org.neo4j.kernel.impl.transaction.state.DirectionIdentifier Maven / Gradle / Ivy
/*
* Copyright (c) 2018-2020 "Graph Foundation,"
* Graph Foundation, Inc. [https://graphfoundation.org]
*
* This file is part of ONgDB.
*
* ONgDB 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 .
*/
/*
* Copyright (c) 2002-2020 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.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 .
*/
package org.neo4j.kernel.impl.transaction.state;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.store.record.RelationshipRecord;
import org.neo4j.kernel.impl.util.DirectionWrapper;
public class DirectionIdentifier
{
private DirectionIdentifier()
{
}
public static DirectionWrapper wrapDirection( RelationshipRecord rel, NodeRecord startNode )
{
boolean isOut = rel.getFirstNode() == startNode.getId();
boolean isIn = rel.getSecondNode() == startNode.getId();
assert isOut | isIn;
if ( isOut & isIn )
{
return DirectionWrapper.BOTH;
}
return isOut ? DirectionWrapper.OUTGOING : DirectionWrapper.INCOMING;
}
}
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