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Add consistency checker support for relationship indexes.
An analog for PropertyAndNodeIndexedCheck is not added, though.
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66 changes: 66 additions & 0 deletions
66
...rg/neo4j/consistency/checking/full/RelationshipInUseWithCorrectRelationshipTypeCheck.java
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/* | ||
* Copyright (c) 2002-2018 "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 <http://www.gnu.org/licenses/>. | ||
*/ | ||
package org.neo4j.consistency.checking.full; | ||
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import java.util.Arrays; | ||
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import org.neo4j.consistency.checking.CheckerEngine; | ||
import org.neo4j.consistency.checking.ComparativeRecordChecker; | ||
import org.neo4j.consistency.report.ConsistencyReport; | ||
import org.neo4j.consistency.store.RecordAccess; | ||
import org.neo4j.kernel.impl.store.record.AbstractBaseRecord; | ||
import org.neo4j.kernel.impl.store.record.RelationshipRecord; | ||
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import static org.neo4j.consistency.checking.full.NodeInUseWithCorrectLabelsCheck.sortAndDeduplicate; | ||
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public class RelationshipInUseWithCorrectRelationshipTypeCheck | ||
<RECORD extends AbstractBaseRecord, REPORT extends ConsistencyReport.RelationshipInUseWithCorrectRelationshipTypeReport> | ||
implements ComparativeRecordChecker<RECORD,RelationshipRecord, REPORT> | ||
{ | ||
private final long[] indexRelationshipTypes; | ||
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public RelationshipInUseWithCorrectRelationshipTypeCheck( long[] expectedEntityTokenIds ) | ||
{ | ||
this.indexRelationshipTypes = sortAndDeduplicate( expectedEntityTokenIds ); | ||
} | ||
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@Override | ||
public void checkReference( RECORD record, RelationshipRecord relationshipRecord, CheckerEngine<RECORD,REPORT> engine, RecordAccess records ) | ||
{ | ||
if ( relationshipRecord.inUse() ) | ||
{ | ||
// Relationship indexes are always semantically multi-token, which means that the relationship record just need to have one of the possible | ||
// relationship types mentioned by the index. Relationships can't have more than one type anyway. | ||
long type = relationshipRecord.getType(); | ||
if ( Arrays.binarySearch( indexRelationshipTypes, type ) < 0 ) | ||
{ | ||
// The relationship did not have any of the relationship types mentioned by the index. | ||
for ( long indexRelationshipType : indexRelationshipTypes ) | ||
{ | ||
engine.report().relationshipDoesNotHaveExpectedRelationshipType( relationshipRecord, indexRelationshipType ); | ||
} | ||
} | ||
} | ||
else | ||
{ | ||
engine.report().relationshipNotInUse( relationshipRecord ); | ||
} | ||
} | ||
} |
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