/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * Beanlet - JSE Application Container.
 * Copyright (C) 2006  Leon van Zantvoort
 * 
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 * Leon van Zantvoort
 * 243 Acalanes Drive #11
 * Sunnyvale, CA 94086
 * USA
 *
 * zantvoort@users.sourceforge.net
 * http://beanlet.org
 */
package org.beanlet.transaction.impl;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.beanlet.plugin.BeanletConfiguration;
import org.beanlet.transaction.TransactionAttribute;
import org.jargo.ComponentConfiguration;
import org.jargo.DependencyInspector;

/**
 *
 * @author Leon van Zantvoort
 */
public class TransactionDependencyInspectorImpl implements DependencyInspector {

    private final ComponentConfiguration<?> configuration;
    
    public TransactionDependencyInspectorImpl(ComponentConfiguration<?> 
            configuration) {
        this.configuration = configuration;
    }

    public Set<String> getDependencies(Class<?> cls) {
        Set<String> dependencies = new HashSet<String>();
        if (configuration instanceof BeanletConfiguration) {
            if (!((BeanletConfiguration) configuration).getAnnotationDomain().
                    getDeclaration(TransactionAttribute.class).getElements().
                    isEmpty()) {
                dependencies.addAll(TransactionHelper.getTransactionManagerDependencies());
            }
        }
        return Collections.unmodifiableSet(dependencies);
    }
}