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NeoStoresTest.java
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NeoStoresTest.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.store;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.RuleChain;
import java.io.File;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import org.neo4j.cursor.Cursor;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.RelationshipType;
import org.neo4j.graphdb.mockfs.UncloseableDelegatingFileSystemAbstraction;
import org.neo4j.helpers.collection.Pair;
import org.neo4j.internal.kernel.api.exceptions.EntityNotFoundException;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.fs.OpenMode;
import org.neo4j.io.fs.StoreChannel;
import org.neo4j.io.pagecache.IOLimiter;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.io.pagecache.tracing.cursor.context.EmptyVersionContextSupplier;
import org.neo4j.kernel.NeoStoreDataSource;
import org.neo4j.kernel.api.KernelTransaction;
import org.neo4j.kernel.api.exceptions.TransactionFailureException;
import org.neo4j.kernel.api.properties.PropertyKeyValue;
import org.neo4j.kernel.api.txstate.TransactionState;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.api.KernelStatement;
import org.neo4j.kernel.impl.api.KernelTransactionImplementation;
import org.neo4j.kernel.impl.api.RelationshipVisitor;
import org.neo4j.kernel.impl.core.RelationshipTypeToken;
import org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine;
import org.neo4j.kernel.impl.store.MetaDataStore.Position;
import org.neo4j.kernel.impl.store.counts.CountsTracker;
import org.neo4j.kernel.impl.store.format.RecordFormatSelector;
import org.neo4j.kernel.impl.store.format.RecordFormats;
import org.neo4j.kernel.impl.store.format.standard.DynamicRecordFormat;
import org.neo4j.kernel.impl.store.id.DefaultIdGeneratorFactory;
import org.neo4j.kernel.impl.store.id.IdGeneratorFactory;
import org.neo4j.kernel.impl.store.id.IdType;
import org.neo4j.kernel.impl.store.record.PropertyBlock;
import org.neo4j.kernel.impl.store.record.PropertyKeyTokenRecord;
import org.neo4j.kernel.impl.store.record.PropertyRecord;
import org.neo4j.kernel.impl.transaction.log.TransactionIdStore;
import org.neo4j.kernel.impl.transaction.log.entry.LogHeader;
import org.neo4j.kernel.impl.transaction.state.PropertyLoader;
import org.neo4j.kernel.impl.transaction.state.TransactionRecordState.PropertyReceiver;
import org.neo4j.kernel.impl.util.Dependencies;
import org.neo4j.logging.NullLogProvider;
import org.neo4j.storageengine.api.NodeItem;
import org.neo4j.storageengine.api.PropertyItem;
import org.neo4j.storageengine.api.RelationshipItem;
import org.neo4j.storageengine.api.StorageProperty;
import org.neo4j.storageengine.api.StorageStatement;
import org.neo4j.storageengine.api.StoreReadLayer;
import org.neo4j.storageengine.api.Token;
import org.neo4j.string.UTF8;
import org.neo4j.test.TestGraphDatabaseFactory;
import org.neo4j.test.ThreadTestUtils;
import org.neo4j.test.rule.ConfigurablePageCacheRule;
import org.neo4j.test.rule.NeoStoreDataSourceRule;
import org.neo4j.test.rule.PageCacheRule;
import org.neo4j.test.rule.TestDirectory;
import org.neo4j.test.rule.fs.EphemeralFileSystemRule;
import org.neo4j.values.storable.Value;
import org.neo4j.values.storable.Values;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.neo4j.function.Predicates.ALWAYS_TRUE_INT;
import static org.neo4j.graphdb.factory.GraphDatabaseSettings.counts_store_rotation_timeout;
import static org.neo4j.helpers.collection.MapUtil.stringMap;
import static org.neo4j.internal.kernel.api.security.LoginContext.AUTH_DISABLED;
import static org.neo4j.kernel.api.AssertOpen.ALWAYS_OPEN;
import static org.neo4j.kernel.impl.locking.LockService.NO_LOCK;
import static org.neo4j.kernel.impl.store.RecordStore.getRecord;
import static org.neo4j.kernel.impl.store.format.standard.MetaDataRecordFormat.FIELD_NOT_PRESENT;
import static org.neo4j.kernel.impl.store.record.RecordLoad.NORMAL;
import static org.neo4j.kernel.impl.transaction.log.TransactionIdStore.BASE_TX_COMMIT_TIMESTAMP;
