ACCUMULO-469 added license headers

git-svn-id: https://svn.apache.org/repos/asf/incubator/accumulo/branches/1.4@1302533 13f79535-47bb-0310-9956-ffa450edef68

ingest/src/main/java/org/apache/accumulo/examples/wikisearch/ingest/LRUOutputCombiner.java

@@ -1,3 +1,19 @@
+/*
+ * 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.accumulo.examples.wikisearch.ingest;
 
 import java.util.LinkedHashMap;
@@ -6,14 +22,12 @@
 public class LRUOutputCombiner<Key,Value> extends LinkedHashMap<Key,Value> {
 
   private static final long serialVersionUID = 1L;
-
-  public static abstract class Fold <Value>
-  {
+
+  public static abstract class Fold<Value> {
     public abstract Value fold(Value oldValue, Value newValue);
   }
 
-  public static abstract class Output<Key,Value>
-  {
+  public static abstract class Output<Key,Value> {
     public abstract void output(Key key, Value value);
   }
 

ingest/src/main/java/org/apache/accumulo/examples/wikisearch/output/BufferingRFileRecordWriter.java

@@ -1,10 +1,26 @@
+/*
+ * 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.accumulo.examples.wikisearch.output;
 
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.TreeMap;
 import java.util.Map.Entry;
+import java.util.TreeMap;
 
 import org.apache.accumulo.core.conf.AccumuloConfiguration;
 import org.apache.accumulo.core.data.ColumnUpdate;
@@ -31,38 +47,32 @@ final class BufferingRFileRecordWriter extends RecordWriter<Text,Mutation> {
 
   private Map<Text,TreeMap<Key,Value>> buffers = new HashMap<Text,TreeMap<Key,Value>>();
   private Map<Text,Long> bufferSizes = new HashMap<Text,Long>();
-
-  private TreeMap<Key,Value> getBuffer(Text tablename)
-  {
+
+  private TreeMap<Key,Value> getBuffer(Text tablename) {
     TreeMap<Key,Value> buffer = buffers.get(tablename);
-    if(buffer == null)
-    {
+    if (buffer == null) {
       buffer = new TreeMap<Key,Value>();
       buffers.put(tablename, buffer);
       bufferSizes.put(tablename, 0l);
     }
     return buffer;
   }
 
-  private Text getLargestTablename()
-  {
+  private Text getLargestTablename() {
     long max = 0;
     Text table = null;
-    for(Entry<Text,Long> e:bufferSizes.entrySet())
-    {
-      if(e.getValue() > max)
-      {
+    for (Entry<Text,Long> e : bufferSizes.entrySet()) {
+      if (e.getValue() > max) {
         max = e.getValue();
         table = e.getKey();
       }
     }
     return table;
   }
 
-  private void flushLargestTable() throws IOException
-  {
+  private void flushLargestTable() throws IOException {
     Text tablename = getLargestTablename();
-    if(tablename == null)
+    if (tablename == null)
       return;
     long bufferSize = bufferSizes.get(tablename);
     TreeMap<Key,Value> buffer = buffers.get(tablename);
@@ -98,17 +108,17 @@ private void flushLargestTable() throws IOException
 
   @Override
   public void close(TaskAttemptContext arg0) throws IOException, InterruptedException {
-    while(size > 0)
+    while (size > 0)
       flushLargestTable();
   }
 
   @Override
   public void write(Text table, Mutation mutation) throws IOException, InterruptedException {
     TreeMap<Key,Value> buffer = getBuffer(table);
     int mutationSize = 0;
-    for(ColumnUpdate update: mutation.getUpdates())
-    {
-      Key k = new Key(mutation.getRow(),update.getColumnFamily(),update.getColumnQualifier(),update.getColumnVisibility(),update.getTimestamp(),update.isDeleted());
+    for (ColumnUpdate update : mutation.getUpdates()) {
+      Key k = new Key(mutation.getRow(), update.getColumnFamily(), update.getColumnQualifier(), update.getColumnVisibility(), update.getTimestamp(),
+          update.isDeleted());
       Value v = new Value(update.getValue());
       // TODO account for object overhead
       mutationSize += k.getSize();
@@ -121,7 +131,7 @@ public void write(Text table, Mutation mutation) throws IOException, Interrupted
     // TODO use a MutableLong instead
     bufferSize += mutationSize;
     bufferSizes.put(table, bufferSize);
-
+    
     while (size >= maxSize) {
       flushLargestTable();
     }

ingest/src/main/java/org/apache/accumulo/examples/wikisearch/output/SortingRFileOutputFormat.java

@@ -1,3 +1,19 @@
+/*
+ * 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.accumulo.examples.wikisearch.output;
 
 import java.io.IOException;
@@ -14,9 +30,9 @@
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 
 public class SortingRFileOutputFormat extends OutputFormat<Text,Mutation> {
-
+  
   // private static final Logger log = Logger.getLogger(SortingRFileOutputFormat.class);
-
+  
   public static final String PATH_NAME = "sortingrfileoutputformat.path";
   public static final String MAX_BUFFER_SIZE = "sortingrfileoutputformat.max.buffer.size";
 

ingest/src/test/java/org/apache/accumulo/examples/wikisearch/ingest/WikipediaInputSplitTest.java

@@ -1,9 +1,24 @@
+/*
+ * 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.accumulo.examples.wikisearch.ingest;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.DataInput;
-import java.io.DataOutput;
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
@@ -17,20 +32,19 @@
 
 public class WikipediaInputSplitTest {
   @Test
-  public void testSerialization() throws IOException
-  {
+  public void testSerialization() throws IOException {
     Path testPath = new Path("/foo/bar");
-    String [] hosts = new String [2];
+    String[] hosts = new String[2];
     hosts[0] = "abcd";
     hosts[1] = "efgh";
-    FileSplit fSplit = new FileSplit(testPath,1,2,hosts);
-    WikipediaInputSplit split = new WikipediaInputSplit(fSplit,7);
+    FileSplit fSplit = new FileSplit(testPath, 1, 2, hosts);
+    WikipediaInputSplit split = new WikipediaInputSplit(fSplit, 7);
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     ObjectOutputStream out = new ObjectOutputStream(baos);
     split.write(out);
-    out.close();    
+    out.close();
     baos.close();
-
+    
     ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
     DataInput in = new ObjectInputStream(bais);
 
@@ -45,12 +59,11 @@ public void testSerialization() throws IOException
     Assert.assertTrue(fSplit.getPath().equals(fSplit2.getPath()));
     Assert.assertTrue(fSplit.getStart() == fSplit2.getStart());
     Assert.assertTrue(fSplit.getLength() == fSplit2.getLength());
-
-    String [] hosts2 = fSplit2.getLocations();
+    
+    String[] hosts2 = fSplit2.getLocations();
     Assert.assertEquals(hosts.length, hosts2.length);
-    for(int i = 0; i < hosts.length; i++)
-    {
-      Assert.assertEquals(hosts[i],hosts2[i]);
+    for (int i = 0; i < hosts.length; i++) {
+      Assert.assertEquals(hosts[i], hosts2[i]);
     }
   }
 }