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.

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_SCHEDULER_TIME, BUFFER_RECORD_NUMBER, BUFFER_RECORD_TIME, bufferedRecords, changeConfiguration, DELAY, delaySet, future, INITIAL_DELAY, initialDelaySet, logger, MAX_RECORDS_NUMBER, maxRecordsNumberSet, OLD_RECORD_MAX_TIME_ELAPSED, OldRecordMaxTimeElapsedSet, persistenceExecutor, TIME_RELOAD_CONFIGURATION, TIME_UNIT, timeLoadConfiguration, totalBufferedRecords

Constructor Summary

Constructors

Constructor and Description
BufferAggregationScheduler(PersistenceExecutor persistenceExecutor)

Method Summary

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, getConfiguration, instantiateAggregatedRecord, madeAggregation, newInstance, newInstance, reallyFlush, reloadConfiguration, run

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)

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