org.apache.ignite.internal.processors.query.h2

Class CommandProcessor

java.lang.Object

org.apache.ignite.internal.processors.query.h2.CommandProcessor

public class CommandProcessor
extends Object

Processor responsible for execution of all non-SELECT and non-DML commands.

Constructor Summary

Constructors

Constructor and Description
CommandProcessor(GridKernalContext ctx, SchemaManager schemaMgr, IgniteH2Indexing idx) Constructor.

Method Summary

Modifier and Type	Method and Description
void	doRollback(@NotNull GridNearTxLocal tx) Rollback and properly close transaction.
static boolean	isCommand(org.gridgain.internal.h2.command.Prepared cmd)
static boolean	isCommandNoOp(org.gridgain.internal.h2.command.Prepared cmd)
void	onDisconnected() Client disconnected callback.
void	onMessage(UUID nodeId, Object msg)
CommandResult	runCommand(String sql, SqlCommand cmdNative, GridSqlStatement cmdH2, QueryParameters params, @Nullable SqlClientContext cliCtx, Long qryId) Execute command.
void	start() Start executor.
void	stop() Close executor.

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandProcessor

public CommandProcessor(GridKernalContext ctx,
                        SchemaManager schemaMgr,
                        IgniteH2Indexing idx)

Constructor.

Parameters:

ctx - Kernal context.

schemaMgr - Schema manager.

Method Detail

start

public void start()

Start executor.

stop

public void stop()

Close executor.

onDisconnected

public void onDisconnected()

Client disconnected callback.

onMessage

public void onMessage(UUID nodeId,
                      Object msg)

Parameters:

nodeId - Node ID.

msg - Message.

runCommand

public CommandResult runCommand(String sql,
                                SqlCommand cmdNative,
                                GridSqlStatement cmdH2,
                                QueryParameters params,
                                @Nullable
                                @Nullable SqlClientContext cliCtx,
                                Long qryId)
                         throws IgniteCheckedException

Execute command.

Parameters:

sql - SQL.

cmdNative - Native command (if any).

cmdH2 - H2 command (if any).

params - Parameters.

cliCtx - Client context.

qryId - Running query ID.

Returns:

Result.

Throws:

IgniteCheckedException

isCommand

public static boolean isCommand(org.gridgain.internal.h2.command.Prepared cmd)

Parameters:

cmd - Statement.

Returns:

Whether cmd is a DDL statement we're able to handle.

isCommandNoOp

public static boolean isCommandNoOp(org.gridgain.internal.h2.command.Prepared cmd)

Parameters:

cmd - Statement.

Returns:

Whether cmd is a no-op.

doRollback

public void doRollback(@NotNull
                       @NotNull GridNearTxLocal tx)
                throws IgniteCheckedException

Rollback and properly close transaction.

Parameters:

tx - Transaction.

Throws:

IgniteCheckedException - if failed.