AbstractContentMapper.java

//Dstl (c) Crown Copyright 2017
package uk.gov.dstl.baleen.contentmappers.helpers;

import org.apache.uima.UimaContext;
import org.apache.uima.resource.ResourceInitializationException;

import uk.gov.dstl.baleen.uima.UimaMonitor;
import uk.gov.dstl.baleen.uima.utils.UimaUtils;

/**
 * A base implementation of the content mapper providing monitor.
 *
 * Implementation need only implement map as per {@link ContentMapper}.
 */
public abstract class AbstractContentMapper implements ContentMapper {
	private UimaMonitor monitor;

	@Override
	public void initialize(UimaContext context) throws ResourceInitializationException {
		ContentMapper.super.initialize(context);
		String pipelineName = UimaUtils.getPipelineName(context);
		this.monitor = createMonitor(pipelineName);
	}

	@Override
	public void destroy() {
		ContentMapper.super.destroy();
	}

	/**
	 * Get the Uima monitor
	 * 
	 * @return monitor
	 */
	protected UimaMonitor getMonitor() {
		return monitor;
	}

	/**
	 * Create a monitor based on pipeline.
	 * 
	 * @param pipelineName
	 * @return monitor (non-null)
	 */
	protected UimaMonitor createMonitor(String pipelineName) {
		return new UimaMonitor(pipelineName, this.getClass());
	}

}