org.synyx.hades.domain.SampleEntityPK.java Source code

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Here is the source code for org.synyx.hades.domain.SampleEntityPK.java

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/*
 * Copyright 2008-2010 the original author or authors.
 *
 * 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 org.synyx.hades.domain;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Embeddable;

import org.springframework.util.Assert;

@Embeddable
public class SampleEntityPK implements Serializable {

    private static final long serialVersionUID = 231060947L;

    @Column(nullable = false)
    private String first;
    @Column(nullable = false)
    private String second;

    public SampleEntityPK() {

        this.first = null;
        this.second = null;
    }

    public SampleEntityPK(String first, String second) {

        Assert.notNull(first);
        Assert.notNull(second);
        this.first = first;
        this.second = second;
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(Object obj) {

        if (this == obj) {
            return true;
        }

        if (!this.getClass().equals(obj.getClass())) {
            return false;
        }

        SampleEntityPK that = (SampleEntityPK) obj;

        return this.first.equals(that.first) && this.second.equals(that.second);
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {

        int result = 17;
        result += 31 * first.hashCode();
        result += 31 * second.hashCode();
        return result;
    }
}