org.jppf.scripting
Class RhinoScriptRunner

java.lang.Object
  org.jppf.scripting.RhinoScriptRunner

All Implemented Interfaces:

ScriptRunner

public class RhinoScriptRunner
extends Object
implements ScriptRunner

Script runner wrapper around a Rhino script engine.

Author:

Laurent Cohen

Nested Class Summary

static class

RhinoScriptRunner.ErrorHandler Error handler for this script runner.

Constructor Summary

RhinoScriptRunner()
Initialize the Rhino environment.

Method Summary

void	cleanup() Perform cleanup after we're done using this script runner.
Object	evaluate(String script, Map<String,Object> variables) Evaluate the script specified as input and get the evaluation result.
Object	evaluate(String scriptId, String script, Map<String,Object> variables) Evaluate the script specified as input and get the evaluation result.
void	init() Initialize the execution environment.

Methods inherited from class java.lang.Object

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

Constructor Detail

RhinoScriptRunner

public RhinoScriptRunner()

Initialize the Rhino environment.

Method Detail

evaluate

public Object evaluate(String script,
                       Map<String,Object> variables)
                throws JPPFScriptingException

Evaluate the script specified as input and get the evaluation result.

Specified by:

evaluate in interface ScriptRunner

Parameters:

script - a string containing the script to evaluate.

variables - a mapping of objects to add the scope of the script.

Returns:

the result of the evaluation as an object.

Throws:

JPPFScriptingException - if an error occurs while evaluating the script.

See Also:

ScriptRunner.evaluate(java.lang.String script, java.util.Map)

evaluate

public Object evaluate(String scriptId,
                       String script,
                       Map<String,Object> variables)
                throws JPPFScriptingException

Evaluate the script specified as input and get the evaluation result.

Specified by:

evaluate in interface ScriptRunner

Parameters:

scriptId - - a unique identifer for the script, to be used if the engine generates compiled code which can be later retrieved through this id.

script - - a string containing the script to evaluate.

variables - - a mapping of objects to variable names, added within the scope of the script.

Returns:

the result of the evaluation as an object. The actual type of the result depends on the scripting engine that is used.

Throws:

JPPFScriptingException - if an error occurs while evaluating the script.

See Also:

ScriptRunner.evaluate(java.lang.String, java.lang.String, java.util.Map)

init

public void init()

Initialize the execution environment.

Specified by:

init in interface ScriptRunner

See Also:

ScriptRunner.init()

cleanup

public void cleanup()

Perform cleanup after we're done using this script runner.

Specified by:

cleanup in interface ScriptRunner

See Also:

ScriptRunner.cleanup()