org.eclipse.tracecompass.lttng2.kernel.core.tests/src/org/eclipse/tracecompass/lttng2/kernel/core/tests/analysis/kernel/statesystem/StateSystemInMemoryTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013, 2014 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  * Contributors:
  10  *   Alexandre Montplaisir - Initial API and implementation
  11  *   Bernd Hufmann - Use state system analysis module instead of factory
  12  ******************************************************************************/
  13
  14 package org.eclipse.tracecompass.lttng2.kernel.core.tests.analysis.kernel.statesystem;
  15
  16 import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull;
  17 import static org.junit.Assert.assertTrue;
  18 import static org.junit.Assert.fail;
  19
  20 import org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis.KernelStateProvider;
  21 import org.eclipse.tracecompass.internal.lttng2.kernel.core.trace.layout.LttngEventLayout;
  22 import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException;
  23 import org.eclipse.tracecompass.tmf.core.statesystem.ITmfStateProvider;
  24 import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule;
  25 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  26 import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace;
  27 import org.junit.AfterClass;
  28 import org.junit.BeforeClass;
  29
  30 /**
  31  * State system tests using the in-memory back-end.
  32  *
  33  * @author Alexandre Montplaisir
  34  */
  35 public class StateSystemInMemoryTest extends StateSystemTest {
  36
  37     private static TestLttngKernelAnalysisModule module;
  38
  39     /**
  40      * Test class setup
  41      */
  42     @BeforeClass
  43     public static void initialize() {
  44         if (!testTrace.exists()) {
  45             traceIsPresent = false;
  46             return;
  47         }
  48         traceIsPresent = true;
  49
  50         module = new TestLttngKernelAnalysisModule();
  51         try {
  52             module.setTrace(testTrace.getTrace());
  53         } catch (TmfAnalysisException e) {
  54             fail();
  55         }
  56         module.schedule();
  57         assertTrue(module.waitForCompletion());
  58
  59         fixture = module.getStateSystem();
  60     }
  61
  62     /**
  63      * Class cleanup
  64      */
  65     @AfterClass
  66     public static void cleanup() {
  67         if (module != null) {
  68             module.dispose();
  69         }
  70         if (fixture != null) {
  71             fixture.dispose();
  72         }
  73         module = null;
  74         fixture = null;
  75     }
  76
  77     private static class TestLttngKernelAnalysisModule extends TmfStateSystemAnalysisModule {
  78
  79         /**
  80          * Constructor adding the views to the analysis
  81          */
  82         public TestLttngKernelAnalysisModule() {
  83             super();
  84         }
  85
  86         @Override
  87         public void setTrace(ITmfTrace trace) throws TmfAnalysisException {
  88             if (!(trace instanceof CtfTmfTrace)) {
  89                 throw new IllegalStateException("TestLttngKernelAnalysisModule: trace should be of type CtfTmfTrace"); //$NON-NLS-1$
  90             }
  91             super.setTrace(trace);
  92         }
  93
  94         @Override
  95         protected ITmfStateProvider createStateProvider() {
  96             return new KernelStateProvider(checkNotNull(getTrace()), LttngEventLayout.getInstance());
  97         }
  98
  99         @Override
 100         protected StateSystemBackendType getBackendType() {
 101             return StateSystemBackendType.INMEM;
 102         }
 103     }
 104 }