Improve error messaging for OperatorStats assertion messages.

Project: http://git-wip-us.apache.org/repos/asf/incubator-drill/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-drill/commit/d7a75dda
Tree: http://git-wip-us.apache.org/repos/asf/incubator-drill/tree/d7a75dda
Diff: http://git-wip-us.apache.org/repos/asf/incubator-drill/diff/d7a75dda

Branch: refs/heads/master
Commit: d7a75ddaf9e2f2e998b071fc1f3fad1b3579f01c
Parents: e2f57b4
Author: Jacques Nadeau <[email protected]>
Authored: Tue Jun 17 09:28:09 2014 -0700
Committer: Jacques Nadeau <[email protected]>
Committed: Tue Jun 17 16:04:39 2014 -0700

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 .../java/org/apache/drill/exec/ops/OperatorStats.java   | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/d7a75dda/exec/java-exec/src/main/java/org/apache/drill/exec/ops/OperatorStats.java
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diff --git 
a/exec/java-exec/src/main/java/org/apache/drill/exec/ops/OperatorStats.java 
b/exec/java-exec/src/main/java/org/apache/drill/exec/ops/OperatorStats.java
index 4afea7b..7d1e9dc 100644
--- a/exec/java-exec/src/main/java/org/apache/drill/exec/ops/OperatorStats.java
+++ b/exec/java-exec/src/main/java/org/apache/drill/exec/ops/OperatorStats.java
@@ -67,40 +67,40 @@ public class OperatorStats {
   }
 
   public void startSetup() {
-    assert !inSetup;
+    assert !inSetup  : "Failure while starting setup.  Currently in setup.";
     stopProcessing();
     inSetup = true;
     setupMark = System.nanoTime();
   }
 
   public void stopSetup() {
-    assert inSetup;
+    assert inSetup :  "Failure while stopping setup.  Not currently in setup.";
     startProcessing();
     setupNanos += System.nanoTime() - setupMark;
     inSetup = false;
   }
 
   public void startProcessing() {
-    assert !inProcessing;
+    assert !inProcessing : "Failure while starting processing.  Currently in 
processing.";
     processingMark = System.nanoTime();
     inProcessing = true;
   }
 
   public void stopProcessing() {
-    assert inProcessing;
+    assert inProcessing : "Failure while stopping processing.  Not currently 
in processing.";
     processingNanos += System.nanoTime() - processingMark;
     inProcessing = false;
   }
 
   public void startWait() {
-    assert !inWait;
+    assert !inWait : "Failure while starting waiting.  Currently in waiting.";
     stopProcessing();
     inWait = true;
     waitMark = System.nanoTime();
   }
 
   public void stopWait() {
-    assert inWait;
+    assert inWait : "Failure while stopping waiting.  Currently not in 
waiting.";
     startProcessing();
     waitNanos += System.nanoTime() - waitMark;
     inWait = false;

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