Java tutorial
//package com.java2s; /** * Copyright (c) 2002-2015 "Neo Technology," * Network Engine for Objects in Lund AB [http://neotechnology.com] * * This file is part of Neo4j. * * Neo4j is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.EnumSet; public class Main { public static void awaitThreadState(Thread thread, long maxWaitMillis, Thread.State first, Thread.State... rest) { EnumSet<Thread.State> set = EnumSet.of(first, rest); long deadline = maxWaitMillis + System.currentTimeMillis(); Thread.State currentState; do { currentState = thread.getState(); if (System.currentTimeMillis() > deadline) { throw new AssertionError("Timed out waiting for thread state of <" + set + ">: " + thread + " (state = " + thread.getState() + ")"); } } while (!set.contains(currentState)); } }