com.tagtraum.perf.gcviewer.imp

Class DataReaderFacade

java.lang.Object

com.tagtraum.perf.gcviewer.imp.DataReaderFacade

public class DataReaderFacade
extends Object

DataReaderFacade is a helper class providing a simple interface to read a gc log file including standard error handling.

Author:

Joerg Wuethrich

Constructor Summary

Constructors

Constructor and Description
DataReaderFacade()

Method Summary

Modifier and Type	Method and Description
void	addPropertyChangeListener(PropertyChangeListener listener) Add propertyChangeListener for underlying MonitoredBufferedInputStreams property "progress".
GCModel	loadModel(GCResource gcResource) Loads a model from a given gcResource logging all exceptions that occur.
protected GCModel	loadModelFromSeries(GcResourceSeries gcResource) Loads the GCResources as a rotated series of logfiles.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataReaderFacade

public DataReaderFacade()

Method Detail

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

Add propertyChangeListener for underlying MonitoredBufferedInputStreams property "progress".

Parameters:

listener - component requiring to listen to progress changes

loadModel

public GCModel loadModel(GCResource gcResource)
                  throws DataReaderException

Loads a model from a given gcResource logging all exceptions that occur.

Parameters:

gcResource - where to find data to be parsed

Returns:

instance of GCModel containing all information that was parsed

Throws:

DataReaderException - if any exception occurred, it is logged and added as the cause to this exception

loadModelFromSeries

protected GCModel loadModelFromSeries(GcResourceSeries gcResource)
                               throws DataReaderException

Loads the GCResources as a rotated series of logfiles. Takes care of ordering them

Parameters:

gcResource - the GcResourceSeries to load

Returns:

a GCModel containing all events found in the given GCResources that were readable

Throws:

DataReaderException - thrown in case of some parser failure