org.apache.druid.frame.file

Class FrameFilePartialFetch

java.lang.Object

org.apache.druid.frame.file.FrameFilePartialFetch

public class FrameFilePartialFetch
extends Object

Response object for FrameFileHttpResponseHandler. The handler mutates this object on each chunk of a chunked response. When the response is done, this object is returned to the caller.

Method Summary

Modifier and Type	Method and Description
com.google.common.util.concurrent.ListenableFuture<?>	backpressureFuture() Future that resolves when it is a good time to request the next chunk of the frame file.
Throwable	getExceptionCaught() The exception that was encountered, if isExceptionCaught() is true.
boolean	isExceptionCaught() Whether an exception was encountered during response processing.
boolean	isLastFetch()

Methods inherited from class java.lang.Object

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

Method Detail

isLastFetch

public boolean isLastFetch()

getExceptionCaught

public Throwable getExceptionCaught()

The exception that was encountered, if isExceptionCaught() is true.

Throws:

IllegalStateException - if no exception was caught

isExceptionCaught

public boolean isExceptionCaught()

Whether an exception was encountered during response processing.

backpressureFuture

public com.google.common.util.concurrent.ListenableFuture<?> backpressureFuture()

Future that resolves when it is a good time to request the next chunk of the frame file. Must only be called once, because the future is cleared once it is returned.