NoopDocumentHistory.java

//Dstl (c) Crown Copyright 2017
package uk.gov.dstl.baleen.core.history.noop;

import java.util.Collection;
import java.util.Collections;

import uk.gov.dstl.baleen.core.history.DocumentHistory;
import uk.gov.dstl.baleen.core.history.HistoryEvent;

/** An implementation of document history which discards events and returns empty results when queried.
 * 
 *
 */
public class NoopDocumentHistory implements DocumentHistory  {

	@Override
	public void add(HistoryEvent event) {
		// Do nothing
	}

	@Override
	public Collection<HistoryEvent> getAllHistory() {
		return Collections.emptyList();
	}

	@Override
	public Collection<HistoryEvent> getHistory(long recordableId) {
		return Collections.emptyList();
	}

	@Override
	public void close() {
		// Do nothing
	}

}