/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.plugin;
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import org.opends.server.replication.common.ChangeNumber;
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import org.opends.server.types.AttributeValue;
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/**
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* Allows to store historical information about specific values
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* for a given attribute.
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*/
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public class ValueInfo
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{
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private AttributeValue value;
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private ChangeNumber valueDeleteTime;
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private ChangeNumber valueUpdateTime;
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/**
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* Build a new ValueInfo.
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* @param value value for which ValueInfo is built
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* @param CNupdate last time when value was updated last
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* @param CNdelete last time when value for deleted
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*/
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public ValueInfo(AttributeValue value,
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ChangeNumber CNupdate,
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ChangeNumber CNdelete)
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{
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this.value = value;
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this.valueUpdateTime = CNupdate;
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this.valueDeleteTime = CNdelete;
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}
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/**
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* Compares this object with another ValueInfo object.
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* Object are said equals when their values matches.
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* @param obj object to be compared with this object
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* @return true if equal, false otherwise
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*/
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@Override
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public boolean equals(Object obj)
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{
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if (obj instanceof ValueInfo)
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{
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ValueInfo objVal = (ValueInfo) obj;
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return (value.equals(objVal.getValue()));
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}
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else
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{
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return false;
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}
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}
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/**
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* calculates the hasCode for this object.
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* Only value is used when calculating the hashCode
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* @return the hashcode
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*/
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@Override
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public int hashCode()
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{
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return value.hashCode();
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}
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/**
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* Get the last time when the value was deleted.
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* @return the last time when the value was deleted
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*/
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public ChangeNumber getValueDeleteTime()
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{
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return valueDeleteTime;
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}
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/**
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* Get the last time when the value was updated.
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* @return the last time when the value was updated
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*/
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public ChangeNumber getValueUpdateTime()
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{
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return valueUpdateTime;
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}
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/**
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* Get the value for which this ValueInfo was generated.
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* @return the value for which this ValueInfo was generated
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*/
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public AttributeValue getValue()
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{
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return value;
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}
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/**
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* Check if the value associated with this ValueInfo was updated.
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* @return true if the value associated with this ValueInfo was updated
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*/
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public boolean isUpdate()
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{
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if (valueUpdateTime != null)
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return true;
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else
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return false;
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}
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}
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