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enterprise/core-edge/src/main/java/org/neo4j/coreedge/CoreStateMachinesModule.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 Affero 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 Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.coreedge; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.function.Supplier; | ||
|
|
||
| import org.neo4j.coreedge.catchup.storecopy.LocalDatabase; | ||
| import org.neo4j.coreedge.raft.LeaderLocator; | ||
| import org.neo4j.coreedge.raft.replication.RaftReplicator; | ||
| import org.neo4j.coreedge.raft.replication.Replicator; | ||
| import org.neo4j.coreedge.raft.replication.id.ReplicatedIdAllocationStateMachine; | ||
| import org.neo4j.coreedge.raft.replication.id.ReplicatedIdGeneratorFactory; | ||
| import org.neo4j.coreedge.raft.replication.id.ReplicatedIdRangeAcquirer; | ||
| import org.neo4j.coreedge.raft.replication.token.ReplicatedLabelTokenHolder; | ||
| import org.neo4j.coreedge.raft.replication.token.ReplicatedPropertyKeyTokenHolder; | ||
| import org.neo4j.coreedge.raft.replication.token.ReplicatedRelationshipTypeTokenHolder; | ||
| import org.neo4j.coreedge.raft.replication.token.ReplicatedTokenStateMachine; | ||
| import org.neo4j.coreedge.raft.replication.token.TokenRegistry; | ||
| import org.neo4j.coreedge.raft.replication.tx.ReplicatedTransactionCommitProcess; | ||
| import org.neo4j.coreedge.raft.replication.tx.ReplicatedTransactionStateMachine; | ||
| import org.neo4j.coreedge.raft.state.CoreStateMachines; | ||
| import org.neo4j.coreedge.raft.state.DurableStateStorage; | ||
| import org.neo4j.coreedge.raft.state.StateStorage; | ||
| import org.neo4j.coreedge.raft.state.id_allocation.IdAllocationState; | ||
| import org.neo4j.coreedge.server.CoreEdgeClusterSettings; | ||
| import org.neo4j.coreedge.server.CoreMember; | ||
| import org.neo4j.coreedge.server.core.RecoverTransactionLogState; | ||
| import org.neo4j.coreedge.server.core.locks.LeaderOnlyLockManager; | ||
| import org.neo4j.coreedge.server.core.locks.ReplicatedLockTokenState; | ||
| import org.neo4j.coreedge.server.core.locks.ReplicatedLockTokenStateMachine; | ||
| import org.neo4j.io.fs.FileSystemAbstraction; | ||
| import org.neo4j.kernel.configuration.Config; | ||
| import org.neo4j.kernel.impl.api.CommitProcessFactory; | ||
| import org.neo4j.kernel.impl.api.TransactionRepresentationCommitProcess; | ||
| import org.neo4j.kernel.impl.core.LabelTokenHolder; | ||
| import org.neo4j.kernel.impl.core.PropertyKeyTokenHolder; | ||
| import org.neo4j.kernel.impl.core.RelationshipTypeToken; | ||
| import org.neo4j.kernel.impl.core.RelationshipTypeTokenHolder; | ||
| import org.neo4j.kernel.impl.enterprise.id.EnterpriseIdTypeConfigurationProvider; | ||
| import org.neo4j.kernel.impl.factory.CommunityEditionModule; | ||
| import org.neo4j.kernel.impl.factory.PlatformModule; | ||
| import org.neo4j.kernel.impl.locking.Locks; | ||
| import org.neo4j.kernel.impl.logging.LogService; | ||
| import org.neo4j.kernel.impl.store.id.IdGeneratorFactory; | ||
| import org.neo4j.kernel.impl.store.id.configuration.IdTypeConfigurationProvider; | ||
| import org.neo4j.kernel.impl.store.stats.IdBasedStoreEntityCounters; | ||
| import org.neo4j.kernel.impl.util.Dependencies; | ||
| import org.neo4j.kernel.internal.DatabaseHealth; | ||
| import org.neo4j.kernel.lifecycle.LifeSupport; | ||
| import org.neo4j.logging.LogProvider; | ||
| import org.neo4j.storageengine.api.Token; | ||
|
|
||
| public class CoreStateMachinesModule | ||
| { | ||
| public final IdGeneratorFactory idGeneratorFactory; | ||
| public final IdTypeConfigurationProvider idTypeConfigurationProvider; | ||
| public final LabelTokenHolder labelTokenHolder; | ||
| public final PropertyKeyTokenHolder propertyKeyTokenHolder; | ||
