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From chia7...@apache.org
Subject hbase git commit: HBASE-19629 RawCell#getTags should return the Iterator<Tag> in order to avoid iterating through whole tag array at once
Date Wed, 27 Dec 2017 13:38:23 GMT
Repository: hbase
Updated Branches:
  refs/heads/branch-2 15ed74828 -> 0454a389a


HBASE-19629 RawCell#getTags should return the Iterator<Tag> in order to avoid iterating
through whole tag array at once

Signed-off-by: Chia-Ping Tsai <chia7712@gmail.com>


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/0454a389
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/0454a389
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/0454a389

Branch: refs/heads/branch-2
Commit: 0454a389a378675bf8c63e8f9f1ff1fd086962a7
Parents: 15ed748
Author: Vasudevan <ramkrishna.s.vasudevan@intel.com>
Authored: Wed Dec 27 21:29:28 2017 +0800
Committer: Chia-Ping Tsai <chia7712@gmail.com>
Committed: Wed Dec 27 21:30:08 2017 +0800

----------------------------------------------------------------------
 .../apache/hadoop/hbase/client/Mutation.java    |  24 +---
 .../apache/hadoop/hbase/ByteBufferKeyValue.java |  34 ------
 .../hadoop/hbase/IndividualBytesFieldCell.java  |  33 ------
 .../java/org/apache/hadoop/hbase/KeyValue.java  |  37 +-----
 .../apache/hadoop/hbase/PrivateCellUtil.java    | 116 +------------------
 .../java/org/apache/hadoop/hbase/RawCell.java   |  10 +-
 .../io/encoding/BufferedDataBlockEncoder.java   |  62 ----------
 .../hadoop/hbase/TestByteBufferKeyValue.java    |   2 +-
 .../org/apache/hadoop/hbase/TestKeyValue.java   |   2 +-
 .../hbase/codec/TestCellCodecWithTags.java      |   9 +-
 .../hbase/codec/TestKeyValueCodecWithTags.java  |   9 +-
 .../apache/hadoop/hbase/util/MapReduceCell.java |  34 ------
 .../hbase/mapreduce/TestHFileOutputFormat2.java |   4 +-
 .../hbase/io/hfile/HFilePrettyPrinter.java      |   3 +-
 .../TestStoreFileScannerWithTagCompression.java |   3 +-
 .../hadoop/hbase/regionserver/TestTags.java     |   4 +-
 .../wal/TestWALCellCodecWithCompression.java    |   7 +-
 .../replication/TestReplicationWithTags.java    |   4 +-
 .../TestVisibilityLabelsReplication.java        |   9 +-
 19 files changed, 46 insertions(+), 360 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java
index 9472d70..8a29574 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Mutation.java
@@ -18,8 +18,6 @@
 
 package org.apache.hadoop.hbase.client;
 
-import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;
-
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -33,7 +31,6 @@ import java.util.Optional;
 import java.util.TreeMap;
 import java.util.UUID;
 import java.util.stream.Collectors;
-import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellScannable;
 import org.apache.hadoop.hbase.CellScanner;
@@ -60,7 +57,6 @@ import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;
 import org.apache.hadoop.hbase.shaded.com.google.common.collect.ArrayListMultimap;
 import org.apache.hadoop.hbase.shaded.com.google.common.collect.ListMultimap;
-import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
 import org.apache.hadoop.hbase.shaded.com.google.common.io.ByteArrayDataInput;
 import org.apache.hadoop.hbase.shaded.com.google.common.io.ByteArrayDataOutput;
 import org.apache.hadoop.hbase.shaded.com.google.common.io.ByteStreams;
@@ -915,35 +911,23 @@ public abstract class Mutation extends OperationWithAttributes implements
Row, C
       if (cell instanceof RawCell) {
         return ((RawCell) cell).getTag(type);
       }
-      int length = getTagsLength();
-      int offset = getTagsOffset();
-      int pos = offset;
-      while (pos < offset + length) {
-        int tagLen = Bytes.readAsInt(getTagsArray(), pos, TAG_LENGTH_SIZE);
-        if (getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
-          return Optional.of(new ArrayBackedTag(getTagsArray(), pos,
-            tagLen + TAG_LENGTH_SIZE));
-        }
-        pos += TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.empty();
+      return PrivateCellUtil.getTag(cell, type);
     }
 
