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org.apache.derby.impl.store.raw.data
Class RFResource  

java.lang.Object
  org.apache.derby.impl.store.raw.data.RFResource

All Implemented Interfaces:

org.apache.derby.iapi.store.access.FileResource

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public class RFResource

extends java.lang.Object

implements org.apache.derby.iapi.store.access.FileResource

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Field Summary
protected  BaseDataFileFactory	factory

 

Constructor Summary

RFResource(BaseDataFileFactory dataFactory)

 

Method Summary
long	add(java.lang.String name, java.io.InputStream source)           Add a file resource, copying from the input stream.
org.apache.derby.io.StorageFile	getAsFile(java.lang.String name)           Get the File handle to a file resource.
org.apache.derby.io.StorageFile	getAsFile(java.lang.String name, long generationId)           Get the File handle to a file resource.
java.io.InputStream	getAsStream(java.lang.String name)           Get the file resource as a stream.
java.io.InputStream	getAsStream(java.lang.String name, long generationId)           Get the file resource as a stream.
char	getSeparatorChar()
protected  org.apache.derby.iapi.services.daemon.Serviceable	privRemoveFile(org.apache.derby.io.StorageFile file)
protected  RemoveFileOperation	privRemoveFileOperation(java.lang.String name, long generationId, boolean removeAtOnce)
void	purgeOldGenerations(org.apache.derby.iapi.store.access.DatabaseInstant purgeTo)           Purge old generations that were removed or replaced before the database instant provided.
void	remove(java.lang.String name, long currentGenerationId, boolean purgeOnCommit)           Remove the current generation of a file resource from the database.
long	replace(java.lang.String name, long currentGenerationId, java.io.InputStream source, boolean purgeOnCommit)           Replace a file resource with a new version.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

factory

protected final BaseDataFileFactory factory

Constructor Detail

RFResource

public RFResource(BaseDataFileFactory dataFactory)

Method Detail

add

public long add(java.lang.String name,
                java.io.InputStream source)
         throws org.apache.derby.iapi.error.StandardException

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Add a file resource, copying from the input stream. The InputStream will be closed by this method.

Specified by:

add in interface org.apache.derby.iapi.store.access.FileResource

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remove

public void remove(java.lang.String name,
                   long currentGenerationId,
                   boolean purgeOnCommit)
            throws org.apache.derby.iapi.error.StandardException

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Remove the current generation of a file resource from the database.

Specified by:

remove in interface org.apache.derby.iapi.store.access.FileResource

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replace

public long replace(java.lang.String name,
                    long currentGenerationId,
                    java.io.InputStream source,
                    boolean purgeOnCommit)
             throws org.apache.derby.iapi.error.StandardException

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Replace a file resource with a new version.

The InputStream will be closed by this method.

Specified by:

replace in interface org.apache.derby.iapi.store.access.FileResource

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getAsFile

public org.apache.derby.io.StorageFile getAsFile(java.lang.String name,
                                                 long generationId)

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Get the File handle to a file resource. In some situations higher level code can make optimisations if it can access a file as a File, rather than an output stream. If this call returns null then the resouce is not accessable as a file (e.g. the database is in a zip file).

Specified by:

getAsFile in interface org.apache.derby.iapi.store.access.FileResource

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getAsFile

public org.apache.derby.io.StorageFile getAsFile(java.lang.String name)

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Get the File handle to a file resource. In some situations higher level code can make optimisations if it can access a file as a File, rather than an output stream. If this call returns null then the resouce is not accessable as a file (e.g. the database is in a zip file).

Specified by:

getAsFile in interface org.apache.derby.iapi.store.access.FileResource

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getAsStream

public java.io.InputStream getAsStream(java.lang.String name,
                                       long generationId)
                                throws java.io.IOException

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Get the file resource as a stream.

Specified by:

getAsStream in interface org.apache.derby.iapi.store.access.FileResource

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getAsStream

public java.io.InputStream getAsStream(java.lang.String name)
                                throws java.io.IOException

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Get the file resource as a stream.

Specified by:

getAsStream in interface org.apache.derby.iapi.store.access.FileResource

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purgeOldGenerations

public void purgeOldGenerations(org.apache.derby.iapi.store.access.DatabaseInstant purgeTo)

Description copied from interface: org.apache.derby.iapi.store.access.FileResource

Purge old generations that were removed or replaced before the database instant provided.

Specified by:

purgeOldGenerations in interface org.apache.derby.iapi.store.access.FileResource

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getSeparatorChar

public char getSeparatorChar()

Specified by:

getSeparatorChar in interface org.apache.derby.iapi.store.access.FileResource

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privRemoveFile

protected org.apache.derby.iapi.services.daemon.Serviceable privRemoveFile(org.apache.derby.io.StorageFile file)

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privRemoveFileOperation

protected RemoveFileOperation privRemoveFileOperation(java.lang.String name,
                                                      long generationId,
                                                      boolean removeAtOnce)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> derby >> impl >> store >> raw >> [ data overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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