BlobInfoStorage

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

    Constructors 

    Constructor and Description
    BlobInfoStorage()

  • Method Summary

    All Methods Instance Methods Concrete Methods 

    Modifier and Type	Method and Description
    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.
    com.google.appengine.api.blobstore.BlobInfo	loadGsFileInfo(com.google.appengine.api.blobstore.BlobKey blobKey) Load Google Storage file metadata for a 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.

    • loadGsFileInfo

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

      Load Google Storage file metadata for a blobKey. Returns null if no matching file 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)