Examples of com.opengamma.engine.view.worker.ViewProcessWorker

Package com.opengamma.engine.view.worker

Examples of com.opengamma.engine.view.worker.ViewProcessWorker

com.opengamma.engine.view.worker.ViewProcessWorker
Abstraction of a "job" that will perform work as part of a {@link ViewProcess}. A job implementation may be a dedicated thread that executes the view, a proxy to a pool of threads that share the view execution, or a proxy to a worker on a remote node.

  private void logListenerError(final ViewResultListener listener, final Exception e) {
    s_logger.error("Error while calling listener " + listener, e);
  }


  private void terminateComputationJob() {
    final ViewProcessWorker worker = getWorker();
    if (worker == null) {
      return;
    }
    if (_viewDefinitionChangeListener != null) {
      getProcessContext().getConfigSource().changeManager().removeChangeListener(_viewDefinitionChangeListener);
    }
    worker.terminate();
    // Let go of the worker and allow it to die on its own. A computation cycle might be taking place, but it will
    // not update the view process with its result because it has been terminated. As far as the view process is
    // concerned, live computation has now stopped, and it may be started again immediately in a new thread.
    // There is no need to slow things down by attempting to join the job.
    setWorker(null);

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    client.attachToViewProcess(env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live(), ExecutionFlags.none().get()));
    final ViewProcessImpl viewProcess = env.getViewProcess(vp, client.getUniqueId());
    assertEquals(ViewProcessState.RUNNING, viewProcess.getState());


    final ViewProcessWorker worker = env.getCurrentWorker(viewProcess);
    resultListener1.assertViewDefinitionCompiled(TIMEOUT);
    resultListener1.assertCycleStarted(TIMEOUT);
    resultListener1.assertCycleFragmentCompleted(TIMEOUT);
    resultListener1.assertCycleCompleted(TIMEOUT);
    assertEquals(0, resultListener1.getQueueSize());


    // Push through a second result
    marketDataProvider.addValue(ViewProcessorTestEnvironment.getPrimitive1(), 3);
    worker.requestCycle();
    resultListener1.assertCycleStarted(TIMEOUT);
    resultListener1.assertCycleFragmentCompleted(TIMEOUT);
    resultListener1.assertCycleCompleted(TIMEOUT);
    assertEquals(0, resultListener1.getQueueSize());


    // Change listener
    final TestViewResultListener resultListener2 = new TestViewResultListener();
    client.setResultListener(resultListener2);


    // Push through a result which should arrive at the new listener
    worker.requestCycle();
    resultListener2.assertCycleStarted(TIMEOUT);
    resultListener2.assertCycleFragmentCompleted(TIMEOUT);
    resultListener2.assertCycleCompleted(TIMEOUT);
    assertEquals(0, resultListener1.getQueueSize());
    assertEquals(0, resultListener2.getQueueSize());

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    final ViewClient client = vp.createViewClient(ViewProcessorTestEnvironment.TEST_USER);


    client.attachToViewProcess(env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live(), ExecutionFlags.none().get()));
    final ViewProcessImpl viewProcess1 = env.getViewProcess(vp, client.getUniqueId());


    final ViewProcessWorker worker1 = env.getCurrentWorker(viewProcess1);
    assertFalse(worker1.isTerminated());


    client.detachFromViewProcess();
    client.attachToViewProcess(env.getViewDefinition().getUniqueId(), ExecutionOptions.infinite(MarketData.live(), ExecutionFlags.none().get()));
    final ViewProcessImpl viewProcess2 = env.getViewProcess(vp, client.getUniqueId());
    final ViewProcessWorker worker2 = env.getCurrentWorker(viewProcess2);


    assertFalse(viewProcess1 == viewProcess2);
    assertTrue(worker1.join(TIMEOUT));


    vp.stop();


    assertTrue(worker2.join(TIMEOUT));
  }

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    final Pair<String, ValueSpecification> resultSpec = Pair.of(calcConfig.getName(), Iterables.getOnlyElement(client.getLatestCompiledViewDefinition().getTerminalValuesRequirements().keySet()));
    client.setMinimumLogMode(ExecutionLogMode.FULL, ImmutableSet.of(resultSpec));


    final ViewProcessImpl viewProcess = env.getViewProcess(vp, client.getUniqueId());
    final ViewProcessWorker worker = env.getCurrentWorker(viewProcess);
    worker.triggerCycle();


    final ViewComputationResultModel result2 = resultListener.getCycleCompleted(TIMEOUT).getFullResult();
    assertEquals(0, resultListener.getQueueSize());


