Examples with InputChannelStateHandle org.apache.flink.runtime.state.InputChannelStateHandle used on opensource projects

Example 11 with InputChannelStateHandle

use of org.apache.flink.runtime.state.InputChannelStateHandle in project flink by apache.

the class CheckpointCoordinatorFailureTest method testFailingCompletedCheckpointStoreAdd.

/**
 * Tests that a failure while storing a completed checkpoint in the completed checkpoint store
 * will properly fail the originating pending checkpoint and clean upt the completed checkpoint.
 */
@Test
public void testFailingCompletedCheckpointStoreAdd() throws Exception {
    JobVertexID jobVertexId = new JobVertexID();
    final ManuallyTriggeredScheduledExecutor manuallyTriggeredScheduledExecutor = new ManuallyTriggeredScheduledExecutor();
    ExecutionGraph testGraph = new CheckpointCoordinatorTestingUtils.CheckpointExecutionGraphBuilder().addJobVertex(jobVertexId).build();
    ExecutionVertex vertex = testGraph.getJobVertex(jobVertexId).getTaskVertices()[0];
    // set up the coordinator and validate the initial state
    CheckpointCoordinator coord = new CheckpointCoordinatorBuilder().setExecutionGraph(testGraph).setCompletedCheckpointStore(new FailingCompletedCheckpointStore(new Exception("The failing completed checkpoint store failed again... :-("))).setTimer(manuallyTriggeredScheduledExecutor).build();
    coord.triggerCheckpoint(false);
    manuallyTriggeredScheduledExecutor.triggerAll();
    assertEquals(1, coord.getNumberOfPendingCheckpoints());
    PendingCheckpoint pendingCheckpoint = coord.getPendingCheckpoints().values().iterator().next();
    assertFalse(pendingCheckpoint.isDisposed());
    final long checkpointId = coord.getPendingCheckpoints().keySet().iterator().next();
    KeyedStateHandle managedKeyedHandle = mock(KeyedStateHandle.class);
    KeyedStateHandle rawKeyedHandle = mock(KeyedStateHandle.class);
    OperatorStateHandle managedOpHandle = mock(OperatorStreamStateHandle.class);
    OperatorStateHandle rawOpHandle = mock(OperatorStreamStateHandle.class);
    InputChannelStateHandle inputChannelStateHandle = new InputChannelStateHandle(new InputChannelInfo(0, 1), mock(StreamStateHandle.class), Collections.singletonList(1L));
    ResultSubpartitionStateHandle resultSubpartitionStateHandle = new ResultSubpartitionStateHandle(new ResultSubpartitionInfo(0, 1), mock(StreamStateHandle.class), Collections.singletonList(1L));
    final OperatorSubtaskState operatorSubtaskState = spy(OperatorSubtaskState.builder().setManagedOperatorState(managedOpHandle).setRawOperatorState(rawOpHandle).setManagedKeyedState(managedKeyedHandle).setRawKeyedState(rawKeyedHandle).setInputChannelState(StateObjectCollection.singleton(inputChannelStateHandle)).setResultSubpartitionState(StateObjectCollection.singleton(resultSubpartitionStateHandle)).build());
    TaskStateSnapshot subtaskState = spy(new TaskStateSnapshot());
    subtaskState.putSubtaskStateByOperatorID(new OperatorID(), operatorSubtaskState);
    when(subtaskState.getSubtaskStateByOperatorID(OperatorID.fromJobVertexID(vertex.getJobvertexId()))).thenReturn(operatorSubtaskState);
    AcknowledgeCheckpoint acknowledgeMessage = new AcknowledgeCheckpoint(testGraph.getJobID(), vertex.getCurrentExecutionAttempt().getAttemptId(), checkpointId, new CheckpointMetrics(), subtaskState);
    try {
        coord.receiveAcknowledgeMessage(acknowledgeMessage, "Unknown location");
        fail("Expected a checkpoint exception because the completed checkpoint store could not " + "store the completed checkpoint.");
    } catch (CheckpointException e) {
    // ignore because we expected this exception
    }
    // make sure that the pending checkpoint has been discarded after we could not complete it
    assertTrue(pendingCheckpoint.isDisposed());
    // make sure that the subtask state has been discarded after we could not complete it.
    verify(operatorSubtaskState).discardState();
    verify(operatorSubtaskState.getManagedOperatorState().iterator().next()).discardState();
    verify(operatorSubtaskState.getRawOperatorState().iterator().next()).discardState();
    verify(operatorSubtaskState.getManagedKeyedState().iterator().next()).discardState();
    verify(operatorSubtaskState.getRawKeyedState().iterator().next()).discardState();
    verify(operatorSubtaskState.getInputChannelState().iterator().next().getDelegate()).discardState();
    verify(operatorSubtaskState.getResultSubpartitionState().iterator().next().getDelegate()).discardState();
}