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NonUniqueNumberLayout.java
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NonUniqueNumberLayout.java
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/*
* Copyright (c) 2002-2017 "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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.index.schema;
import org.neo4j.index.internal.gbptree.Layout;
public class NonUniqueNumberLayout extends NumberLayout
{
private static final String IDENTIFIER_NAME = "NUNI";
@Override
public long identifier()
{
return Layout.namedIdentifier( IDENTIFIER_NAME, SchemaNumberValue.SIZE );
}
@Override
public int compare( SchemaNumberKey o1, SchemaNumberKey o2 )
{
int comparison = o1.compareValueTo( o2 );
return comparison != 0 ? comparison : Long.compare( o1.entityId, o2.entityId );
}
}