FeatureStructureListHolder.java

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.stanbol.commons.caslight;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * This class hold multiple list of Feature Structures
 * @author Mihaly Heder
 */
public class FeatureStructureListHolder {
    
    private Map<String,List<FeatureStructure>> holder = new HashMap<String,List<FeatureStructure>>();
    
    /**
     * Adds a new FeatureStructure List to this holder.
     * @param source Name of the list
     * @param list The list
     */
    public void addFeatureStructureList(String source, List<FeatureStructure> list) {
        this.holder.put(source, list);
    }
    
    /**
     * Returns a FeatureStructure list by its name.
     * @param source the name of the list
     * @return 
     */
    public List<FeatureStructure> getFeatureStructureList(String source) {
        return this.holder.get(source);
    }
    
    /**
     * Returns all the names of the lists in this holder.
     * @return 
     */
    public Set<String> getListNames() {
        return this.holder.keySet();
    }
    
}