     @Override
-    public List<Tag> getTags() {
+    public Iterator<Tag> getTags() {
       if (cell instanceof RawCell) {
         return ((RawCell) cell).getTags();
       }
-      return Lists.newArrayList(PrivateCellUtil.tagsIterator(cell));
+      return PrivateCellUtil.tagsIterator(cell);
     }
 
     @Override
     public byte[] cloneTags() {
       if (cell instanceof RawCell) {
         return ((RawCell) cell).cloneTags();
-      } else {
-        return PrivateCellUtil.cloneTags(cell);
       }
+      return PrivateCellUtil.cloneTags(cell);
     }
 
     private long heapOverhead() {

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/main/java/org/apache/hadoop/hbase/ByteBufferKeyValue.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/ByteBufferKeyValue.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/ByteBufferKeyValue.java
index 870d872..798180a 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/ByteBufferKeyValue.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/ByteBufferKeyValue.java
@@ -17,16 +17,9 @@
  */
 package org.apache.hadoop.hbase;
 
-import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;
-
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
-
 import org.apache.hadoop.hbase.util.ByteBufferUtils;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.ClassSize;
@@ -350,31 +343,4 @@ public class ByteBufferKeyValue extends ByteBufferCell implements ExtendedCell
{
     hash = 31 * hash + cell.getTypeByte();
     return hash;
   }
-
-  @Override
-  public Optional<Tag> getTag(byte type) {
-    int length = getTagsLength();
-    int offset = getTagsPosition();
-    int pos = offset;
-    int tagLen;
-    while (pos < offset + length) {
-      ByteBuffer tagsBuffer = getTagsByteBuffer();
-      tagLen = ByteBufferUtils.readAsInt(tagsBuffer, pos, TAG_LENGTH_SIZE);
-      if (ByteBufferUtils.toByte(tagsBuffer, pos + TAG_LENGTH_SIZE) == type) {
-        return Optional.ofNullable(new ByteBufferTag(tagsBuffer, pos, tagLen + TAG_LENGTH_SIZE));
-      }
-      pos += TAG_LENGTH_SIZE + tagLen;
-    }
-    return Optional.ofNullable(null);
-  }
-
-  @Override
-  public List<Tag> getTags() {
-    List<Tag> tags = new ArrayList<>();
-    Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-    while (tagsItr.hasNext()) {
-      tags.add(tagsItr.next());
-    }
-    return tags;
-  }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/main/java/org/apache/hadoop/hbase/IndividualBytesFieldCell.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/IndividualBytesFieldCell.java
b/hbase-common/src/main/java/org/apache/hadoop/hbase/IndividualBytesFieldCell.java
index a25bd19..7093b4b 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/IndividualBytesFieldCell.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/IndividualBytesFieldCell.java
@@ -18,13 +18,6 @@
 
 package org.apache.hadoop.hbase;
 
-import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
-
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.ClassSize;
@@ -304,30 +297,4 @@ public class IndividualBytesFieldCell implements ExtendedCell {
   public String toString() {
     return CellUtil.toString(this, true);
   }
-
-  @Override
-  public Optional<Tag> getTag(byte type) {
-    int length = getTagsLength();
-    int offset = getTagsOffset();
-    int pos = offset;
-    while (pos < offset + length) {
-      int tagLen = Bytes.readAsInt(getTagsArray(), pos, TAG_LENGTH_SIZE);
-      if (getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
-        return Optional
-            .ofNullable(new ArrayBackedTag(getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
-      }
-      pos += TAG_LENGTH_SIZE + tagLen;
-    }
-    return Optional.ofNullable(null);
-  }
-
-  @Override
-  public List<Tag> getTags() {
-    List<Tag> tags = new ArrayList<>();
-    Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-    while (tagsItr.hasNext()) {
-      tags.add(tagsItr.next());
-    }
-    return tags;
-  }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java
index 6a79c88..4c730b7 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java
@@ -19,7 +19,6 @@
  */
 package org.apache.hadoop.hbase;
 
