001/*
002 *  Copyright 2016 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.core.user.population;
017
018import java.util.Iterator;
019
020import org.ametys.core.ui.Callable;
021import org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint;
022
023/**
024 * This class is in charge to load and initialize the various {@link PopulationConsumer}
025 */
026public class PopulationConsumerExtensionPoint extends AbstractThreadSafeComponentExtensionPoint<PopulationConsumer>
027{
028    /** Avalon Role */
029    public static final String ROLE = PopulationConsumerExtensionPoint.class.getName();
030    
031    /**
032     * Determines if a user population is in use by a {@link PopulationConsumer}
033     * @param id The id of the user population to check
034     * @return true if the user population is used by at least one of the {@link PopulationConsumer}
035     */
036    @Callable
037    public boolean isInUse(String id)
038    {
039        boolean inUse = false;
040        Iterator<String> iterator = getExtensionsIds().iterator();
041
042        while (iterator.hasNext() && !inUse)
043        {
044            PopulationConsumer consumer = getExtension(iterator.next());
045            inUse = consumer.isInUse(id);
046        }
047        
048        return inUse;
049    }
050
051}