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IndexingServiceTest.java
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IndexingServiceTest.java
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/*
* Copyright (c) 2002-2016 "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.Before;
import org.junit.Rule;
import org.junit.Test;
import org.mockito.InOrder;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.IntPredicate;
import org.neo4j.collection.primitive.PrimitiveLongCollections;
import org.neo4j.collection.primitive.PrimitiveLongObjectMap;
import org.neo4j.collection.primitive.PrimitiveLongSet;
import org.neo4j.graphdb.ResourceIterator;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.helpers.collection.ArrayIterator;
import org.neo4j.helpers.collection.BoundedIterable;
import org.neo4j.helpers.collection.Iterables;
import org.neo4j.helpers.collection.Iterators;
import org.neo4j.helpers.collection.Visitor;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.kernel.api.TokenNameLookup;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.api.exceptions.index.IndexNotFoundKernelException;
import org.neo4j.kernel.api.exceptions.index.IndexPopulationFailedKernelException;
import org.neo4j.kernel.api.index.IndexAccessor;
import org.neo4j.kernel.api.index.IndexConfiguration;
import org.neo4j.kernel.api.index.IndexDescriptor;
import org.neo4j.kernel.api.index.IndexPopulator;
import org.neo4j.kernel.api.index.IndexUpdater;
import org.neo4j.kernel.api.index.InternalIndexState;
import org.neo4j.kernel.api.index.NodePropertyUpdate;
import org.neo4j.kernel.api.index.SchemaIndexProvider;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingMode;
import org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider;
import org.neo4j.kernel.impl.store.record.IndexRule;
import org.neo4j.kernel.impl.storemigration.StoreMigrationParticipant;
import org.neo4j.kernel.impl.transaction.command.Command.NodeCommand;
import org.neo4j.kernel.impl.transaction.command.Command.PropertyCommand;
import org.neo4j.kernel.impl.transaction.state.DefaultSchemaIndexProviderMap;
import org.neo4j.kernel.impl.transaction.state.DirectIndexUpdates;
import org.neo4j.kernel.impl.transaction.state.IndexUpdates;
import org.neo4j.kernel.impl.util.JobScheduler;
import org.neo4j.kernel.impl.util.Neo4jJobScheduler;
import org.neo4j.kernel.lifecycle.LifeRule;
import org.neo4j.kernel.lifecycle.LifecycleException;
import org.neo4j.logging.AssertableLogProvider;
import org.neo4j.logging.AssertableLogProvider.LogMatcherBuilder;
import org.neo4j.register.Register.DoubleLongRegister;
import org.neo4j.storageengine.api.schema.IndexReader;
import org.neo4j.storageengine.api.schema.IndexSample;
import org.neo4j.storageengine.api.schema.PopulationProgress;
import org.neo4j.test.DoubleLatch;
import static java.lang.System.currentTimeMillis;
import static java.util.Arrays.asList;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.startsWith;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.anyList;
import static org.mockito.Matchers.anyLong;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.RETURNS_MOCKS;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.mockito.Mockito.when;
import static org.neo4j.collection.primitive.PrimitiveLongCollections.setOf;
import static org.neo4j.helpers.collection.Iterators.asCollection;
import static org.neo4j.helpers.collection.Iterators.asResourceIterator;
import static org.neo4j.helpers.collection.Iterators.asSet;
import static org.neo4j.helpers.collection.Iterators.iterator;
import static org.neo4j.helpers.collection.Iterators.loop;
import static org.neo4j.helpers.collection.MapUtil.stringMap;
import static org.neo4j.kernel.api.index.InternalIndexState.ONLINE;
import static org.neo4j.kernel.api.index.InternalIndexState.POPULATING;
import static org.neo4j.kernel.impl.api.index.IndexUpdateMode.RECOVERY;
import static org.neo4j.kernel.impl.api.index.TestSchemaIndexProviderDescriptor.PROVIDER_DESCRIPTOR;
import static org.neo4j.kernel.impl.api.index.sampling.IndexSamplingMode.TRIGGER_REBUILD_ALL;
import static org.neo4j.kernel.impl.store.record.IndexRule.constraintIndexRule;
import static org.neo4j.kernel.impl.store.record.IndexRule.indexRule;
import static org.neo4j.logging.AssertableLogProvider.inLog;
import static org.neo4j.register.Registers.newDoubleLongRegister;
