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java.lang.Objectcom.google.appengine.api.blobstore.dev.BlobInfoStorage
public final class BlobInfoStorage
BlobInfoStorage provides persistence of blob metadata (in
the form of BlobInfo objects). It uses DatastoreService as its persistence mechanism.
| Constructor Summary | |
|---|---|
BlobInfoStorage()
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| 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)
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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 |
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public BlobInfoStorage()
| Method Detail |
|---|
public com.google.appengine.api.blobstore.BlobInfo loadBlobInfo(com.google.appengine.api.blobstore.BlobKey blobKey)
blobKey. Returns
null if no matching blob is found.
public com.google.appengine.api.blobstore.BlobInfo loadGsFileInfo(com.google.appengine.api.blobstore.BlobKey blobKey)
blobKey. Returns
null if no matching file is found.
public void saveBlobInfo(com.google.appengine.api.blobstore.BlobInfo blobInfo)
blobInfo.
public void deleteBlobInfo(com.google.appengine.api.blobstore.BlobKey blobKey)
blobKey.
protected com.google.appengine.api.datastore.Key getMetadataKeyForBlobKey(com.google.appengine.api.blobstore.BlobKey blobKey)
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