-import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;
 import static org.apache.hadoop.hbase.util.Bytes.len;
 
 import java.io.DataInput;
@@ -33,8 +32,6 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
-
 import org.apache.hadoop.hbase.util.ByteBufferUtils;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.ClassSize;
@@ -1165,11 +1162,11 @@ public class KeyValue implements ExtendedCell {
       Bytes.toStringBinary(getQualifierArray(), getQualifierOffset(), getQualifierLength()));
     stringMap.put("timestamp", getTimestamp());
     stringMap.put("vlen", getValueLength());
-    List<Tag> tags = getTags();
+    Iterator<Tag> tags = getTags();
     if (tags != null) {
-      List<String> tagsString = new ArrayList<>(tags.size());
-      for (Tag t : tags) {
-        tagsString.add(t.toString());
+      List<String> tagsString = new ArrayList<String>();
+      while (tags.hasNext()) {
+        tagsString.add(tags.next().toString());
       }
       stringMap.put("tag", tagsString);
     }
@@ -2555,30 +2552,4 @@ public class KeyValue implements ExtendedCell {
     kv.setSequenceId(this.getSequenceId());
     return kv;
   }
-
-  @Override
-  public Optional<Tag> getTag(byte type) {
-    int length = getTagsLength();
-    int offset = getTagsOffset();
-    int pos = offset;
-    while (pos < offset + length) {
-      int tagLen = Bytes.readAsInt(getTagsArray(), pos, TAG_LENGTH_SIZE);
-      if (getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
-        return Optional
-            .ofNullable(new ArrayBackedTag(getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
-      }
-      pos += TAG_LENGTH_SIZE + tagLen;
-    }
-    return Optional.ofNullable(null);
-  }
-
-  @Override
-  public List<Tag> getTags() {
-    List<Tag> tags = new ArrayList<>();
-    Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-    while (tagsItr.hasNext()) {
-      tags.add(tagsItr.next());
-    }
-    return tags;
-  }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/main/java/org/apache/hadoop/hbase/PrivateCellUtil.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/PrivateCellUtil.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/PrivateCellUtil.java
index e52ed84..363f0bd 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/PrivateCellUtil.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/PrivateCellUtil.java
@@ -20,8 +20,6 @@ package org.apache.hadoop.hbase;
 import static org.apache.hadoop.hbase.HConstants.EMPTY_BYTE_ARRAY;
 import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;
 
-import com.google.common.annotations.VisibleForTesting;
-
 import java.io.DataOutput;
 import java.io.DataOutputStream;
 import java.io.IOException;
@@ -32,7 +30,6 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Optional;
-
 import org.apache.hadoop.hbase.KeyValue.Type;
 import org.apache.hadoop.hbase.filter.ByteArrayComparable;
 import org.apache.hadoop.hbase.io.HeapSize;
@@ -45,6 +42,7 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.ClassSize;
 import org.apache.yetus.audience.InterfaceAudience;
 
+import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
 
 /**
  * Utility methods helpful slinging {@link Cell} instances. It has more powerful and
@@ -314,32 +312,6 @@ public final class PrivateCellUtil {
       Cell clonedBaseCell = ((ExtendedCell) this.cell).deepClone();
       return new TagRewriteCell(clonedBaseCell, this.tags);
     }
-
-    @Override
-    public Optional<Tag> getTag(byte type) {
-      int length = getTagsLength();
-      int offset = getTagsOffset();
-      int pos = offset;
-      while (pos < offset + length) {
-        int tagLen = Bytes.readAsInt(getTagsArray(), pos, TAG_LENGTH_SIZE);
-        if (getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
-          return Optional
-              .ofNullable(new ArrayBackedTag(getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
-        }
-        pos += TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.ofNullable(null);
-    }
-
-    @Override
-    public List<Tag> getTags() {
-      List<Tag> tags = new ArrayList<>();
-      Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-      while (tagsItr.hasNext()) {
-        tags.add(tagsItr.next());
-      }
-      return tags;
-    }
   }
 
   static class TagRewriteByteBufferCell extends ByteBufferCell implements ExtendedCell {
@@ -573,33 +545,6 @@ public final class PrivateCellUtil {
     public int getTagsPosition() {
       return 0;
     }
-
-    @Override
-    public Optional<Tag> getTag(byte type) {
-      int length = getTagsLength();
-      int offset = getTagsPosition();
-      int pos = offset;
-      int tagLen;
-      while (pos < offset + length) {
-        ByteBuffer tagsBuffer = getTagsByteBuffer();
-        tagLen = ByteBufferUtils.readAsInt(tagsBuffer, pos, TAG_LENGTH_SIZE);
-        if (ByteBufferUtils.toByte(tagsBuffer, pos + TAG_LENGTH_SIZE) == type) {
-          return Optional.ofNullable(new ByteBufferTag(tagsBuffer, pos, tagLen + TAG_LENGTH_SIZE));
-        }
-        pos += TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.ofNullable(null);
-    }
-
-    @Override
-    public List<Tag> getTags() {
-      List<Tag> tags = new ArrayList<>();
-      Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-      while (tagsItr.hasNext()) {
-        tags.add(tagsItr.next());
-      }
-      return tags;
-    }
   }
 