import static org.neo4j.test.mockito.answer.AwaitAnswer.afterAwaiting;
public class IndexingServiceTest
{
@Rule
public final LifeRule life = new LifeRule();
private static final LogMatcherBuilder logMatch = inLog( IndexingService.class );
private static final Runnable DO_NOTHING_CALLBACK = () -> {};
private final int labelId = 7;
private final int propertyKeyId = 15;
private final IndexPopulator populator = mock( IndexPopulator.class );
private final IndexUpdater updater = mock( IndexUpdater.class );
private final SchemaIndexProvider indexProvider = mock( SchemaIndexProvider.class );
private final IndexAccessor accessor = mock( IndexAccessor.class, RETURNS_MOCKS );
private final IndexStoreView storeView = mock( IndexStoreView.class );
private final TokenNameLookup nameLookup = mock( TokenNameLookup.class );
private final AssertableLogProvider logProvider = new AssertableLogProvider();
@Before
public void setUp()
{
when( populator.sampleResult() ).thenReturn( new IndexSample() );
when( storeView.indexSample( any( IndexDescriptor.class ), any( DoubleLongRegister.class ) ) )
.thenAnswer( invocation -> invocation.getArguments()[1] );
}
@Test
public void shouldBringIndexOnlineAndFlipOverToIndexAccessor() throws Exception
{
// given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn(updater);
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( indexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
waitForIndexesToComeOnline( indexingService, 0 );
verify( populator, timeout( 1000 ) ).close( true );
try (IndexUpdater updater = proxy.newUpdater( IndexUpdateMode.ONLINE ) )
{
updater.process( add( 10, "foo" ) );
}
// then
assertEquals( InternalIndexState.ONLINE, proxy.getState() );
InOrder order = inOrder( populator, accessor, updater);
order.verify( populator ).create();
order.verify( populator ).close( true );
order.verify( accessor ).newUpdater( IndexUpdateMode.RECOVERY );
order.verify( updater ).process( add( 10, "foo" ) );
order.verify( updater ).close();
}
@Test
public void indexCreationShouldBeIdempotent() throws Exception
{
// given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater );
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( IndexRule.indexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
indexingService.createIndexes( IndexRule.indexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
// We are asserting that the second call to createIndex does not throw an exception.
waitForIndexesToComeOnline( indexingService, 0 );
}
@Test
public void shouldDeliverUpdatesThatOccurDuringPopulationToPopulator() throws Exception
{
// given
when( populator.newPopulatingUpdater( storeView ) ).thenReturn( updater );
CountDownLatch latch = new CountDownLatch( 1 );
doAnswer( afterAwaiting( latch ) ).when( populator ).add( anyList() );
IndexingService indexingService =
newIndexingServiceWithMockedDependencies( populator, accessor, withData( add( 1, "value1" ) ) );
life.start();
// when
indexingService.createIndexes( indexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
assertEquals( InternalIndexState.POPULATING, proxy.getState() );
NodePropertyUpdate value2 = add( 2, "value2" );
try (IndexUpdater updater = proxy.newUpdater( IndexUpdateMode.ONLINE ) )
{
updater.process( value2 );
}
latch.countDown();
waitForIndexesToComeOnline( indexingService, 0 );
verify( populator, timeout( 1000 ) ).close( true );
// then
assertEquals( InternalIndexState.ONLINE, proxy.getState() );
InOrder order = inOrder( populator, accessor, updater);
order.verify( populator ).create();
order.verify( populator ).includeSample( add( 1, "value1" ) );
order.verify( populator ).add( Mockito.anyListOf( NodePropertyUpdate.class ) );
// invoked from indexAllNodes(), empty because the id we added (2) is bigger than the one we indexed (1)
//
// (We don't get an update for value2 here because we mock a fake store that doesn't contain it
// just for the purpose of testing this behavior)
order.verify( populator ).newPopulatingUpdater( storeView );
order.verify( updater ).close();
order.verify( populator ).verifyDeferredConstraints( storeView );
order.verify( populator ).sampleResult();
order.verify( populator ).close( true );
verifyNoMoreInteractions( updater );
verifyNoMoreInteractions( populator );
verifyZeroInteractions( accessor );
}
@Test
