org.wso2.extension.siddhi.execution.streamingml.bayesian.regression

Class BayesianRegressionStreamProcessorExtension

java.lang.Object

org.wso2.siddhi.core.query.processor.stream.AbstractStreamProcessor

org.wso2.siddhi.core.query.processor.stream.StreamProcessor

org.wso2.extension.siddhi.execution.streamingml.bayesian.regression.BayesianRegressionStreamProcessorExtension

All Implemented Interfaces:

org.wso2.siddhi.core.query.processor.Processor, org.wso2.siddhi.core.util.extension.holder.EternalReferencedHolder, org.wso2.siddhi.core.util.snapshot.Snapshotable

public class BayesianRegressionStreamProcessorExtension
extends org.wso2.siddhi.core.query.processor.stream.StreamProcessor

Predict using a Bayesian regression model built via BayesianRegressionUpdaterStreamProcessorExtension.

Field Summary

Fields inherited from class org.wso2.siddhi.core.query.processor.stream.StreamProcessor

outputExpectsExpiredEvents

Fields inherited from class org.wso2.siddhi.core.query.processor.stream.AbstractStreamProcessor

additionalAttributes, attributeExpressionExecutors, attributeExpressionLength, complexEventPopulater, elementId, inputDefinition, nextProcessor, queryName, siddhiAppContext, streamEventCloner, streamEventClonerHolder

Constructor Summary

Constructors

Constructor and Description
BayesianRegressionStreamProcessorExtension()

Method Summary

Modifier and Type	Method and Description
Map<String,Object>	currentState() Used to collect the serializable state of the processing element, that need to be.
protected List<org.wso2.siddhi.query.api.definition.Attribute>	init(org.wso2.siddhi.query.api.definition.AbstractDefinition inputDefinition, org.wso2.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors, org.wso2.siddhi.core.util.config.ConfigReader configReader, org.wso2.siddhi.core.config.SiddhiAppContext siddhiAppContext) The initialization method for BayesianRegressionStreamProcessorExtension, which will be called before other methods and validate the all configuration and getting the initial values.
protected void	process(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.stream.StreamEvent> streamEventChunk, org.wso2.siddhi.core.query.processor.Processor nextProcessor, org.wso2.siddhi.core.event.stream.StreamEventCloner streamEventCloner, org.wso2.siddhi.core.event.stream.populater.ComplexEventPopulater complexEventPopulater)
void	restoreState(Map<String,Object> state) Used to restore serialized state of the processing element, for reconstructing the element to the same state as if was on a previous point of time.
void	start() This will be called only once and this can be used to acquire required resources for the processing element.
void	stop() This will be called only once and this can be used to release the acquired resources for processing.

Methods inherited from class org.wso2.siddhi.core.query.processor.stream.StreamProcessor

init, processEventChunk

Methods inherited from class org.wso2.siddhi.core.query.processor.stream.AbstractStreamProcessor

cloneProcessor, constructStreamEventPopulater, getElementId, getNextProcessor, initProcessor, process, setNextProcessor, setStreamEventCloner, setToLast

Methods inherited from class java.lang.Object

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

Constructor Detail

BayesianRegressionStreamProcessorExtension

public BayesianRegressionStreamProcessorExtension()

Method Detail

init

protected List<org.wso2.siddhi.query.api.definition.Attribute> init(org.wso2.siddhi.query.api.definition.AbstractDefinition inputDefinition,
                                                                    org.wso2.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors,
                                                                    org.wso2.siddhi.core.util.config.ConfigReader configReader,
                                                                    org.wso2.siddhi.core.config.SiddhiAppContext siddhiAppContext)

The initialization method for BayesianRegressionStreamProcessorExtension, which will be called before other methods and validate the all configuration and getting the initial values.

Specified by:

init in class org.wso2.siddhi.core.query.processor.stream.StreamProcessor

Parameters:

attributeExpressionExecutors - are the executors of each attributes in the Function

configReader - this hold the StreamProcessor extensions configuration reader.

siddhiAppContext - Siddhi app runtime context

process

protected void process(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.stream.StreamEvent> streamEventChunk,
                       org.wso2.siddhi.core.query.processor.Processor nextProcessor,
                       org.wso2.siddhi.core.event.stream.StreamEventCloner streamEventCloner,
                       org.wso2.siddhi.core.event.stream.populater.ComplexEventPopulater complexEventPopulater)

Specified by:

process in class org.wso2.siddhi.core.query.processor.stream.StreamProcessor

start

public void start()

This will be called only once and this can be used to acquire required resources for the processing element. This will be called after initializing the system and before starting to process the events.

stop

public void stop()

This will be called only once and this can be used to release the acquired resources for processing. This will be called before shutting down the system.

currentState

public Map<String,Object> currentState()

Used to collect the serializable state of the processing element, that need to be. persisted for reconstructing the element to the same state on a different point of time

Returns:

stateful objects of the processing element as an map

restoreState

public void restoreState(Map<String,Object> state)

Used to restore serialized state of the processing element, for reconstructing the element to the same state as if was on a previous point of time.

Parameters:

state - the stateful objects of the processing element as a map. This is the same map that is created upon calling currentState() method.