import static org.neo4j.storageengine.api.Direction.BOTH;
public class NeoStoresTest
{
private static final NullLogProvider LOG_PROVIDER = NullLogProvider.getInstance();
private final PageCacheRule pageCacheRule = new ConfigurablePageCacheRule();
private final ExpectedException exception = ExpectedException.none();
private final EphemeralFileSystemRule fs = new EphemeralFileSystemRule();
private final TestDirectory dir = TestDirectory.testDirectory( fs.get() );
private final NeoStoreDataSourceRule dsRule = new NeoStoreDataSourceRule();
@Rule
public RuleChain ruleChain = RuleChain.outerRule( exception ).around( pageCacheRule )
.around( fs ).around( dir ).around( dsRule );
private PageCache pageCache;
private File storeDir;
private PropertyStore pStore;
private RelationshipTypeTokenStore rtStore;
private NeoStoreDataSource ds;
private KernelTransaction tx;
private TransactionState transaction;
private StoreReadLayer storeLayer;
private PropertyLoader propertyLoader;
@Before
public void setUpNeoStores()
{
storeDir = dir.graphDbDir();
Config config = Config.defaults();
pageCache = pageCacheRule.getPageCache( fs.get() );
StoreFactory sf = new StoreFactory( storeDir, config, new DefaultIdGeneratorFactory( fs.get() ), pageCache,
fs.get(), NullLogProvider.getInstance(), EmptyVersionContextSupplier.EMPTY );
sf.openAllNeoStores( true ).close();
}
@Test
public void impossibleToGetStoreFromClosedNeoStoresContainer()
{
Config config = Config.defaults();
StoreFactory sf = new StoreFactory( storeDir, config, new DefaultIdGeneratorFactory( fs.get() ), pageCache,
fs.get(), NullLogProvider.getInstance(), EmptyVersionContextSupplier.EMPTY );
NeoStores neoStores = sf.openAllNeoStores( true );
assertNotNull( neoStores.getMetaDataStore() );
neoStores.close();
exception.expect( IllegalStateException.class );
exception.expectMessage( "Specified store was already closed.");
neoStores.getMetaDataStore();
}
@Test
public void notAllowCreateDynamicStoreWithNegativeBlockSize()
{
Config config = Config.defaults();
StoreFactory sf = new StoreFactory( storeDir, config, new DefaultIdGeneratorFactory( fs.get() ), pageCache,
fs.get(), NullLogProvider.getInstance(), EmptyVersionContextSupplier.EMPTY );
exception.expect( IllegalArgumentException.class );
exception.expectMessage( "Block size of dynamic array store should be positive integer." );
try ( NeoStores neoStores = sf.openNeoStores( true ) )
{
neoStores.createDynamicArrayStore( "someStore", IdType.ARRAY_BLOCK, -2 );
}
}
@Test
public void impossibleToGetNotRequestedStore()
{
Config config = Config.defaults();
StoreFactory sf = new StoreFactory( storeDir, config, new DefaultIdGeneratorFactory( fs.get() ), pageCache,
fs.get(), NullLogProvider.getInstance(), EmptyVersionContextSupplier.EMPTY );
exception.expect( IllegalStateException.class );
exception.expectMessage(
"Specified store was not initialized. Please specify " + StoreType.META_DATA.name() +
" as one of the stores types that should be open to be able to use it." );
try ( NeoStores neoStores = sf.openNeoStores( true, StoreType.NODE_LABEL ) )
{
neoStores.getMetaDataStore();
}
}
@Test
public void testCreateStore() throws Exception
{
initializeStores( storeDir, stringMap() );
startTx();
// setup test population
long node1 = nextId( Node.class );
transaction.nodeDoCreate( node1 );
long node2 = nextId( Node.class );
transaction.nodeDoCreate( node2 );
StorageProperty n1prop1 = nodeAddProperty( node1, index( "prop1" ), "string1" );
StorageProperty n1prop2 = nodeAddProperty( node1, index( "prop2" ), 1 );
StorageProperty n1prop3 = nodeAddProperty( node1, index( "prop3" ), true );
StorageProperty n2prop1 = nodeAddProperty( node2, index( "prop1" ), "string2" );
StorageProperty n2prop2 = nodeAddProperty( node2, index( "prop2" ), 2 );
StorageProperty n2prop3 = nodeAddProperty( node2, index( "prop3" ), false );
int relType1 = (int) nextId( RelationshipType.class );
String typeName1 = "relationshiptype1";
transaction.relationshipTypeDoCreateForName( typeName1, relType1 );
int relType2 = (int) nextId( RelationshipType.class );
String typeName2 = "relationshiptype2";
transaction.relationshipTypeDoCreateForName( typeName2, relType2 );
