[17/25] incubator-geode git commit: GEODE-10: Reinstating HDFS persistence code

[up...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/9f3f10fd/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/RWSplitIterator.java
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diff --git a/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/RWSplitIterator.java b/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/RWSplitIterator.java
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+++ b/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/RWSplitIterator.java
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+/*
+ * 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 com.gemstone.gemfire.cache.hdfs.internal.hoplog.mapreduce;
+
+import java.io.IOException;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+
+import com.gemstone.gemfire.cache.hdfs.internal.PersistedEventImpl;
+import com.gemstone.gemfire.cache.hdfs.internal.SortedHDFSQueuePersistedEvent;
+import com.gemstone.gemfire.cache.hdfs.internal.hoplog.AbstractHoplog;
+import com.gemstone.gemfire.cache.hdfs.internal.hoplog.HFileSortedOplog;
+import org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics;
+
+/**
+ * An iterator that iterates over a split in a read/write hoplog
+ */
+public class RWSplitIterator extends HDFSSplitIterator {
+
+  public RWSplitIterator(FileSystem fs, Path[] path, long[] start, long[] len, long startTime, long endTime) throws IOException {
+    super(fs, path, start, len, startTime, endTime);
+  }
+
+  @Override
+  protected AbstractHoplog getHoplog(FileSystem fs, Path path) throws IOException {
+    SchemaMetrics.configureGlobally(fs.getConf());
+    return HFileSortedOplog.getHoplogForLoner(fs, path); 
+  }
+
+  public PersistedEventImpl getDeserializedValue() throws ClassNotFoundException, IOException {
+    return SortedHDFSQueuePersistedEvent.fromBytes(iterator.getValue());
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/9f3f10fd/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/StreamSplitIterator.java
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diff --git a/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/StreamSplitIterator.java b/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/StreamSplitIterator.java
new file mode 100644
index 0000000..bfb2deb
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+++ b/geode-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/hoplog/mapreduce/StreamSplitIterator.java
@@ -0,0 +1,46 @@
+/*
+ * 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 com.gemstone.gemfire.cache.hdfs.internal.hoplog.mapreduce;
+
+import java.io.IOException;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+
+import com.gemstone.gemfire.cache.hdfs.internal.PersistedEventImpl;
+import com.gemstone.gemfire.cache.hdfs.internal.UnsortedHDFSQueuePersistedEvent;
+import com.gemstone.gemfire.cache.hdfs.internal.hoplog.AbstractHoplog;
+import com.gemstone.gemfire.cache.hdfs.internal.hoplog.SequenceFileHoplog;
+
+/**
+ * An iterator that iterates over a split in a sequential hoplog.
+ */
+public class StreamSplitIterator extends HDFSSplitIterator {
+
+  public StreamSplitIterator(FileSystem fs, Path[] path, long[] start, long[] len, long startTime, long endTime) throws IOException {
+    super(fs, path, start, len, startTime, endTime);
+  }
+
+  public PersistedEventImpl getDeserializedValue() throws ClassNotFoundException, IOException {
+    return UnsortedHDFSQueuePersistedEvent.fromBytes(iterator.getValue());
+  }
+
+  @Override
+  protected AbstractHoplog getHoplog(FileSystem fs, Path path) throws IOException {
+    return new SequenceFileHoplog(fs, path, null);
+  }
+}