Package org.jppf.job

Class ScriptedJobSelector

java.lang.Object

org.jppf.scripting.BaseScriptEvaluator

org.jppf.job.ScriptedJobSelector

All Implemented Interfaces:

Serializable, JobSelector

public class ScriptedJobSelector
extends BaseScriptEvaluator
implements JobSelector

A job selector that uses a script to accept jobs. The script is evaluated using the javax.script.* API (JSR-223).

When the script is executed, it provides access to a variable named "jppfJob" which is an instance of JPPFDistributedJob.

Since:

5.1

Author:

Laurent Cohen

See Also:

• Serialized Form

Field Summary

Fields inherited from interface org.jppf.job.JobSelector

ALL_JOBS

Constructor Summary

Constructors

Constructor	Description
ScriptedJobSelector(String language, File scriptFile)	Initialize this selector with the specfied language and script file.
ScriptedJobSelector(String language, Reader scriptReader)	Initialize this selector with the specfied language and script reader.
ScriptedJobSelector(String language, String script)	Initialize this selector with the specfied language and script.

Method Summary

Modifier and Type	Method	Description
boolean	accepts(JPPFDistributedJob job)	Determine whether the specified job is accepted by this selector.

Methods inherited from class org.jppf.scripting.BaseScriptEvaluator

evaluate, getLanguage, getScript, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jppf.job.JobSelector

and, negate, or, xor

Constructor Details

ScriptedJobSelector

public ScriptedJobSelector(String language,
 String script)

Initialize this selector with the specfied language and script.

Parameters:

language - the language of the script to evaluate.

script - the script to evaluate.

ScriptedJobSelector

public ScriptedJobSelector(String language,
 Reader scriptReader)
                    throws IOException

Initialize this selector with the specfied language and script reader.

Parameters:

language - the language of the script to evaluate.

scriptReader - a reader from which to read the script to evaluate.

Throws:

IOException - if the script could not be read.

ScriptedJobSelector

public ScriptedJobSelector(String language,
 File scriptFile)
                    throws IOException

Initialize this selector with the specfied language and script file.

Parameters:

language - the language of the script to evaluate.

scriptFile - a file from which to read the script to evaluate.

Throws:

IOException - if the script could not be read.

Method Details

accepts

public boolean accepts(JPPFDistributedJob job)

Description copied from interface: JobSelector

Determine whether the specified job is accepted by this selector.

Specified by:

accepts in interface JobSelector

Parameters:

job - the job to check.

Returns:

true if the job is acepted, false otherwise.