/**
 * Copyright 2008-2009 DRIVER PROJECT (Bielefeld University)
 * Original author: Marek Imialek <marek.imialek at uni-bielefeld.de>
 *
 * 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 eu.dnetlib.contract.mocks;

import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.apache.log4j.Logger;


/**
 * @author <a href="mailto:marek.imialek at uni-bielefeld.de">Marek Imialek</a>
 *
 */
public class mockISStorage {

	protected static final Logger log = Logger.getLogger(mockISStorage.class);
	
	Map <String,String> isContainer = 
		Collections.synchronizedMap(new HashMap<String,String>());
	
	
	public String get(String stId) {
		return isContainer.get(stId);
	}
	
	public void store(String stId, String stProfile) {	
		isContainer.put(stId, stProfile);
	}
	
	public String remove(String stId) {
		return isContainer.remove(stId);
	}
	
	public int cleanup() {
		log.debug("starting cleanup operations...");
		int removedObjectsCount = 0;
		synchronized(isContainer) {
			Set<String> keySet = isContainer.keySet();
			Iterator<String> keysIt = keySet.iterator();
			while (keysIt.hasNext()) {
				keysIt.remove();
				removedObjectsCount++;
			}
		}
		log.debug("cleanup operations finished");
		return removedObjectsCount;
	}
	
	public int getSize() {
		int containerSize = 0;
		if (isContainer != null)
			containerSize = isContainer.size();
		return containerSize;	
	}
}