public void shouldStillReportInternalIndexStateAsPopulatingWhenConstraintIndexIsDonePopulating() throws Exception
{
// given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn(updater);
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( constraintIndexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR, null ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
// don't wait for index to come ONLINE here since we're testing that it doesn't
verify( populator, timeout( 2000 ) ).close( true );
try (IndexUpdater updater = proxy.newUpdater( IndexUpdateMode.ONLINE ) )
{
updater.process( add( 10, "foo" ) );
}
// then
assertEquals( InternalIndexState.POPULATING, proxy.getState() );
InOrder order = inOrder( populator, accessor, updater );
order.verify( populator ).create();
order.verify( populator ).close( true );
order.verify( accessor ).newUpdater( IndexUpdateMode.ONLINE );
order.verify(updater).process( add( 10, "foo" ) );
order.verify(updater).close();
}
@Test
public void shouldBringConstraintIndexOnlineWhenExplicitlyToldTo() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( constraintIndexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR, null ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
indexingService.activateIndex( 0 );
// then
assertEquals( ONLINE, proxy.getState() );
InOrder order = inOrder( populator, accessor );
order.verify( populator ).create();
order.verify( populator ).close( true );
}
@Test
public void shouldLogIndexStateOnInit() throws Exception
{
// given
SchemaIndexProvider provider = mock( SchemaIndexProvider.class );
when( provider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
SchemaIndexProviderMap providerMap = new DefaultSchemaIndexProviderMap( provider );
TokenNameLookup mockLookup = mock( TokenNameLookup.class );
IndexRule onlineIndex = indexRule( 1, 1, 1, PROVIDER_DESCRIPTOR );
IndexRule populatingIndex = indexRule( 2, 1, 2, PROVIDER_DESCRIPTOR );
IndexRule failedIndex = indexRule( 3, 2, 2, PROVIDER_DESCRIPTOR );
life.add( IndexingServiceFactory.createIndexingService( Config.empty(), mock( JobScheduler.class ), providerMap,
mock( IndexStoreView.class ), mockLookup, asList( onlineIndex, populatingIndex, failedIndex ),
logProvider, IndexingService.NO_MONITOR, DO_NOTHING_CALLBACK ) );
when( provider.getInitialState( onlineIndex.getId() ) ).thenReturn( ONLINE );
when( provider.getInitialState( populatingIndex.getId() ) ).thenReturn( InternalIndexState.POPULATING );
when( provider.getInitialState( failedIndex.getId() ) ).thenReturn( InternalIndexState.FAILED );
when(mockLookup.labelGetName( 1 )).thenReturn( "LabelOne" );
when( mockLookup.labelGetName( 2 ) ).thenReturn( "LabelTwo" );
when( mockLookup.propertyKeyGetName( 1 ) ).thenReturn( "propertyOne" );
when( mockLookup.propertyKeyGetName( 2 ) ).thenReturn( "propertyTwo" );
// when
life.init();
// then
logProvider.assertExactly(
logMatch.info( "IndexingService.init: index 1 on :LabelOne(propertyOne) is ONLINE" ),
logMatch.info( "IndexingService.init: index 2 on :LabelOne(propertyTwo) is POPULATING" ),
logMatch.info( "IndexingService.init: index 3 on :LabelTwo(propertyTwo) is FAILED" )
);
}
@Test
public void shouldLogIndexStateOnStart() throws Exception
{
// given
SchemaIndexProvider provider = mock( SchemaIndexProvider.class );
when( provider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
SchemaIndexProviderMap providerMap = new DefaultSchemaIndexProviderMap( provider );
TokenNameLookup mockLookup = mock( TokenNameLookup.class );
IndexRule onlineIndex = indexRule( 1, 1, 1, PROVIDER_DESCRIPTOR );
IndexRule populatingIndex = indexRule( 2, 1, 2, PROVIDER_DESCRIPTOR );
IndexRule failedIndex = indexRule( 3, 2, 2, PROVIDER_DESCRIPTOR );
IndexingService indexingService = IndexingServiceFactory.createIndexingService( Config.empty(),
mock( JobScheduler.class ), providerMap, storeView, mockLookup,
asList( onlineIndex, populatingIndex, failedIndex ), logProvider, IndexingService.NO_MONITOR,
DO_NOTHING_CALLBACK );
when( provider.getInitialState( onlineIndex.getId() ) ).thenReturn( ONLINE );
when( provider.getInitialState( populatingIndex.getId() ) ).thenReturn( InternalIndexState.POPULATING );
when( provider.getInitialState( failedIndex.getId() ) ).thenReturn( InternalIndexState.FAILED );
indexingService.init();
when(mockLookup.labelGetName( 1 )).thenReturn( "LabelOne" );
when(mockLookup.labelGetName( 2 )).thenReturn( "LabelTwo" );
