com.google.appengine.api.blobstore.dev
Class BlobInfoStorage

java.lang.Object
  com.google.appengine.api.blobstore.dev.BlobInfoStorage

public final class BlobInfoStorage
extends java.lang.Object

BlobInfoStorage provides persistence of blob metadata (in the form of BlobInfo objects). It uses DatastoreService as its persistence mechanism.

Constructor Summary

BlobInfoStorage()

Method Summary

void	deleteBlobInfo(com.google.appengine.api.blobstore.BlobKey blobKey) Delete the metadata associated with blobKey.
protected com.google.appengine.api.datastore.Key	getMetadataKeyForBlobKey(com.google.appengine.api.blobstore.BlobKey blobKey)
com.google.appengine.api.blobstore.BlobInfo	loadBlobInfo(com.google.appengine.api.blobstore.BlobKey blobKey) Load blob metadata for blobKey.
void	saveBlobInfo(com.google.appengine.api.blobstore.BlobInfo blobInfo) Save the metadata in blobInfo.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlobInfoStorage

public BlobInfoStorage()

Method Detail

loadBlobInfo

public com.google.appengine.api.blobstore.BlobInfo loadBlobInfo(com.google.appengine.api.blobstore.BlobKey blobKey)

Load blob metadata for blobKey. Returns null if no matching blob is found.

saveBlobInfo

public void saveBlobInfo(com.google.appengine.api.blobstore.BlobInfo blobInfo)

Save the metadata in blobInfo.

deleteBlobInfo

public void deleteBlobInfo(com.google.appengine.api.blobstore.BlobKey blobKey)

Delete the metadata associated with blobKey.

getMetadataKeyForBlobKey

protected com.google.appengine.api.datastore.Key getMetadataKeyForBlobKey(com.google.appengine.api.blobstore.BlobKey blobKey)