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MultipleIndexPopulatorUpdatesTest.java
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MultipleIndexPopulatorUpdatesTest.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.api.index;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import java.io.IOException;
import java.util.function.IntPredicate;
import org.neo4j.helpers.collection.Visitor;
import org.neo4j.internal.kernel.api.schema.LabelSchemaDescriptor;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.api.exceptions.index.IndexPopulationFailedKernelException;
import org.neo4j.kernel.api.index.IndexEntryUpdate;
import org.neo4j.kernel.api.index.IndexPopulator;
import org.neo4j.kernel.api.index.IndexProvider;
import org.neo4j.kernel.api.index.IndexUpdater;
import org.neo4j.kernel.api.labelscan.NodeLabelUpdate;
import org.neo4j.kernel.api.schema.SchemaDescriptorFactory;
import org.neo4j.kernel.api.schema.index.SchemaIndexDescriptor;
import org.neo4j.kernel.api.schema.index.SchemaIndexDescriptorFactory;
import org.neo4j.kernel.impl.locking.LockService;
import org.neo4j.kernel.impl.store.InlineNodeLabels;
import org.neo4j.kernel.impl.store.NeoStores;
import org.neo4j.kernel.impl.store.NodeStore;
import org.neo4j.kernel.impl.store.PropertyStore;
import org.neo4j.kernel.impl.store.counts.CountsTracker;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.transaction.state.storeview.NeoStoreIndexStoreView;
import org.neo4j.kernel.impl.transaction.state.storeview.StoreViewNodeStoreScan;
import org.neo4j.kernel.impl.util.Listener;
import org.neo4j.logging.LogProvider;
import org.neo4j.values.storable.Values;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.when;
import static org.neo4j.internal.kernel.api.IndexCapability.NO_CAPABILITY;
@RunWith( MockitoJUnitRunner.class )
public class MultipleIndexPopulatorUpdatesTest
{
@Mock( answer = Answers.RETURNS_MOCKS )
private LogProvider logProvider;
@Test
public void updateForHigherNodeIgnoredWhenUsingFullNodeStoreScan()
throws IndexPopulationFailedKernelException, IOException, IndexEntryConflictException
{
NeoStores neoStores = Mockito.mock( NeoStores.class );
CountsTracker countsTracker = mock( CountsTracker.class );
NodeStore nodeStore = mock( NodeStore.class );
PropertyStore propertyStore = mock( PropertyStore.class );
NodeRecord nodeRecord = getNodeRecord();
when( neoStores.getCounts()).thenReturn( countsTracker );
when( neoStores.getNodeStore()).thenReturn( nodeStore );
when( neoStores.getPropertyStore() ).thenReturn( propertyStore );
when( nodeStore.newRecord() ).thenReturn( nodeRecord );
ProcessListenableNeoStoreIndexView
storeView = new ProcessListenableNeoStoreIndexView( LockService.NO_LOCK_SERVICE, neoStores );
MultipleIndexPopulator indexPopulator = new MultipleIndexPopulator( storeView, logProvider );
storeView.setProcessListener( new NodeUpdateProcessListener( indexPopulator ) );
IndexPopulator populator = createIndexPopulator();
IndexUpdater indexUpdater = mock( IndexUpdater.class );
addPopulator( indexPopulator, populator, 1, SchemaIndexDescriptorFactory.forLabel( 1, 1 ) );
indexPopulator.create();
StoreScan<IndexPopulationFailedKernelException> storeScan = indexPopulator.indexAllNodes();
storeScan.run();
Mockito.verify( indexUpdater, never() ).process( any(IndexEntryUpdate.class) );
}
private NodeRecord getNodeRecord()
{
NodeRecord nodeRecord = new NodeRecord( 1L );
nodeRecord.initialize( true, 0, false, 1, 0x0000000001L );
InlineNodeLabels.putSorted( nodeRecord, new long[]{1}, null, null );
return nodeRecord;
}
private IndexPopulator createIndexPopulator()
{
return mock( IndexPopulator.class );
}
private MultipleIndexPopulator.IndexPopulation addPopulator( MultipleIndexPopulator multipleIndexPopulator,
IndexPopulator indexPopulator, long indexId, SchemaIndexDescriptor descriptor )
{
return addPopulator( multipleIndexPopulator, indexId, descriptor, indexPopulator,
mock( FlippableIndexProxy.class ), mock( FailedIndexProxyFactory.class ) );
}
private MultipleIndexPopulator.IndexPopulation addPopulator( MultipleIndexPopulator multipleIndexPopulator,
long indexId, SchemaIndexDescriptor descriptor, IndexPopulator indexPopulator,
FlippableIndexProxy flippableIndexProxy, FailedIndexProxyFactory failedIndexProxyFactory )
{
return multipleIndexPopulator.addPopulator( indexPopulator, indexId,
new IndexMeta( indexId, descriptor, mock( IndexProvider.Descriptor.class ), NO_CAPABILITY ),
flippableIndexProxy, failedIndexProxyFactory, "userIndexDescription" );
}
private static class NodeUpdateProcessListener implements Listener<NodeRecord>
{
private final MultipleIndexPopulator indexPopulator;
private final LabelSchemaDescriptor index;
NodeUpdateProcessListener( MultipleIndexPopulator indexPopulator )
{
this.indexPopulator = indexPopulator;
this.index = SchemaDescriptorFactory.forLabel( 1, 1 );
}
@Override
public void receive( NodeRecord nodeRecord )
{
if ( nodeRecord.getId() == 7 )
{
indexPopulator.queueUpdate( IndexEntryUpdate.change( 8L, index, Values.of( "a" ), Values.of( "b" ) ) );
}
}
}
private class ProcessListenableNeoStoreIndexView extends NeoStoreIndexStoreView
{
private Listener<NodeRecord> processListener;
ProcessListenableNeoStoreIndexView( LockService locks, NeoStores neoStores )
{
super( locks, neoStores );
}
@Override
public <FAILURE extends Exception> StoreScan<FAILURE> visitNodes( int[] labelIds,
IntPredicate propertyKeyIdFilter,
Visitor<NodeUpdates,FAILURE> propertyUpdatesVisitor,
Visitor<NodeLabelUpdate,FAILURE> labelUpdateVisitor,
boolean forceStoreScan )
{
return new ListenableNodeScanViewNodeStoreScan<>( nodeStore, locks, propertyStore, labelUpdateVisitor,
propertyUpdatesVisitor, labelIds, propertyKeyIdFilter, processListener );
}
void setProcessListener( Listener<NodeRecord> processListener )
{
this.processListener = processListener;
}
}
private class ListenableNodeScanViewNodeStoreScan<FAILURE extends Exception> extends StoreViewNodeStoreScan<FAILURE>
{
private final Listener<NodeRecord> processListener;
ListenableNodeScanViewNodeStoreScan( NodeStore nodeStore, LockService locks,
PropertyStore propertyStore, Visitor<NodeLabelUpdate,FAILURE> labelUpdateVisitor,
Visitor<NodeUpdates,FAILURE> propertyUpdatesVisitor, int[] labelIds,
IntPredicate propertyKeyIdFilter, Listener<NodeRecord> processListener )
{
super( nodeStore, locks, propertyStore, labelUpdateVisitor, propertyUpdatesVisitor,
labelIds,
propertyKeyIdFilter );
this.processListener = processListener;
}
@Override
public void process( NodeRecord nodeRecord ) throws FAILURE
{
processListener.receive( nodeRecord );
super.process( nodeRecord );
}
}
}