001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.service.impl;
016    
017    import com.liferay.portal.kernel.cache.CacheRegistryItem;
018    import com.liferay.portal.kernel.cache.CacheRegistryUtil;
019    import com.liferay.portal.kernel.spring.aop.Skip;
020    import com.liferay.portal.kernel.transaction.Propagation;
021    import com.liferay.portal.kernel.transaction.Transactional;
022    import com.liferay.portal.kernel.util.Validator;
023    import com.liferay.portal.model.ClassName;
024    import com.liferay.portal.model.ModelHintsUtil;
025    import com.liferay.portal.model.impl.ClassNameImpl;
026    import com.liferay.portal.service.base.ClassNameLocalServiceBaseImpl;
027    
028    import java.util.List;
029    import java.util.Map;
030    import java.util.concurrent.ConcurrentHashMap;
031    
032    /**
033     * @author Brian Wing Shun Chan
034     */
035    public class ClassNameLocalServiceImpl
036            extends ClassNameLocalServiceBaseImpl implements CacheRegistryItem {
037    
038            @Override
039            public ClassName addClassName(String value) {
040                    ClassName className = classNamePersistence.fetchByValue(value);
041    
042                    if (className == null) {
043                            long classNameId = counterLocalService.increment();
044    
045                            className = classNamePersistence.create(classNameId);
046    
047                            className.setValue(value);
048    
049                            classNamePersistence.update(className);
050                    }
051    
052                    return className;
053            }
054    
055            @Override
056            public void afterPropertiesSet() {
057                    super.afterPropertiesSet();
058    
059                    CacheRegistryUtil.register(this);
060            }
061    
062            @Override
063            @Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
064            public void checkClassNames() {
065                    List<ClassName> classNames = classNamePersistence.findAll();
066    
067                    for (ClassName className : classNames) {
068                            _classNames.put(className.getValue(), className);
069                    }
070    
071                    List<String> models = ModelHintsUtil.getModels();
072    
073                    for (String model : models) {
074                            getClassName(model);
075                    }
076            }
077    
078            @Override
079            @Skip
080            public ClassName fetchClassName(String value) {
081                    if (Validator.isNull(value)) {
082                            return _nullClassName;
083                    }
084    
085                    ClassName className = _classNames.get(value);
086    
087                    if (className == null) {
088                            className = classNamePersistence.fetchByValue(value);
089    
090                            if (className == null) {
091                                    return _nullClassName;
092                            }
093    
094                            _classNames.put(value, className);
095                    }
096    
097                    return className;
098            }
099    
100            @Override
101            @Skip
102            public long fetchClassNameId(Class<?> clazz) {
103                    return fetchClassNameId(clazz.getName());
104            }
105    
106            @Override
107            @Skip
108            public long fetchClassNameId(String value) {
109                    try {
110                            ClassName className = fetchClassName(value);
111    
112                            return className.getClassNameId();
113                    }
114                    catch (Exception e) {
115                            throw new RuntimeException(
116                                    "Unable to get class name from value " + value, e);
117                    }
118            }
119    
120            @Override
121            @Skip
122            public ClassName getClassName(String value) {
123                    if (Validator.isNull(value)) {
124                            return _nullClassName;
125                    }
126    
127                    // Always cache the class name. This table exists to improve
128                    // performance. Create the class name if one does not exist.
129    
130                    ClassName className = _classNames.get(value);
131    
132                    if (className == null) {
133                            className = classNameLocalService.addClassName(value);
134    
135                            _classNames.put(value, className);
136                    }
137    
138                    return className;
139            }
140    
141            @Override
142            @Skip
143            public long getClassNameId(Class<?> clazz) {
144                    return getClassNameId(clazz.getName());
145            }
146    
147            @Override
148            @Skip
149            public long getClassNameId(String value) {
150                    try {
151                            ClassName className = getClassName(value);
152    
153                            return className.getClassNameId();
154                    }
155                    catch (Exception e) {
156                            throw new RuntimeException(
157                                    "Unable to get class name from value " + value, e);
158                    }
159            }
160    
161            @Override
162            public String getRegistryName() {
163                    return ClassNameLocalServiceImpl.class.getName();
164            }
165    
166            @Override
167            public void invalidate() {
168                    _classNames.clear();
169            }
170    
171            private static final Map<String, ClassName> _classNames =
172                    new ConcurrentHashMap<String, ClassName>();
173            private static final ClassName _nullClassName = new ClassNameImpl();
174    
175    }