package org.litesoft.bo.change;

import org.litesoft.core.util.*;

public final class SimpleChangeEntry
{
    private Object mOriginalValue;

    public SimpleChangeEntry( Object pOriginalValue )
    {
        mOriginalValue = pOriginalValue;
    }

    public Object getOriginalValue()
    {
        return mOriginalValue;
    }

    public String toString()
    {
        return (mOriginalValue != null) ? mOriginalValue.toString() : "";
    }

    public boolean equals( Object pThem )
    {
        return (this == pThem) || ((pThem instanceof SimpleChangeEntry) &&
                                   equalsNotNullNotUs( (SimpleChangeEntry) pThem ));
    }

    public boolean equals( SimpleChangeEntry pThem )
    {
        return (this == pThem) || ((pThem != null) && equalsNotNullNotUs( pThem ));
    }

    private boolean equalsNotNullNotUs( SimpleChangeEntry pThem )
    {
        return UtilsCommon.areEqual( this.mOriginalValue, pThem.mOriginalValue );
    }

    public int hashCode()
    {
        return (mOriginalValue != null) ? mOriginalValue.hashCode() : 0;
    }
}