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https://issues.apache.org/jira/browse/STORM-1187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15057314#comment-15057314
]
ASF GitHub Bot commented on STORM-1187:
---------------------------------------
Github user satishd commented on a diff in the pull request:
https://github.com/apache/storm/pull/900#discussion_r47595114
--- Diff:
storm-core/test/jvm/backtype/storm/windowing/WaterMarkEventGeneratorTest.java
---
@@ -0,0 +1,100 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package backtype.storm.windowing;
+
+import backtype.storm.generated.GlobalStreamId;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static org.junit.Assert.*;
+
+/**
+ * Unit tests for {@link WaterMarkEventGeneratorTest}
--- End diff --
Minor typo: Unit tests for {@link WaterMarkEventGenerator} instead of Unit
tests for {@link WaterMarkEventGeneratorTest}
> Support for late and out of order events in time based windows
> --------------------------------------------------------------
>
> Key: STORM-1187
> URL: https://issues.apache.org/jira/browse/STORM-1187
> Project: Apache Storm
> Issue Type: Sub-task
> Reporter: Arun Mahadevan
> Assignee: Arun Mahadevan
>
> Right now the time based windows uses the timestamp when the tuple is
> received by the bolt.
> However there are use cases where the tuples can be processed based on the
> time when they are actually generated vs the time when they are received. So
> we need to add support for processing events with a time lag and also have
> some way to specify and read tuple timestamps.
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