org.eclipse.smila.scripting.worker

Class EmitFunction

java.lang.Object

BaseFunction

org.eclipse.smila.scripting.worker.EmitFunction

All Implemented Interfaces:

ScriptExecutor.Installable

public class EmitFunction
extends BaseFunction
implements ScriptExecutor.Installable

Implementation of emit() function available in scripts used by ScriptProcessorWorker to write records into the output bulk.

Constructor Summary

Constructors

Constructor and Description
EmitFunction(RecordOutput outputBulk, TaskContext taskContext)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	call(Context cx, Scriptable scope, Scriptable thisObj, java.lang.Object[] args)
Scriptable	construct(Context cx, Scriptable scope, java.lang.Object[] args)
int	getArity()
java.lang.String	getFunctionName()
int	getLength()
void	install(java.lang.Object installTarget) Binds this instance of emit() into the specified scope under the property name "emit".

Methods inherited from class java.lang.Object

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

Constructor Detail

EmitFunction

public EmitFunction(RecordOutput outputBulk,
            TaskContext taskContext)

Method Detail

install

public void install(java.lang.Object installTarget)
             throws ScriptingEngineException

Binds this instance of emit() into the specified scope under the property name "emit".

Specified by:

install in interface ScriptExecutor.Installable

Parameters:

installTarget - the scope where the emit() function is to be installed, must implement Scriptable.

Throws:

ScriptingEngineException - installation failed.

call

public java.lang.Object call(Context cx,
                    Scriptable scope,
                    Scriptable thisObj,
                    java.lang.Object[] args)

construct

public Scriptable construct(Context cx,
                   Scriptable scope,
                   java.lang.Object[] args)

getFunctionName

public java.lang.String getFunctionName()

getArity

public int getArity()

getLength

public int getLength()