org.apache.phoenix.pherf.workload.mt.generators

Class BaseLoadEventGenerator

java.lang.Object

org.apache.phoenix.pherf.workload.mt.generators.BaseLoadEventGenerator

All Implemented Interfaces:

LoadEventGenerator<TenantOperationInfo>

Direct Known Subclasses:

SequentialLoadEventGenerator, UniformDistributionLoadEventGenerator, WeightedRandomLoadEventGenerator

public abstract class BaseLoadEventGenerator
extends Object
implements LoadEventGenerator<TenantOperationInfo>

A base class for all load event generators.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BaseLoadEventGenerator.TenantOperationEvent

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	DEFAULT_BUFFER_SIZE
protected static int	DEFAULT_NUM_HANDLER_PER_SCENARIO
protected com.lmax.disruptor.dsl.Disruptor<BaseLoadEventGenerator.TenantOperationEvent>	disruptor
protected com.lmax.disruptor.ExceptionHandler	exceptionHandler
protected List<PherfWorkHandler>	handlers
protected static org.slf4j.Logger	LOGGER
protected TenantOperationFactory	operationFactory
protected Properties	properties

Constructor Summary

Constructors

Constructor and Description
BaseLoadEventGenerator(PhoenixUtil phoenixUtil, DataModel model, Scenario scenario, List<PherfWorkHandler> workers, com.lmax.disruptor.ExceptionHandler exceptionHandler, Properties properties)
BaseLoadEventGenerator(PhoenixUtil phoenixUtil, DataModel model, Scenario scenario, List<PherfWorkHandler> workers, Properties properties)
BaseLoadEventGenerator(PhoenixUtil phoenixUtil, DataModel model, Scenario scenario, Properties properties)

Method Summary

Modifier and Type	Method and Description
DataModel	getModel()
TenantOperationFactory	getOperationFactory()
PhoenixUtil	getPhoenixUtil()
Properties	getProperties()
Scenario	getScenario()
List<PherfWorkHandler>	getWorkHandlers(Properties properties)
abstract TenantOperationInfo	next()
void	start() Initializes and readies the generator for queue based workloads
void	stop() Stop the generator and waits for the queues to drain.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_NUM_HANDLER_PER_SCENARIO

protected static final int DEFAULT_NUM_HANDLER_PER_SCENARIO

See Also:

Constant Field Values

DEFAULT_BUFFER_SIZE

protected static final int DEFAULT_BUFFER_SIZE

See Also:

Constant Field Values

LOGGER

protected static final org.slf4j.Logger LOGGER

disruptor

protected com.lmax.disruptor.dsl.Disruptor<BaseLoadEventGenerator.TenantOperationEvent> disruptor

handlers

protected List<PherfWorkHandler> handlers

properties

protected final Properties properties

operationFactory

protected final TenantOperationFactory operationFactory

exceptionHandler

protected final com.lmax.disruptor.ExceptionHandler exceptionHandler

Constructor Detail

BaseLoadEventGenerator

public BaseLoadEventGenerator(PhoenixUtil phoenixUtil,
                              DataModel model,
                              Scenario scenario,
                              List<PherfWorkHandler> workers,
                              Properties properties)

BaseLoadEventGenerator

public BaseLoadEventGenerator(PhoenixUtil phoenixUtil,
                              DataModel model,
                              Scenario scenario,
                              Properties properties)

BaseLoadEventGenerator

public BaseLoadEventGenerator(PhoenixUtil phoenixUtil,
                              DataModel model,
                              Scenario scenario,
                              List<PherfWorkHandler> workers,
                              com.lmax.disruptor.ExceptionHandler exceptionHandler,
                              Properties properties)

Method Detail

getPhoenixUtil

public PhoenixUtil getPhoenixUtil()

Specified by:

getPhoenixUtil in interface LoadEventGenerator<TenantOperationInfo>

getScenario

public Scenario getScenario()

Specified by:

getScenario in interface LoadEventGenerator<TenantOperationInfo>

getModel

public DataModel getModel()

Specified by:

getModel in interface LoadEventGenerator<TenantOperationInfo>

getProperties

public Properties getProperties()

Specified by:

getProperties in interface LoadEventGenerator<TenantOperationInfo>

getOperationFactory

public TenantOperationFactory getOperationFactory()

Specified by:

getOperationFactory in interface LoadEventGenerator<TenantOperationInfo>

start

public void start()
           throws Exception

Description copied from interface: LoadEventGenerator

Initializes and readies the generator for queue based workloads

Specified by:

start in interface LoadEventGenerator<TenantOperationInfo>

Throws:

Exception

stop

public void stop()
          throws Exception

Description copied from interface: LoadEventGenerator

Stop the generator and waits for the queues to drain.

Specified by:

stop in interface LoadEventGenerator<TenantOperationInfo>

Throws:

Exception

getWorkHandlers

public List<PherfWorkHandler> getWorkHandlers(Properties properties)

Specified by:

getWorkHandlers in interface LoadEventGenerator<TenantOperationInfo>

next

public abstract TenantOperationInfo next()

Specified by:

next in interface LoadEventGenerator<TenantOperationInfo>