com.zutubi.pulse.master.xwork.interceptor.ReadOnlyInterceptor.java Source code

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Here is the source code for com.zutubi.pulse.master.xwork.interceptor.ReadOnlyInterceptor.java

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/* Copyright 2017 Zutubi Pty Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.zutubi.pulse.master.xwork.interceptor;

import com.opensymphony.xwork.ActionInvocation;
import com.opensymphony.xwork.interceptor.Interceptor;
import org.hibernate.FlushMode;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

/**
 * An interceptor to wrap a read-only transaction around a request.  Used to
 * ensure that nothing will be flushed at the end of the hibernate session.
 */
public class ReadOnlyInterceptor implements Interceptor {
    private SessionFactory sessionFactory;

    public void init() {
    }

    public void destroy() {
    }

    public String intercept(ActionInvocation invocation) throws Exception {
        Session session = sessionFactory.getCurrentSession();
        session.setFlushMode(FlushMode.MANUAL);
        return invocation.invoke();
    }

    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }
}