Mercurial > hg > Database > Alice
view src/main/java/alice/topology/manager/keeparive/RemoveTask.java @ 599:3284428f525e dispose
add MetaCodeSegment & MetaDSM
author | Nozomi Teruya <e125769@ie.u-ryukyu.ac.jp> |
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date | Mon, 15 Feb 2016 01:16:35 +0900 |
parents | 28627bb3eeda |
children |
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package alice.topology.manager.keeparive; import alice.codesegment.CodeSegment; import alice.codesegment.MetaCodeSegment; import alice.datasegment.CommandType; import alice.datasegment.Receiver; public class RemoveTask extends MetaCodeSegment { private Receiver info1 = ids.create(CommandType.TAKE); // list private Receiver info2 = ids.create(CommandType.TAKE); // remove task public RemoveTask(){ info1.setKey("_SCHEDULER"); info2.setKey("_REMOVETASK"); } @Override public void run() { ListManager list = info1.asClass(ListManager.class); // explicit cast TaskInfo task = info2.asClass(TaskInfo.class); TaskExecuter exec = TaskExecuter.getInstance(); if (!exec.compareAndSkip(task)){ // case: remove task is still in the waiting queue. boolean removeFlag = list.deleteTask(task); if (!removeFlag){ ods.put("_REMOVETASK", task); } } ods.update("_SCHEDULER", list); } }