EvtCtxDropCommand.java

/*
 * Copyright 2014 Eediom Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.araqne.logdb.cep.query;

import org.araqne.logdb.QueryCommand;
import org.araqne.logdb.cep.EventContextStorage;

public class EvtCtxDropCommand extends QueryCommand {
	private EventContextStorage storage;
	private String topic;
	private boolean dropAll;

	public EvtCtxDropCommand(EventContextStorage storage, String topic, boolean dropAll) {
		this.storage = storage;
		this.topic = topic;
		this.dropAll = dropAll;
	}

	@Override
	public String getName() {
		return "evtctxdrop";
	}

	@Override
	public void onStart() {
		if (dropAll)
			storage.clearContexts();
		else
			storage.clearContexts(topic);
	}

	@Override
	public String toString() {
		if (dropAll)
			return "evtctxdrop all=t";
		else
			return "evtctxdrop topic=" + topic;
	}
}