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

Class DefaultScriptEngineResolver

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.Map<java.lang.String,​javax.script.ScriptEngine> cachedEngines  
      protected javax.script.ScriptEngineManager scriptEngineManager  

    • Constructor Summary

      Constructors 
      Constructor Description
      DefaultScriptEngineResolver​(javax.script.ScriptEngineManager scriptEngineManager)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addScriptEngineFactory​(javax.script.ScriptEngineFactory scriptEngineFactory)  
      protected void configureGraalJsScriptEngine​(javax.script.ScriptEngine scriptEngine)
      Allows providing custom configuration for the Graal JS script engine.
      protected void configureGroovyScriptEngine​(javax.script.ScriptEngine scriptEngine)
      Allows providing custom configuration for the groovy script engine.
      protected void configureScriptEngines​(java.lang.String language, javax.script.ScriptEngine scriptEngine)  
      protected javax.script.ScriptEngine getJavaScriptScriptEngine​(java.lang.String language)  
      protected javax.script.ScriptEngine getScriptEngine​(java.lang.String language)  
      javax.script.ScriptEngine getScriptEngine​(java.lang.String language, boolean resolveFromCache)
      Returns a cached script engine or creates a new script engine if no such engine is currently cached.
      javax.script.ScriptEngineManager getScriptEngineManager()  
      protected boolean isCachable​(javax.script.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 javax.script.ScriptEngineManager scriptEngineManager

      • cachedEngines

        protected java.util.Map<java.lang.String,​javax.script.ScriptEngine> cachedEngines

    • Constructor Detail

      • DefaultScriptEngineResolver

        public DefaultScriptEngineResolver​(javax.script.ScriptEngineManager scriptEngineManager)

    • Method Detail

      • getScriptEngine

        public javax.script.ScriptEngine getScriptEngine​(java.lang.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 javax.script.ScriptEngine getScriptEngine​(java.lang.String language)

      • getJavaScriptScriptEngine

        protected javax.script.ScriptEngine getJavaScriptScriptEngine​(java.lang.String language)

      • isCachable

        protected boolean isCachable​(javax.script.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​(java.lang.String language,
                                      javax.script.ScriptEngine scriptEngine)

      • configureGroovyScriptEngine

        protected void configureGroovyScriptEngine​(javax.script.ScriptEngine scriptEngine)
        Allows providing custom configuration for the groovy script engine.
        Parameters:
        scriptEngine - the groovy script engine to configure.

      • configureGraalJsScriptEngine

        protected void configureGraalJsScriptEngine​(javax.script.ScriptEngine scriptEngine)
        Allows providing custom configuration for the Graal JS script engine.
        Parameters:
        scriptEngine - the Graal JS script engine to configure.