projects / deliverable / tracecompass.git / blame
| Commit | Line | Data |
|---|---|---|
| 217d5c81 MAL |
1 | /******************************************************************************* |
| 2 | * Copyright (c) 2016 Ericsson | |
| 3 | * | |
| 4 | * All rights reserved. This program and the accompanying materials are | |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which | |
| 6 | * accompanies this distribution, and is available at | |
| 7 | * http://www.eclipse.org/legal/epl-v10.html | |
| 8 | *******************************************************************************/ | |
| 9 | package org.eclipse.tracecompass.tmf.ui.tests.shared; | |
| 10 | ||
| 11 | import org.eclipse.core.runtime.jobs.Job; | |
| 12 | import org.eclipse.swt.widgets.Display; | |
| 13 | ||
| 14 | /** | |
| 15 | * A utility class for Job related things. | |
| 16 | */ | |
| 17 | public final class JobUtils { | |
| 18 | ||
| 19 | private JobUtils() { | |
| 20 | } | |
| 21 | ||
| 22 | private static final long SLEEP_INTERVAL_MS = 100; | |
| 23 | private static final long UI_THREAD_SLEEP_INTERVAL_MS = 10; | |
| 24 | private static final long DEFAULT_MAX_JOBS_WAIT_TIME_MS = 300000; | |
| 25 | ||
| 26 | /** | |
| 27 | * Waits for all Eclipse jobs to finish. Times out after | |
| 28 | * RuntimeUtils#MAX_JOBS_WAIT_TIME by default. | |
| 29 | * | |
| 30 | * @throws RuntimeException | |
| 31 | * once the waiting time passes the default maximum value | |
| 32 | */ | |
| 33 | public static void waitForJobs() { | |
| 34 | waitForJobs(DEFAULT_MAX_JOBS_WAIT_TIME_MS); | |
| 35 | } | |
| 36 | ||
| 37 | /** | |
| 38 | * Waits for all Eclipse jobs to finish | |
| 39 | * | |
| 40 | * @param maxWait | |
| 41 | * the maximum time to wait, in milliseconds. Once the waiting | |
| 42 | * time passes the maximum value, a TimeoutException is thrown | |
| 43 | * @throws RuntimeException | |
| 44 | * once the waiting time passes the maximum value | |
| 45 | */ | |
| 46 | public static void waitForJobs(long maxWait) { | |
| 47 | long waitStart = System.currentTimeMillis(); | |
| 48 | Display display = Display.getCurrent(); | |
| 49 | while (!Job.getJobManager().isIdle()) { | |
| 50 | if (System.currentTimeMillis() - waitStart > maxWait) { | |
| 51 | printJobs(); | |
| 52 | throw new RuntimeException("Timed out waiting for jobs to finish."); //$NON-NLS-1$ | |
| 53 | } | |
| 54 | ||
| 55 | if (display != null) { | |
| 56 | if (!display.readAndDispatch()) { | |
| 57 | // We do not use Display.sleep because it might never wake up | |
| 58 | // if there is no user interaction | |
| 59 | try { | |
| 60 | Thread.sleep(UI_THREAD_SLEEP_INTERVAL_MS); | |
| 61 | } catch (final InterruptedException e) { | |
| 62 | // Ignored | |
| 63 | } | |
| 64 | } | |
| 65 | display.update(); | |
| 66 | } else { | |
| 67 | try { | |
| 68 | Thread.sleep(SLEEP_INTERVAL_MS); | |
| 69 | } catch (final InterruptedException e) { | |
| 70 | // Ignored | |
| 71 | } | |
| 72 | } | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | private static void printJobs() { | |
| 77 | Job[] jobs = Job.getJobManager().find(null); | |
| 78 | for (Job job : jobs) { | |
| 79 | System.err.println(job.toString() + " state: " + jobStateToString(job.getState())); //$NON-NLS-1$ | |
| 80 | Thread thread = job.getThread(); | |
| 81 | if (thread != null) { | |
| 82 | for (StackTraceElement stractTraceElement : thread.getStackTrace()) { | |
| 83 | System.err.println(" " + stractTraceElement); //$NON-NLS-1$ | |
| 84 | } | |
| 85 | } | |
| 86 | System.err.println(); | |
| 87 | } | |
| 88 | } | |
| 89 | ||
| 90 | private static String jobStateToString(int jobState) { | |
| 91 | switch (jobState) { | |
| 92 | case Job.RUNNING: | |
| 93 | return "RUNNING"; //$NON-NLS-1$ | |
| 94 | case Job.WAITING: | |
| 95 | return "WAITING"; //$NON-NLS-1$ | |
| 96 | case Job.SLEEPING: | |
| 97 | return "SLEEPING"; //$NON-NLS-1$ | |
| 98 | case Job.NONE: | |
| 99 | return "NONE"; //$NON-NLS-1$ | |
| 100 | default: | |
| 101 | return "UNKNOWN"; //$NON-NLS-1$ | |
| 102 | } | |
| 103 | } | |
| 104 | } |