Package scriptella.execution

Class ExecutionStatisticsBuilder

java.lang.Object

scriptella.execution.ExecutionStatisticsBuilder

Direct Known Subclasses:

SilentExecutionStatisticsBuilder

public class ExecutionStatisticsBuilder
extends Object

A builder for execution statistics.

This class collects runtime ETL execution statistics, the usage contract is the following:

• etlStarted() invoked on ETL start.
• Call elementStarted(Location,Connection) before executing an element.
• Call elementExecuted() or elementFailed() after executing an element.
• etlComplete() invoked when ETL completes.
• Obtain statistics after ETL completes.

Notes:

• Start/End element callbacks sequence must comply with executing elements position in a XML file.
• This class is not thread safe.

Version:

1.0

Author:

Fyodor Kupolov

Field Summary

Fields

Modifier and Type	Field	Description
protected scriptella.execution.ExecutionStatisticsBuilder.ElementsStack	executionStack

Constructor Summary

Constructors

Constructor	Description
ExecutionStatisticsBuilder()

Method Summary

Modifier and Type	Method	Description
void	elementExecuted()	This method is called when element has been executed.
void	elementFailed()
void	elementStarted(Location loc, Connection connection)	Called when new element execution started.
void	etlComplete()	Invoked on ETL completion.
void	etlStarted()	Invoked on ETL start
ExecutionStatistics	getStatistics()

Methods inherited from class java.lang.Object

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

Field Details

executionStack

protected scriptella.execution.ExecutionStatisticsBuilder.ElementsStack executionStack

Constructor Details

ExecutionStatisticsBuilder

public ExecutionStatisticsBuilder()

Method Details

elementStarted

public void elementStarted(Location loc,
 Connection connection)

Called when new element execution started.

Parameters:

loc - element location.

elementExecuted

public void elementExecuted()

This method is called when element has been executed.

etlStarted

public void etlStarted()

Invoked on ETL start

etlComplete

public void etlComplete()

Invoked on ETL completion.

elementFailed

public void elementFailed()

getStatistics

public ExecutionStatistics getStatistics()