org.lsst.ccs.localdb.statusdb

Class BatchPersister<T>

java.lang.Object

org.lsst.ccs.localdb.statusdb.BatchPersister<T>

All Implemented Interfaces:

Runnable, org.lsst.ccs.framework.HasLifecycle

Direct Known Subclasses:

FastBatchPersister, SlowBatchPersister

public abstract class BatchPersister<T>
extends Object
implements Runnable, org.lsst.ccs.framework.HasLifecycle

Persists entities as a batch.

Author:

LSST CCS Team

Field Summary

Fields

Modifier and Type	Field and Description
protected org.lsst.ccs.services.alert.AlertService	alertService
protected int	ingQueueSize
protected int	ingThreadsPoolSize
protected Logger	log
protected org.lsst.ccs.services.AgentPeriodicTaskService	periodicTaskService
protected Queue<T>	rq

Method Summary

Modifier and Type	Method and Description
void	addToQueue(T obj)
void	build()
Duration	getBatchProcessingPeriod() Get the batch processing period.
void	init()
static ExecutorService	newFixedThreadPoolBoundedQueue(int nThreads, int nQueue)
abstract void	persist(T obj, org.hibernate.Session sess) Called from inside an open transaction.
void	run()
void	shutdown()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsst.ccs.framework.HasLifecycle

postBuild, postInit, postShutdown, postStart, start

Field Detail

log

protected final Logger log

rq

protected final Queue<T> rq

alertService

@LookupField(strategy=TREE)
protected org.lsst.ccs.services.alert.AlertService alertService

periodicTaskService

@LookupField(strategy=TREE)
protected org.lsst.ccs.services.AgentPeriodicTaskService periodicTaskService

ingThreadsPoolSize

protected int ingThreadsPoolSize

ingQueueSize

protected int ingQueueSize

Method Detail

newFixedThreadPoolBoundedQueue

public static ExecutorService newFixedThreadPoolBoundedQueue(int nThreads,
                                                             int nQueue)

shutdown

public void shutdown()

Specified by:

shutdown in interface org.lsst.ccs.framework.HasLifecycle

build

public void build()

Specified by:

build in interface org.lsst.ccs.framework.HasLifecycle

init

public void init()

Specified by:

init in interface org.lsst.ccs.framework.HasLifecycle

run

public void run()

Specified by:

run in interface Runnable

addToQueue

public void addToQueue(T obj)

persist

public abstract void persist(T obj,
                             org.hibernate.Session sess)

Called from inside an open transaction.

Parameters:

obj -

sess -

getBatchProcessingPeriod

public Duration getBatchProcessingPeriod()

Get the batch processing period.