001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.kernel.backgroundtask;
016    
017    import com.liferay.portal.kernel.json.JSONFactoryUtil;
018    
019    import java.io.Serializable;
020    
021    import java.util.Collections;
022    import java.util.Map;
023    import java.util.concurrent.ConcurrentHashMap;
024    
025    /**
026     * @author Michael C. Han
027     */
028    public class BackgroundTaskStatus implements Serializable {
029    
030            public void clearAttributes() {
031                    _attributes.clear();
032            }
033    
034            public Serializable getAttribute(String key) {
035                    return _attributes.get(key);
036            }
037    
038            public Map<String, Serializable> getAttributes() {
039                    return Collections.unmodifiableMap(_attributes);
040            }
041    
042            public String getAttributesJSON() {
043                    return JSONFactoryUtil.serialize(_attributes);
044            }
045    
046            public void setAttribute(String key, Serializable value) {
047                    _attributes.put(key, value);
048            }
049    
050            private Map<String, Serializable> _attributes =
051                    new ConcurrentHashMap<String, Serializable>();
052    
053    }