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BlobInfoStorage

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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)