ValueObjectBase.java

/*
 * Copyright 2011-2013 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 kr.debop4j.core;

import com.google.common.base.Objects;

/**
 * Value Object (Component) 의 최상위 추상화 클래스입니다.
 * Jpa@author 배성혁 ( sunghyouk.bae@gmail.com )
 *
 * @since 12. 11. 19
 */
public abstract class ValueObjectBase implements IValueObject {

    @Override
    public boolean equals(Object obj) {
        return obj == this ||
                (obj != null &&
                        getClass() == obj.getClass() &&
                        hashCode() == obj.hashCode());
    }

    @Override
    public int hashCode() {
        return System.identityHashCode(this);
    }

    @Override
    public String toString() {
        return this.buildStringHelper().toString();
    }

    /** {@link ValueObjectBase#toString()}을 재정의하지 말고, buildStringHelper를 재정의 하세요. */
    protected Objects.ToStringHelper buildStringHelper() {
        return Objects.toStringHelper(this);
    }

    private static final long serialVersionUID = -6322623031885575466L;
}