org.wso2.siddhi.extension.regex

Class GroupFunctionExtension

java.lang.Object

org.wso2.siddhi.core.executor.function.FunctionExecutor

org.wso2.siddhi.extension.regex.GroupFunctionExtension

All Implemented Interfaces:

org.wso2.siddhi.core.executor.ExpressionExecutor, org.wso2.siddhi.core.util.extension.holder.EternalReferencedHolder, org.wso2.siddhi.core.util.snapshot.Snapshotable

public class GroupFunctionExtension
extends org.wso2.siddhi.core.executor.function.FunctionExecutor

group(regex, inputSequence, groupId) This method returns the input sub-sequence captured by the given group during the previous match operation. regex - regular expression. eg: "\d\d(.*)WSO2" inputSequence - input sequence to be matched with the regular expression eg: "21 products are produced by WSO2 currently" groupId - the given group id of the regex expression eg: 0, 1, 2, etc. Accept Type(s) for group(regex, inputSequence, groupId); regex : STRING inputSequence : STRING groupId : INT Return Type(s): STRING

Field Summary

Fields inherited from class org.wso2.siddhi.core.executor.function.FunctionExecutor

attributeExpressionExecutors, elementId, executionPlanContext, queryName

Constructor Summary

Constructors

Constructor and Description
GroupFunctionExtension()

Method Summary

Modifier and Type	Method and Description
Object[]	currentState()
protected Object	execute(Object data)
protected Object	execute(Object[] data)
org.wso2.siddhi.query.api.definition.Attribute.Type	getReturnType()
protected void	init(org.wso2.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors, org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext)
void	restoreState(Object[] state)
void	start()
void	stop()

Methods inherited from class org.wso2.siddhi.core.executor.function.FunctionExecutor

cloneExecutor, execute, getElementId, initExecutor

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupFunctionExtension

public GroupFunctionExtension()

Method Detail

init

protected void init(org.wso2.siddhi.core.executor.ExpressionExecutor[] attributeExpressionExecutors,
                    org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext)

Specified by:

init in class org.wso2.siddhi.core.executor.function.FunctionExecutor

execute

protected Object execute(Object[] data)

Specified by:

execute in class org.wso2.siddhi.core.executor.function.FunctionExecutor

execute

protected Object execute(Object data)

Specified by:

execute in class org.wso2.siddhi.core.executor.function.FunctionExecutor

start

public void start()

stop

public void stop()

getReturnType

public org.wso2.siddhi.query.api.definition.Attribute.Type getReturnType()

currentState

public Object[] currentState()

restoreState

public void restoreState(Object[] state)