/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.oozie.executor.jpa;

import javax.persistence.EntityManager;

import org.apache.oozie.WorkflowActionBean;
import org.apache.oozie.util.ParamChecker;
import org.apache.oozie.ErrorCode;

/**
* Persist the WorkflowAction bean.
*/
public class WorkflowActionUpdateJPAExecutor implements JPAExecutor<String> {

    private WorkflowActionBean wfAction = null;

    public WorkflowActionUpdateJPAExecutor(WorkflowActionBean wfAction) {
        ParamChecker.notNull(wfAction, "wfAction");
        this.wfAction = wfAction;
    }

    @Override
    public String getName() {
        return "WorkflowActionUpdateJPAExecutor";
    }

    @Override
    public String execute(EntityManager em) throws JPAExecutorException {

        try {
            em.merge(wfAction);
            return null;
        }
        catch (Exception e) {
            throw new JPAExecutorException(ErrorCode.E0603, e);
        }
    }

}