Package com.illumon.iris.controller

Class WorkerClientHeartbeatQuery

java.lang.Object

com.illumon.iris.db.tables.remotequery.ContextAwareRemoteQuery<Boolean>

com.illumon.iris.controller.WorkerClientHeartbeatQuery

All Implemented Interfaces:

RemoteQuery<Boolean>, Serializable

public class WorkerClientHeartbeatQuery
extends ContextAwareRemoteQuery<Boolean>

Sends a heartbeat to an InteractiveConsole script-session, which is used by the worker to determine if any clients are actively subscribed. When the worker detects that there are no interested clients, it may choose to shut itself down in order to give back resources to the server

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
WorkerClientHeartbeatQuery(int sessionId)

Method Summary

Modifier and Type	Method	Description
Boolean	execute(Database database)	Execute a query on a remote host.

Methods inherited from class com.illumon.iris.db.tables.remotequery.ContextAwareRemoteQuery

getClient, getLog, getRemoteQueryProcessor, getUserContext, initializeContext, initializeContext

Methods inherited from class java.lang.Object

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

Constructor Details

WorkerClientHeartbeatQuery

public WorkerClientHeartbeatQuery(int sessionId)

Method Details

execute

public Boolean execute(Database database)

Description copied from interface: RemoteQuery

Execute a query on a remote host.

Parameters:

database - database to use for execution.

Returns:

result of the query.