Package com.netflix.genie.agent.execution.services.impl.grpc

Class GRpcAgentFileStreamServiceImpl

java.lang.Object

com.netflix.genie.agent.execution.services.impl.grpc.GRpcAgentFileStreamServiceImpl

All Implemented Interfaces:

AgentFileStreamService

public class GRpcAgentFileStreamServiceImpl
extends Object
implements AgentFileStreamService

Implementation of AgentFileStreamService over gRPC. Sets up a persistent 2-way stream ('sync') to push manifest updates and receive file requests. When a file request is received, a creates a new 2 way stream ('transmit') and pushes file chunks, waits for ACK, sends the next chunk, ... until the file range requested is transmitted. Then the stream is shut down.

Since:

4.0.0

Method Summary

Modifier and Type	Method	Description
Optional<ScheduledFuture<?>>	forceServerSync()	Request the service perform an update outside of the regular schedule to make sure the server has the most up-to-date view of local files.
void	start(String claimedJobId, Path jobDirectoryRoot)	Start the service.
void	stop()	Stop the service.

Methods inherited from class java.lang.Object

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

Method Details

start

public void start(String claimedJobId,
 Path jobDirectoryRoot)

Start the service.

Specified by:

start in interface AgentFileStreamService

Parameters:

claimedJobId - the claimed job id

jobDirectoryRoot - the job directory

stop

public void stop()

Stop the service.

Specified by:

stop in interface AgentFileStreamService

forceServerSync

public Optional<ScheduledFuture<?>> forceServerSync()

Request the service perform an update outside of the regular schedule to make sure the server has the most up-to-date view of local files.

Specified by:

forceServerSync in interface AgentFileStreamService

Returns:

a scheduled future optional, which the caller can use to synchronously wait on the operation completion and outcome. The optional is empty if the task was not scheduled (because the service is not running).