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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 PersistenceDelegate for a JavaBean specified by its type.
Author:Sergey A. Malenkov
Since:1.7
/** * 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); } }