org.eclipse.smila.processing.worker
Class PipelineProcessingWorker

java.lang.Object
  org.eclipse.smila.processing.worker.PipelineProcessingWorker

All Implemented Interfaces:

Worker

public class PipelineProcessingWorker
extends java.lang.Object
implements Worker

A worker that is able to execute a pipeline.

Field Summary

static int	DEFAULT_NUMBER_OF_PARALLEL_RECORDS default number of parallel records to be processed in one go.
static java.lang.String	INPUT_SLOT_NAME the workers input slot name .
static java.lang.String	KEY_NUMBER_OF_PARALLEL_RECORDS key for the number of parallel records for one execution of the pipeline.
static java.lang.String	KEY_PIPELINE_NAME key for the pipeline's name.
static java.lang.String	OUTPUT_SLOT_NAME the workers output slot name .
static java.lang.String	WORKER_NAME worker's name.

Constructor Summary

PipelineProcessingWorker()

Method Summary

java.lang.String	getName()
void	perform(TaskContext taskContext) Performs a computation on the data available in the TaskContext, such as a task for this worker, input and (if configured) output slots.
void	setBlackboardFactory(BlackboardFactory factory) set blackboard factory reference (used by DS).
void	setProcessor(WorkflowProcessor processor) set workflow processor reference (used by DS).
void	unsetBlackboardFactory(BlackboardFactory factory) remove blackboard factory reference (used by DS).
void	unsetProcessor(WorkflowProcessor processor) remove workflow processor reference (used by DS).

Methods inherited from class java.lang.Object

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

Field Detail

WORKER_NAME

public static final java.lang.String WORKER_NAME

worker's name.

See Also:

Constant Field Values

KEY_PIPELINE_NAME

public static final java.lang.String KEY_PIPELINE_NAME

key for the pipeline's name.

See Also:

Constant Field Values

KEY_NUMBER_OF_PARALLEL_RECORDS

public static final java.lang.String KEY_NUMBER_OF_PARALLEL_RECORDS

key for the number of parallel records for one execution of the pipeline.

See Also:

Constant Field Values

DEFAULT_NUMBER_OF_PARALLEL_RECORDS

public static final int DEFAULT_NUMBER_OF_PARALLEL_RECORDS

default number of parallel records to be processed in one go.

See Also:

Constant Field Values

INPUT_SLOT_NAME

public static final java.lang.String INPUT_SLOT_NAME

the workers input slot name .

See Also:

Constant Field Values

OUTPUT_SLOT_NAME

public static final java.lang.String OUTPUT_SLOT_NAME

the workers output slot name .

See Also:

Constant Field Values

Constructor Detail

PipelineProcessingWorker

public PipelineProcessingWorker()

Method Detail

perform

public void perform(TaskContext taskContext)
             throws java.lang.Exception

Performs a computation on the data available in the TaskContext, such as a task for this worker, input and (if configured) output slots. An implementor must make sure, calls to this method must be thread-safe!

Specified by:

perform in interface Worker

Parameters:

taskContext - the TaskContext information with which this operation can be performed.

Throws:

java.lang.Exception

getName

public java.lang.String getName()

Specified by:

getName in interface Worker

Returns:

"pipelineProcessingWorker"

setProcessor

public void setProcessor(WorkflowProcessor processor)

set workflow processor reference (used by DS).

unsetProcessor

public void unsetProcessor(WorkflowProcessor processor)

remove workflow processor reference (used by DS).

setBlackboardFactory

public void setBlackboardFactory(BlackboardFactory factory)

set blackboard factory reference (used by DS).

unsetBlackboardFactory

public void unsetBlackboardFactory(BlackboardFactory factory)

remove blackboard factory reference (used by DS).