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Java Source Code / Java Documentation » IDE Netbeans » refactoring.api » org.netbeans.modules.refactoring.spi 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.netbeans.modules.refactoring.spi.BackupFacility

BackupFacility
abstract public class BackupFacility (Code)
Simple backup facility can be used to backup files and implement undo For instance Java Refactoring module implements undo this way: public Problem prepare(RefactoringElementsBag elements) { . . elements.registerTransaction(new RetoucheCommit(results)); } where RetoucheCommit is Transaction:
 BackupFacility.Handle handle;
 public void commit() {
 FileObject[] files;
 .
 .
 handle = BackupFacility.getDefault().backup(files);
 doCommit();
 }
 public void rollback() {
 //rollback all files
 handle.restore();
 }
 
You can register your own implementation via META-INF services.
See Also:   Transaction
See Also:   RefactoringElementImplementation.performChange
See Also:   RefactoringElementImplementation.undoChange
See Also:   RefactoringElementsBag.registerTransaction
See Also:   RefactoringElementsBag.registerFileChange
See Also:   BackupFacility.Handle
author:
   Jan Becicka

Inner Class :public interface Handle



Method Summary
abstract public  Handlebackup(FileObject... file)
    
final public  Handlebackup(Collection<? extends FileObject> fileObjects)
    
abstract public  voidclear()
    
public static  BackupFacilitygetDefault()
     default instance of this class.



Method Detail
backup
abstract public Handle backup(FileObject... file) throws IOException(Code)
does beckup
Parameters:
  file - file(s) to backup handle which can be used to restore files
throws:
  java.io.IOException - if backup failed



backup
final public Handle backup(Collection<? extends FileObject> fileObjects) throws IOException(Code)
does backup
Parameters:
  fileObjects - FileObjects to backup handle which can be used to restore files
throws:
  java.io.IOException -



clear
abstract public void clear()(Code)
do cleanup all backup files are deleted all internal structures cleared default implementa



getDefault
public static BackupFacility getDefault()(Code)
default instance of this class. If there is instance of this class in META-INF services -> this class is returned. Otherwise default implementation is used.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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