openjpa-persistence-locking/src/test/java/org/apache/openjpa/persistence/lock/extended/LSESngTblCon.java

/*
 * 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.openjpa.persistence.lock.extended;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import javax.persistence.Entity;
import javax.persistence.LockModeType;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.QueryHint;

@NamedQueries ( value={
        @NamedQuery(
            name="findLSESngTblConNormal"
            , query="SELECT c FROM LSESngTblCon c WHERE c.firstName LIKE :firstName"
            , lockMode=LockModeType.PESSIMISTIC_WRITE
            ),
        @NamedQuery(
            name="findLSESngTblConExtended"
            , query="SELECT c FROM LSESngTblCon c WHERE c.firstName LIKE :firstName"
            , lockMode=LockModeType.PESSIMISTIC_WRITE
            , hints={@QueryHint(name="javax.persistence.lock.scope",value="EXTENDED")}
            )
        }
    )

@Entity
public class LSESngTblCon extends LSESngTblAbs implements Externalizable {

    private String lastName;

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    @Override
    public String toString() {
        return this.getClass().getName() + '@'
            + Integer.toHexString(System.identityHashCode(this)) + super.toString()
            + ", last=" + getLastName();
    }

    @Override
    public void readExternal(ObjectInput in) throws IOException,
        ClassNotFoundException {
        super.readExternal(in);
        lastName = (String) in.readObject();
    }

    @Override
    public void writeExternal(ObjectOutput out) throws IOException {
        super.writeExternal(out);
        out.writeObject(lastName);
    }
}