Hystrix: Latency and Fault Tolerance for Distributed Systems

com.netflix.hystrix.collapser
Class RequestCollapser<BatchReturnType,ResponseType,RequestArgumentType>

java.lang.Object
  com.netflix.hystrix.collapser.RequestCollapser<BatchReturnType,ResponseType,RequestArgumentType>

@ThreadSafe
public class RequestCollapser<BatchReturnType,ResponseType,RequestArgumentType>
extends java.lang.Object

Requests are submitted to this and batches executed based on size or time. Scoped to either a request or the global application.

Instances of this are retrieved from the RequestCollapserFactory. Must be thread-safe since it exists within a RequestVariable which is request-scoped and can be accessed from multiple threads.

Method Summary

void	shutdown() Called from RequestVariable.shutdown() to unschedule the task.
rx.Observable<ResponseType>	submitRequest(RequestArgumentType arg) Submit a request to a batch.

Methods inherited from class java.lang.Object

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

Method Detail

submitRequest

public rx.Observable<ResponseType> submitRequest(RequestArgumentType arg)

Submit a request to a batch. If the batch maxSize is hit trigger the batch immediately.

Parameters:

arg -

Returns:

Observable

Throws:

java.lang.IllegalStateException - if submitting after shutdown

shutdown

public void shutdown()

Called from RequestVariable.shutdown() to unschedule the task.