Github user arunmahadevan commented on a diff in the pull request:
https://github.com/apache/storm/pull/1072#discussion_r57143513
--- Diff:
storm-core/src/jvm/org/apache/storm/trident/windowing/WindowTridentProcessor.java
---
@@ -0,0 +1,265 @@
+/**
+ * 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * 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.storm.trident.windowing;
+
+import org.apache.storm.Config;
+import org.apache.storm.task.TopologyContext;
+import org.apache.storm.trident.operation.Aggregator;
+import org.apache.storm.trident.planner.ProcessorContext;
+import org.apache.storm.trident.planner.TridentProcessor;
+import org.apache.storm.trident.planner.processor.FreshCollector;
+import org.apache.storm.trident.planner.processor.TridentContext;
+import org.apache.storm.trident.spout.IBatchID;
+import org.apache.storm.trident.tuple.ConsList;
+import org.apache.storm.trident.tuple.TridentTuple;
+import org.apache.storm.trident.tuple.TridentTupleView;
+import org.apache.storm.trident.windowing.config.WindowConfig;
+import org.apache.storm.tuple.Fields;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Queue;
+
+/**
+ * {@code TridentProcessor} implementation for windowing operations on
trident stream.
+ *
+ */
+public class WindowTridentProcessor implements TridentProcessor {
+ private static final Logger LOG =
LoggerFactory.getLogger(WindowTridentProcessor.class);
+
+ public static final String TRIGGER_INPROCESS_PREFIX = "tip" +
WindowsStore.KEY_SEPARATOR;
+ public static final String TRIGGER_PREFIX = "tr" +
WindowsStore.KEY_SEPARATOR;
+ public static final String TRIGGER_COUNT_PREFIX = "tc" +
WindowsStore.KEY_SEPARATOR;
+
+ public static final String TRIGGER_FIELD_NAME = "_task_info";
+ public static final long DEFAULT_INMEMORY_TUPLE_CACHE_LIMIT = 100l;
--- End diff --
use capital 'L', with small 'l' it appears like 1001
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