com.hazelcast.spi.impl

Class BasicOperationScheduler

java.lang.Object

com.hazelcast.spi.impl.BasicOperationScheduler

public final class BasicOperationScheduler
extends Object

The BasicOperationProcessor belongs to the BasicOperationService and is responsible for scheduling operations/packets to the correct threads.

The actual processing of the 'task' that is scheduled, is forwarded to the BasicDispatcher. So this class is purely responsible for assigning a 'task' to a particular thread.

The execute(Object, int, boolean) accepts an Object instead of a runnable to prevent needing to create wrapper runnables around tasks. This is done to reduce the amount of object litter and therefor reduce pressure on the gc.

There are 2 category of operation threads:

1. partition specific operation threads: these threads are responsible for executing e.g. a map.put. Operations for the same partition, always end up in the same thread.
2. generic operation threads: these threads are responsible for executing operations that are not specific to a partition. E.g. a heart beat.

Field Summary

Fields

Modifier and Type	Field and Description
static int	TERMINATION_TIMEOUT_SECONDS

Constructor Summary

Constructors

Constructor and Description
BasicOperationScheduler(Node node, ExecutionService executionService, BasicDispatcher dispatcher)

Method Summary

Methods

Modifier and Type	Method and Description
void	dumpPerformanceMetrics(StringBuffer sb)
void	execute(Operation op)
void	execute(Packet packet)
void	execute(Runnable task, int partitionId)
int	getOperationExecutorQueueSize()
int	getPriorityOperationExecutorQueueSize()
int	getResponseQueueSize()
void	shutdown()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

TERMINATION_TIMEOUT_SECONDS

public static final int TERMINATION_TIMEOUT_SECONDS

See Also:

Constant Field Values

Constructor Detail

BasicOperationScheduler

public BasicOperationScheduler(Node node,
                       ExecutionService executionService,
                       BasicDispatcher dispatcher)

Method Detail

getOperationExecutorQueueSize

public int getOperationExecutorQueueSize()

getPriorityOperationExecutorQueueSize

public int getPriorityOperationExecutorQueueSize()

getResponseQueueSize

public int getResponseQueueSize()

execute

public void execute(Operation op)

execute

public void execute(Runnable task,
           int partitionId)

execute

public void execute(Packet packet)

shutdown

public void shutdown()

toString

public String toString()

Overrides:

toString in class Object

dumpPerformanceMetrics

public void dumpPerformanceMetrics(StringBuffer sb)