when(mockLookup.propertyKeyGetName( 1 )).thenReturn( "propertyOne" );
when(mockLookup.propertyKeyGetName( 2 )).thenReturn( "propertyTwo" );
when( storeView.indexSample( any( IndexDescriptor.class ), any( DoubleLongRegister.class ) ) ).thenReturn( newDoubleLongRegister( 32L, 32L ) );
logProvider.clear();
// when
indexingService.start();
// then
verify( provider ).getPopulationFailure( 3 );
logProvider.assertAtLeastOnce(
logMatch.info( "IndexingService.start: index 1 on :LabelOne(propertyOne) is ONLINE" ),
logMatch.info( "IndexingService.start: index 2 on :LabelOne(propertyTwo) is POPULATING" ),
logMatch.info( "IndexingService.start: index 3 on :LabelTwo(propertyTwo) is FAILED" )
);
}
@Test
public void shouldFailToStartIfMissingIndexProvider() throws Exception
{
// GIVEN an indexing service that has a schema index provider X
String otherProviderKey = "something-completely-different";
SchemaIndexProvider.Descriptor otherDescriptor = new SchemaIndexProvider.Descriptor(
otherProviderKey, "no-version" );
IndexRule rule = indexRule( 1, 2, 3, otherDescriptor );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
mock( IndexPopulator.class ), mock( IndexAccessor.class ),
new DataUpdates( new NodePropertyUpdate[0] ), rule );
// WHEN trying to start up and initialize it with an index from provider Y
try
{
life.init();
fail( "initIndexes with mismatching index provider should fail" );
}
catch ( LifecycleException e )
{ // THEN starting up should fail
assertThat( e.getCause().getMessage(), containsString( "existing index" ) );
assertThat( e.getCause().getMessage(), containsString( otherProviderKey ) );
}
}
@Test
public void shouldSnapshotOnlineIndexes() throws Exception
{
// GIVEN
int indexId = 1;
int indexId2 = 2;
IndexRule rule1 = indexRule( indexId, 2, 3, PROVIDER_DESCRIPTOR );
IndexRule rule2 = indexRule( indexId2, 4, 5, PROVIDER_DESCRIPTOR );
IndexAccessor indexAccessor = mock( IndexAccessor.class );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
mock( IndexPopulator.class ), indexAccessor,
new DataUpdates( new NodePropertyUpdate[0] ), rule1, rule2 );
File theFile = new File( "Blah" );
when( indexAccessor.snapshotFiles()).thenAnswer( newResourceIterator( theFile ) );
when( indexProvider.getInitialState( indexId ) ).thenReturn( ONLINE );
when( indexProvider.getInitialState( indexId2 ) ).thenReturn( ONLINE );
when( storeView.indexSample( any( IndexDescriptor.class ), any( DoubleLongRegister.class ) ) )
.thenReturn( newDoubleLongRegister( 32L, 32L ) );
life.start();
// WHEN
ResourceIterator<File> files = indexing.snapshotStoreFiles();
// THEN
// We get a snapshot per online index
assertThat( asCollection( files ), equalTo( asCollection( iterator( theFile, theFile ) ) ) );
}
@Test
public void shouldNotSnapshotPopulatingIndexes() throws Exception
{
// GIVEN
CountDownLatch populatorLatch = new CountDownLatch(1);
IndexAccessor indexAccessor = mock(IndexAccessor.class);
int indexId = 1;
int indexId2 = 2;
IndexRule rule1 = indexRule( indexId, 2, 3, PROVIDER_DESCRIPTOR );
IndexRule rule2 = indexRule( indexId2, 4, 5, PROVIDER_DESCRIPTOR );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
populator, indexAccessor,
new DataUpdates( new NodePropertyUpdate[0] ), rule1, rule2 );
File theFile = new File( "Blah" );
doAnswer( waitForLatch( populatorLatch ) ).when( populator ).create();
when( indexAccessor.snapshotFiles() ).thenAnswer( newResourceIterator( theFile ) );
when( indexProvider.getInitialState( indexId ) ).thenReturn( POPULATING );
when( indexProvider.getInitialState( indexId2 ) ).thenReturn( ONLINE );
when( storeView.indexSample( any( IndexDescriptor.class ), any( DoubleLongRegister.class ) ) ).thenReturn( newDoubleLongRegister( 32L, 32L ) );
life.start();
// WHEN
ResourceIterator<File> files = indexing.snapshotStoreFiles();
populatorLatch.countDown(); // only now, after the snapshot, is the population job allowed to finish
waitForIndexesToComeOnline( indexing, indexId, indexId2 );
// THEN
// We get a snapshot from the online index, but no snapshot from the populating one
assertThat( asCollection( files ), equalTo( asCollection( iterator( theFile ) ) ) );
}
@Test
public void shouldIgnoreActivateCallDuringRecovery() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
// when
indexingService.activateIndex( 0 );
// then no exception should be thrown.
