c5e\u6027\u306f\u3001\u5404\u30d7\u30ed\u30bb\u30b9\u306e\u958b\u59cb\u6642\u306b\u6a19\u6e96\u51fa\u529b\u304c\u6b21\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a19\u6e96\u5165\u529b\u306b\u5c0e\u304b\u308c\u308b\u3053\u3068\u3092\u9664\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 <\/p>\n<p>\u6700\u521d\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a19\u6e96\u5165\u529b\u3068\u6700\u5f8c\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a19\u6e96\u51fa\u529b\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u3001\u305d\u308c\u305e\u308c\u306eProcessBuilder\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u3066\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u3002 <\/p>\n<p>\u4ed6\u306e\u3059\u3079\u3066\u306eProcessBuilder\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306fRedirect.PIPE\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e2d\u9593\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u3059\u3079\u3066\u306e\u5165\u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002 <\/p>\n<p>\u6700\u521d\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a19\u6e96\u5165\u529b\u306f null \u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a19\u6e96\u51fa\u529b\u306f null \u5165\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u3059\u3002<\/p>\n<p>\u5404 ProcessBuilder \u306eredirectErrorStream \u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002 true \u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u6a19\u6e96\u51fa\u529b\u3068\u540c\u3058\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u3044\u305a\u308c\u304b\u306e\u30d7\u30ed\u30bb\u30b9\u8d77\u52d5\u3067\u4f8b\u5916\u304c\u30b9\u30ed\u30fc\u3055\u308c\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5f37\u5236\u7684\u306b\u7834\u68c4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>public static List&lt;Process&gt; startPipeline\u200b(List&lt;ProcessBuilder&gt; builders) \u30e1\u30bd\u30c3\u30c9\u306f\u3001start() \u30e1\u30bd\u30c3\u30c9\u3068\u540c\u3058\u3088\u3046\u306b\u5404 ProcessBuilder \u3067\u540c\u3058\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u306f\u3001command() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u4e0e\u3048\u3089\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3068\u5f15\u6570\u3092\u3001directory() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u4e0e\u3048\u3089\u308c\u305f\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u3067 environment() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u4e0e\u3048\u3089\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u74b0\u5883\u3067\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30b3\u30de\u30f3\u30c9\u304c\u6709\u52b9\u306a\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u30b3\u30de\u30f3\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002 <\/p>\n<p>\u6709\u52b9\u306a\u30b3\u30de\u30f3\u30c9\u306f\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u30b3\u30de\u30f3\u30c9\u306f\u7a7a\u3067\u306a\u3044\u6587\u5b57\u5217\u306e\u30ea\u30b9\u30c8\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e00\u90e8\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3059\u308b\u306b\u306f\u3001\u6700\u5c0f\u9650\u306e\u30b7\u30b9\u30c6\u30e0\u4f9d\u5b58\u74b0\u5883\u5909\u6570\u30bb\u30c3\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306f ProcessBuilder \u306e environment() \u30e1\u30bd\u30c3\u30c9\u5185\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u3092\u8d85\u3048\u3066\u8ffd\u52a0\u306e\u74b0\u5883\u5909\u6570\u8a2d\u5b9a\u3092\u7d99\u627f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30de\u30cd\u30fc\u30b8\u30e3\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30de\u30f3\u30c9\u914d\u5217\u306e\u6700\u521d\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5f15\u6570\u3068\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u305f public void checkExec\u200b(String cmd) \u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002 <\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001SecurityException \u304c\u30b9\u30ed\u30fc\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3059\u308b\u3053\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002 \u9593\u9055\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308b\u591a\u304f\u306e\u3082\u306e\u306e\u4e2d\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><font size=\"2\">\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/font>\n<li><font size=\"2\">\u30d7\u30ed\u30b0\u30e9\u30e0\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u3002<\/font>\n<li><font size=\"2\">\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<\/font>\n<li><font size=\"2\">\u30b3\u30de\u30f3\u30c9\u5f15\u6570\u306b\u7121\u52b9\u306a\u6587\u5b57\uff08NUL\u306a\u3069\uff09\u304c\u3042\u308a\u307e\u3059<\/font>\u3002<\/li>\n<\/ul>\n<p>\u305d\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u4f8b\u5916\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002 \u4f8b\u5916\u306e\u6b63\u78ba\u306a\u6027\u8cea\u306f\u30b7\u30b9\u30c6\u30e0\u306b\u4f9d\u5b58\u3057\u307e\u3059\u304c\u3001\u5e38\u306bIOException\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u30d7\u30ed\u30bb\u30b9\u306e\u4f5c\u6210\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001UnsupportedOperationException\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002 <\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u30d3\u30eb\u30c0\u3092\u5f8c\u3067\u5909\u66f4\u3057\u3066\u3082\u3001\u8fd4\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002 <\/p>\n<p>\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306f List&lt;ProcessBuilder&gt; \u3067\u8fd4\u308a\u5024\u306f List&lt;Process&gt; \u3067\u3059\u3002\u5bfe\u5fdc\u3059\u308b ProcessBuilder \u304b\u3089\u958b\u59cb\u3055\u308c\u307e\u3059\u3002 <\/p>\n<p>\u3053\u308c\u3063\u3066\u30b3\u30de\u30f3\u30c9\u3092\u3064\u306a\u3050\u30d1\u30a4\u30d7\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u3088\u306d\u3002 <\/p>\n<p>\u3067\u306f\u3001cat -n \/home\/yucchi\/valhalla\/README | head -n 34 | tail -n 11| cowsay -n -f ghostbusters \u3092\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u3092\u7d44\u3093\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002 <\/p>\n<p>\u3061\u306a\u307f\u306b Ubuntu \u306e\u7aef\u672b\u3067\u5b9f\u884c\u3059\u308b\u3068\u4e0b\u56f3\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2017\/06\/3.png\"><img loading=\"lazy\" decoding=\"async\" title=\"3\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"3\" src=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2017\/06\/3_thumb.png\" width=\"964\" height=\"670\"><\/a> <\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30fc\u30c9\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u7d44\u3093\u3067\u307f\u307e\u3057\u305f\u3002 <\/p>\n<pre title=\"Java9ProcessAPI.java\" start-line=\"69\">        \/\/  public static List&lt;Process&gt; startPipeline(List&lt;ProcessBuilder&gt; builders) throws IOException \u3092\u4f7f\u3063\u3066\u307f\u308b\u3002\r\n        System.out.println(\"\\npublic static List&lt;Process&gt; startPipeline(List&lt;ProcessBuilder&gt; builders) throws IOException \u3092\u4f7f\u3063\u3066\u307f\u308b\u3002\");\r\n        ProcessBuilder catBuilder = new ProcessBuilder()\r\n                .command(\"cat\", \"-n\", \"README\")\r\n                .directory(Paths.get(\"\/home\/yucchi\/valhalla\").toFile());\r\n\r\n        ProcessBuilder headBuilder = new ProcessBuilder()\r\n                .command(\"head\", \"-n\", \"34\");\r\n\r\n        ProcessBuilder tailBuilder = new ProcessBuilder()\r\n                .command(\"tail\", \"-n\", \"11\");\r\n\r\n        ProcessBuilder cowsayBuilder = new ProcessBuilder()\r\n                .command(\"cowsay\", \"-n\", \"-f\", \"ghostbusters\")\r\n                .redirectOutput(Redirect.INHERIT)\r\n                .redirectError(Redirect.INHERIT);\r\n\r\n        List&lt;Process&gt; ghostbustersProcesses = ProcessBuilder\r\n                .startPipeline(List.of(catBuilder, headBuilder, tailBuilder, cowsayBuilder));\r\n\r\n        CompletableFuture&lt;?&gt;[] ghostbustersFutures = ghostbustersProcesses\r\n                .stream()\r\n                .map(Process::onExit)\r\n                .map(processFuture -&gt; processFuture.thenAccept(\r\n                process -&gt; {\r\n\r\n                    \/\/ \u5b50\u5b6b\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u3092\u53d6\u5f97\r\n                    currentProcessHandle.descendants().forEach(descendant -&gt; {\r\n                        System.out.println(\"    DescendantPID: \" + descendant.pid());\r\n                        System.out.println(\"    DescendantCommand: \" + descendant.info().command().orElse(\"none.