long rel1 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel1, relType1, node1, node2 );
long rel2 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel2, relType2, node2, node1 );
StorageProperty r1prop1 = relAddProperty( rel1, index( "prop1" ), "string1" );
StorageProperty r1prop2 = relAddProperty( rel1, index( "prop2" ), 1 );
StorageProperty r1prop3 = relAddProperty( rel1, index( "prop3" ), true );
StorageProperty r2prop1 = relAddProperty( rel2, index( "prop1" ), "string2" );
StorageProperty r2prop2 = relAddProperty( rel2, index( "prop2" ), 2 );
StorageProperty r2prop3 = relAddProperty( rel2, index( "prop3" ), false );
commitTx();
ds.stop();
initializeStores( storeDir, stringMap() );
startTx();
// validate node
validateNodeRel1( node1, n1prop1, n1prop2, n1prop3, rel1, rel2, relType1, relType2 );
validateNodeRel2( node2, n2prop1, n2prop2, n2prop3, rel1, rel2, relType1, relType2 );
// validate rels
validateRel1( rel1, r1prop1, r1prop2, r1prop3, node1, node2, relType1 );
validateRel2( rel2, r2prop1, r2prop2, r2prop3, node2, node1, relType2 );
validateRelTypes( relType1, relType2 );
// validate reltypes
validateRelTypes( relType1, relType2 );
commitTx();
ds.stop();
initializeStores( storeDir, stringMap() );
startTx();
// validate and delete rels
deleteRel1( rel1, r1prop1, r1prop2, r1prop3, node1, node2, relType1 );
deleteRel2( rel2, r2prop1, r2prop2, r2prop3, node2, node1, relType2 );
// validate and delete nodes
deleteNode1( node1, n1prop1, n1prop2, n1prop3 );
deleteNode2( node2, n2prop1, n2prop2, n2prop3 );
commitTx();
ds.stop();
initializeStores( storeDir, stringMap() );
startTx();
assertFalse( nodeExists( node1 ) );
assertFalse( nodeExists( node2 ) );
testGetRels( new long[]{rel1, rel2} );
long[] nodeIds = new long[10];
for ( int i = 0; i < 3; i++ )
{
nodeIds[i] = nextId( Node.class );
transaction.nodeDoCreate( nodeIds[i] );
nodeAddProperty( nodeIds[i], index( "nisse" ), 10 - i );
}
for ( int i = 0; i < 2; i++ )
{
long id = nextId( Relationship.class );
transaction.relationshipDoCreate( id, relType1, nodeIds[i], nodeIds[i + 1] );
transaction.relationshipDoDelete( id, relType1, nodeIds[i], nodeIds[i + 1] );
}
for ( int i = 0; i < 3; i++ )
{
transaction.nodeDoDelete( nodeIds[i] );
}
commitTx();
ds.stop();
}
private StorageProperty nodeAddProperty( long nodeId, int key, Object value )
{
StorageProperty property = new PropertyKeyValue( key, Values.of( value ) );
StorageProperty oldProperty = null;
try ( StorageStatement statement = storeLayer.newStatement();
Cursor<NodeItem> cursor = statement.acquireSingleNodeCursor( nodeId ) )
{
if ( cursor.next() )
{
if ( cursor.next() )
{
StorageProperty fetched = getProperty( key, statement, cursor.get().nextPropertyId() );
if ( fetched != null )
{
oldProperty = fetched;
}
}
}
}
if ( oldProperty == null )
{
transaction.nodeDoAddProperty( nodeId, key, property.value() );
}
else
{
transaction.nodeDoChangeProperty( nodeId, key, oldProperty.value(), property.value() );
}
return property;
}
private StorageProperty relAddProperty( long relationshipId, int key, Object value )
{
StorageProperty property = new PropertyKeyValue( key, Values.of( value ) );
Value oldValue = Values.NO_VALUE;
try ( StorageStatement statement = storeLayer.newStatement();
Cursor<RelationshipItem> cursor = statement.acquireSingleRelationshipCursor( relationshipId ) )
{
if ( cursor.next() )
{
StorageProperty fetched = getProperty( key, statement, cursor.get().nextPropertyId() );
if ( fetched != null )
{
oldValue = fetched.value();
}
}
}
transaction.relationshipDoReplaceProperty( relationshipId, key, oldValue, Values.of( value ) );
return property;
}
private StorageProperty getProperty( int key, StorageStatement statement, long propertyId )
{
try ( Cursor<PropertyItem> propertyCursor = statement
.acquireSinglePropertyCursor( propertyId, key, NO_LOCK, ALWAYS_OPEN ) )
{
if ( propertyCursor.next() )
{
Value oldValue = propertyCursor.get().value();
if ( oldValue != null )
{
return new PropertyKeyValue( key, oldValue );
}
}
}
return null;
}
@Test
public void testRels1() throws Exception
{