}
@Test
public void shouldLogTriggerSamplingOnAllIndexes() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
IndexSamplingMode mode = TRIGGER_REBUILD_ALL;
// when
indexingService.triggerIndexSampling( mode );
// then
logProvider.assertAtLeastOnce(
logMatch.info( "Manual trigger for sampling all indexes [" + mode + "]" )
);
}
@Test
public void shouldLogTriggerSamplingOnAnIndexes() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
IndexSamplingMode mode = TRIGGER_REBUILD_ALL;
IndexDescriptor descriptor = new IndexDescriptor( 0, 1 );
// when
indexingService.triggerIndexSampling( descriptor, mode );
// then
String userDescription = descriptor.userDescription( nameLookup );
logProvider.assertAtLeastOnce(
logMatch.info( "Manual trigger for sampling index " + userDescription + " [" + mode + "]" )
);
}
@Test
public void applicationOfIndexUpdatesShouldThrowIfServiceIsStopped()
throws IOException, IndexEntryConflictException
{
// Given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
life.stop();
try
{
// When
indexingService.apply( updates( asSet( add( 1, "foo" ) ) ) );
fail( "Should have thrown " + IllegalStateException.class.getSimpleName() );
}
catch ( IllegalStateException e )
{
// Then
assertThat( e.getMessage(), startsWith( "Can't apply index updates" ) );
}
}
private IndexUpdates updates( Iterable<NodePropertyUpdate> updates )
{
return new DirectIndexUpdates( updates );
}
@Test
public void applicationOfUpdatesShouldFlush() throws Exception
{
// Given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater );
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
indexing.createIndexes( indexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
waitForIndexesToComeOnline( indexing, 0 );
verify( populator, timeout( 1000 ) ).close( true );
// When
indexing.apply( updates( asList( add( 1, "foo" ), add( 2, "bar" ) ) ) );
// Then
InOrder inOrder = inOrder( updater );
inOrder.verify( updater ).process( add( 1, "foo" ) );
inOrder.verify( updater ).process( add( 2, "bar" ) );
inOrder.verify( updater ).close();
inOrder.verifyNoMoreInteractions();
}
@Test
public void closingOfValidatedUpdatesShouldCloseUpdaters() throws Exception
{
// Given
long indexId1 = 1;
long indexId2 = 2;
int labelId1 = 24;
int labelId2 = 42;
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
IndexAccessor accessor1 = mock( IndexAccessor.class );
IndexUpdater updater1 = mock( IndexUpdater.class );
when( accessor1.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater1 );
IndexAccessor accessor2 = mock( IndexAccessor.class );
IndexUpdater updater2 = mock( IndexUpdater.class );
when( accessor2.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater2 );
when( indexProvider.getOnlineAccessor( eq( 1L ), any( IndexConfiguration.class ),
any( IndexSamplingConfig.class ) ) ).thenReturn( accessor1 );
when( indexProvider.getOnlineAccessor( eq( 2L ), any( IndexConfiguration.class ),
any( IndexSamplingConfig.class ) ) ).thenReturn( accessor2 );
life.start();
indexing.createIndexes( indexRule( indexId1, labelId1, propertyKeyId, PROVIDER_DESCRIPTOR ) );
indexing.createIndexes( indexRule( indexId2, labelId2, propertyKeyId, PROVIDER_DESCRIPTOR ) );
waitForIndexesToComeOnline( indexing, indexId1, indexId2 );
verify( populator, timeout( 1000 ).times( 2 ) ).close( true );
// When
indexing.apply( updates( asList(
NodePropertyUpdate.add( 1, propertyKeyId, "foo", new long[]{labelId1} ),
NodePropertyUpdate.add( 2, propertyKeyId, "bar", new long[]{labelId2} ) ) ) );
// Then
verify( updater1 ).close();
verify( updater2 ).close();
}
private void waitForIndexesToComeOnline( IndexingService indexing, long... indexRuleIds )
throws IndexNotFoundKernelException
{
long end = currentTimeMillis() + SECONDS.toMillis( 30 );
while ( !allOnline( indexing, indexRuleIds ) )
{
if ( currentTimeMillis() > end )
{
fail( "Indexes couldn't come online" );
}
}
}
private boolean allOnline( IndexingService indexing, long[] indexRuleIds ) throws IndexNotFoundKernelException
{
for ( long indexRuleId : indexRuleIds )
{
if ( indexing.getIndexProxy( indexRuleId ).getState() != InternalIndexState.ONLINE )
{
return false;
}
}
return true;
}
@Test
public void recoveredUpdatesShouldBeApplied() throws Exception
{
// Given
final long nodeId1 = 1;
final long nodeId2 = 2;
final PrimitiveLongSet nodeIds = setOf( nodeId1, nodeId2 );
final NodePropertyUpdate nodeUpdate1 = add( nodeId1, "foo" );
final NodePropertyUpdate nodeUpdate2 = add( nodeId2, "bar" );
final Set<NodePropertyUpdate> nodeUpdates = asSet( nodeUpdate1, nodeUpdate2 );
final AtomicBoolean applyingRecoveredDataCalled = new AtomicBoolean();
final AtomicBoolean appliedRecoveredDataCalled = new AtomicBoolean();
// Mockito not used here because it does not work well with mutable objects (set of recovered node ids in
// this case, which is cleared at the end of recovery).
