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Subject [GitHub] [flink] shuai-xu commented on a change in pull request #8233: [FLINK-12227] [runtime] introduce SchedulingStrategy interface
Date Sun, 05 May 2019 08:50:15 GMT
shuai-xu commented on a change in pull request #8233: [FLINK-12227] [runtime] introduce SchedulingStrategy
interface
URL: https://github.com/apache/flink/pull/8233#discussion_r281011373
 
 

 ##########
 File path: flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/strategy/SchedulingResultPartition.java
 ##########
 @@ -0,0 +1,84 @@
+/*
+ * 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.runtime.scheduler.strategy;
+
+import org.apache.flink.runtime.executiongraph.IntermediateResultPartition;
+import org.apache.flink.runtime.io.network.partition.ResultPartitionType;
+import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
+import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
+
+import java.util.Collection;
+
+/**
+ * Representation of {@link IntermediateResultPartition}.
+ */
+public interface SchedulingResultPartition {
+
+	/**
+	 * Gets id of the result partition.
+	 *
+	 * @return id of the result partition
+	 */
+	IntermediateResultPartitionID getId();
+
+	/**
+	 * Gets id of the intermediate result.
+	 *
+	 * @return id of the intermediate result
+	 */
+	IntermediateDataSetID getResultId();
+
+	/**
+	 * Gets the {@link ResultPartitionType}.
+	 *
+	 * @return result partition type
+	 */
+	ResultPartitionType getPartitionType();
+
+	/**
+	 * Gets the {@link ResultPartitionState}.
+	 *
+	 * @return result partition state
+	 */
+	ResultPartitionState getState();
+
+	/**
+	 * Gets the producer of this result partition.
+	 *
+	 * @return producer vertex of this result partition
+	 */
+	SchedulingVertex getProducer();
+
+	/**
+	 * Gets the consumers of this result partition.
+	 *
+	 * @return Collection of consumer vertices of this result partition
+	 */
+	Collection<SchedulingVertex> getConsumers();
+
+	/**
+	 * State of the result partition.
+	 */
+	enum ResultPartitionState {
+		EMPTY, // producer is not yet running
+		PRODUCING, // producer is running
+		DONE, // producer has terminated
+		RELEASED // partition has been released
 
 Review comment:
   Done

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