org.apache.hadoop.fs.s3a.impl

Class InputStreamCallbacksImpl

java.lang.Object

org.apache.hadoop.fs.s3a.impl.InputStreamCallbacksImpl

All Implemented Interfaces:

Closeable, AutoCloseable, ObjectInputStreamCallbacks

public class InputStreamCallbacksImpl
extends Object
implements ObjectInputStreamCallbacks

Callbacks for object stream operations.

Constructor Summary

Constructors

Constructor and Description
InputStreamCallbacksImpl(org.apache.hadoop.fs.store.audit.AuditSpan auditSpan, S3AStore store, S3AFileSystemOperations fsOperations, ThreadPoolExecutor threadPool) Create.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the audit span.
software.amazon.awssdk.core.ResponseInputStream<software.amazon.awssdk.services.s3.model.GetObjectResponse>	getObject(software.amazon.awssdk.services.s3.model.GetObjectRequest request) Execute the request.
software.amazon.awssdk.services.s3.model.GetObjectRequest.Builder	newGetRequestBuilder(String key) Create a GET request builder.
<T> CompletableFuture<T>	submit(org.apache.hadoop.util.functional.CallableRaisingIOE<T> operation) Submit some asynchronous work, for example, draining a stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InputStreamCallbacksImpl

public InputStreamCallbacksImpl(org.apache.hadoop.fs.store.audit.AuditSpan auditSpan,
                                S3AStore store,
                                S3AFileSystemOperations fsOperations,
                                ThreadPoolExecutor threadPool)

Create.

Parameters:

auditSpan - Audit span to activate before each call.

store - store operations

fsOperations - crypto FS operations.

threadPool - thread pool for async operations.

Method Detail

close

public void close()

Closes the audit span.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

newGetRequestBuilder

public software.amazon.awssdk.services.s3.model.GetObjectRequest.Builder newGetRequestBuilder(String key)

Description copied from interface: ObjectInputStreamCallbacks

Create a GET request builder.

Specified by:

newGetRequestBuilder in interface ObjectInputStreamCallbacks

Parameters:

key - object key

Returns:

the request builder

getObject

public software.amazon.awssdk.core.ResponseInputStream<software.amazon.awssdk.services.s3.model.GetObjectResponse> getObject(software.amazon.awssdk.services.s3.model.GetObjectRequest request)
                                                                                                                      throws IOException

Description copied from interface: ObjectInputStreamCallbacks

Execute the request. When CSE is enabled with reading of unencrypted data, The object is checked if it is encrypted and if so, the request is made with encrypted S3 client. If the object is not encrypted, the request is made with unencrypted s3 client.

Specified by:

getObject in interface ObjectInputStreamCallbacks

Parameters:

request - the request

Returns:

the response

Throws:

IOException - on any failure.

submit

public <T> CompletableFuture<T> submit(org.apache.hadoop.util.functional.CallableRaisingIOE<T> operation)

Description copied from interface: ObjectInputStreamCallbacks

Submit some asynchronous work, for example, draining a stream.

Specified by:

submit in interface ObjectInputStreamCallbacks

Type Parameters:

T - return type

Parameters:

operation - operation to invoke

Returns:

a future.