Package com.nt.udc.util.state

Class StateMerger

java.lang.Object

com.nt.udc.util.state.StateMerger

Direct Known Subclasses:

TimedStateMerger

public class StateMerger
extends Object

This class is responsible for merging state directories together into a single merged directory.

Field Summary

Fields

Modifier and Type	Field	Description
protected File	baseStateDir
protected FileSystemCleaner	dirCleaner
protected LoggerIfc	logger
protected FilenameGenerator	mergeDirGenerator
protected String	stateBufferFileName
protected DatedStringComparator	stateDirComp
protected StateDirectorySaveable[]	stateDirObjArray
protected FilenameFilter	tmpAcceptFilter
protected FilenameFilter	tmpFilter

Constructor Summary

Constructors

Constructor	Description
StateMerger(LoggerIfc logger, File baseStateDir)	Creates a state directory merger.

Method Summary

Modifier and Type	Method	Description
File	mergeStateData()	This method merges all old relavent state directories into a single merged state directory.
void	setDirArray(StateDirectorySaveable[] array)	Sets the Objects that have specific state sub-directories, so that their own "merge" can be performed appropriately.
void	setStateBufferFileName(String stateBufferFileName)	Sets the current state buffer file.

Methods inherited from class java.lang.Object

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

Field Details

logger

protected LoggerIfc logger

baseStateDir

protected File baseStateDir

stateDirObjArray

protected StateDirectorySaveable[] stateDirObjArray

stateBufferFileName

protected String stateBufferFileName

dirCleaner

protected FileSystemCleaner dirCleaner

mergeDirGenerator

protected FilenameGenerator mergeDirGenerator

stateDirComp

protected DatedStringComparator stateDirComp

tmpFilter

protected FilenameFilter tmpFilter

tmpAcceptFilter

protected FilenameFilter tmpAcceptFilter

Constructor Details

StateMerger

public StateMerger(LoggerIfc logger,
 File baseStateDir)

Creates a state directory merger.

Parameters:

logger - Logger for warnings or errors.

baseStateDir - Root directory that holds the state directories.

Method Details

setDirArray

public void setDirArray(StateDirectorySaveable[] array)

Sets the Objects that have specific state sub-directories, so that their own "merge" can be performed appropriately.

Parameters:

array - Contains those Objects that need a specific merge.

setStateBufferFileName

public void setStateBufferFileName(String stateBufferFileName)

Sets the current state buffer file.

Parameters:

stateBufferFileName - Buffer file, containing the states.

mergeStateData

public File mergeStateData()
                    throws StateException

This method merges all old relavent state directories into a single merged state directory.

Returns:

New merged state directory

Throws:

StateException