// See https://code.google.com/p/mockito/issues/detail?id=126 and
// https://groups.google.com/forum/#!topic/mockito/_A4BpsEAY9s
IndexingService.Monitor monitor = new IndexingService.MonitorAdapter()
{
@Override
public void applyingRecoveredData( PrimitiveLongSet recoveredNodeIds )
{
assertEquals( nodeIds, recoveredNodeIds );
applyingRecoveredDataCalled.set( true );
}
@Override
public void appliedRecoveredData( Iterable<NodePropertyUpdate> updates )
{
assertEquals( nodeUpdates, Iterables.asSet( updates ) );
appliedRecoveredDataCalled.set( true );
}
};
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData(), monitor );
doAnswer( nodeUpdatesAnswer( nodeUpdate1 ) ).when( storeView )
.nodeAsUpdates( eq( nodeId1 ), any( Collection.class ) );
doAnswer( nodeUpdatesAnswer( nodeUpdate2 ) ).when( storeView )
.nodeAsUpdates( eq( nodeId2 ), any( Collection.class ) );
// When
life.init();
IndexUpdates updates = nodeIdsAsIndexUpdates( nodeIds );
indexing.apply( updates );
life.start();
// Then
assertTrue( "applyingRecoveredData was not called", applyingRecoveredDataCalled.get() );
assertTrue( "appliedRecoveredData was not called", appliedRecoveredDataCalled.get() );
}
private IndexUpdates nodeIdsAsIndexUpdates( PrimitiveLongSet nodeIds )
{
return new IndexUpdates()
{
@Override
public Iterator<NodePropertyUpdate> iterator()
{
throw new UnsupportedOperationException();
}
@Override
public void collectUpdatedNodeIds( final PrimitiveLongSet target )
{
target.addAll( nodeIds.iterator() );
}
@Override
public void feed( PrimitiveLongObjectMap<List<PropertyCommand>> propCommands,
PrimitiveLongObjectMap<NodeCommand> nodeCommands )
{
throw new UnsupportedOperationException();
}
@Override
public boolean hasUpdates()
{
return !nodeIds.isEmpty();
}
};
}
/*
* See comments in IndexingService#createIndex
*/
@Test
public void shouldNotLoseIndexDescriptorDueToOtherSimilarIndexDuringRecovery() throws Exception
{
// GIVEN
long nodeId = 0, indexId = 1, otherIndexId = 2;
NodePropertyUpdate update = add( nodeId, "value" );
doAnswer( nodeUpdatesAnswer( update ) ).when( storeView )
.nodeAsUpdates( eq( nodeId ), any( Collection.class ) );
DoubleLongRegister register = mock( DoubleLongRegister.class );
when( register.readSecond() ).thenReturn( 42L );
when( storeView.indexSample( any( IndexDescriptor.class ), any( DoubleLongRegister.class ) ) )
.thenReturn( register );
// For some reason the usual accessor returned null from newUpdater, even when told to return the updater
// so spying on a real object instead.
