org.gcube.documentstore.records.aggregation

Class BufferAggregationScheduler

java.lang.Object

org.gcube.documentstore.records.aggregation.AggregationScheduler

org.gcube.documentstore.records.aggregation.BufferAggregationScheduler

All Implemented Interfaces:

Runnable

public class BufferAggregationScheduler
extends AggregationScheduler

Author:

Luca Frosini (ISTI - CNR) This class implements a Simple Buffer with timeout strategy. It buffer a predefined number of Records before invoking a persistence.

Nested Class Summary

Nested classes/interfaces inherited from class org.gcube.documentstore.records.aggregation.AggregationScheduler

AggregationScheduler.ReloaderThread

Field Summary

Fields

Modifier and Type	Field and Description
protected long	firstBufferedTime
protected boolean	firstOfBuffer

Fields inherited from class org.gcube.documentstore.records.aggregation.AggregationScheduler

AGGREGATION_PROPERTIES_FILE, AGGREGATION_SCHEDULER_TIME, BUFFER_RECORD_NUMBER, BUFFER_RECORD_TIME, bufferedRecords, changeConfiguration, CONFIG_DIRECTORY_NAME, FILE_NAME, futureFlush, futureReload, logger, persistenceExecutor, RANDOM_INIT_START, TIME_RELOAD_CONFIGURATION, totalBufferedRecords

Constructor Summary

Constructors

Constructor and Description
BufferAggregationScheduler(PersistenceExecutor persistenceExecutor)
BufferAggregationScheduler(PersistenceExecutor persistenceExecutor, AggregationConfiguration config)

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	isTimeToPersist(int maxRecordNumber, long oldRecordMaxTime)
protected void	schedulerSpecificClear()

Methods inherited from class org.gcube.documentstore.records.aggregation.AggregationScheduler

aggregate, aggregate, CheckConfiguration, clear, flush, getAggregatedRecord, getConfig, getConfiguration, getPropertiesFromFile, instantiateAggregatedRecord, madeAggregation, newInstance, newInstance, reallyFlush, reloadConfiguration, run, setConfig, shutdown

Methods inherited from class java.lang.Object

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

Field Detail

firstOfBuffer

protected boolean firstOfBuffer

firstBufferedTime

protected long firstBufferedTime

Constructor Detail

BufferAggregationScheduler

public BufferAggregationScheduler(PersistenceExecutor persistenceExecutor)

BufferAggregationScheduler

public BufferAggregationScheduler(PersistenceExecutor persistenceExecutor,
                          AggregationConfiguration config)

Method Detail

schedulerSpecificClear

protected void schedulerSpecificClear()

Specified by:

schedulerSpecificClear in class AggregationScheduler

isTimeToPersist

protected boolean isTimeToPersist(int maxRecordNumber,
                      long oldRecordMaxTime)

Specified by:

isTimeToPersist in class AggregationScheduler