Package org.camunda.bpm.engine.impl.scripting.engine

Class DefaultScriptEngineResolver

java.lang.Object

org.camunda.bpm.engine.impl.scripting.engine.DefaultScriptEngineResolver

All Implemented Interfaces:

ScriptEngineResolver

public class DefaultScriptEngineResolver
extends Object
implements ScriptEngineResolver

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,ScriptEngine>	cachedEngines
protected ScriptEngineManager	scriptEngineManager

Constructor Summary

Constructors

Constructor	Description
DefaultScriptEngineResolver(ScriptEngineManager scriptEngineManager)

Method Summary

Modifier and Type	Method	Description
void	addScriptEngineFactory(ScriptEngineFactory scriptEngineFactory)
protected void	configureGraalJsScriptEngine(ScriptEngine scriptEngine)	Allows providing custom configuration for the Graal JS script engine.
protected void	configureGroovyScriptEngine(ScriptEngine scriptEngine)	Allows providing custom configuration for the groovy script engine.
protected void	configureScriptEngines(String language, ScriptEngine scriptEngine)
protected ScriptEngine	getJavaScriptScriptEngine(String language)
protected ScriptEngine	getScriptEngine(String language)
ScriptEngine	getScriptEngine(String language, boolean resolveFromCache)	Returns a cached script engine or creates a new script engine if no such engine is currently cached.
ScriptEngineManager	getScriptEngineManager()
protected boolean	isCachable(ScriptEngine scriptEngine)	Allows checking whether the script engine can be cached.

Methods inherited from class java.lang.Object

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

Field Detail

scriptEngineManager

protected final ScriptEngineManager scriptEngineManager

cachedEngines

protected Map<String,ScriptEngine> cachedEngines

Constructor Detail

DefaultScriptEngineResolver

public DefaultScriptEngineResolver(ScriptEngineManager scriptEngineManager)

Method Detail

addScriptEngineFactory

public void addScriptEngineFactory(ScriptEngineFactory scriptEngineFactory)

Specified by:

addScriptEngineFactory in interface ScriptEngineResolver

getScriptEngineManager

public ScriptEngineManager getScriptEngineManager()

Specified by:

getScriptEngineManager in interface ScriptEngineResolver

getScriptEngine

public ScriptEngine getScriptEngine(String language,
                                    boolean resolveFromCache)

Returns a cached script engine or creates a new script engine if no such engine is currently cached.

Specified by:

getScriptEngine in interface ScriptEngineResolver

Parameters:

language - the language (such as 'groovy' for the script engine)

Returns:

the cached engine or null if no script engine can be created for the given language

getScriptEngine

protected ScriptEngine getScriptEngine(String language)

getJavaScriptScriptEngine

protected ScriptEngine getJavaScriptScriptEngine(String language)

isCachable

protected boolean isCachable(ScriptEngine scriptEngine)

Allows checking whether the script engine can be cached.

Parameters:

scriptEngine - the script engine to check.

Returns:

true if the script engine may be cached.

configureScriptEngines

protected void configureScriptEngines(String language,
                                      ScriptEngine scriptEngine)

configureGroovyScriptEngine

protected void configureGroovyScriptEngine(ScriptEngine scriptEngine)

Allows providing custom configuration for the groovy script engine.

Parameters:

scriptEngine - the groovy script engine to configure.

configureGraalJsScriptEngine

protected void configureGraalJsScriptEngine(ScriptEngine scriptEngine)

Allows providing custom configuration for the Graal JS script engine.

Parameters:

scriptEngine - the Graal JS script engine to configure.