sanpwc commented on code in PR #5187: URL: https://github.com/apache/ignite-3/pull/5187#discussion_r1948994643
########## modules/partition-replicator/src/main/java/org/apache/ignite/internal/partition/replicator/TxFinishReplicaRequestHandler.java: ########## @@ -0,0 +1,337 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.internal.partition.replicator; + +import static java.util.concurrent.CompletableFuture.completedFuture; +import static org.apache.ignite.internal.lang.IgniteStringFormatter.format; +import static org.apache.ignite.internal.replicator.message.ReplicaMessageUtils.toTablePartitionIdMessage; +import static org.apache.ignite.internal.tx.TxState.ABORTED; +import static org.apache.ignite.internal.tx.TxState.COMMITTED; +import static org.apache.ignite.internal.tx.TxState.isFinalState; +import static org.apache.ignite.lang.ErrorGroups.Transactions.TX_COMMIT_ERR; +import static org.apache.ignite.lang.ErrorGroups.Transactions.TX_ROLLBACK_ERR; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.UUID; +import java.util.concurrent.CompletableFuture; +import org.apache.ignite.internal.catalog.CatalogService; +import org.apache.ignite.internal.hlc.ClockService; +import org.apache.ignite.internal.hlc.HybridTimestamp; +import org.apache.ignite.internal.logger.IgniteLogger; +import org.apache.ignite.internal.logger.Loggers; +import org.apache.ignite.internal.partition.replicator.network.PartitionReplicationMessagesFactory; +import org.apache.ignite.internal.partition.replicator.network.command.FinishTxCommandBuilder; +import org.apache.ignite.internal.partition.replicator.raft.UnexpectedTransactionStateException; +import org.apache.ignite.internal.partition.replicator.schema.ValidationSchemasSource; +import org.apache.ignite.internal.partition.replicator.schemacompat.CompatValidationResult; +import org.apache.ignite.internal.partition.replicator.schemacompat.SchemaCompatibilityValidator; +import org.apache.ignite.internal.raft.service.RaftCommandRunner; +import org.apache.ignite.internal.replicator.ReplicationGroupId; +import org.apache.ignite.internal.replicator.TablePartitionId; +import org.apache.ignite.internal.replicator.message.ReplicaMessagesFactory; +import org.apache.ignite.internal.replicator.message.TablePartitionIdMessage; +import org.apache.ignite.internal.schema.SchemaSyncService; +import org.apache.ignite.internal.tx.IncompatibleSchemaAbortException; +import org.apache.ignite.internal.tx.MismatchingTransactionOutcomeInternalException; +import org.apache.ignite.internal.tx.TransactionResult; +import org.apache.ignite.internal.tx.TxManager; +import org.apache.ignite.internal.tx.TxMeta; +import org.apache.ignite.internal.tx.message.TxFinishReplicaRequest; +import org.apache.ignite.internal.tx.storage.state.TxStatePartitionStorage; +import org.apache.ignite.tx.TransactionException; +import org.jetbrains.annotations.Nullable; + +/** + * Handles {@link TxFinishReplicaRequest}. + */ +public class TxFinishReplicaRequestHandler { + private static final IgniteLogger LOG = Loggers.forClass(TxFinishReplicaRequestHandler.class); + + /** Factory to create RAFT command messages. */ + private static final PartitionReplicationMessagesFactory PARTITION_REPLICATION_MESSAGES_FACTORY = + new PartitionReplicationMessagesFactory(); + + /** Factory for creating replica command messages. */ + private static final ReplicaMessagesFactory REPLICA_MESSAGES_FACTORY = new ReplicaMessagesFactory(); + + private final TxStatePartitionStorage txStatePartitionStorage; + private final ClockService clockService; + private final TxManager txManager; + private final ReplicationGroupId replicationGroupId; + + private final SchemaCompatibilityValidator schemaCompatValidator; + private final ReliableCatalogVersions reliableCatalogVersions; + private final ReplicationRaftCommandApplicator raftCommandApplicator; + private final ReplicaTxFinisher replicaTxFinisher; + + + /** Constructor. */ + public TxFinishReplicaRequestHandler( + TxStatePartitionStorage txStatePartitionStorage, + ClockService clockService, + TxManager txManager, + ValidationSchemasSource validationSchemasSource, + SchemaSyncService schemaSyncService, + CatalogService catalogService, + RaftCommandRunner raftCommandRunner, + ReplicationGroupId replicationGroupId + ) { + this.txStatePartitionStorage = txStatePartitionStorage; + this.clockService = clockService; + this.txManager = txManager; + this.replicationGroupId = replicationGroupId; + + schemaCompatValidator = new SchemaCompatibilityValidator(validationSchemasSource, catalogService, schemaSyncService); + reliableCatalogVersions = new ReliableCatalogVersions(schemaSyncService, catalogService); + raftCommandApplicator = new ReplicationRaftCommandApplicator(raftCommandRunner, replicationGroupId); + replicaTxFinisher = new ReplicaTxFinisher(txManager); + } + + /** + * Processes transaction finish request. + * <ol> + * <li>Get commit timestamp from finish replica request.</li> + * <li>If attempting a commit, validate commit (and, if not valid, switch to abort)</li> + * <li>Run specific raft {@code FinishTxCommand} command, that will apply txn state to corresponding txStateStorage.</li> + * <li>Send cleanup requests to all enlisted primary replicas.</li> + * </ol> + * + * @param request Transaction finish request. + * @return future result of the operation. + */ + public CompletableFuture<TransactionResult> processTxFinishAction(TxFinishReplicaRequest request) { Review Comment: handle? -- This is an automated message from the Apache Git Service. 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