org.camunda.bpm.engine.impl.scripting
Class ExecutableScript

java.lang.Object
  org.camunda.bpm.engine.impl.scripting.ExecutableScript

Direct Known Subclasses:

CompiledExecutableScript, DynamicExecutableScript

public abstract class ExecutableScript
extends Object

Represents an executable script.

Author:

Daniel Meyer

Field Summary

protected String

language The language of the script.

Constructor Summary

protected

ExecutableScript(String language)

Method Summary

protected abstract Object	evaluate(ScriptEngine scriptEngine, VariableScope variableScope, Bindings bindings)
Object	execute(ScriptEngine scriptEngine, VariableScope variableScope, Bindings bindings) Evaluates the script using the provided engine and bindings
String	getLanguage() The language in which the script is written.

Methods inherited from class java.lang.Object

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

Field Detail

language

protected final String language

The language of the script. Used to resolve the ScriptEngine.

Constructor Detail

ExecutableScript

protected ExecutableScript(String language)

Method Detail

getLanguage

public String getLanguage()

The language in which the script is written.

Returns:

the language

execute

public Object execute(ScriptEngine scriptEngine,
                      VariableScope variableScope,
                      Bindings bindings)

Evaluates the script using the provided engine and bindings

Parameters:

scriptEngine - the script engine to use for evaluating the script.

variableScope - the variable scope of the execution

bindings - the bindings to use for evaluating the script.

Returns:

the result of the script evaluation

Throws:

ProcessEngineException - in case the script cannot be evaluated.

evaluate

protected abstract Object evaluate(ScriptEngine scriptEngine,
                                   VariableScope variableScope,
                                   Bindings bindings)