org.apache.flink.runtime.blob

Interface BlobStore

All Superinterfaces:

BlobView

All Known Subinterfaces:

BlobStoreService

All Known Implementing Classes:

FileSystemBlobStore, VoidBlobStore

public interface BlobStore
extends BlobView

A blob store.

Method Summary

Methods

Modifier and Type	Method and Description
void	delete(BlobKey blobKey) Tries to delete a blob from storage.
void	delete(JobID jobId, String key) Tries to delete a blob from storage.
void	deleteAll(JobID jobId) Tries to delete all blobs for the given job from storage.
void	put(File localFile, BlobKey blobKey) Copies the local file to the blob store.
void	put(File localFile, JobID jobId, String key) Copies a local file to the blob store.

Methods inherited from interface org.apache.flink.runtime.blob.BlobView

get, get

Method Detail

put

void put(File localFile,
       BlobKey blobKey)
         throws IOException

Copies the local file to the blob store.

Parameters:

localFile - The file to copy

blobKey - The ID for the file in the blob store

Throws:

IOException - If the copy fails

put

void put(File localFile,
       JobID jobId,
       String key)
         throws IOException

Copies a local file to the blob store.

The job ID and key make up a composite key for the file.

Parameters:

localFile - The file to copy

jobId - The JobID part of ID for the file in the blob store

key - The String part of ID for the file in the blob store

Throws:

IOException - If the copy fails

delete

void delete(BlobKey blobKey)

Tries to delete a blob from storage.

NOTE: This also tries to delete any created directories if empty.

Parameters:

blobKey - The blob ID

delete

void delete(JobID jobId,
          String key)

Tries to delete a blob from storage.

NOTE: This also tries to delete any created directories if empty.

Parameters:

jobId - The JobID part of ID for the blob

key - The String part of ID for the blob

deleteAll

void deleteAll(JobID jobId)

Tries to delete all blobs for the given job from storage.

NOTE: This also tries to delete any created directories if empty.

Parameters:

jobId - The JobID part of all blobs to delete