org.gcube.documentstore.records.aggregation

Class AggregationScheduler

java.lang.Object

org.gcube.documentstore.records.aggregation.AggregationScheduler

Direct Known Subclasses:

BufferAggregationScheduler

public abstract class AggregationScheduler
extends Object

Author:

Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,List<Record>>	bufferedRecords
static org.slf4j.Logger	logger
protected int	totalBufferedRecords

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AggregationScheduler()

Method Summary

Methods

Modifier and Type	Method and Description
void	aggregate(Record record, PersistenceExecutor persistenceExecutor) Get an usage records and try to aggregate with other buffered Usage Record.
protected void	aggregate(Record record, PersistenceExecutor persistenceExecutor, boolean forceFlush)
protected void	clear()
void	flush(PersistenceExecutor persistenceExecutor)
static AggregatedRecord	getAggregatedRecord(Record record)
protected static AggregatedRecord	instantiateAggregatedRecord(Record record)
protected abstract boolean	isTimeToPersist()
protected void	madeAggregation(Record record)
static AggregationScheduler	newInstance()
protected abstract void	schedulerSpecificClear()

Methods inherited from class java.lang.Object

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

Field Detail

logger

public static org.slf4j.Logger logger

totalBufferedRecords

protected int totalBufferedRecords

bufferedRecords

protected Map<String,List<Record>> bufferedRecords

Constructor Detail

AggregationScheduler

protected AggregationScheduler()

Method Detail

newInstance

public static AggregationScheduler newInstance()

instantiateAggregatedRecord

protected static AggregatedRecord instantiateAggregatedRecord(Record record)
                                                       throws Exception

Throws:

Exception

getAggregatedRecord

public static AggregatedRecord getAggregatedRecord(Record record)
                                            throws Exception

Throws:

Exception

madeAggregation

protected void madeAggregation(Record record)

flush

public void flush(PersistenceExecutor persistenceExecutor)
           throws Exception

Throws:

Exception

schedulerSpecificClear

protected abstract void schedulerSpecificClear()

clear

protected void clear()

aggregate

protected void aggregate(Record record,
             PersistenceExecutor persistenceExecutor,
             boolean forceFlush)
                  throws Exception

Throws:

Exception

aggregate

public void aggregate(Record record,
             PersistenceExecutor persistenceExecutor)
               throws Exception

Get an usage records and try to aggregate with other buffered Usage Record.

Parameters:

singleRecord - the Usage Record To Buffer

Throws:

Exception - if fails

isTimeToPersist

protected abstract boolean isTimeToPersist()