NodeRolesMap.java

/*******************************************************************************
 * ===========================================================
 * Ankush : Big Data Cluster Management Solution
 * ===========================================================
 * 
 * (C) Copyright 2014, by Impetus Technologies
 * 
 * This is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License (LGPL v3) as
 * published by the Free Software Foundation;
 * 
 * This software is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this software; if not, write to the Free Software Foundation, 
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 ******************************************************************************/
/**
 * 
 */
package com.impetus.ankush2.hadoop.deployer.configurator;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;

/**
 * @author Akhil
 * 
 */
public class NodeRolesMap extends HashMap<String, Set<String>> {
	public void put(String host, String role) {
		if (this.containsKey(host)) {
			this.get(host).add(role);
		} else {
			Set<String> rolesList = new HashSet<String>();
			rolesList.add(role);
			this.put(host, rolesList);
		}
	}
}