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GenericNativeIndexAccessor.java
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GenericNativeIndexAccessor.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.kernel.impl.index.schema;
import java.io.File;
import java.io.IOException;
import org.neo4j.gis.spatial.index.curves.SpaceFillingCurveConfiguration;
import org.neo4j.index.internal.gbptree.GBPTree;
import org.neo4j.index.internal.gbptree.RecoveryCleanupWorkCollector;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.pagecache.IOLimiter;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.kernel.api.index.IndexProvider;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig;
import org.neo4j.kernel.impl.index.schema.config.IndexSpecificSpaceFillingCurveSettingsCache;
import org.neo4j.kernel.impl.index.schema.config.SpaceFillingCurveSettingsWriter;
import org.neo4j.kernel.impl.util.Validator;
import org.neo4j.storageengine.api.schema.IndexReader;
import org.neo4j.storageengine.api.schema.StoreIndexDescriptor;
import org.neo4j.values.storable.Value;
class GenericNativeIndexAccessor extends NativeIndexAccessor<CompositeGenericKey,NativeIndexValue>
{
private final IndexSpecificSpaceFillingCurveSettingsCache spaceFillingCurveSettings;
private final SpaceFillingCurveConfiguration configuration;
private Validator<Value[]> validator;
GenericNativeIndexAccessor( PageCache pageCache, FileSystemAbstraction fs, File storeFile, IndexLayout<CompositeGenericKey,NativeIndexValue> layout,
RecoveryCleanupWorkCollector recoveryCleanupWorkCollector, IndexProvider.Monitor monitor, StoreIndexDescriptor descriptor,
IndexSamplingConfig samplingConfig, IndexSpecificSpaceFillingCurveSettingsCache spaceFillingCurveSettings,
SpaceFillingCurveConfiguration configuration ) throws IOException
{
super( pageCache, fs, storeFile, layout, recoveryCleanupWorkCollector, monitor, descriptor, samplingConfig,
new SpaceFillingCurveSettingsWriter( spaceFillingCurveSettings ) );
this.spaceFillingCurveSettings = spaceFillingCurveSettings;
this.configuration = configuration;
}
@Override
protected void afterTreeInstantiation( GBPTree<CompositeGenericKey,NativeIndexValue> tree )
{
validator = new GenericIndexKeyValidator( tree.keyValueSizeCap(), layout );
}
@Override
public IndexReader newReader()
{
return new GenericNativeIndexReader( tree, layout, samplingConfig, descriptor, spaceFillingCurveSettings, configuration );
}
@Override
public void validateBeforeCommit( Value[] tuple )
{
validator.validate( tuple );
}
@Override
public void force( IOLimiter ioLimiter )
{
// This accessor needs to use the header writer here because coordinate reference systems may have changed since last checkpoint.
tree.checkpoint( ioLimiter, headerWriter );
}
}