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https://issues.apache.org/jira/browse/FLINK-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15815551#comment-15815551
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ASF GitHub Bot commented on FLINK-5296:
---------------------------------------
Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/3075#discussion_r95411735
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/windowing/assigners/BaseAlignedWindowAssigner.java
---
@@ -0,0 +1,71 @@
+/*
+ * 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 org.apache.flink.streaming.api.windowing.assigners;
+
+import org.apache.flink.api.common.ExecutionConfig;
+import org.apache.flink.api.common.typeutils.TypeSerializer;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.api.windowing.triggers.Trigger;
+import org.apache.flink.streaming.api.windowing.windows.TimeWindow;
+
+import java.util.Collection;
+
+/**
+ * A base {@link WindowAssigner} used to instantiate one of the deprecated
+ * {@link
org.apache.flink.streaming.runtime.operators.windowing.AccumulatingProcessingTimeWindowOperator
+ * AccumulatingProcessingTimeWindowOperator} and
+ * {@link
org.apache.flink.streaming.runtime.operators.windowing.AggregatingProcessingTimeWindowOperator
+ * AggregatingProcessingTimeWindowOperator}.
+ * <p>
--- End diff --
Missing newline.
> Expose the old AlignedWindowOperators to the user through explicit commands.
> ----------------------------------------------------------------------------
>
> Key: FLINK-5296
> URL: https://issues.apache.org/jira/browse/FLINK-5296
> Project: Flink
> Issue Type: Bug
> Components: Windowing Operators
> Affects Versions: 1.2.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Priority: Blocker
> Fix For: 1.2.0
>
>
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