IOUtils.closeQuietly(operatorStateBackend); operatorStateBackend.dispose();
@Test public void testStateBackendLoadingAndClosing() throws Exception { Configuration taskManagerConfig = new Configuration(); taskManagerConfig.setString(CheckpointingOptions.STATE_BACKEND, TestMemoryStateBackendFactory.class.getName()); StreamConfig cfg = new StreamConfig(new Configuration()); cfg.setStateKeySerializer(mock(TypeSerializer.class)); cfg.setOperatorID(new OperatorID(4711L, 42L)); TestStreamSource<Long, MockSourceFunction> streamSource = new TestStreamSource<>(new MockSourceFunction()); cfg.setStreamOperator(streamSource); cfg.setTimeCharacteristic(TimeCharacteristic.ProcessingTime); Task task = createTask(StateBackendTestSource.class, cfg, taskManagerConfig); StateBackendTestSource.fail = false; task.startTaskThread(); // wait for clean termination task.getExecutingThread().join(); // ensure that the state backends and stream iterables are closed ... verify(TestStreamSource.operatorStateBackend).close(); verify(TestStreamSource.keyedStateBackend).close(); verify(TestStreamSource.rawOperatorStateInputs).close(); verify(TestStreamSource.rawKeyedStateInputs).close(); // ... and disposed verify(TestStreamSource.operatorStateBackend).dispose(); verify(TestStreamSource.keyedStateBackend).dispose(); assertEquals(ExecutionState.FINISHED, task.getExecutionState()); }
@Test public void testStateBackendClosingOnFailure() throws Exception { Configuration taskManagerConfig = new Configuration(); taskManagerConfig.setString(CheckpointingOptions.STATE_BACKEND, TestMemoryStateBackendFactory.class.getName()); StreamConfig cfg = new StreamConfig(new Configuration()); cfg.setStateKeySerializer(mock(TypeSerializer.class)); cfg.setOperatorID(new OperatorID(4711L, 42L)); TestStreamSource<Long, MockSourceFunction> streamSource = new TestStreamSource<>(new MockSourceFunction()); cfg.setStreamOperator(streamSource); cfg.setTimeCharacteristic(TimeCharacteristic.ProcessingTime); Task task = createTask(StateBackendTestSource.class, cfg, taskManagerConfig); StateBackendTestSource.fail = true; task.startTaskThread(); // wait for clean termination task.getExecutingThread().join(); // ensure that the state backends and stream iterables are closed ... verify(TestStreamSource.operatorStateBackend).close(); verify(TestStreamSource.keyedStateBackend).close(); verify(TestStreamSource.rawOperatorStateInputs).close(); verify(TestStreamSource.rawKeyedStateInputs).close(); // ... and disposed verify(TestStreamSource.operatorStateBackend).dispose(); verify(TestStreamSource.keyedStateBackend).dispose(); assertEquals(ExecutionState.FAILED, task.getExecutionState()); }
operatorStateBackend.dispose();
verify(operatorStateBackend).dispose(); verify(keyedStateBackend).dispose();
/** * This method is called at the very end of the operator's life, both in the case of a successful * completion of the operation, and in the case of a failure and canceling. * * <p>This method is expected to make a thorough effort to release all resources * that the operator has acquired. */ @Override public void dispose() throws Exception { if (operatorStateBackend != null) { operatorStateBackend.dispose(); } if (keyedStateBackend != null) { keyedStateBackend.dispose(); } }
IOUtils.closeQuietly(operatorStateBackend); operatorStateBackend.dispose();
IOUtils.closeQuietly(operatorStateBackend); operatorStateBackend.dispose();
operatorStateBackend.dispose();
operatorStateBackend.dispose();