com.goldencode.p2j.persist

Class OutputDataSetCopier

java.lang.Object

com.goldencode.p2j.persist.OutputDataSetCopier

All Implemented Interfaces:

Finalizable

public class OutputDataSetCopier
extends java.lang.Object
implements Finalizable

Class which is registered as a top-level finalizable and copies data in OUTPUT direction in DataSet parameter case. Normally output copy is performed when multiplex scope is closing, but for persistent procedures the scope can be closed after an external procedure finishes.

Field Summary

Fields

Modifier and Type	Field and Description
private static NanoTimer	COPIER Instrumentation for finished().
private DataSetParameter	outputParam The DataSet parameter where to copy the data.
private DataSet	srcDS A buffer of the DataSet which should be copied.

Constructor Summary

Constructors

Constructor and Description
OutputDataSetCopier(DataSet srcDS, DataSetParameter outputParam) Creates a copier for the DataSet.

Method Summary

Modifier and Type	Method and Description
void	deleted() No-op.
void	finished() Copies data in OUTPUT direction.
void	iterate() No-op.
void	retry() No-op.
WeightFactor	weight() Get the weight of this finalizable.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.goldencode.p2j.util.Finalizable

entry, initFailure

Field Detail

COPIER

private static final NanoTimer COPIER

Instrumentation for finished().

srcDS

private final DataSet srcDS

A buffer of the DataSet which should be copied.

outputParam

private DataSetParameter outputParam

The DataSet parameter where to copy the data.

Constructor Detail

OutputDataSetCopier

public OutputDataSetCopier(DataSet srcDS,
                           DataSetParameter outputParam)

Creates a copier for the DataSet.

Parameters:

srcDS - A buffer of the DataSet which should be copied.

outputParam - The DataSet parameter where to copy the data.

Method Detail

finished

public void finished()

Copies data in OUTPUT direction.

Specified by:

finished in interface Finalizable

deleted

public void deleted()

No-op.

Specified by:

deleted in interface Finalizable

iterate

public void iterate()

No-op.

Specified by:

iterate in interface Finalizable

retry

public void retry()

No-op.

Specified by:

retry in interface Finalizable

weight

public WeightFactor weight()

Get the weight of this finalizable. Instances will ordered by their weight, before they are processed.

Specified by:

weight in interface Finalizable

Returns:

The weight of this finalizable - WeightFactor.FIRST.