com.singlestore.jdbc.client.impl

Class ReplayClient

java.lang.Object

com.singlestore.jdbc.client.impl.StandardClient

com.singlestore.jdbc.client.impl.ReplayClient

All Implemented Interfaces:

com.singlestore.jdbc.client.Client, AutoCloseable

public class ReplayClient
extends StandardClient

Replay client wrapper

Field Summary

Fields inherited from class com.singlestore.jdbc.client.impl.StandardClient

context, exceptionFactory, writer

Constructor Summary

Constructors

Constructor and Description
ReplayClient(Configuration conf, HostAddress hostAddress, ClosableLock lock, boolean skipPostCommands) Constructor

Method Summary

Modifier and Type	Method and Description
List<com.singlestore.jdbc.client.Completion>	execute(com.singlestore.jdbc.message.ClientMessage message, Statement stmt, int fetchSize, long maxRows, int resultSetConcurrency, int resultSetType, boolean closeOnCompletion, boolean canRedo) Send client message and read result
List<com.singlestore.jdbc.client.Completion>	executePipeline(com.singlestore.jdbc.message.ClientMessage[] messages, Statement stmt, int fetchSize, long maxRows, int resultSetConcurrency, int resultSetType, boolean closeOnCompletion, boolean canRedo) Send client messages pipelining and read result
int	sendQuery(com.singlestore.jdbc.message.ClientMessage message) Send client message to server
void	transactionReplay(TransactionSaver transactionSaver) Replay transaction, re-prepare server command if needed

Methods inherited from class com.singlestore.jdbc.client.impl.StandardClient

abort, checkNotClosed, close, closePrepare, destroySocket, execute, execute, getAggregatorId, getContext, getExceptionFactory, getHostAddress, getInitialSqlSelectLimit, getSingleStoreVersion, getSocketIp, getSocketTimeout, isClosed, readPacket, readPacket, readResponse, readResponse, readStreamingResults, reset, setReadOnly, setSocketTimeout

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReplayClient

public ReplayClient(Configuration conf,
                    HostAddress hostAddress,
                    ClosableLock lock,
                    boolean skipPostCommands)
             throws SQLException

Constructor

Parameters:

conf - configuration

hostAddress - host

lock - thread lock object

skipPostCommands - must skip connection post commands

Throws:

SQLException - if connection fails

Method Detail

sendQuery

public int sendQuery(com.singlestore.jdbc.message.ClientMessage message)
              throws SQLException

Description copied from class: StandardClient

Send client message to server

Overrides:

sendQuery in class StandardClient

Parameters:

message - client message

Returns:

number of command send

Throws:

SQLException - if socket error occurs

executePipeline

public List<com.singlestore.jdbc.client.Completion> executePipeline(com.singlestore.jdbc.message.ClientMessage[] messages,
                                                                    Statement stmt,
                                                                    int fetchSize,
                                                                    long maxRows,
                                                                    int resultSetConcurrency,
                                                                    int resultSetType,
                                                                    boolean closeOnCompletion,
                                                                    boolean canRedo)
                                                             throws SQLException

Description copied from interface: com.singlestore.jdbc.client.Client

Send client messages pipelining and read result

Specified by:

executePipeline in interface com.singlestore.jdbc.client.Client

Overrides:

executePipeline in class StandardClient

Parameters:

messages - client message

stmt - statement

fetchSize - fetch size

maxRows - maximum number of rows. 0 = all

resultSetConcurrency - concurrency

resultSetType - result-set type

closeOnCompletion - close statement on completion

canRedo - can client message be redone in case of failover

Returns:

results

Throws:

SQLException - if any error occurs

execute

public List<com.singlestore.jdbc.client.Completion> execute(com.singlestore.jdbc.message.ClientMessage message,
                                                            Statement stmt,
                                                            int fetchSize,
                                                            long maxRows,
                                                            int resultSetConcurrency,
                                                            int resultSetType,
                                                            boolean closeOnCompletion,
                                                            boolean canRedo)
                                                     throws SQLException

Description copied from interface: com.singlestore.jdbc.client.Client

Send client message and read result

Specified by:

execute in interface com.singlestore.jdbc.client.Client

Overrides:

execute in class StandardClient

Parameters:

message - client message

stmt - statement

fetchSize - fetch size

maxRows - maximum number of rows. 0 = all

resultSetConcurrency - concurrency

resultSetType - result-set type

closeOnCompletion - close statement on completion

canRedo - can client message be redone in case of failover

Returns:

results

Throws:

SQLException - if any error occurs

transactionReplay

public void transactionReplay(TransactionSaver transactionSaver)
                       throws SQLException

Replay transaction, re-prepare server command if needed

Parameters:

transactionSaver - transaction cache

Throws:

SQLException - if any error occurs