   static class ValueAndTagRewriteCell extends TagRewriteCell {
@@ -952,18 +897,18 @@ public final class PrivateCellUtil {
         ByteBuffer tagsBuffer = ((ByteBufferCell) cell).getTagsByteBuffer();
         tagLen = ByteBufferUtils.readAsInt(tagsBuffer, pos, TAG_LENGTH_SIZE);
         if (ByteBufferUtils.toByte(tagsBuffer, pos + TAG_LENGTH_SIZE) == type) {
-          return Optional.ofNullable(new ByteBufferTag(tagsBuffer, pos, tagLen + TAG_LENGTH_SIZE));
+          return Optional.of(new ByteBufferTag(tagsBuffer, pos, tagLen + TAG_LENGTH_SIZE));
         }
       } else {
         tagLen = Bytes.readAsInt(cell.getTagsArray(), pos, TAG_LENGTH_SIZE);
         if (cell.getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
           return Optional
-              .ofNullable(new ArrayBackedTag(cell.getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
+            .of(new ArrayBackedTag(cell.getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
         }
       }
       pos += TAG_LENGTH_SIZE + tagLen;
     }
-    return Optional.ofNullable(null);
+    return Optional.empty();
   }
 
   /**
@@ -1424,32 +1369,6 @@ public final class PrivateCellUtil {
     public int getTagsLength() {
       return 0;
     }
-
-    @Override
-    public Optional<Tag> getTag(byte type) {
-      int length = getTagsLength();
-      int offset = getTagsOffset();
-      int pos = offset;
-      while (pos < offset + length) {
-        int tagLen = Bytes.readAsInt(getTagsArray(), pos, TAG_LENGTH_SIZE);
-        if (getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
-          return Optional
-              .ofNullable(new ArrayBackedTag(getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
-        }
-        pos += TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.ofNullable(null);
-    }
-
-    @Override
-    public List<Tag> getTags() {
-      List<Tag> tags = new ArrayList<>();
-      Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-      while (tagsItr.hasNext()) {
-        tags.add(tagsItr.next());
-      }
-      return tags;
-    }
   }
 
   /**
@@ -1603,33 +1522,6 @@ public final class PrivateCellUtil {
     public int getValuePosition() {
       return 0;
     }
-
-    @Override
-    public Optional<Tag> getTag(byte type) {
-      int length = getTagsLength();
-      int offset = getTagsPosition();
-      int pos = offset;
-      int tagLen;
-      while (pos < offset + length) {
-        ByteBuffer tagsBuffer = getTagsByteBuffer();
-        tagLen = ByteBufferUtils.readAsInt(tagsBuffer, pos, TAG_LENGTH_SIZE);
-        if (ByteBufferUtils.toByte(tagsBuffer, pos + TAG_LENGTH_SIZE) == type) {
-          return Optional.ofNullable(new ByteBufferTag(tagsBuffer, pos, tagLen + TAG_LENGTH_SIZE));
-        }
-        pos += TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.ofNullable(null);
-    }
-
-    @Override
-    public List<Tag> getTags() {
-      List<Tag> tags = new ArrayList<>();
-      Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-      while (tagsItr.hasNext()) {
-        tags.add(tagsItr.next());
-      }
-      return tags;
-    }
   }
 
   private static class FirstOnRowCell extends EmptyCell {

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/main/java/org/apache/hadoop/hbase/RawCell.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/RawCell.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/RawCell.java
index 4cda7d5..ea598d2 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/RawCell.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/RawCell.java
@@ -17,7 +17,7 @@
  */
 package org.apache.hadoop.hbase;
 
-import java.util.List;
+import java.util.Iterator;
 import java.util.Optional;
 
 import org.apache.yetus.audience.InterfaceAudience;
@@ -41,14 +41,18 @@ public interface RawCell extends Cell {
    * Creates a list of tags in the current cell
    * @return a list of tags
    */
-  List<Tag> getTags();
+  default Iterator<Tag> getTags() {
+    return PrivateCellUtil.tagsIterator(this);
+  }
 
