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FusionIndexPopulator.java
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FusionIndexPopulator.java
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/*
* Copyright (c) 2002-2018 "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.fusion;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.api.index.IndexEntryUpdate;
import org.neo4j.kernel.api.index.IndexPopulator;
import org.neo4j.kernel.api.index.IndexUpdater;
import org.neo4j.kernel.api.index.PropertyAccessor;
import org.neo4j.kernel.impl.index.schema.fusion.FusionSchemaIndexProvider.DropAction;
import org.neo4j.kernel.impl.index.schema.fusion.FusionSchemaIndexProvider.Selector;
import org.neo4j.storageengine.api.schema.IndexSample;
import static org.neo4j.kernel.impl.index.schema.fusion.FusionIndexUtils.forAll;
import static org.neo4j.kernel.impl.index.schema.fusion.FusionSchemaIndexProvider.combineSamples;
class FusionIndexPopulator implements IndexPopulator
{
private final IndexPopulator numberPopulator;
private final IndexPopulator spatialPopulator;
private final IndexPopulator temporalPopulator;
private final IndexPopulator lucenePopulator;
private final Selector selector;
private final long indexId;
private final DropAction dropAction;
FusionIndexPopulator( IndexPopulator numberPopulator, IndexPopulator spatialPopulator, IndexPopulator temporalPopulator,
IndexPopulator lucenePopulator, Selector selector, long indexId, DropAction dropAction )
{
this.numberPopulator = numberPopulator;
this.spatialPopulator = spatialPopulator;
this.temporalPopulator = temporalPopulator;
this.lucenePopulator = lucenePopulator;
this.selector = selector;
this.indexId = indexId;
this.dropAction = dropAction;
}
@Override
public void create() throws IOException
{
numberPopulator.create();
spatialPopulator.create();
temporalPopulator.create();
lucenePopulator.create();
}
@Override
public void drop() throws IOException
{
forAll( IndexPopulator::drop, numberPopulator, spatialPopulator, temporalPopulator, lucenePopulator );
dropAction.drop( indexId );
}
@Override
public void add( Collection<? extends IndexEntryUpdate<?>> updates ) throws IndexEntryConflictException, IOException
{
Collection<IndexEntryUpdate<?>> luceneBatch = new ArrayList<>();
Collection<IndexEntryUpdate<?>> spatialBatch = new ArrayList<>();
Collection<IndexEntryUpdate<?>> temporalBatch = new ArrayList<>();
Collection<IndexEntryUpdate<?>> numberBatch = new ArrayList<>();
for ( IndexEntryUpdate<?> update : updates )
{
selector.select( numberBatch, spatialBatch, temporalBatch, luceneBatch, update.values() ).add( update );
}
lucenePopulator.add( luceneBatch );
spatialPopulator.add( spatialBatch );
temporalPopulator.add( temporalBatch );
numberPopulator.add( numberBatch );
}
@Override
public void verifyDeferredConstraints( PropertyAccessor propertyAccessor )
throws IndexEntryConflictException, IOException
{
numberPopulator.verifyDeferredConstraints( propertyAccessor );
spatialPopulator.verifyDeferredConstraints( propertyAccessor );
temporalPopulator.verifyDeferredConstraints( propertyAccessor );
lucenePopulator.verifyDeferredConstraints( propertyAccessor );
}
@Override
public IndexUpdater newPopulatingUpdater( PropertyAccessor accessor ) throws IOException
{
return new FusionIndexUpdater(
numberPopulator.newPopulatingUpdater( accessor ),
spatialPopulator.newPopulatingUpdater( accessor ),
temporalPopulator.newPopulatingUpdater( accessor ),
lucenePopulator.newPopulatingUpdater( accessor ), selector );
}
@Override
public void close( boolean populationCompletedSuccessfully ) throws IOException
{
forAll( populator -> populator.close( populationCompletedSuccessfully ), numberPopulator, spatialPopulator, temporalPopulator, lucenePopulator );
}
@Override
public void markAsFailed( String failure ) throws IOException
{
forAll( populator -> populator.markAsFailed( failure ), numberPopulator, spatialPopulator, temporalPopulator, lucenePopulator );
}
@Override
public void includeSample( IndexEntryUpdate<?> update )
{
selector.select( numberPopulator, spatialPopulator, temporalPopulator, lucenePopulator, update.values() ).includeSample( update );
}
@Override
public IndexSample sampleResult()
{
return combineSamples(
numberPopulator.sampleResult(),
spatialPopulator.sampleResult(),
temporalPopulator.sampleResult(),
lucenePopulator.sampleResult() );
}
}