EmployeeListener.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
 ******************************************************************************/


package org.eclipse.persistence.testing.models.jpa.fieldaccess.advanced;

import javax.persistence.*;
import java.util.EventListener;

public class EmployeeListener implements EventListener {
    @Transient
    public static int PRE_PERSIST_COUNT = 0;
    @Transient
    public static int POST_PERSIST_COUNT = 0;
    @Transient
    public static int PRE_REMOVE_COUNT = 0;
    @Transient
    public static int POST_REMOVE_COUNT = 0;
    @Transient
    public static int PRE_UPDATE_COUNT = 0;
    @Transient
    public static int POST_UPDATE_COUNT = 0;
    @Transient
    public static int POST_LOAD_COUNT = 0;

    // preUpdate will remove this prefix from firstName and lastName
    public static String PRE_UPDATE_NAME_PREFIX = "PRE_UPDATE_NAME_PREFIX";

    @PrePersist
    public void prePersist(Object emp) {
        PRE_PERSIST_COUNT++;
    }

    @PostPersist
    public void postPersist(Object emp) {
        POST_PERSIST_COUNT++;
    }

    @PreRemove
    public void preRemove(Object emp) {
        PRE_REMOVE_COUNT++;
    }

    @PostRemove
    public void postRemove(Object emp) {
        POST_REMOVE_COUNT++;
    }

    @PreUpdate
    public void preUpdate(Object emp) {
        PRE_UPDATE_COUNT++;
        Employee employee = (Employee)emp;
        if(employee.getFirstName() != null && employee.getFirstName().startsWith(PRE_UPDATE_NAME_PREFIX)) {
            employee.setFirstName(employee.getFirstName().substring(PRE_UPDATE_NAME_PREFIX.length()));
        }
        if(employee.getLastName() != null && employee.getLastName().startsWith(PRE_UPDATE_NAME_PREFIX)) {
            employee.setLastName(employee.getLastName().substring(PRE_UPDATE_NAME_PREFIX.length()));
        }
    }

    @PostUpdate
    public void postUpdate(Object emp) {
        POST_UPDATE_COUNT++;
    }

    @PostLoad
    public void postLoad(Employee emp) {
        POST_LOAD_COUNT++;
    }
}