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ConversionVerifier.java
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ConversionVerifier.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.coreedge.convert;
import org.neo4j.coreedge.identity.StoreId;
public class ConversionVerifier
{
public void conversionGuard( ClusterSeed source,
StoreMetadata target )
{
StoreId sourceBefore = source.before();
StoreId targetBefore = target.storeId();
long sourceLastTxId = source.lastTxId();
long targetLastTxId = target.lastTxId();
if ( !(sourceBefore.equals( targetBefore ) && sourceLastTxId == targetLastTxId) )
{
throw new RuntimeException(
String.format( "Cannot convert store. Backup ID does not match on source and target databases. Source: %s, Target: %s", source, target ) );
}
}
}