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/**
 * 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 net.leadware.persistence.tools.api.utils;

import java.io.Serializable;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

/**
 * Classe representant un conteneur de proprietes 
 * @author Jean-Jacques ETUNE NGI (Leadware Enterprise Architect)
 * @since 31 janv. 2018 - 14:24:25
 */
public class PropertyContainer implements Serializable {

	/**
	 * ID Genere par Eclipse
	 */
	private static final long serialVersionUID = 1L;
	
	/**
	 * Ensemble des proprietes
	 */
	private Set properties = new HashSet();
	
	/**
	 * Obtention de l'instance
	 * @return	Instance de travail
	 */
	public static PropertyContainer newInstance() {
		
		// On retourne l'instance
		return new PropertyContainer();
	}
	
	/**
	 * Methode d'ajour d'une propriete
	 * @param property	Propriete a ajouter
	 * @return	Conteneur de proprietes
	 */
	public PropertyContainer add(String property) {
		
		// Si la propriete n'est pas nulle
		if(property != null && property.trim().length() > 0) properties.add(property);
		
		// On retourne le conteneur
		return this;
	}
	
	/**
	 * Methode d'obtention de l'Ensemble des proprietes
	 * @return Ensemble des proprietes
	 */
	public Set getProperties() {
		return Collections.unmodifiableSet(properties);
	}
	
	/**
	 * Methode d'obtention de la taille du conteneur
	 * @return	Taille du conteneur
	 */
	public int size() {
		
		// On retourne la taille de la collection
		return this.properties.size();
	}
	
	/**
	 * Methode de vidage du conteneur
	 */
	public void clear() {
		
		// Si la collection est non nulle
		if(properties != null) properties.clear();
	}
}