ProxyingEntityManager.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2011, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.capedwarf.jpa;

import javax.persistence.*;

/**
 * Proxy wrapping EntityManager.
 *
 * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
 */
public abstract class ProxyingEntityManager extends ProxyingHelper implements EntityManager {
    private EntityManager delegate;

    protected ProxyingEntityManager(EntityManager delegate) {
        if (delegate == null)
            throw new IllegalArgumentException("Null delegate");

        this.delegate = delegate;
    }

    public void persist(Object o) {
        Object entity = getEntity(o);
        delegate.persist(entity);
    }

    public <T> T merge(T t) {
        T entity = getEntity(t);
        T merged = delegate.merge(entity);
        return wrap(merged);
    }

    public void remove(Object o) {
        Object entity = getEntity(o);
        delegate.remove(entity);
    }

    public <T> T find(Class<T> tClass, Object o) {
        T result = delegate.find(getRealClass(tClass), o);
        return safeWrap(result);
    }

    public <T> T getReference(Class<T> tClass, Object o) {
        T result = delegate.getReference(getRealClass(tClass), o);
        return safeWrap(result);
    }

    public void flush() {
        delegate.flush();
    }

    public void setFlushMode(FlushModeType flushModeType) {
        delegate.setFlushMode(flushModeType);
    }

    public FlushModeType getFlushMode() {
        return delegate.getFlushMode();
    }

    public void lock(Object o, LockModeType lockModeType) {
        Object entity = getEntity(o);
        delegate.lock(entity, lockModeType);
    }

    public void refresh(Object o) {
        Object entity = getEntity(o);
        delegate.refresh(entity);
    }

    public void clear() {
        delegate.clear();
    }

    public boolean contains(Object o) {
        Object entity = getEntity(o);
        return delegate.contains(entity);
    }

    public Query createQuery(String s) {
        Query query = delegate.createQuery(s);
        return new ProxyingQuery(getProvider(), query);
    }

    public Query createNamedQuery(String s) {
        Query query = delegate.createNamedQuery(s);
        return new ProxyingQuery(getProvider(), query);
    }

    public Query createNativeQuery(String s) {
        Query query = delegate.createNativeQuery(s);
        return new ProxyingQuery(getProvider(), query);
    }

    public Query createNativeQuery(String s, Class aClass) {
        Query query = delegate.createNativeQuery(s, aClass);
        return new ProxyingQuery(getProvider(), query);
    }

    public Query createNativeQuery(String s, String s1) {
        Query query = delegate.createNativeQuery(s, s1);
        return new ProxyingQuery(getProvider(), query);
    }

    public void close() {
        delegate.close();
    }

    public boolean isOpen() {
        return delegate.isOpen();
    }

    public EntityTransaction getTransaction() {
        return delegate.getTransaction();
    }

    public void joinTransaction() {
        delegate.joinTransaction();
    }

    public Object getDelegate() {
        return delegate.getDelegate();
    }
}