/* * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package com.sun.beans.finder;import java.beans.PersistenceDelegate;import java.util.HashMap;import java.util.Map;/** * This is utility class that provides functionality * to find a {@link PersistenceDelegate} for a JavaBean specified by its type. * * @since 1.7 * * @author Sergey A. Malenkov */public final class PersistenceDelegateFinder extends InstanceFinder<PersistenceDelegate> { private final Map<Class<?>, PersistenceDelegate> registry; public PersistenceDelegateFinder() { super(PersistenceDelegate.class, true, "PersistenceDelegate"); this.registry = new HashMap<Class<?>, PersistenceDelegate>(); } public void register(Class<?> type, PersistenceDelegate delegate) { synchronized (this.registry) { if (delegate != null) { this.registry.put(type, delegate); } else { this.registry.remove(type); } } } @Override public PersistenceDelegate find(Class<?> type) { PersistenceDelegate delegate; synchronized (this.registry) { delegate = this.registry.get(type); } return (delegate != null) ? delegate : super.find(type); }}
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.beans.finder;
import java.beans.PersistenceDelegate;
import java.util.HashMap;
import java.util.Map;
/**
* This is utility class that provides functionality
* to find a {@link PersistenceDelegate} for a JavaBean specified by its type.
*
* @since 1.7
*
* @author Sergey A. Malenkov
*/
public final class PersistenceDelegateFinder
extends InstanceFinder<PersistenceDelegate> {
private final Map<Class<?>, PersistenceDelegate> registry;
public PersistenceDelegateFinder() {
super(PersistenceDelegate.class, true, "PersistenceDelegate");
this.registry = new HashMap<Class<?>, PersistenceDelegate>();
}
public void register(Class<?> type, PersistenceDelegate delegate) {
synchronized (this.registry) {
if (delegate != null) {
this.registry.put(type, delegate);
}
else {
this.registry.remove(type);
}
}
}
@Override
public PersistenceDelegate find(Class<?> type) {
PersistenceDelegate delegate;
synchronized (this.registry) {
delegate = this.registry.get(type);
}
return (delegate != null) ? delegate : super.find(type);
}
}