| public final RelationshipTypeTokenHolder relationshipTypeTokenHolder; | ||
| public final Locks lockManager; | ||
| public final CommitProcessFactory commitProcessFactory; | ||
|
|
||
| public final ReplicatedIdGeneratorFactory replicatedIdGeneratorFactory; | ||
| public final CoreStateMachines coreStateMachines; | ||
|
|
||
| public CoreStateMachinesModule( CoreMember myself, PlatformModule platformModule, File clusterStateDirectory, | ||
| Supplier<DatabaseHealth> databaseHealthSupplier, Config config, | ||
| RaftReplicator replicator, LeaderLocator leaderLocator, | ||
| Dependencies dependencies, LocalDatabase localDatabase ) | ||
| { | ||
| StateStorage<IdAllocationState> idAllocationState; | ||
| StateStorage<ReplicatedLockTokenState> lockTokenState; | ||
| final LifeSupport life = platformModule.life; | ||
| final FileSystemAbstraction fileSystem = platformModule.fileSystem; | ||
| LogService logging = platformModule.logging; | ||
| LogProvider logProvider = logging.getInternalLogProvider(); | ||
|
|
||
| try | ||
| { | ||
| lockTokenState = life.add( | ||
| new DurableStateStorage<>( fileSystem, new File( clusterStateDirectory, "lock-token-state" ), | ||
| "lock-token", new ReplicatedLockTokenState.Marshal( new CoreMember.CoreMemberMarshal() ), | ||
| config.get( CoreEdgeClusterSettings.replicated_lock_token_state_size ), | ||
| databaseHealthSupplier, logProvider ) ); | ||
|
|
||
| idAllocationState = life.add( | ||
| new DurableStateStorage<>( fileSystem, new File( clusterStateDirectory, "id-allocation-state" ), | ||
| "id-allocation", new IdAllocationState.Marshal(), | ||
| config.get( CoreEdgeClusterSettings.id_alloc_state_size ), databaseHealthSupplier, | ||
| logProvider ) ); | ||
| } | ||
| catch ( IOException e ) | ||
| { | ||
| throw new RuntimeException( e ); | ||
| } | ||
|
|
||
| ReplicatedIdAllocationStateMachine idAllocationStateMachine = | ||
| new ReplicatedIdAllocationStateMachine( idAllocationState ); | ||
|
|
||
| int allocationChunk = 1024; // TODO: AllocationChunk should be configurable and per type. | ||
| ReplicatedIdRangeAcquirer idRangeAcquirer = | ||
| new ReplicatedIdRangeAcquirer( replicator, idAllocationStateMachine, allocationChunk, myself, | ||
| logProvider ); | ||
|
|
||
| idTypeConfigurationProvider = new EnterpriseIdTypeConfigurationProvider( config ); | ||
| replicatedIdGeneratorFactory = createIdGeneratorFactory( fileSystem, idRangeAcquirer, logProvider, | ||
| idTypeConfigurationProvider ); | ||
|
|
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| this.idGeneratorFactory = dependencies.satisfyDependency( replicatedIdGeneratorFactory ); | ||
| dependencies.satisfyDependency( new IdBasedStoreEntityCounters( this.idGeneratorFactory ) ); | ||
|
|
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| Long tokenCreationTimeout = config.get( CoreEdgeClusterSettings.token_creation_timeout ); | ||
|
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| TokenRegistry<RelationshipTypeToken> relationshipTypeTokenRegistry = new TokenRegistry<>( "RelationshipType" ); | ||
| ReplicatedRelationshipTypeTokenHolder relationshipTypeTokenHolder = | ||
| new ReplicatedRelationshipTypeTokenHolder( relationshipTypeTokenRegistry, replicator, | ||
| this.idGeneratorFactory, dependencies, tokenCreationTimeout ); | ||
|
|
||
| TokenRegistry<Token> propertyKeyTokenRegistry = new TokenRegistry<>( "PropertyKey" ); | ||
| ReplicatedPropertyKeyTokenHolder propertyKeyTokenHolder = | ||
| new ReplicatedPropertyKeyTokenHolder( propertyKeyTokenRegistry, replicator, this.idGeneratorFactory, | ||
| dependencies, tokenCreationTimeout ); | ||
|
|
||
| TokenRegistry<Token> labelTokenRegistry = new TokenRegistry<>( "Label" ); | ||
| ReplicatedLabelTokenHolder labelTokenHolder = | ||
| new ReplicatedLabelTokenHolder( labelTokenRegistry, replicator, this.idGeneratorFactory, dependencies, | ||