initializeStores( storeDir, stringMap() );
startTx();
int relType1 = (int) nextId( RelationshipType.class );
String typeName = "relationshiptype1";
transaction.relationshipTypeDoCreateForName( typeName, relType1 );
long[] nodeIds = new long[3];
for ( int i = 0; i < 3; i++ )
{
nodeIds[i] = nextId( Node.class );
transaction.nodeDoCreate( nodeIds[i] );
nodeAddProperty( nodeIds[i], index( "nisse" ), 10 - i );
}
for ( int i = 0; i < 2; i++ )
{
transaction.relationshipDoCreate( nextId( Relationship.class ),
relType1, nodeIds[i], nodeIds[i + 1] );
}
commitTx();
startTx();
for ( int i = 0; i < 3; i += 2 )
{
deleteRelationships( nodeIds[i] );
transaction.nodeDoDelete( nodeIds[i] );
}
commitTx();
ds.stop();
}
private void relDelete( long id )
{
RelationshipVisitor<RuntimeException> visitor = ( relId, type, startNode, endNode ) ->
transaction.relationshipDoDelete( relId, type, startNode, endNode );
if ( !transaction.relationshipVisit( id, visitor ) )
{
try
{
storeLayer.relationshipVisit( id, visitor );
}
catch ( EntityNotFoundException e )
{
throw new RuntimeException( e );
}
}
}
@Test
public void testRels2() throws Exception
{
initializeStores( storeDir, stringMap() );
startTx();
int relType1 = (int) nextId( RelationshipType.class );
String typeName = "relationshiptype1";
transaction.relationshipTypeDoCreateForName( typeName, relType1 );
long[] nodeIds = new long[3];
for ( int i = 0; i < 3; i++ )
{
nodeIds[i] = nextId( Node.class );
transaction.nodeDoCreate( nodeIds[i] );
nodeAddProperty( nodeIds[i], index( "nisse" ), 10 - i );
}
for ( int i = 0; i < 2; i++ )
{
transaction.relationshipDoCreate( nextId( Relationship.class ),
relType1, nodeIds[i], nodeIds[i + 1] );
}
transaction.relationshipDoCreate( nextId( Relationship.class ),
relType1, nodeIds[0], nodeIds[2] );
commitTx();
startTx();
for ( int i = 0; i < 3; i++ )
{
deleteRelationships( nodeIds[i] );
transaction.nodeDoDelete( nodeIds[i] );
}
commitTx();
ds.stop();
}
@Test
public void testRels3() throws Exception
{
// test linked list stuff during relationship delete
initializeStores( storeDir, stringMap() );
startTx();
int relType1 = (int) nextId( RelationshipType.class );
transaction.relationshipTypeDoCreateForName( "relationshiptype1", relType1 );
long[] nodeIds = new long[8];
for ( int i = 0; i < nodeIds.length; i++ )
{
nodeIds[i] = nextId( Node.class );
transaction.nodeDoCreate( nodeIds[i] );
}
for ( int i = 0; i < nodeIds.length / 2; i++ )
{
transaction.relationshipDoCreate( nextId( Relationship.class ),
relType1, nodeIds[i], nodeIds[i * 2] );
}
long rel5 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel5, relType1, nodeIds[0], nodeIds[5] );
long rel2 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel2, relType1, nodeIds[1], nodeIds[2] );
long rel3 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel3, relType1, nodeIds[1], nodeIds[3] );
long rel6 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel6, relType1, nodeIds[1], nodeIds[6] );
long rel1 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel1, relType1, nodeIds[0], nodeIds[1] );
long rel4 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel4, relType1, nodeIds[0], nodeIds[4] );
long rel7 = nextId( Relationship.class );
transaction.relationshipDoCreate( rel7, relType1, nodeIds[0], nodeIds[7] );
commitTx();
startTx();
relDelete( rel7 );
relDelete( rel4 );
relDelete( rel1 );
relDelete( rel6 );
relDelete( rel3 );
relDelete( rel2 );
relDelete( rel5 );
commitTx();
ds.stop();
}
@Test
public void testProps1() throws Exception
{
initializeStores( storeDir, stringMap() );
startTx();
long nodeId = nextId( Node.class );
transaction.nodeDoCreate( nodeId );
pStore.nextId();
StorageProperty prop = nodeAddProperty( nodeId, index( "nisse" ), 10 );
commitTx();
ds.stop();
initializeStores( storeDir, stringMap() );
startTx();
StorageProperty prop2 = nodeAddProperty( nodeId, prop.propertyKeyId(), 5 );
transaction.nodeDoRemoveProperty( nodeId, prop2.propertyKeyId() );
transaction.nodeDoDelete( nodeId );
commitTx();
ds.stop();
}
@Test
public void testSetBlockSize() throws Exception
{
File storeDir = dir.directory( "small_store" );