\"));\r\n                    });\r\n\r\n                    \/\/ \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u30d7\u30ed\u30bb\u30b9ID\u53d6\u5f97\r\n                    System.out.println(\"GhostBustersPID: \" + process.pid());\r\n\r\n                }))\r\n                .toArray(CompletableFuture&lt;?&gt;[]::new);\r\n\r\n        CompletableFuture\r\n                .allOf(ghostbustersFutures)\r\n                .join();\r\n<\/pre>\n<p>\u3053\u308c\u3092 NetBeans IDE Dev \u7248 \u3067\u5b9f\u884c\u3059\u308b\u3068\u4e0b\u56f3\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2017\/06\/0.png\"><img loading=\"lazy\" decoding=\"async\" title=\"0\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"0\" src=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2017\/06\/0_thumb.png\" width=\"1110\" height=\"963\"><\/a> <\/p>\n<p>\u898b\u4e8b\u306b\u518d\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><font color=\"#ff00ff\">\u3048\u3063\uff1f cowsay -n -f ghostbusters \u30b3\u30de\u30f3\u30c9\u3067\u30a8\u30e9\u30fc\u304c\u3067\u308b\u3063\u3066\uff1f<\/font><\/p>\n<p><font color=\"#ff00ff\">\u3053\u308c\u306f\u6a19\u6e96\u3067\u306f\u3044\u3063\u3066\u306a\u3044\u306e\u3067 cowsay \u3067\u30b0\u30b0\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/font><\/p>\n<p>\u3061\u306a\u307f\u306b 89\u884c\u76ee\u304b\u3089\u306e\u51e6\u7406\u306f 91 \u884c\u76ee\u306b\u3042\u308b public CompletableFuture&lt;Process&gt; onExit\u200b() \u30e1\u30bd\u30c3\u30c9\u3067\u8fd4\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u305f\u3081\u306e\u65b0\u3057\u3044 CompletableFuture &lt;Process&gt; \u3092\u5229\u7528\u3057\u3066\u307e\u3059\u3002<\/p>\n<p>public CompletableFuture&lt;Process&gt; onExit\u200b() \u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u30b6\u30c3\u30af\u30ea\u8abf\u3079\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u306e\u305f\u3081\u306eCompletableFuture &lt;Process&gt; \u3092\u8fd4\u3057\u307e\u3059\u3002 <\/p>\n<p>CompletableFuture \u306f\u3001\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u6642\u306b\u540c\u671f\u307e\u305f\u306f\u975e\u540c\u671f\u306b\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u4f9d\u5b58\u3059\u308b\u95a2\u6570\u307e\u305f\u306f\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 <\/p>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001CompletableFuture \u306f\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306b\u95a2\u4fc2\u306a\u304f\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>onExit() \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u3001get() \u30e1\u30bd\u30c3\u30c9\u306f\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3061\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002 <\/p>\n<p>Future \u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u5b8c\u4e86\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u308a\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3064\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 <\/p>\n<p>CompletableFuture\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u3066\u3082\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>ProcessBuilder.start() \u30e1\u30bd\u30c3\u30c9\u304b\u3089\u8fd4\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u3092\u5f85\u3064\u305f\u3081\u306e\u52b9\u7387\u7684\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5b9f\u88c5\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>onExit() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8ffd\u52a0\u306e\u540c\u6642\u5b9f\u884c\u6027\u3068\u30d7\u30ed\u30bb\u30b9\u7d50\u679c\u3078\u306e\u4fbf\u5229\u306a\u30a2\u30af\u30bb\u30b9\u306e\u4e21\u65b9\u3092\u53ef\u80fd\u306b\u3059\u308b waitFor() \u30e1\u30bd\u30c3\u30c9\u306e\u4ee3\u66ff\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002 <\/p>\n<p>\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30bb\u30b9\u5b9f\u884c\u306e\u7d50\u679c\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<p>\u5024\u304c\u4f7f\u7528\u3055\u308c\u308b\u524d\u306b\u4ed6\u306e\u51e6\u7406\u304c\u884c\u308f\u308c\u308b\u5834\u5408\u3001onExit() \u30e1\u30bd\u30c3\u30c9\u306f\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u89e3\u653e\u3057\u3001\u5024\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u306e\u307f\u30d6\u30ed\u30c3\u30af\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u30012\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u6bd4\u8f03\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u3001\u305d\u308c\u3089\u304c\u540c\u4e00\u3067\u3042\u308c\u3070\u30d6\u30fc\u30eb\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<pre>   Process p = new ProcessBuilder(\"cmp\", \"f1\", \"f2\").start();\r\n    Future&lt;Boolean&gt; identical = p.onExit().thenApply(p1 -&gt; p1.exitValue() == 0);\r\n    ...\r\n    if (identical.get()) { ... }\r\n<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001ComputableFuture \u304c\u5b8c\u4e86\u3057\u3066\u4f9d\u5b58\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u524d\u306b\u3001isAlive() \u30e1\u30bd\u30c3\u30c9\u3067\u7d42\u4e86\u3057\u305f\u3053\u3068\u304c\u89b3\u5bdf\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><font color=\"#000000\" size=\"3\"><strong>\u5b9f\u88c5\u8981\u4ef6\uff1a<\/strong><\/font><br \/>\u3053\u306e\u5b9f\u88c5\u306f\u3001\u6b63\u5e38\u306b\u623b\u308b\u307e\u3067\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u3067waitFor\uff08\uff09\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3057\u307e\u3059\u3002 <\/p>\n<p>waitFor() \u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c\u304c\u4e2d\u65ad\u3055\u308c\u305f\u5834\u5408\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u5272\u308a\u8fbc\u307f\u30b9\u30c6\u30fc\u30bf\u30b9\u306f\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>waitFor() \u30e1\u30bd\u30c3\u30c9\u304c\u6b63\u5e38\u306b\u7d42\u4e86\u3059\u308b\u3068\u3001CompletableFuture \u306f\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306b\u95a2\u4fc2\u306a\u304f\u5b8c\u4e86\u3057\u307e\u3059\u3002 <\/p>\n<p>\u591a\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u4e26\u884c\u3057\u3066\u5f85\u6a5f\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u306e\u5b9f\u88c5\u306f\u30b9\u30ec\u30c3\u30c9\u30b9\u30bf\u30c3\u30af\u306e\u305f\u3081\u306e\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5916\u90e8\u5b9f\u88c5\u306f\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u57fa\u306b\u306a\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u59d4\u4efb\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre>    public CompletableFuture&lt;Process&gt; onExit() {\r\n       return delegate.onExit().thenApply(p -&gt; this);\r\n    }\r\n<\/pre>\n<p>\u4ee5\u4e0a API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u30b6\u30c3\u30af\u30ea\u8aad\u3093\u3067\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u306f\u3044\u308d\u3044\u308d\u306a\u51e6\u7406\u3092\u9806\u5e8f\u7acb\u3066\u3066\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306b\u6709\u52b9\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306d\u3002(^_^)<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u305f\u3060\u5358\u306b\u4f7f\u3063\u3066\u307f\u305f\u3060\u3051\u3067\u6709\u52b9\u5229\u7528\u306f\u306a\u306b\u3082\u3057\u3066\u3044\u307e\u305b\u3093\u3002(^_^;<\/p>\n<p>\u3044\u308d\u3044\u308d\u30b4\u30cb\u30e7\u30b4\u30cb\u30e7\u3084\u3063\u3066\u307f\u305f\u3051\u3069 JDK 9 \u3067\u306e ProcessAPI \u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u958b\u767a\u8005\u306b\u512a\u3057\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5229\u7528\u3059\u308b\u958b\u767a\u8005\u306b\u3068\u3063\u3066 JDK 9 \u306e\u30ea\u30ea\u30fc\u30b9\u306f\u5f85\u3061\u9060\u3057\u3044\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u306e\u30b3\u30fc\u30c9\u3092\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<pre title=\"Java9ProcessAPI.java\">package jp.yucchi.java9processapi;\r\n\r\nimport java.io.IOException;\r\nimport java.lang.ProcessBuilder.Redirect;\r\nimport java.nio.file.Paths;\r\nimport java.util.List;\r\nimport java.util.concurrent.CompletableFuture;\r\n\r\n\/**\r\n *\r\n * @author yucchi\r\n *\/\r\npublic class Java9ProcessAPI {\r\n\r\n    public static void main(String[] args) throws IOException, InterruptedException {\r\n\r\n        \/\/ \u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9ID\u3068\u30b3\u30de\u30f3\u30c9\u3092\u53d6\u5f97\r\n        System.out.println(\"\\n\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9ID\u3068\u30b3\u30de\u30f3\u30c9\u3092\u53d6\u5f97\");\r\n        ProcessHandle.allProcesses().forEach(processHandle\r\n                -&gt; System.out.println(\"PID: \" + processHandle.pid()\r\n                        + \" Command: \" + processHandle.info().command().orElse(\"none.