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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.tools.reflection;
import java.util.Map;
import org.hibernate.envers.entities.PropertyData;
import org.hibernate.envers.exception.AuditException;
import org.hibernate.envers.tools.Pair;
import org.hibernate.internal.util.collections.ConcurrentReferenceHashMap;
import org.hibernate.property.Getter;
import org.hibernate.property.PropertyAccessor;
import org.hibernate.property.PropertyAccessorFactory;
import org.hibernate.property.Setter;
import static org.hibernate.envers.tools.Pair.make;
/**
* @author Adam Warski (adam at warski dot org)
*/
public class ReflectionTools {
private static final Map, Getter> getterCache =
new ConcurrentReferenceHashMap, Getter>(10,
ConcurrentReferenceHashMap.ReferenceType.SOFT,
ConcurrentReferenceHashMap.ReferenceType.SOFT);
private static final Map, Setter> setterCache =
new ConcurrentReferenceHashMap, Setter>(10,
ConcurrentReferenceHashMap.ReferenceType.SOFT,
ConcurrentReferenceHashMap.ReferenceType.SOFT);
public static Class loadClass(String name) {
try {
return Thread.currentThread().getContextClassLoader().loadClass(name);
} catch (ClassNotFoundException e) {
throw new AuditException(e);
}
}
private static PropertyAccessor getAccessor(String accessorType) {
return PropertyAccessorFactory.getPropertyAccessor(accessorType);
}
public static Getter getGetter(Class cls, PropertyData propertyData) {
return getGetter(cls, propertyData.getBeanName(), propertyData.getAccessType());
}
public static Getter getGetter(Class cls, String propertyName, String accessorType) {
Pair key = make(cls, propertyName);
Getter value = getterCache.get(key);
if (value == null) {
value = getAccessor(accessorType).getGetter(cls, propertyName);
// It's ok if two getters are generated concurrently
getterCache.put(key, value);
}
return value;
}
public static Setter getSetter(Class cls, PropertyData propertyData) {
return getSetter(cls, propertyData.getBeanName(), propertyData.getAccessType());
}
private static Setter getSetter(Class cls, String propertyName, String accessorType) {
Pair key = make(cls, propertyName);
Setter value = setterCache.get(key);
if (value == null) {
value = getAccessor(accessorType).getSetter(cls, propertyName);
// It's ok if two setters are generated concurrently
setterCache.put(key, value);
}
return value;
}
}