IndexAccessor accessor = spy( new TrackingIndexAccessor() );
IndexRule index = indexRule( 1, labelId, propertyKeyId, PROVIDER_DESCRIPTOR );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
populator, accessor, withData( update ), index
);
when( indexProvider.getInitialState( indexId ) ).thenReturn( ONLINE );
life.init();
// WHEN dropping another index, which happens to have the same label/property... while recovering
IndexRule otherIndex = indexRule( otherIndexId, labelId, propertyKeyId, PROVIDER_DESCRIPTOR );
indexing.createIndexes( otherIndex );
indexing.dropIndex( otherIndex );
indexing.apply( nodeIdsAsIndexUpdates( PrimitiveLongCollections.asSet(
PrimitiveLongCollections.iterator( nodeId ) ) ) );
// and WHEN finally creating our index again (at a later point in recovery)
indexing.createIndexes( index );
reset( accessor );
// and WHEN starting, i.e. completing recovery
life.start();
// THEN our index should still have been recovered properly
// apparently we create updaters two times during recovery, get over it
verify( accessor, times( 2 ) ).newUpdater( RECOVERY );
}
@Test
public void shouldWaitForRecoveredUniquenessConstraintIndexesToBeFullyPopulated() throws Exception
{
// I.e. when a uniqueness constraint is created, but database crashes before that schema record
// ends up in the store, so that next start have no choice but to rebuild it.
// GIVEN
final DoubleLatch latch = new DoubleLatch();
ControlledIndexPopulator populator = new ControlledIndexPopulator( latch );
final AtomicLong indexId = new AtomicLong( -1 );
IndexingService.Monitor monitor = new IndexingService.MonitorAdapter()
{
@Override
public void awaitingPopulationOfRecoveredIndex( long index, IndexDescriptor descriptor )
{
// When we see that we start to await the index to populate, notify the slow-as-heck
// populator that it can actually go and complete its job.
indexId.set( index );
latch.start();
}
};
// leaving out the IndexRule here will have the index being populated from scratch
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor,
withData( NodePropertyUpdate.add( 0, 0, "value", new long[] {1} ) ), monitor );
// WHEN initializing, i.e. preparing for recovery
life.init();
// simulating an index being created as part of applying recovered transactions
long fakeOwningConstraintRuleId = 1;
indexing.createIndexes( new IndexRule( 2, labelId, propertyKeyId, PROVIDER_DESCRIPTOR,
fakeOwningConstraintRuleId ) );
// and then starting, i.e. considering recovery completed
life.start();
// THEN afterwards the index should be ONLINE
assertEquals( 2, indexId.get() );
assertEquals( ONLINE, indexing.getIndexProxy( indexId.get() ).getState() );
}
@Test
public void shouldCreateMultipleIndexesInOneCall() throws Exception
{
// GIVEN
IndexingService.Monitor monitor = IndexingService.NO_MONITOR;
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor,
withData( NodePropertyUpdate.add( 0, 0, "value", new long[] {1} ) ), monitor );
life.start();
// WHEN
IndexRule indexRule1 = indexRule( 0, 0, 0, PROVIDER_DESCRIPTOR );
IndexRule indexRule2 = indexRule( 1, 0, 1, PROVIDER_DESCRIPTOR );
IndexRule indexRule3 = indexRule( 2, 1, 0, PROVIDER_DESCRIPTOR );
indexing.createIndexes( indexRule1, indexRule2, indexRule3 );
// THEN
verify( indexProvider ).getPopulator( eq( 0L ), eq( new IndexDescriptor( 0, 0 ) ),
eq( IndexConfiguration.NON_UNIQUE ), any( IndexSamplingConfig.class ) );
verify( indexProvider ).getPopulator( eq( 1L ), eq( new IndexDescriptor( 0, 1 ) ),
eq( IndexConfiguration.NON_UNIQUE ), any( IndexSamplingConfig.class ) );
verify( indexProvider ).getPopulator( eq( 2L ), eq( new IndexDescriptor( 1, 0 ) ),
eq( IndexConfiguration.NON_UNIQUE ), any( IndexSamplingConfig.class ) );
waitForIndexesToComeOnline( indexing, 0, 1, 2 );
}
private static class ControlledIndexPopulator extends IndexPopulator.Adapter
{
private final DoubleLatch latch;
ControlledIndexPopulator( DoubleLatch latch )
{
this.latch = latch;
}
@Override
public void add( Collection<NodePropertyUpdate> updates ) throws IndexEntryConflictException, IOException
{
latch.awaitStart();
}
@Override
public void close( boolean populationCompletedSuccessfully ) throws IOException