   /**
    * Returns the specific tag of the given type
    * @param type the type of the tag
    * @return the specific tag if available or null
    */
-  Optional<Tag> getTag(byte type);
+  default Optional<Tag> getTag(byte type) {
+    return PrivateCellUtil.getTag(this, type);
+  }
 
   /**
    * Check the length of tags. If it is invalid, throw IllegalArgumentException

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
b/hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
index f4d3c40..9bcda01 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
@@ -21,14 +21,8 @@ import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
 
-import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.ByteBufferCell;
-import org.apache.hadoop.hbase.ByteBufferTag;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellComparator;
 import org.apache.hadoop.hbase.CellUtil;
@@ -38,7 +32,6 @@ import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValue.Type;
 import org.apache.hadoop.hbase.KeyValueUtil;
 import org.apache.hadoop.hbase.PrivateCellUtil;
-import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.io.TagCompressionContext;
 import org.apache.hadoop.hbase.io.util.LRUDictionary;
 import org.apache.hadoop.hbase.io.util.StreamUtils;
@@ -482,32 +475,6 @@ abstract class BufferedDataBlockEncoder extends AbstractDataBlockEncoder
{
       // This is not used in actual flow. Throwing UnsupportedOperationException
       throw new UnsupportedOperationException();
     }
-
-    @Override
-    public Optional<Tag> getTag(byte type) {
-      int length = getTagsLength();
-      int offset = getTagsOffset();
-      int pos = offset;
-      while (pos < offset + length) {
-        int tagLen = Bytes.readAsInt(getTagsArray(), pos, Tag.TAG_LENGTH_SIZE);
-        if (getTagsArray()[pos + Tag.TAG_LENGTH_SIZE] == type) {
-          return Optional
-              .ofNullable(new ArrayBackedTag(getTagsArray(), pos, tagLen + Tag.TAG_LENGTH_SIZE));
-        }
-        pos += Tag.TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.ofNullable(null);
-    }
-
-    @Override
-    public List<Tag> getTags() {
-      List<Tag> tags = new ArrayList<>();
-      Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-      while (tagsItr.hasNext()) {
-        tags.add(tagsItr.next());
-      }
-      return tags;
-    }
   }
 
   protected static class OffheapDecodedCell extends ByteBufferCell implements ExtendedCell
{
@@ -753,35 +720,6 @@ abstract class BufferedDataBlockEncoder extends AbstractDataBlockEncoder
{
       // This is not used in actual flow. Throwing UnsupportedOperationException
       throw new UnsupportedOperationException();
     }
-
-    @Override
-    public Optional<Tag> getTag(byte type) {
-      int length = getTagsLength();
-      int offset = getTagsPosition();
-      int pos = offset;
-      int tagLen;
-      while (pos < offset + length) {
-        ByteBuffer tagsBuffer = getTagsByteBuffer();
-        tagLen = ByteBufferUtils.readAsInt(tagsBuffer, pos, Tag.TAG_LENGTH_SIZE);
-        if (ByteBufferUtils.toByte(tagsBuffer, pos + Tag.TAG_LENGTH_SIZE) == type) {
-          return Optional
-              .ofNullable(new ByteBufferTag(tagsBuffer, pos, tagLen + Tag.TAG_LENGTH_SIZE));
-        }
-        pos += Tag.TAG_LENGTH_SIZE + tagLen;
-      }
-      return Optional.ofNullable(null);
-    }
-
-    @Override
-    public List<Tag> getTags() {
-      List<Tag> tags = new ArrayList<>();
-      Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-      while (tagsItr.hasNext()) {
-        tags.add(tagsItr.next());
-      }
-      return tags;
-    }
-
   }
 
   protected abstract static class BufferedEncodedSeeker<STATE extends SeekerState>

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/test/java/org/apache/hadoop/hbase/TestByteBufferKeyValue.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestByteBufferKeyValue.java
b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestByteBufferKeyValue.java
index 26459f9..030bc8f 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestByteBufferKeyValue.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestByteBufferKeyValue.java
@@ -158,7 +158,7 @@ public class TestByteBufferKeyValue {
     assertEquals(0L, offheapKV.getTimestamp());
     assertEquals(Type.Put.getCode(), offheapKV.getTypeByte());
     // change tags to handle both onheap and offheap stuff
-    List<Tag> resTags = offheapKV.getTags();
+    List<Tag> resTags = PrivateCellUtil.getTags(offheapKV);
     Tag tag1 = resTags.get(0);
     assertEquals(t1.getType(), tag1.getType());
     assertEquals(Tag.getValueAsString(t1),