initializeStores( storeDir, stringMap(
"unsupported.dbms.block_size.strings", "62",
"unsupported.dbms.block_size.array_properties", "302" ) );
assertEquals( 62 + DynamicRecordFormat.RECORD_HEADER_SIZE,
pStore.getStringStore().getRecordSize() );
assertEquals( 302 + DynamicRecordFormat.RECORD_HEADER_SIZE,
pStore.getArrayStore().getRecordSize() );
ds.stop();
}
@Test
public void setVersion() throws Exception
{
FileSystemAbstraction fileSystem = fs.get();
File storeDir = new File( "target/test-data/set-version" ).getAbsoluteFile();
createTestDatabase( fileSystem, storeDir ).shutdown();
assertEquals( 0, MetaDataStore.setRecord( pageCache, new File( storeDir,
MetaDataStore.DEFAULT_NAME ).getAbsoluteFile(), Position.LOG_VERSION, 10 ) );
assertEquals( 10, MetaDataStore.setRecord( pageCache, new File( storeDir,
MetaDataStore.DEFAULT_NAME ).getAbsoluteFile(), Position.LOG_VERSION, 12 ) );
Config config = Config.defaults();
StoreFactory sf = new StoreFactory( storeDir, config, new DefaultIdGeneratorFactory( fileSystem ), pageCache,
fileSystem, LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
NeoStores neoStores = sf.openAllNeoStores();
assertEquals( 12, neoStores.getMetaDataStore().getCurrentLogVersion() );
neoStores.close();
}
@Test
public void shouldNotReadNonRecordDataAsRecord() throws Exception
{
FileSystemAbstraction fileSystem = fs.get();
File neoStoreDir = new File( "/tmp/graph.db/neostore" ).getAbsoluteFile();
StoreFactory factory = newStoreFactory( neoStoreDir, pageCache, fileSystem );
long recordVersion = defaultStoreVersion();
try ( NeoStores neoStores = factory.openAllNeoStores( true ) )
{
MetaDataStore metaDataStore = neoStores.getMetaDataStore();
metaDataStore.setCreationTime( 3 );
metaDataStore.setRandomNumber( 4 );
metaDataStore.setCurrentLogVersion( 5 );
metaDataStore.setLastCommittedAndClosedTransactionId( 6, 0, 0, 43, 44 );
metaDataStore.setStoreVersion( recordVersion );
metaDataStore.setGraphNextProp( 8 );
metaDataStore.setLatestConstraintIntroducingTx( 9 );
}
File file = new File( neoStoreDir, MetaDataStore.DEFAULT_NAME );
try ( StoreChannel channel = fileSystem.open( file, OpenMode.READ_WRITE ) )
{
channel.position( 0 );
channel.write( ByteBuffer.wrap( UTF8.encode( "This is some data that is not a record." ) ) );
}
MetaDataStore.setRecord( pageCache, file, Position.STORE_VERSION, recordVersion );
try ( NeoStores neoStores = factory.openAllNeoStores() )
{
MetaDataStore metaDataStore = neoStores.getMetaDataStore();
assertEquals( FIELD_NOT_PRESENT, metaDataStore.getCreationTime() );
assertEquals( FIELD_NOT_PRESENT, metaDataStore.getRandomNumber() );
assertEquals( FIELD_NOT_PRESENT, metaDataStore.getCurrentLogVersion() );
assertEquals( FIELD_NOT_PRESENT, metaDataStore.getLastCommittedTransactionId() );
assertEquals( FIELD_NOT_PRESENT, metaDataStore.getLastClosedTransactionId() );
assertEquals( recordVersion, metaDataStore.getStoreVersion() );
assertEquals( 8, metaDataStore.getGraphNextProp() );
assertEquals( 9, metaDataStore.getLatestConstraintIntroducingTx() );
assertArrayEquals( metaDataStore.getLastClosedTransaction(), new long[]{FIELD_NOT_PRESENT,44,43} );
}
}
@Test
public void testSetLatestConstraintTx()
{
// given
Config config = Config.defaults();
StoreFactory sf = new StoreFactory( dir.directory(), config, new DefaultIdGeneratorFactory( fs.get() ),
pageCacheRule.getPageCache( fs.get() ), fs.get(), LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
// when
NeoStores neoStores = sf.openAllNeoStores( true );
MetaDataStore metaDataStore = neoStores.getMetaDataStore();
// then the default is 0
assertEquals( 0L, metaDataStore.getLatestConstraintIntroducingTx() );
// when
metaDataStore.setLatestConstraintIntroducingTx( 10L );
// then
assertEquals( 10L, metaDataStore.getLatestConstraintIntroducingTx() );
// when
neoStores.flush( IOLimiter.unlimited() );
neoStores.close();
neoStores = sf.openAllNeoStores();
// then the value should have been stored
assertEquals( 10L, neoStores.getMetaDataStore().getLatestConstraintIntroducingTx() );
neoStores.close();
}
@Test
public void shouldInitializeTheTxIdToOne()
{
StoreFactory factory =
