Github user cwestin commented on a diff in the pull request:
https://github.com/apache/drill/pull/120#discussion_r39196959
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentManager.java
---
@@ -38,36 +37,43 @@
* @return True if the fragment has enough incoming data to be able to
be run.
* @throws FragmentSetupException, IOException
*/
- public abstract boolean handle(RawFragmentBatch batch) throws
FragmentSetupException, IOException;
+ boolean handle(RawFragmentBatch batch) throws FragmentSetupException,
IOException;
/**
* Get the fragment runner for this incoming fragment. Note, this can
only be requested once.
*
* @return
*/
- public abstract FragmentExecutor getRunnable();
+ FragmentExecutor getRunnable();
+
+ void cancel();
- public abstract void cancel();
+ /**
+ * Find out if the FragmentManager has been cancelled.
+ *
+ * @return true if the FragmentManager has been cancelled.
+ */
+ boolean isCancelled();
--- End diff --
Yes, this is a prerequisite for another patch that is coming.
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