Package org.apache.ignite.internal.processors.odbc.odbc

Class OdbcConnectionContext

java.lang.Object

org.apache.ignite.internal.processors.odbc.ClientListenerAbstractConnectionContext

org.apache.ignite.internal.processors.odbc.odbc.OdbcConnectionContext

All Implemented Interfaces:

ClientListenerConnectionContext

public class OdbcConnectionContext
extends ClientListenerAbstractConnectionContext

ODBC Connection Context.

Field Summary

Fields

Modifier and Type	Field	Description
static ClientListenerProtocolVersion	VER_2_1_0	Version 2.1.0.
static ClientListenerProtocolVersion	VER_2_1_5	Version 2.1.5: added "lazy" flag.
static ClientListenerProtocolVersion	VER_2_13_0	Version 2.13.0: added ability to choose of query engine support.
static ClientListenerProtocolVersion	VER_2_3_0	Version 2.3.0: added "skipReducerOnUpdate" flag.
static ClientListenerProtocolVersion	VER_2_3_2	Version 2.3.2: added multiple statements support.
static ClientListenerProtocolVersion	VER_2_5_0	Version 2.5.0: added authentication.
static ClientListenerProtocolVersion	VER_2_7_0	Version 2.7.0: added precision and scale.
static ClientListenerProtocolVersion	VER_2_8_0	Version 2.8.0: added column nullability info.

Fields inherited from class org.apache.ignite.internal.processors.odbc.ClientListenerAbstractConnectionContext

ctx, NONE_TX, ses, userAttrs

Constructor Summary

Constructors

Constructor	Description
OdbcConnectionContext(GridKernalContext ctx, GridNioSession ses, GridSpinBusyLock busyLock, long connId, int maxCursors)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	addTxContext(ClientTxContext txCtx)	Add new transaction context to connection.
protected void	cleanupTxs()
byte	clientType()
ClientListenerProtocolVersion	defaultVersion()
ClientListenerRequestHandler	handler()	Handler getter.
void	initializeFromHandshake(GridNioSession ses, ClientListenerProtocolVersion ver, BinaryReaderExImpl reader)	Initialize from handshake message.
boolean	isVersionSupported(ClientListenerProtocolVersion ver)
void	onDisconnected()	Called whenever client is disconnected due to correct connection close or due to IOException during network operations.
ClientListenerMessageParser	parser()	Parser getter
void	removeTxContext(int txId)	Remove transaction context from connection.
ClientTxContext	txContext(int txId)	Transaction context by transaction id.

Methods inherited from class org.apache.ignite.internal.processors.odbc.ClientListenerAbstractConnectionContext

attributes, authenticate, clientDescriptor, connectionId, initClientDescriptor, kernalContext, nextTxId, securityContext

Methods inherited from class java.lang.Object

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

Field Detail

VER_2_1_0

public static final ClientListenerProtocolVersion VER_2_1_0

Version 2.1.0.

VER_2_1_5

public static final ClientListenerProtocolVersion VER_2_1_5

Version 2.1.5: added "lazy" flag.

VER_2_3_0

public static final ClientListenerProtocolVersion VER_2_3_0

Version 2.3.0: added "skipReducerOnUpdate" flag.

VER_2_3_2

public static final ClientListenerProtocolVersion VER_2_3_2

Version 2.3.2: added multiple statements support.

VER_2_5_0

public static final ClientListenerProtocolVersion VER_2_5_0

Version 2.5.0: added authentication.

VER_2_7_0

public static final ClientListenerProtocolVersion VER_2_7_0

Version 2.7.0: added precision and scale.

VER_2_8_0

public static final ClientListenerProtocolVersion VER_2_8_0

Version 2.8.0: added column nullability info.

VER_2_13_0

public static final ClientListenerProtocolVersion VER_2_13_0

Version 2.13.0: added ability to choose of query engine support.

Constructor Detail

OdbcConnectionContext

public OdbcConnectionContext(GridKernalContext ctx,
                             GridNioSession ses,
                             GridSpinBusyLock busyLock,
                             long connId,
                             int maxCursors)

Constructor.

Parameters:

ctx - Kernal Context.

ses - Client's NIO session.

busyLock - Shutdown busy lock.

connId - Connection ID.

maxCursors - Maximum allowed cursors.

Method Detail

clientType

public byte clientType()

Returns:

Client type.

isVersionSupported

public boolean isVersionSupported(ClientListenerProtocolVersion ver)

Parameters:

ver - Version to check.

Returns:

true if version is supported.

defaultVersion

public ClientListenerProtocolVersion defaultVersion()

Returns:

Current context version.

initializeFromHandshake

public void initializeFromHandshake(GridNioSession ses,
                                    ClientListenerProtocolVersion ver,
                                    BinaryReaderExImpl reader)
                             throws IgniteCheckedException

Initialize from handshake message.

Parameters:

ses - NIO session.

ver - Protocol version.

reader - Reader set to the configuration part of the handshake message.

Throws:

IgniteCheckedException - On error.

handler

public ClientListenerRequestHandler handler()

Handler getter.

Returns:

Request handler for the connection.

parser

public ClientListenerMessageParser parser()

Parser getter

Returns:

Message parser for the connection.

onDisconnected

public void onDisconnected()

Called whenever client is disconnected due to correct connection close or due to IOException during network operations.

Specified by:

onDisconnected in interface ClientListenerConnectionContext

Overrides:

onDisconnected in class ClientListenerAbstractConnectionContext

txContext

public ClientTxContext txContext(int txId)

Transaction context by transaction id.

Specified by:

txContext in class ClientListenerAbstractConnectionContext

Parameters:

txId - Tx ID.

addTxContext

public void addTxContext(ClientTxContext txCtx)

Add new transaction context to connection.

Specified by:

addTxContext in class ClientListenerAbstractConnectionContext

Parameters:

txCtx - Tx context.

removeTxContext

public void removeTxContext(int txId)

Remove transaction context from connection.

Specified by:

removeTxContext in class ClientListenerAbstractConnectionContext

Parameters:

txId - Tx ID.

cleanupTxs

protected void cleanupTxs()

Specified by:

cleanupTxs in class ClientListenerAbstractConnectionContext