new StoreFactory(
new File( "graph.db/neostore" ), Config.defaults(), new DefaultIdGeneratorFactory( fs.get() ),
pageCache, fs.get(),
LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
try ( NeoStores neoStores = factory.openAllNeoStores( true ) )
{
neoStores.getMetaDataStore();
}
try ( NeoStores neoStores = factory.openAllNeoStores() )
{
long lastCommittedTransactionId = neoStores.getMetaDataStore().getLastCommittedTransactionId();
assertEquals( TransactionIdStore.BASE_TX_ID, lastCommittedTransactionId );
}
}
@Test
public void shouldThrowUnderlyingStorageExceptionWhenFailingToLoadStorage()
{
FileSystemAbstraction fileSystem = fs.get();
File neoStoreDir = new File( "/tmp/graph.db/neostore" ).getAbsoluteFile();
StoreFactory factory = new StoreFactory(
neoStoreDir, Config.defaults(), new DefaultIdGeneratorFactory( fileSystem ), pageCache, fileSystem,
LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
try ( NeoStores neoStores = factory.openAllNeoStores( true ) )
{
neoStores.getMetaDataStore();
}
File file = new File( neoStoreDir, MetaDataStore.DEFAULT_NAME );
fileSystem.deleteFile( file );
exception.expect( StoreNotFoundException.class );
try ( NeoStores neoStores = factory.openAllNeoStores() )
{
neoStores.getMetaDataStore();
}
}
@Test
public void shouldAddUpgradeFieldsToTheNeoStoreIfNotPresent() throws IOException
{
FileSystemAbstraction fileSystem = fs.get();
File neoStoreDir = new File( "/tmp/graph.db/neostore" ).getAbsoluteFile();
StoreFactory factory = newStoreFactory( neoStoreDir, pageCache, fileSystem );
long recordVersion = defaultStoreVersion();
try ( NeoStores neoStores = factory.openAllNeoStores( true ) )
{
MetaDataStore metaDataStore = neoStores.getMetaDataStore();
metaDataStore.setCreationTime( 3 );
metaDataStore.setRandomNumber( 4 );
metaDataStore.setCurrentLogVersion( 5 );
metaDataStore.setLastCommittedAndClosedTransactionId( 6, 42, BASE_TX_COMMIT_TIMESTAMP, 43, 44 );
metaDataStore.setStoreVersion( recordVersion );
metaDataStore.setGraphNextProp( 8 );
metaDataStore.setLatestConstraintIntroducingTx( 9 );
}
File file = new File( neoStoreDir, MetaDataStore.DEFAULT_NAME );
assertNotEquals( 10, MetaDataStore.getRecord( pageCache, file, Position.UPGRADE_TRANSACTION_ID ) );
assertNotEquals( 11, MetaDataStore.getRecord( pageCache, file, Position.UPGRADE_TRANSACTION_CHECKSUM ) );
MetaDataStore.setRecord( pageCache, file, Position.UPGRADE_TRANSACTION_ID, 10 );
MetaDataStore.setRecord( pageCache, file, Position.UPGRADE_TRANSACTION_CHECKSUM, 11 );
MetaDataStore.setRecord( pageCache, file, Position.UPGRADE_TIME, 12 );
try ( NeoStores neoStores = factory.openAllNeoStores() )
{
MetaDataStore metaDataStore = neoStores.getMetaDataStore();
assertEquals( 3, metaDataStore.getCreationTime() );
assertEquals( 4, metaDataStore.getRandomNumber() );
assertEquals( 5, metaDataStore.getCurrentLogVersion() );
assertEquals( 6, metaDataStore.getLastCommittedTransactionId() );
assertEquals( recordVersion, metaDataStore.getStoreVersion() );
assertEquals( 8, metaDataStore.getGraphNextProp() );
assertEquals( 9, metaDataStore.getLatestConstraintIntroducingTx() );
assertEquals( new TransactionId( 10, 11, BASE_TX_COMMIT_TIMESTAMP ),
metaDataStore.getUpgradeTransaction() );
assertEquals( 12, metaDataStore.getUpgradeTime() );
assertArrayEquals( metaDataStore.getLastClosedTransaction(), new long[]{6,44,43} );
}
MetaDataStore.setRecord( pageCache, file, Position.UPGRADE_TRANSACTION_COMMIT_TIMESTAMP, 13 );
try ( NeoStores neoStores = factory.openAllNeoStores() )
{
MetaDataStore metaDataStore = neoStores.getMetaDataStore();
assertEquals( new TransactionId( 10, 11, 13 ),
metaDataStore.getUpgradeTransaction() );
}
}
@Test
public void shouldSetHighestTransactionIdWhenNeeded() throws Throwable
{
// GIVEN
FileSystemAbstraction fileSystem = fs.get();
fileSystem.mkdirs( storeDir );
StoreFactory factory = new StoreFactory(
storeDir, Config.defaults(), new DefaultIdGeneratorFactory( fileSystem ), pageCache, fileSystem,
LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
try ( NeoStores neoStore = factory.openAllNeoStores( true ) )
{
MetaDataStore store = neoStore.getMetaDataStore();
