com.jaspersoft.jasperserver.api.metadata.common.service.impl.HibernateCompositeInterceptor.java Source code

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Here is the source code for com.jaspersoft.jasperserver.api.metadata.common.service.impl.HibernateCompositeInterceptor.java

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/*
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * 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 Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.jaspersoft.jasperserver.api.metadata.common.service.impl;

import org.hibernate.EmptyInterceptor;
import org.hibernate.type.Type;

import java.io.Serializable;
import java.util.Iterator;
import java.util.List;

/**
 * @author Lucian Chirita
 *
 */
public class HibernateCompositeInterceptor extends EmptyInterceptor {

    private List listeners;

    public void onDelete(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        fireDeleteListeners(entity);
    }

    public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        fireSaveListeners(entity);
        return false;
    }

    @Override
    public String onPrepareStatement(String sql) {
        // See RepoResourceItemBase.hbm.xml
        // RepoResourceItemBase uses union subclass strategy to combine resources and folders from JIResource and JIResourceFolder
        // Fake tables required to set composite id on existing database schema (composite ids required for identity-based
        // databases, such as MySQL in order to distinguish resources and folders with same id)
        // The RepoResourceItemBase.hbm.xml file is excluded from DDL generation.
        return super.onPrepareStatement(sql).replace("FakeJIResource", "JIResource").replace("FakeJIResourceFolder",
                "JIResourceFolder");
    }

    protected void fireDeleteListeners(Object deleted) {
        if (listeners != null && !listeners.isEmpty()) {
            for (Iterator it = listeners.iterator(); it.hasNext();) {
                Object listener = it.next();
                if (listener instanceof HibernateDeleteListener) {
                    fireListener((HibernateDeleteListener) listener, deleted);
                }
            }
        }
    }

    protected void fireSaveListeners(Object saved) {
        if (listeners != null && !listeners.isEmpty()) {
            for (Iterator it = listeners.iterator(); it.hasNext();) {
                Object listener = it.next();
                if (listener instanceof HibernateSaveListener) {
                    fireListener((HibernateSaveListener) listener, saved);
                }
            }
        }
    }

    protected void fireListener(HibernateDeleteListener listener, Object deleted) {
        listener.onDelete(deleted);
    }

    protected void fireListener(HibernateSaveListener listener, Object saved) {
        listener.onSave(saved);
    }

    public List getListeners() {
        return listeners;
    }

    public void setListeners(List listeners) {
        this.listeners = listeners;
    }

}