\")));\r\n\r\n        \/\/  \u4efb\u610f\u306e\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\n        System.out.println(\"\\n\u4efb\u610f\u306e\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\");\r\n        final int pid = 2677; \/\/ PID: 2677 Command: \/usr\/lib\/x86_64-linux-gnu\/deja-dup\/deja-dup-monitor\r\n\r\n        ProcessHandle processHandle = ProcessHandle.of(pid).get();\r\n        System.out.println(\"PID: \" + processHandle.pid());\r\n        System.out.println(\"Command: \" + processHandle.info().command().orElse(\"none.\"));\r\n        System.out.println(\"CPU Duration: \" + processHandle.info().totalCpuDuration().get().getNano() + \" nanoSeconds\");\r\n\r\n        \/\/ \u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\n        System.out.println(\"\\n\u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\");\r\n        ProcessHandle currentProcessHandle = ProcessHandle.current();\r\n        System.out.println(\"PID: \" + currentProcessHandle.pid());\r\n        System.out.println(\"Command: \" + currentProcessHandle.info().command().orElse(\"none.\"));\r\n        System.out.println(\"CPU Duration: \" + currentProcessHandle.info().totalCpuDuration().get().getNano() + \" nanoSeconds\");\r\n\r\n        \/\/ \u5b50\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\r\n        Process geditProcess1 = new ProcessBuilder(\"gedit\").start();\r\n        Process geditProcess2 = new ProcessBuilder(\"gedit\").start();\r\n\r\n        System.out.println(\"\\n\u5b50\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u306e\u53d6\u5f97\");\r\n        currentProcessHandle.children().forEach(child -&gt; {\r\n            System.out.println(\"ChildPID: \" + child.pid());\r\n            System.out.println(\"ChildCommand: \" + child.info().command().orElse(\"N\/A\"));\r\n            System.out.println(\"ChildCPU Duration: \" + child.info().totalCpuDuration().get().getNano() + \" nanoSeconds\");\r\n        });\r\n\r\n        \/\/  \u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\u3000destroy()\r\n        System.out.println(\"\\n\u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u51e6\u7406\");\r\n        System.out.println(\"geditProcess1 is running : \" + geditProcess1.isAlive());\r\n\r\n        geditProcess1.destroy(); \/\/ \u3044\u3064\u7d42\u4e86\u3059\u308b\u304b\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u90fd\u5408\u306b\u3088\u308b\r\n        \/\/ \u7d42\u4e86\u5f85\u3061\r\n        geditProcess1.waitFor();\r\n\r\n        System.out.println(\"geditProcess1 is running : \" + geditProcess1.isAlive());\r\n\r\n        \/\/  \u30d7\u30ed\u30bb\u30b9\u306e\u5f37\u5236\u7d42\u4e86\u51e6\u7406\u3000destroyForcibly()\r\n        System.out.println(\"geditProcess2 is running : \" + geditProcess2.isAlive());\r\n\r\n\/\/        geditProcess2.destroyForcibly();  \/\/ \u3044\u3064\u7d42\u4e86\u3059\u308b\u304b\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u90fd\u5408\u306b\u3088\u308b\r\n        \/\/  \u7d42\u4e86\u5f85\u3061\r\n        geditProcess2.destroyForcibly().waitFor();\r\n\r\n        System.out.println(\"geditProcess2 is running : \" + geditProcess2.isAlive());\r\n\r\n        \/\/  public static List&lt;Process&gt; startPipeline(List&lt;ProcessBuilder&gt; builders) throws IOException \u3092\u4f7f\u3063\u3066\u307f\u308b\u3002\r\n        System.out.println(\"\\npublic static List&lt;Process&gt; startPipeline(List&lt;ProcessBuilder&gt; builders) throws IOException \u3092\u4f7f\u3063\u3066\u307f\u308b\u3002\");\r\n        ProcessBuilder catBuilder = new ProcessBuilder()\r\n                .command(\"cat\", \"-n\", \"README\")\r\n                .directory(Paths.get(\"\/home\/yucchi\/valhalla\").toFile());\r\n\r\n        ProcessBuilder headBuilder = new ProcessBuilder()\r\n                .command(\"head\", \"-n\", \"34\");\r\n\r\n        ProcessBuilder tailBuilder = new ProcessBuilder()\r\n                .command(\"tail\", \"-n\", \"11\");\r\n\r\n        ProcessBuilder cowsayBuilder = new ProcessBuilder()\r\n                .command(\"cowsay\", \"-n\", \"-f\", \"ghostbusters\")\r\n                .redirectOutput(Redirect.INHERIT)\r\n                .redirectError(Redirect.INHERIT);\r\n\r\n        List&lt;Process&gt; ghostbustersProcesses = ProcessBuilder\r\n                .startPipeline(List.of(catBuilder, headBuilder, tailBuilder, cowsayBuilder));\r\n\r\n        CompletableFuture&lt;?&gt;[] ghostbustersFutures = ghostbustersProcesses\r\n                .stream()\r\n                .map(Process::onExit)\r\n                .map(processFuture -&gt; processFuture.thenAccept(\r\n                process -&gt; {\r\n\r\n                    \/\/ \u5b50\u5b6b\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u3092\u53d6\u5f97\r\n                    currentProcessHandle.descendants().forEach(descendant -&gt; {\r\n                        System.out.println(\"    DescendantPID: \" + descendant.pid());\r\n                        System.out.println(\"    DescendantCommand: \" + descendant.info().command().orElse(\"none.\"));\r\n                    });\r\n\r\n                    \/\/ \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u30d7\u30ed\u30bb\u30b9ID\u53d6\u5f97\r\n                    System.out.println(\"GhostBustersPID: \" + process.pid());\r\n\r\n                }))\r\n                .toArray(CompletableFuture&lt;?&gt;[]::new);\r\n\r\n        CompletableFuture\r\n                .allOf(ghostbustersFutures)\r\n                .join();\r\n\r\n    }\r\n\r\n}\r\n\r\n<\/pre>\n<p>\u304a\u7d42\u3044\uff01<\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/?p=2295\" target=\"_blank\">Java SE 9 \u306e\u4e88\u7fd2<\/a><\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/?p=2298\" target=\"_blank\">Java SE 9 \u306e\u4e88\u7fd2 \u305d\u306e\uff12<\/a><\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/?p=2327\" target=\"_blank\">Java SE 9 \u306e\u4e88\u7fd2 \u305d\u306e\uff13<\/a><\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/?p=2357\" target=\"_blank\">Java SE 9 \u306e\u4e88\u7fd2 \u305d\u306e\uff14<\/a><\/p>\n<div id=\"scid:0767317B-992E-4b12-91E0-4F059A8CECA8:a595d646-5efc-4a88-8c82-2dd54cb5e477\" class=\"wlWriterEditableSmartContent\" style=\"float: none; padding-bottom: 0px; padding-top: 0px; padding-left: 0px; margin: 0px; display: inline; padding-right: 0px\">Hatena \u30bf\u30b0: <a href=\"http:\/\/b.hatena.ne.jp\/t\/Java\" rel=\"tag\">Java<\/a><\/div>\n<div class='wp_social_bookmarking_light'>\n            <div class=\"wsbl_hatena\"><a 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class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>Java SE 9 \u306e\u4e88\u7fd2 \u305d\u306e\uff15\u3067\u3059\u3002 \u4eca\u56de\u306f\u5730\u5473\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u7a4d\u307f\u91cd\u306d\u3066\u3044\u308b ProcessAPI \u3092\u30b4\u30cb\u30e7\u30b4\u30cb\u30e7\u3057\u3066\u307f\u307e\u3057\u305f\u3002 JDK 9 \u3067\u3069\u306e\u3088\u3046\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f\u304b\u8a66\u3057\u3066\u307f\u307e\u3059\u3002 \u307e\u305a\u30d7\u30ed\u30bb\u30b9 ID \u304c\u76f4\u611f\u7684\u306b\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u307e\u3059\u3002 \u4eca\u307e\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u89e3\u308a\u306b\u304f\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3067\u3057\u305f\u3002 String pName = ManagementFactory.getRuntimeMXBean().getName(); int pid = Integer.parseInt(pName.split(&#8220;@&#8221;)[0]); \u305d\u308c\u304c JDK 9 \u3067\u306f ProcessHandle \u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[17],"class_list":["post-2363","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2363"}],"version-history":[{"count":1,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2363\/revisions"}],"predecessor-version":[{"id":2364,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2363\/revisions\/2364"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2363"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}