store.setLastCommittedAndClosedTransactionId( 40, 4444, BASE_TX_COMMIT_TIMESTAMP,
LogHeader.LOG_HEADER_SIZE, 0 );
// WHEN
store.transactionCommitted( 42, 6666, BASE_TX_COMMIT_TIMESTAMP );
// THEN
assertEquals( new TransactionId( 42, 6666, BASE_TX_COMMIT_TIMESTAMP ),
store.getLastCommittedTransaction() );
assertArrayEquals( store.getLastClosedTransaction(), new long[]{40,0,LogHeader.LOG_HEADER_SIZE} );
}
}
@Test
public void shouldNotSetHighestTransactionIdWhenNeeded() throws Throwable
{
// GIVEN
FileSystemAbstraction fileSystem = fs.get();
fileSystem.mkdirs( storeDir );
StoreFactory factory = new StoreFactory(
storeDir, Config.defaults(), new DefaultIdGeneratorFactory( fileSystem ), pageCache, fileSystem,
LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
try ( NeoStores neoStore = factory.openAllNeoStores( true ) )
{
MetaDataStore store = neoStore.getMetaDataStore();
store.setLastCommittedAndClosedTransactionId( 40, 4444, BASE_TX_COMMIT_TIMESTAMP,
LogHeader.LOG_HEADER_SIZE, 0 );
// WHEN
store.transactionCommitted( 39, 3333, BASE_TX_COMMIT_TIMESTAMP );
// THEN
assertEquals( new TransactionId( 40, 4444, BASE_TX_COMMIT_TIMESTAMP ),
store.getLastCommittedTransaction() );
assertArrayEquals( store.getLastClosedTransaction(), new long[]{40,0,LogHeader.LOG_HEADER_SIZE} );
}
}
@Test
public void shouldCloseAllTheStoreEvenIfExceptionsAreThrown() throws Exception
{
// given
FileSystemAbstraction fileSystem = fs.get();
Config defaults = Config.defaults( counts_store_rotation_timeout, "60m" );
StoreFactory factory =
new StoreFactory( storeDir, defaults, new DefaultIdGeneratorFactory( fileSystem ), pageCache,
fileSystem, LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
NeoStores neoStore = factory.openAllNeoStores( true );
// let's hack the counts store so it fails to rotate and hence it fails to close as well...
final CountsTracker counts = neoStore.getCounts();
counts.start();
long nextTxId = neoStore.getMetaDataStore().getLastCommittedTransactionId() + 1;
AtomicReference<Throwable> exRef = new AtomicReference<>();
Thread thread = new Thread( () ->
{
try
{
counts.rotate( nextTxId );
}
catch ( InterruptedIOException e )
{
// expected due to the interrupted below
}
catch ( Throwable e )
{
exRef.set( e );
throw new RuntimeException( e );
}
} );
thread.start();
// let's wait for the thread to start waiting for the next transaction id
ThreadTestUtils.awaitThreadState( thread, TimeUnit.SECONDS.toMillis( 5 ), Thread.State.TIMED_WAITING,
Thread.State.WAITING );
try
{
// when we close the stores...
neoStore.close();
fail( "should have thrown2" );
}
catch ( IllegalStateException ex )
{
// then
assertEquals( "Cannot stop in state: rotating", ex.getMessage() );
}
thread.interrupt();
thread.join();
// and the page cache closes with no errors
pageCache.close();
// and only InterruptedIOException is thrown in the other thread
assertNull( exRef.get() );
}
@Test
public void isPresentAfterCreatingAllStores() throws Exception
{
// given
FileSystemAbstraction fileSystem = fs.get();
fileSystem.deleteRecursively( storeDir );
DefaultIdGeneratorFactory idFactory = new DefaultIdGeneratorFactory( fileSystem );
StoreFactory factory = new StoreFactory( storeDir, Config.defaults(), idFactory, pageCache, fileSystem,
LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
// when
try ( NeoStores ignore = factory.openAllNeoStores( true ) )
{
// then
assertTrue( NeoStores.isStorePresent( pageCache, storeDir ) );
}
}
@Test
public void isPresentFalseAfterCreatingAllButLastStoreType() throws Exception
{
// given
FileSystemAbstraction fileSystem = fs.get();
fileSystem.deleteRecursively( storeDir );
DefaultIdGeneratorFactory idFactory = new DefaultIdGeneratorFactory( fileSystem );
StoreFactory factory = new StoreFactory( storeDir, Config.defaults(), idFactory, pageCache, fileSystem,
LOG_PROVIDER, EmptyVersionContextSupplier.EMPTY );
StoreType[] allStoreTypes = StoreType.values();
StoreType[] allButLastStoreTypes = Arrays.copyOf( allStoreTypes, allStoreTypes.length - 1 );
// when
try ( NeoStores ignore = factory.openNeoStores( true, allButLastStoreTypes ) )
