org.wso2.siddhi.extension.string

Class SubstrFunctionExtension

java.lang.Object

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

org.wso2.siddhi.extension.string.SubstrFunctionExtension

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

substr(sourceText, beginIndex) or substr(sourceText, beginIndex, length) or substr(sourceText, regex) or substr(sourceText, regex, groupNumber) Returns a new string that is a substring of this string. Accept Type(s): (STRING,INT) or (STRING,INT,INT) or (STRING,STRING) or (STRING,STRING,INT) Return Type(s): STRING

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SubstrFunctionExtension.SubstrType

Field Summary

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

attributeExpressionExecutors, elementId, executionPlanContext, queryName

Constructor Summary

Constructors

Constructor and Description
SubstrFunctionExtension()

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

SubstrFunctionExtension

public SubstrFunctionExtension()

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)