How to use

setMetaDataMap

method

in

org.springframework.batch.core.listener.StepListenerFactoryBean

@Test(expected = IllegalArgumentException.class)
public void testWrongSignatureNamedMethod() {
  AbstractTestComponent delegate = new AbstractTestComponent() {
    @SuppressWarnings("unused")
    public void aMethod(Integer item) {
      executed = true;
    }
  };
  factoryBean.setDelegate(delegate);
  Map<String, String> metaDataMap = new HashMap<>();
  metaDataMap.put(AFTER_WRITE.getPropertyName(), "aMethod");
  factoryBean.setMetaDataMap(metaDataMap);
  factoryBean.getObject();
}

@Test
public void testAnnotatingInterfaceResultsInOneCall() throws Exception {
  MultipleAfterStep delegate = new MultipleAfterStep();
  factoryBean.setDelegate(delegate);
  Map<String, String> metaDataMap = new HashMap<>();
  metaDataMap.put(AFTER_STEP.getPropertyName(), "afterStep");
  factoryBean.setMetaDataMap(metaDataMap);
  StepListener listener = (StepListener) factoryBean.getObject();
  ((StepExecutionListener) listener).afterStep(stepExecution);
  assertEquals(1, delegate.callcount);
}

@Test
public void testEmptySignatureNamedMethod() {
  AbstractTestComponent delegate = new AbstractTestComponent() {
    @SuppressWarnings("unused")
    public void aMethod() {
      executed = true;
    }
  };
  factoryBean.setDelegate(delegate);
  Map<String, String> metaDataMap = new HashMap<>();
  metaDataMap.put(AFTER_WRITE.getPropertyName(), "aMethod");
  factoryBean.setMetaDataMap(metaDataMap);
  @SuppressWarnings("unchecked")
  ItemWriteListener<String> listener = (ItemWriteListener<String>) factoryBean.getObject();
  listener.afterWrite(Arrays.asList("foo", "bar"));
  assertTrue(delegate.isExecuted());
}

@Test
public void testRightSignatureNamedMethod() {
  AbstractTestComponent delegate = new AbstractTestComponent() {
    @SuppressWarnings("unused")
    public void aMethod(List<String> items) {
      executed = true;
      assertEquals("foo", items.get(0));
      assertEquals("bar", items.get(1));
    }
  };
  factoryBean.setDelegate(delegate);
  Map<String, String> metaDataMap = new HashMap<>();
  metaDataMap.put(AFTER_WRITE.getPropertyName(), "aMethod");
  factoryBean.setMetaDataMap(metaDataMap);
  @SuppressWarnings("unchecked")
  ItemWriteListener<String> listener = (ItemWriteListener<String>) factoryBean.getObject();
  listener.afterWrite(Arrays.asList("foo", "bar"));
  assertTrue(delegate.isExecuted());
}

@Test
public void testAllThreeTypes() throws Exception {
  // Test to make sure if someone has annotated a method, implemented the
  // interface, and given a string
  // method name, that all three will be called
  ThreeStepExecutionListener delegate = new ThreeStepExecutionListener();
  factoryBean.setDelegate(delegate);
  Map<String, String> metaDataMap = new HashMap<>();
  metaDataMap.put(AFTER_STEP.getPropertyName(), "destroy");
  factoryBean.setMetaDataMap(metaDataMap);
  StepListener listener = (StepListener) factoryBean.getObject();
  ((StepExecutionListener) listener).afterStep(stepExecution);
  assertEquals(3, delegate.callcount);
}