| tokenCreationTimeout ); | ||
|
|
||
| ReplicatedLockTokenStateMachine replicatedLockTokenStateMachine = | ||
| new ReplicatedLockTokenStateMachine( lockTokenState ); | ||
|
|
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| RecoverTransactionLogState txLogState = new RecoverTransactionLogState( dependencies, logProvider ); | ||
|
|
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| ReplicatedTokenStateMachine<Token> labelTokenStateMachine = | ||
| new ReplicatedTokenStateMachine<>( labelTokenRegistry, new Token.Factory(), logProvider ); | ||
|
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| ReplicatedTokenStateMachine<Token> propertyKeyTokenStateMachine = | ||
| new ReplicatedTokenStateMachine<>( propertyKeyTokenRegistry, new Token.Factory(), logProvider ); | ||
|
|
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| ReplicatedTokenStateMachine<RelationshipTypeToken> relationshipTypeTokenStateMachine = | ||
| new ReplicatedTokenStateMachine<>( relationshipTypeTokenRegistry, new RelationshipTypeToken.Factory(), | ||
| logProvider ); | ||
|
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| ReplicatedTransactionStateMachine replicatedTxStateMachine = | ||
| new ReplicatedTransactionStateMachine( replicatedLockTokenStateMachine, | ||
| config.get( CoreEdgeClusterSettings.state_machine_apply_max_batch_size ), logProvider ); | ||
|
|
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| dependencies.satisfyDependencies( replicatedTxStateMachine ); | ||
|
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| long leaderLockTokenTimeout = config.get( CoreEdgeClusterSettings.leader_lock_token_timeout ); | ||
| lockManager = createLockManager( config, logging, replicator, myself, leaderLocator, leaderLockTokenTimeout, | ||
| replicatedLockTokenStateMachine ); | ||
|
|
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| coreStateMachines = new CoreStateMachines( replicatedTxStateMachine, labelTokenStateMachine, | ||
| relationshipTypeTokenStateMachine, propertyKeyTokenStateMachine, replicatedLockTokenStateMachine, | ||
| idAllocationStateMachine, txLogState, localDatabase ); | ||
|
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| commitProcessFactory = ( appender, applier, ignored ) -> { | ||
| TransactionRepresentationCommitProcess localCommit = | ||
| new TransactionRepresentationCommitProcess( appender, applier ); | ||
| coreStateMachines.refresh( localCommit ); // This gets called when a core-to-core download is performed. | ||
| return new ReplicatedTransactionCommitProcess( replicator ); | ||
| }; | ||
|
|
||
| this.relationshipTypeTokenHolder = relationshipTypeTokenHolder; | ||
| this.propertyKeyTokenHolder = propertyKeyTokenHolder; | ||
| this.labelTokenHolder = labelTokenHolder; | ||
| } | ||
|
|
||
| private ReplicatedIdGeneratorFactory createIdGeneratorFactory( | ||
| FileSystemAbstraction fileSystem, | ||
| final ReplicatedIdRangeAcquirer idRangeAcquirer, | ||
| final LogProvider logProvider, | ||
| IdTypeConfigurationProvider idTypeConfigurationProvider ) | ||
| { | ||
| return new ReplicatedIdGeneratorFactory( fileSystem, idRangeAcquirer, logProvider, | ||
| idTypeConfigurationProvider ); | ||
| } | ||
|
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| private Locks createLockManager( final Config config, final LogService logging, final Replicator replicator, | ||
| CoreMember myself, LeaderLocator leaderLocator, long leaderLockTokenTimeout, | ||
| ReplicatedLockTokenStateMachine lockTokenStateMachine ) | ||
| { | ||
| Locks localLocks = CommunityEditionModule.createLockManager( config, logging ); | ||
|
|
||
| return new LeaderOnlyLockManager( myself, replicator, leaderLocator, localLocks, leaderLockTokenTimeout, | ||
| lockTokenStateMachine ); | ||
| } | ||
| } |
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