metadone.metabusiness.script.java.JavaScriptingEngine Class Reference

Inheritance diagram for metadone.metabusiness.script.java.JavaScriptingEngine:

Collaboration diagram for metadone.metabusiness.script.java.JavaScriptingEngine:

List of all members.

Classes
class	JavaScriptingResult
Public Member Functions
	JavaScriptingEngine (ProgLanguage lang)
final ProgLanguage	getLanguage ()
void	declareVariable (String name, Object value)
void	clearVariables ()
void	reset ()
synchronized ScriptResult	evaluate (String script)
Static Public Attributes
static final ScriptEngineManager	SCRIPT_ENGINE_MANAGER = new ScriptEngineManager()
Protected Member Functions
	JavaScriptingEngine (ScriptEngine engine, ProgLanguage lang)
void	updateEngine ()
Protected Attributes
final ScriptEngine	engine
Private Attributes
final ProgLanguage	language

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Detailed Description

Implementation based on java scripting engines.

For more information, you may want to see JSR223.

Author:

kma

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Constructor & Destructor Documentation

metadone.metabusiness.script.java.JavaScriptingEngine.JavaScriptingEngine

(

ProgLanguage

lang

)

Initializes this engine.

Parameters:

lang	The language

Exceptions:

NullPointerException

when engine is not found

References metadone.metabusiness.script.java.JavaScriptingEngine.SCRIPT_ENGINE_MANAGER.

metadone.metabusiness.script.java.JavaScriptingEngine.JavaScriptingEngine	(	ScriptEngine	engine,
		ProgLanguage	lang
	)		[protected]

Initializes this engine.

Parameters:

engine

The engine

Exceptions:

NullPointerException

when engine or lang is null

References metadone.metabusiness.script.java.JavaScriptingEngine.engine, and metadone.metabusiness.script.java.JavaScriptingEngine.language.

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Member Function Documentation

void metadone.metabusiness.script.java.JavaScriptingEngine.clearVariables

(

)

Removes all the previously declared variables.

Implements metadone.metabusiness.script.ScriptEvaluator.

Reimplemented in metadone.metabusiness.script.groovy.GroovyEvaluator.

References metadone.metabusiness.script.java.JavaScriptingEngine.engine.

Referenced by metadone.metabusiness.script.java.JavaScriptingEngine.reset().

void metadone.metabusiness.script.java.JavaScriptingEngine.declareVariable	(	String	name,
		Object	value
	)

Declares a new variable called name and sets it to value.

updateContext() should be called afterwards.

Parameters:

name	The name of the variable
value	The new value

Exceptions:

NullPointerException

when name is null

Implements metadone.metabusiness.script.ScriptEvaluator.

Reimplemented in metadone.metabusiness.script.groovy.GroovyEvaluator.

References metadone.metabusiness.script.java.JavaScriptingEngine.engine.

synchronized ScriptResult metadone.metabusiness.script.java.JavaScriptingEngine.evaluate

(

String

script

)

Evaluates a script and returns a result.

Parameters:

script

The script to evaluate

Returns:

A ScriptResult

Exceptions:

NullPointerException

when script is null

Implements metadone.metabusiness.script.ScriptEvaluator.

References metadone.metabusiness.script.java.JavaScriptingEngine.engine, and metadone.metabusiness.script.java.JavaScriptingEngine.updateEngine().

Referenced by metadone.metabusiness.script.groovy.GroovyEvaluator.initScriptEvaluate().

final ProgLanguage metadone.metabusiness.script.java.JavaScriptingEngine.getLanguage

(

)

Gets the evaluated language.

Returns:

The language

Implements metadone.metabusiness.script.ScriptEvaluator.

References metadone.metabusiness.script.java.JavaScriptingEngine.language.

void metadone.metabusiness.script.java.JavaScriptingEngine.reset

(

)

Resets the script evaluator.

Implements metadone.metabusiness.script.ScriptEvaluator.

References metadone.metabusiness.script.java.JavaScriptingEngine.clearVariables(), and metadone.metabusiness.script.java.JavaScriptingEngine.engine.

void metadone.metabusiness.script.java.JavaScriptingEngine.updateEngine

(

)

[protected]

Called before evaluating a script.

Referenced by metadone.metabusiness.script.java.JavaScriptingEngine.evaluate().

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Member Data Documentation

final ScriptEngine metadone.metabusiness.script.java.JavaScriptingEngine.engine [protected]

The scripting engine.

Referenced by metadone.metabusiness.script.java.JavaScriptingEngine.clearVariables(), metadone.metabusiness.script.java.JavaScriptingEngine.declareVariable(), metadone.metabusiness.script.java.JavaScriptingEngine.evaluate(), metadone.metabusiness.script.java.JavaScriptingEngine.JavaScriptingEngine(), and metadone.metabusiness.script.java.JavaScriptingEngine.reset().

final ProgLanguage metadone.metabusiness.script.java.JavaScriptingEngine.language [private]

Referenced by metadone.metabusiness.script.java.JavaScriptingEngine.getLanguage(), and metadone.metabusiness.script.java.JavaScriptingEngine.JavaScriptingEngine().

final ScriptEngineManager metadone.metabusiness.script.java.JavaScriptingEngine.SCRIPT_ENGINE_MANAGER = new ScriptEngineManager() [static]

The script engine manager used by default

Referenced by metadone.metabusiness.script.java.JavaScriptingEngine.JavaScriptingEngine().

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The documentation for this class was generated from the following file:

• metadone_bundle_metabusiness/src/metadone/metabusiness/script/java/JavaScriptingEngine.java