HADOOP-11470. Remove some uses of obsolete guava APIs from the hadoop codebase (Sangjin Lee via Colin P. McCabe)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -482,6 +482,9 @@ Release 2.7.0 - UNRELEASED
     HADOOP-11032. Replace use of Guava's Stopwatch with Hadoop's StopWatch
     (ozawa)
 
+    HADOOP-11470. Remove some uses of obsolete guava APIs from the hadoop
+    codebase. (Sangjin Lee via Colin P. McCabe)
+
   OPTIMIZATIONS
 
     HDFS-7454. Reduce memory footprint for AclEntries in NameNode.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/Journal.java

@@ -29,6 +29,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
+import org.apache.commons.lang.math.LongRange;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -61,15 +62,13 @@ import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.util.StopWatch;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Charsets;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Range;
-import com.google.common.collect.Ranges;
 import com.google.protobuf.TextFormat;
-import org.apache.hadoop.util.StopWatch;
 
 /**
  * A JournalNode can manage journals for several clusters at once.
@@ -793,8 +792,8 @@ public class Journal implements Closeable {
         // Paranoid sanity check: if the new log is shorter than the log we
         // currently have, we should not end up discarding any transactions
         // which are already Committed.
-        if (txnRange(currentSegment).contains(committedTxnId.get()) &&
-            !txnRange(segment).contains(committedTxnId.get())) {
+        if (txnRange(currentSegment).containsLong(committedTxnId.get()) &&
+            !txnRange(segment).containsLong(committedTxnId.get())) {
           throw new AssertionError(
               "Cannot replace segment " +
               TextFormat.shortDebugString(currentSegment) +
@@ -812,7 +811,7 @@ public class Journal implements Closeable {
         
         // If we're shortening the log, update our highest txid
         // used for lag metrics.
-        if (txnRange(currentSegment).contains(highestWrittenTxId)) {
+        if (txnRange(currentSegment).containsLong(highestWrittenTxId)) {
           highestWrittenTxId = segment.getEndTxId();
         }
       }
@@ -856,10 +855,10 @@ public class Journal implements Closeable {
         TextFormat.shortDebugString(newData));
   }
 
-  private Range<Long> txnRange(SegmentStateProto seg) {
+  private LongRange txnRange(SegmentStateProto seg) {
     Preconditions.checkArgument(seg.hasEndTxId(),
         "invalid segment: %s", seg);
-    return Ranges.closed(seg.getStartTxId(), seg.getEndTxId());
+    return new LongRange(seg.getStartTxId(), seg.getEndTxId());
   }
 
   /**

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDataTransferKeepalive.java

@@ -29,7 +29,6 @@ import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import java.io.InputStream;
-import java.io.PrintWriter;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataInputStream;
@@ -46,7 +45,6 @@ import org.junit.Before;
 import org.junit.Test;
 
 import com.google.common.base.Supplier;
-import com.google.common.io.NullOutputStream;
 
 public class TestDataTransferKeepalive {
   final Configuration conf = new HdfsConfiguration();
@@ -223,7 +221,7 @@ public class TestDataTransferKeepalive {
         stms[i] = fs.open(TEST_FILE);
       }
       for (InputStream stm : stms) {
-        IOUtils.copyBytes(stm, new NullOutputStream(), 1024);
+        IOUtils.copyBytes(stm, new IOUtils.NullOutputStream(), 1024);
       }
     } finally {
       IOUtils.cleanup(null, stms);