org.apache.flink.table.gateway.service.session

Interface SessionManager

All Known Implementing Classes:

SessionManagerImpl

public interface SessionManager

Mange the lifecycle of the Session.

Method Summary

Modifier and Type	Method and Description
void	closeSession(org.apache.flink.table.gateway.api.session.SessionHandle sessionHandle) Close the session with the specified identifier and releases the resources used by the session.
static SessionManager	create(DefaultContext defaultContext) Create the SessionManager with the default configuration.
Session	getSession(org.apache.flink.table.gateway.api.session.SessionHandle sessionHandle) Get the Session with the identifier.
Session	openSession(org.apache.flink.table.gateway.api.session.SessionEnvironment environment) Register a new Session.
void	start() Start the SessionManager and do the required initialization.
void	stop() Destroy the SessionManager and releases used resources.

Method Detail

create

static SessionManager create(DefaultContext defaultContext)

Create the SessionManager with the default configuration.

start

void start()

Start the SessionManager and do the required initialization.

stop

void stop()

Destroy the SessionManager and releases used resources.

getSession

Session getSession(org.apache.flink.table.gateway.api.session.SessionHandle sessionHandle)
            throws org.apache.flink.table.gateway.api.utils.SqlGatewayException

Get the Session with the identifier.

Parameters:

sessionHandle - identifier of the session.

Returns:

registered session.

Throws:

org.apache.flink.table.gateway.api.utils.SqlGatewayException

openSession

Session openSession(org.apache.flink.table.gateway.api.session.SessionEnvironment environment)
             throws org.apache.flink.table.gateway.api.utils.SqlGatewayException

Register a new Session.

Parameters:

environment - the initialization environment.

Returns:

created session.

Throws:

org.apache.flink.table.gateway.api.utils.SqlGatewayException

closeSession

void closeSession(org.apache.flink.table.gateway.api.session.SessionHandle sessionHandle)
           throws org.apache.flink.table.gateway.api.utils.SqlGatewayException

Close the session with the specified identifier and releases the resources used by the session.

Parameters:

sessionHandle - the identifier of the session.

Throws:

org.apache.flink.table.gateway.api.utils.SqlGatewayException