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/*
 * Copyright 2019 Google LLC
 *
 * Licensed 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 com.google.cloud.spanner.connection;

import com.google.cloud.spanner.Statement;
import com.google.cloud.spanner.TimestampBound;
import com.google.cloud.spanner.connection.PgTransactionMode.IsolationLevel;
import com.google.protobuf.Duration;
import com.google.spanner.v1.DirectedReadOptions;
import com.google.spanner.v1.RequestOptions.Priority;

/**
 * The Cloud Spanner JDBC driver supports a number of client side statements that are interpreted by
 * the driver and that can modify the current state of a connection, or report the current state of
 * a connection. Each of the methods in this interface correspond with one such client side
 * statement.
 *
 * 

The methods in this interface are called by the different {@link ClientSideStatement}s. These * method calls are then forwarded into the appropriate method of a {@link Connection} instance. * *

The client side statements are defined in the ClientSideStatements.json file. */ interface ConnectionStatementExecutor { StatementResult statementSetAutocommit(Boolean autocommit); StatementResult statementShowAutocommit(); StatementResult statementSetReadOnly(Boolean readOnly); StatementResult statementShowReadOnly(); StatementResult statementSetRetryAbortsInternally(Boolean retryAbortsInternally); StatementResult statementShowRetryAbortsInternally(); StatementResult statementSetAutocommitDmlMode(AutocommitDmlMode mode); StatementResult statementShowAutocommitDmlMode(); StatementResult statementSetStatementTimeout(Duration duration); StatementResult statementShowStatementTimeout(); StatementResult statementShowReadTimestamp(); StatementResult statementShowCommitTimestamp(); StatementResult statementShowCommitResponse(); StatementResult statementSetReadOnlyStaleness(TimestampBound staleness); StatementResult statementShowReadOnlyStaleness(); StatementResult statementSetDirectedRead(DirectedReadOptions directedReadOptions); StatementResult statementShowDirectedRead(); StatementResult statementSetOptimizerVersion(String optimizerVersion); StatementResult statementShowOptimizerVersion(); StatementResult statementSetOptimizerStatisticsPackage(String optimizerStatisticsPackage); StatementResult statementShowOptimizerStatisticsPackage(); StatementResult statementSetReturnCommitStats(Boolean returnCommitStats); StatementResult statementShowReturnCommitStats(); StatementResult statementSetMaxCommitDelay(Duration maxCommitDelay); StatementResult statementShowMaxCommitDelay(); StatementResult statementSetDelayTransactionStartUntilFirstWrite( Boolean delayTransactionStartUntilFirstWrite); StatementResult statementShowDelayTransactionStartUntilFirstWrite(); StatementResult statementSetStatementTag(String tag); StatementResult statementShowStatementTag(); StatementResult statementSetTransactionTag(String tag); StatementResult statementShowTransactionTag(); StatementResult statementSetExcludeTxnFromChangeStreams(Boolean excludeTxnFromChangeStreams); StatementResult statementShowExcludeTxnFromChangeStreams(); StatementResult statementBeginTransaction(); StatementResult statementBeginPgTransaction(PgTransactionMode transactionMode); StatementResult statementCommit(); StatementResult statementRollback(); StatementResult statementSetTransactionMode(TransactionMode mode); StatementResult statementSetPgTransactionMode(PgTransactionMode transactionMode); StatementResult statementSetPgSessionCharacteristicsTransactionMode( PgTransactionMode transactionMode); StatementResult statementSetPgDefaultTransactionIsolation(IsolationLevel isolationLevel); StatementResult statementStartBatchDdl(); StatementResult statementStartBatchDml(); StatementResult statementRunBatch(); StatementResult statementAbortBatch(); StatementResult statementResetAll(); StatementResult statementSetRPCPriority(Priority priority); StatementResult statementShowRPCPriority(); StatementResult statementSetSavepointSupport(SavepointSupport savepointSupport); StatementResult statementShowSavepointSupport(); StatementResult statementShowTransactionIsolationLevel(); StatementResult statementSetProtoDescriptors(byte[] protoDescriptors); StatementResult statementSetProtoDescriptorsFilePath(String filePath); StatementResult statementShowProtoDescriptors(); StatementResult statementShowProtoDescriptorsFilePath(); StatementResult statementExplain(String sql); StatementResult statementShowDataBoostEnabled(); StatementResult statementSetDataBoostEnabled(Boolean dataBoostEnabled); StatementResult statementShowAutoPartitionMode(); StatementResult statementSetAutoPartitionMode(Boolean autoPartitionMode); StatementResult statementShowMaxPartitions(); StatementResult statementSetMaxPartitions(Integer maxPartitions); StatementResult statementShowMaxPartitionedParallelism(); StatementResult statementSetMaxPartitionedParallelism(Integer maxPartitionedParallelism); StatementResult statementPartition(Statement statement); StatementResult statementRunPartition(String partitionId); StatementResult statementRunPartitionedQuery(Statement statement); }





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