{
latch.finish();
}
}
private Answer<Void> waitForLatch( final CountDownLatch latch )
{
return invocationOnMock -> {
latch.await();
return null;
};
}
private Answer<ResourceIterator<File>> newResourceIterator( final File theFile )
{
return invocationOnMock -> asResourceIterator(iterator( theFile ));
}
private NodePropertyUpdate add( long nodeId, Object propertyValue )
{
return NodePropertyUpdate.add( nodeId, propertyKeyId, propertyValue, new long[]{labelId} );
}
private IndexingService newIndexingServiceWithMockedDependencies( IndexPopulator populator,
IndexAccessor accessor,
DataUpdates data,
IndexRule... rules ) throws IOException
{
return newIndexingServiceWithMockedDependencies( populator, accessor, data, IndexingService.NO_MONITOR, rules );
}
private IndexingService newIndexingServiceWithMockedDependencies( IndexPopulator populator,
IndexAccessor accessor,
DataUpdates data,
IndexingService.Monitor monitor,
IndexRule... rules ) throws IOException
{
when( indexProvider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
when( indexProvider.getPopulator( anyLong(), any( IndexDescriptor.class ), any( IndexConfiguration.class ),
any( IndexSamplingConfig.class ) ) ).thenReturn( populator );
data.getsProcessedByStoreScanFrom( storeView );
when( indexProvider.getOnlineAccessor( anyLong(), any( IndexConfiguration.class ),
any( IndexSamplingConfig.class ) ) )
.thenReturn( accessor );
when( indexProvider.snapshotMetaFiles() ).thenReturn( Iterators.<File>emptyIterator() );
when( indexProvider.storeMigrationParticipant( any( FileSystemAbstraction.class ), any( PageCache.class ),
any( LabelScanStoreProvider.class ) ) )
.thenReturn( StoreMigrationParticipant.NOT_PARTICIPATING );
when( nameLookup.labelGetName( anyInt() ) ).thenAnswer( new NameLookupAnswer( "label" ) );
when( nameLookup.propertyKeyGetName( anyInt() ) ).thenAnswer( new NameLookupAnswer( "property" ) );
Config config = new Config( stringMap(
GraphDatabaseSettings.multi_threaded_schema_index_population_enabled.name(), "false" ) );
return life.add( IndexingServiceFactory.createIndexingService( config,
life.add( new Neo4jJobScheduler() ),
new DefaultSchemaIndexProviderMap( indexProvider ),
storeView,
nameLookup,
loop( iterator( rules ) ),
logProvider,
monitor,
DO_NOTHING_CALLBACK )
);
}
private DataUpdates withData( NodePropertyUpdate... updates )
{
return new DataUpdates( updates );
}
private static class DataUpdates implements Answer<StoreScan<IndexPopulationFailedKernelException>>, Iterable<NodePropertyUpdate>
{
private final NodePropertyUpdate[] updates;
DataUpdates( NodePropertyUpdate[] updates )
{
this.updates = updates;
}
void getsProcessedByStoreScanFrom( IndexStoreView mock )
{
when( mock.visitNodes( any( IntPredicate.class ), any( IntPredicate.class ),
any( Visitor.class ), any( Visitor.class ) ) ).thenAnswer( this );
}
@Override
public StoreScan<IndexPopulationFailedKernelException> answer( InvocationOnMock invocation ) throws Throwable
{
final Visitor<NodePropertyUpdates,IndexPopulationFailedKernelException> visitor =
visitor( invocation.getArguments()[2] );
return new StoreScan<IndexPopulationFailedKernelException>()
{
NodePropertyUpdates propertyUpdates = new NodePropertyUpdates();
@Override
public void run() throws IndexPopulationFailedKernelException
{
for ( NodePropertyUpdate update : updates )
{
propertyUpdates.initForNodeId( update.getNodeId() );
propertyUpdates.add( update );
visitor.visit( propertyUpdates );
propertyUpdates.reset();
}
}
@Override
public void stop()
{
throw new UnsupportedOperationException();
}
@Override
public PopulationProgress getProgress()
{
return new PopulationProgress( 42, 100 );
}
};
}
@SuppressWarnings({ "unchecked", "rawtypes" })
private static Visitor<NodePropertyUpdates, IndexPopulationFailedKernelException> visitor( Object v )
{
return (Visitor) v;
}
@Override
public Iterator<NodePropertyUpdate> iterator()
{
return new ArrayIterator<>( updates );
}
@Override
public String toString()
{
return Arrays.toString( updates );
}
}
private static class NameLookupAnswer implements Answer<String>
{
private final String kind;