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From GitBox <...@apache.org>
Subject [GitHub] [incubator-nemo] johnyangk commented on a change in pull request #222: [NEMO-350] Implement Off-heap SerializedMemoryStore & [NEMO-384] Implement DirectByteBufferInputStream for Off-heap SerializedMemoryStore
Date Tue, 25 Jun 2019 05:43:03 GMT
johnyangk commented on a change in pull request #222: [NEMO-350] Implement Off-heap SerializedMemoryStore
& [NEMO-384] Implement DirectByteBufferInputStream for Off-heap SerializedMemoryStore
URL: https://github.com/apache/incubator-nemo/pull/222#discussion_r297010686
 
 

 ##########
 File path: common/src/main/java/org/apache/nemo/common/DirectByteBufferInputStream.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.nemo.common;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+import java.util.List;
+
+/**
+ * This class is a customized input stream implementation which reads data from
+ * list of {@link ByteBuffer}.
+ */
+public class DirectByteBufferInputStream extends InputStream {
+  private List<ByteBuffer> bufList;
 
 Review comment:
   Agreed.
   I am also fine with keeping the current class name `DirectByteBufferInputStream`, as we
also have `DirectByteBufferOutputStream`.

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