{
// then
assertFalse( NeoStores.isStorePresent( pageCache, storeDir ) );
}
}
private static class MyPropertyKeyToken extends Token
{
private static Map<String,Token> stringToIndex = new HashMap<>();
private static Map<Integer,Token> intToIndex = new HashMap<>();
protected MyPropertyKeyToken( String key, int keyId )
{
super( key, keyId );
}
public static Iterable<Token> index( String key )
{
if ( stringToIndex.containsKey( key ) )
{
return Collections.singletonList( stringToIndex.get( key ) );
}
return Collections.emptyList();
}
public static Token getIndexFor( int index )
{
return intToIndex.get( index );
}
public static void add( MyPropertyKeyToken index )
{
stringToIndex.put( index.name(), index );
intToIndex.put( index.id(), index );
}
}
private static long defaultStoreVersion()
{
return MetaDataStore.versionStringToLong( RecordFormatSelector.defaultFormat().storeVersion() );
}
private static StoreFactory newStoreFactory( File neoStoreDir, PageCache pageCache, FileSystemAbstraction fs )
{
RecordFormats recordFormats = RecordFormatSelector.defaultFormat();
Config config = Config.defaults();
IdGeneratorFactory idGeneratorFactory = new DefaultIdGeneratorFactory( fs );
return new StoreFactory( neoStoreDir, config, idGeneratorFactory, pageCache, fs, recordFormats, LOG_PROVIDER,
EmptyVersionContextSupplier.EMPTY );
}
private Token createDummyIndex( int id, String key )
{
MyPropertyKeyToken index = new MyPropertyKeyToken( key, id );
MyPropertyKeyToken.add( index );
return index;
}
private void initializeStores( File storeDir, Map<String,String> additionalConfig ) throws IOException
{
Dependencies dependencies = new Dependencies();
dependencies.satisfyDependency( Config.defaults( additionalConfig ) );
ds = dsRule.getDataSource( storeDir, fs.get(), pageCache, dependencies );
ds.init();
ds.start();
NeoStores neoStores = ds.getDependencyResolver()
.resolveDependency( RecordStorageEngine.class ).testAccessNeoStores();
pStore = neoStores.getPropertyStore();
rtStore = neoStores.getRelationshipTypeTokenStore();
storeLayer = ds.getStoreLayer();
propertyLoader = new PropertyLoader( neoStores );
}
private void startTx() throws TransactionFailureException
{
tx = ds.getKernel().newTransaction( KernelTransaction.Type.implicit, AUTH_DISABLED );
transaction = ((KernelTransactionImplementation) tx).txState();
}
private void commitTx() throws TransactionFailureException
{
tx.success();
tx.close();
}
private int index( String key )
{
Iterator<Token> itr = MyPropertyKeyToken.index( key ).iterator();
if ( !itr.hasNext() )
{
int id = (int) nextId( PropertyKeyTokenRecord.class );
createDummyIndex( id, key );
transaction.propertyKeyDoCreateForName( key, id );
return id;
}
return itr.next().id();
}
private long nextId( Class<?> clazz )
{
NeoStores neoStores = ds.getDependencyResolver()
.resolveDependency( RecordStorageEngine.class ).testAccessNeoStores();
if ( clazz.equals( PropertyKeyTokenRecord.class ) )
{
return neoStores.getPropertyKeyTokenStore().nextId();
}
if ( clazz.equals( RelationshipType.class ) )
{
return neoStores.getRelationshipTypeTokenStore().nextId();
}
if ( clazz.equals( Node.class ) )
{
return neoStores.getNodeStore().nextId();
}
if ( clazz.equals( Relationship.class ) )
{
return neoStores.getRelationshipStore().nextId();
}
throw new IllegalArgumentException( clazz.getName() );
}
private void validateNodeRel1( final long node, StorageProperty prop1,
StorageProperty prop2, StorageProperty prop3, long rel1, long rel2,
final int relType1, final int relType2 ) throws IOException
{
assertTrue( nodeExists( node ) );
Map<Integer,Pair<StorageProperty,Long>> props = new HashMap<>();
PropertyReceiver<StorageProperty> receiver = newPropertyReceiver( props );
propertyLoader.nodeLoadProperties( node, receiver );
int count = 0;
for ( int keyId : props.keySet() )
{
long id = props.get( keyId ).other();
PropertyRecord record = getRecord( pStore, id );
PropertyBlock block = record.getPropertyBlock( props.get( keyId ).first().propertyKeyId() );
StorageProperty data = block.newPropertyKeyValue( pStore );
if ( data.propertyKeyId() == prop1.propertyKeyId() )