How to use

update

method

in

org.springframework.batch.item.file.ResourceAwareItemWriterItemStream

@Override
public void update(ExecutionContext executionContext) throws ItemStreamException {
  super.update(executionContext);
  if (saveState) {
    if (opened) {
      delegate.update(executionContext);
    }
    executionContext.putInt(getExecutionContextKey(CURRENT_RESOURCE_ITEM_COUNT), currentResourceItemCount);
    executionContext.putInt(getExecutionContextKey(RESOURCE_INDEX_KEY), resourceIndex);
  }
}

@Override
public void update(ExecutionContext executionContext) throws ItemStreamException {
  delegate.update(executionContext);
}

@Override
public void update(ExecutionContext executionContext) {
  if (isSaveState()) {
    if (opened) {
      delegate.update(executionContext);
    }
    try {
      if (resource != null) {
        executionContext.putString(getExecutionContextKey(RESOURCE_KEY), resource.getFile().getAbsolutePath());
        LOGGER.trace("We store the resource={} into the execution context", resource.getFile().getAbsolutePath());
      }
    } catch (IOException e) {
      throw new ItemStreamException("Cannot get resource's absolute path", e);
    }
  }
}

delegate.update(executionContext);
opened = false;

@Override
public void update(ExecutionContext executionContext) throws ItemStreamException {
  super.update(executionContext);
  if (saveState) {
    if (opened) {
      delegate.update(executionContext);
    }
    executionContext.putInt(getExecutionContextKey(CURRENT_RESOURCE_ITEM_COUNT), currentResourceItemCount);
    executionContext.putInt(getExecutionContextKey(RESOURCE_INDEX_KEY), resourceIndex);
  }
}