org.gcube.documentstore.records.aggregation

Class AggregationScheduler

java.lang.Object

org.gcube.documentstore.records.aggregation.AggregationScheduler

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

BufferAggregationScheduler

public abstract class AggregationScheduler
extends Object
implements Runnable

Author:

Luca Frosini (ISTI - CNR)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	AggregationScheduler.ReloaderThread

Field Summary

Fields

Modifier and Type	Field and Description
static String	AGGREGATION_SCHEDULER_TIME
static String	BUFFER_RECORD_NUMBER
static String	BUFFER_RECORD_TIME
protected Map<String,List<Record>>	bufferedRecords
boolean	changeConfiguration
protected ScheduledFuture<?>	futureFlush
protected ScheduledFuture<?>	futureReload
static org.slf4j.Logger	logger
protected PersistenceExecutor	persistenceExecutor
static Integer	RANDOM_INIT_START
static long	TIME_RELOAD_CONFIGURATION The Max amount of time for reload a configuration Get from configuration
static TimeUnit	TIME_UNIT
protected int	totalBufferedRecords

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AggregationScheduler(PersistenceExecutor persistenceExecutor, AggregationConfig config, String name)
protected	AggregationScheduler(PersistenceExecutor persistenceExecutor, String name)

Method Summary

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 static AggregationConfig	CheckConfiguration(PersistenceBackendConfiguration configuration)
protected void	clear()
void	flush(PersistenceExecutor persistenceExecutor)
static AggregatedRecord	getAggregatedRecord(Record record)
AggregationConfig	getConfig()
protected PersistenceBackendConfiguration	getConfiguration() Get Configuration (used from reload configuration)
protected static AggregatedRecord	instantiateAggregatedRecord(Record record)
protected abstract boolean	isTimeToPersist(int maxRecordNumber, long oldRecordMaxTime)
protected void	madeAggregation(Record record)
static AggregationScheduler	newInstance(PersistenceExecutor persistenceExecutor, PersistenceBackendConfiguration configuration, String name)
static AggregationScheduler	newInstance(PersistenceExecutor persistenceExecutor, String name)
protected void	reallyFlush(PersistenceExecutor persistenceExecutor)
protected void	reloadConfiguration() reloadConfiguration
void	run()
protected abstract void	schedulerSpecificClear()
void	setConfig(AggregationConfig newConfig)
void	shutdown()

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

persistenceExecutor

protected final PersistenceExecutor persistenceExecutor

TIME_UNIT

public static final TimeUnit TIME_UNIT

AGGREGATION_SCHEDULER_TIME

public static final String AGGREGATION_SCHEDULER_TIME

See Also:

Constant Field Values

BUFFER_RECORD_TIME

public static final String BUFFER_RECORD_TIME

See Also:

Constant Field Values

BUFFER_RECORD_NUMBER

public static final String BUFFER_RECORD_NUMBER

See Also:

Constant Field Values

RANDOM_INIT_START

public static final Integer RANDOM_INIT_START

TIME_RELOAD_CONFIGURATION

public static long TIME_RELOAD_CONFIGURATION

The Max amount of time for reload a configuration Get from configuration

changeConfiguration

public boolean changeConfiguration

futureFlush

protected ScheduledFuture<?> futureFlush

futureReload

protected ScheduledFuture<?> futureReload

Constructor Detail

AggregationScheduler

protected AggregationScheduler(PersistenceExecutor persistenceExecutor,
                               String name)

AggregationScheduler

protected AggregationScheduler(PersistenceExecutor persistenceExecutor,
                               AggregationConfig config,
                               String name)

Method Detail

newInstance

public static AggregationScheduler newInstance(PersistenceExecutor persistenceExecutor,
                                               String name)

newInstance

public static AggregationScheduler newInstance(PersistenceExecutor persistenceExecutor,
                                               PersistenceBackendConfiguration configuration,
                                               String name)
                                        throws NumberFormatException,
                                               Exception

Throws:

NumberFormatException

Exception

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

reallyFlush

protected void reallyFlush(PersistenceExecutor persistenceExecutor)
                    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(int maxRecordNumber,
                                           long oldRecordMaxTime)

reloadConfiguration

protected void reloadConfiguration()

reloadConfiguration

Throws:

Exception

getConfiguration

protected PersistenceBackendConfiguration getConfiguration()

Get Configuration (used from reload configuration)

Returns:

CheckConfiguration

protected static AggregationConfig CheckConfiguration(PersistenceBackendConfiguration configuration)
                                               throws IOException

Throws:

IOException

getConfig

public AggregationConfig getConfig()

setConfig

public void setConfig(AggregationConfig newConfig)

run

public void run()

Specified by:

run in interface Runnable

shutdown

public void shutdown()