    assertEquals(1, result2.getAllResults().size());
    final ComputedValueResult result2Value = Iterables.getOnlyElement(result2.getAllResults()).getComputedValue();
    assertEquals("result2", result2Value.getValue());


    final AggregatedExecutionLog log2 = result2Value.getAggregatedExecutionLog();
    assertNotNull(log2);
    assertTrue(log2.getLogLevels().contains(LogLevel.ERROR));
    assertTrue(log2.getLogLevels().contains(LogLevel.WARN));
    assertFalse(log2.getLogLevels().contains(LogLevel.INFO));
    assertNotNull(log2.getLogs());
    assertEquals(2, log2.getLogs().size());


    final ExecutionLogWithContext result2LogContext = log2.getLogs().get(0);
    assertNotNull(result2LogContext);
    assertEquals(fn2.getFunctionDefinition().getShortName(), result2LogContext.getFunctionName());
    assertEquals(resultSpec.getSecond().getTargetSpecification(), result2LogContext.getTargetSpecification());
    final ExecutionLog result2Log = result2LogContext.getExecutionLog();
    assertEquals(1, result2Log.getEvents().size());
    final LogEvent result2Event1 = result2Log.getEvents().get(0);
    assertEquals(LogLevel.WARN, result2Event1.getLevel());
    assertEquals("Warning during execution", result2Event1.getMessage());
    assertNull(result2Log.getExceptionClass());
    assertNull(result2Log.getExceptionMessage());
    assertNull(result2Log.getExceptionStackTrace());


    final ExecutionLogWithContext result1LogContext = log2.getLogs().get(1);
    assertNotNull(result1LogContext);
    assertEquals(fn1.getFunctionDefinition().getShortName(), result1LogContext.getFunctionName());
    assertEquals(resultSpec.getSecond().getTargetSpecification(), result1LogContext.getTargetSpecification());
    final ExecutionLog result1Log = result1LogContext.getExecutionLog();
    assertEquals(2, result1Log.getEvents().size());
    final LogEvent result1Event1 = result1Log.getEvents().get(0);
    assertEquals(LogLevel.WARN, result1Event1.getLevel());
    assertEquals("Warning during execution", result1Event1.getMessage());
    final LogEvent result1Event2 = result1Log.getEvents().get(1);
    assertEquals(LogLevel.ERROR, result1Event2.getLevel());
    assertEquals("Error during execution", result1Event2.getMessage());
    assertNull(result1Log.getExceptionClass());
    assertNull(result1Log.getExceptionMessage());
    assertNull(result1Log.getExceptionStackTrace());


    client.setMinimumLogMode(ExecutionLogMode.INDICATORS, ImmutableSet.of(resultSpec));
    worker.triggerCycle();


    final ViewComputationResultModel result3 = resultListener.getCycleCompleted(TIMEOUT).getFullResult();
    assertEquals(0, resultListener.getQueueSize());


    assertEquals(1, result3.getAllResults().size());
    final ComputedValueResult result3Value = Iterables.getOnlyElement(result3.getAllResults()).getComputedValue();
    assertEquals("result2", result3Value.getValue());


    final AggregatedExecutionLog log3 = result3Value.getAggregatedExecutionLog();
    assertNotNull(log3);
    // Delta cycle - should reuse the previous result which *does* include logs.
    assertNotNull(log3.getLogs());


    // Force a full cycle - should *not* reuse any previous result, so back to indicators only
    // TODO: [PLAT-3215] This is bad; future optimizations will not necessarily mean a full cycle happens just because a new view definition got posted
    vd.setUniqueId(UniqueId.of(vd.getUniqueId().getScheme(), vd.getUniqueId().getValue(), "PLAT-3215"));
    worker.updateViewDefinition(vd);
    worker.triggerCycle();


    resultListener.assertViewDefinitionCompiled(TIMEOUT);
    final ViewComputationResultModel result4 = resultListener.getCycleCompleted(TIMEOUT).getFullResult();
    assertEquals(0, resultListener.getQueueSize());

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Related Classes of com.opengamma.engine.view.worker.ViewProcessWorker

com.opengamma.engine.view.client.ViewClientTest

com.opengamma.engine.view.cycle.SingleComputationCycleTest

com.opengamma.engine.view.impl.ViewProcessImpl

com.opengamma.engine.view.impl.ViewProcessorTest

com.opengamma.engine.view.impl.ViewProcessTest

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