com.nt.udc.util.state

Class StateMerger

java.lang.Object

com.nt.udc.util.state.StateMerger

Direct Known Subclasses:

TimedStateMerger

public class StateMerger
extends java.lang.Object

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

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
java.io.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(java.lang.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 Detail

logger

protected LoggerIfc logger

baseStateDir

protected java.io.File baseStateDir

stateDirObjArray

protected StateDirectorySaveable[] stateDirObjArray

stateBufferFileName

protected java.lang.String stateBufferFileName

dirCleaner

protected FileSystemCleaner dirCleaner

mergeDirGenerator

protected FilenameGenerator mergeDirGenerator

stateDirComp

protected DatedStringComparator stateDirComp

tmpFilter

protected java.io.FilenameFilter tmpFilter

tmpAcceptFilter

protected java.io.FilenameFilter tmpAcceptFilter

Constructor Detail

StateMerger

public StateMerger(LoggerIfc logger,
           java.io.File baseStateDir)

Creates a state directory merger.

Parameters:

logger - Logger for warnings or errors.

baseStateDir - Root directory that holds the state directories.

Method Detail

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(java.lang.String stateBufferFileName)

Sets the current state buffer file.

Parameters:

stateBufferFileName - Buffer file, containing the states.

mergeStateData

public java.io.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