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See:
Description
| Interface Summary | |
|---|---|
| FileReadChannel | An ReadableByteChannel for reading bytes from an
AppEngineFile. |
| FileService | This is the interface for interacting with the Google App Engine File Service. |
| FileWriteChannel | An WritableByteChannel for appending bytes to an
AppEngineFile. |
| RecordReadChannel | A channel for reading records from a FileReadChannel. |
| RecordWriteChannel | A WritableByteChannel for writing records to an FileWriteChannel. |
| Class Summary | |
|---|---|
| AppEngineFile | An AppEngineFile represents a file in one of the Google App Engine
file systems. |
| Crc32c | This class generates a CRC32C checksum, defined by rfc3720 section B.4. |
| FileServiceFactory | A factory for producing instances of FileService. |
| GSFileOptions | Container class for holding options for creating Google Storage files. |
| GSFileOptions.GSFileOptionsBuilder | A builder of GSFileOptions. |
| Enum Summary | |
|---|---|
| AppEngineFile.FileSystem | Represents the back-end storage location of a file. |
| Exception Summary | |
|---|---|
| FinalizationException | An Exception that indicates that a file is in the wrong finalization
state. |
| KeyOrderingException | A KeyOrderingException is thrown by the method
FileWriteChannel.write(ByteBuffer, String) if the sequenceKey
parameter is not null and the backend system already has recorded a
last good sequence key for the file and sequenceKey is not
lexicographically strictly greater than the last good sequence key. |
| LockException | An exception that indicates one of two possible cases: An exclusive lock on a file is held by a different App Engine request and so the file may not be accessed in this request This request is trying to acquire an exclusive lock on a file but the file is already opened in a different App Engine request |
Provides a service for file storage and access.
FileService,
The Google Cloud Storage API in the Google App Engine Developer's Guide.
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