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/test/java/org/apache/hadoop/hbase/TestKeyValue.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestKeyValue.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestKeyValue.java
index 085f357..881c679 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestKeyValue.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestKeyValue.java
@@ -453,7 +453,7 @@ public class TestKeyValue extends TestCase {
       kv.getQualifierLength(), q, 0, q.length));
     assertTrue(Bytes.equals(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength(),
value, 0,
       value.length));
-    List<Tag> tags = kv.getTags();
+    List<Tag> tags = PrivateCellUtil.getTags(kv);
     assertNotNull(tags);
     assertEquals(2, tags.size());
     boolean meta1Ok = false, meta2Ok = false;

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodecWithTags.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodecWithTags.java
b/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodecWithTags.java
index 78b84f7..f39d177 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodecWithTags.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestCellCodecWithTags.java
@@ -27,13 +27,12 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.List;
-
 import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.RawCell;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
@@ -80,7 +79,7 @@ public class TestCellCodecWithTags {
     Cell c = decoder.current();
     assertTrue(CellUtil.equals(c, cell1));
     List<Tag> tags =
-        ((RawCell)c).getTags();
+        PrivateCellUtil.getTags(c);
     assertEquals(2, tags.size());
     Tag tag = tags.get(0);
     assertEquals(1, tag.getType());
@@ -91,7 +90,7 @@ public class TestCellCodecWithTags {
     assertTrue(decoder.advance());
     c = decoder.current();
     assertTrue(CellUtil.equals(c, cell2));
-    tags = ((RawCell)c).getTags();
+    tags = PrivateCellUtil.getTags(c);
     assertEquals(1, tags.size());
     tag = tags.get(0);
     assertEquals(1, tag.getType());
@@ -99,7 +98,7 @@ public class TestCellCodecWithTags {
     assertTrue(decoder.advance());
     c = decoder.current();
     assertTrue(CellUtil.equals(c, cell3));
-    tags = ((RawCell)c).getTags();
+    tags = PrivateCellUtil.getTags(c);
     assertEquals(3, tags.size());
     tag = tags.get(0);
     assertEquals(2, tag.getType());

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestKeyValueCodecWithTags.java
----------------------------------------------------------------------
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestKeyValueCodecWithTags.java
b/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestKeyValueCodecWithTags.java
index c35f434..a1a7f07 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestKeyValueCodecWithTags.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/codec/TestKeyValueCodecWithTags.java
@@ -27,13 +27,12 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.List;
-
 import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.RawCell;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
@@ -80,7 +79,7 @@ public class TestKeyValueCodecWithTags {
     Cell c = decoder.current();
     assertTrue(CellUtil.equals(c, kv1));
     List<Tag> tags =
-        ((RawCell)c).getTags();
+        PrivateCellUtil.getTags(c);
     assertEquals(2, tags.size());
     Tag tag = tags.get(0);
     assertEquals(1, tag.getType());
@@ -91,7 +90,7 @@ public class TestKeyValueCodecWithTags {
     assertTrue(decoder.advance());
     c = decoder.current();
     assertTrue(CellUtil.equals(c, kv2));
-    tags = ((RawCell)c).getTags();
+    tags = PrivateCellUtil.getTags(c);
     assertEquals(1, tags.size());
     tag = tags.get(0);
     assertEquals(1, tag.getType());
@@ -99,7 +98,7 @@ public class TestKeyValueCodecWithTags {
     assertTrue(decoder.advance());
     c = decoder.current();
     assertTrue(CellUtil.equals(c, kv3));
-    tags = ((RawCell)c).getTags();
+    tags = PrivateCellUtil.getTags(c);
     assertEquals(3, tags.size());
     tag = tags.get(0);
     assertEquals(2, tag.getType());

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/util/MapReduceCell.java
----------------------------------------------------------------------
diff --git a/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/util/MapReduceCell.java
b/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/util/MapReduceCell.java
index ae47e7a..38ff59b 100644
--- a/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/util/MapReduceCell.java
+++ b/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/util/MapReduceCell.java
@@ -17,23 +17,15 @@
  */
 package org.apache.hadoop.hbase.util;
 
-import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;
-
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
 
-import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.ByteBufferCell;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.ExtendedCell;
 import org.apache.hadoop.hbase.PrivateCellUtil;
-import org.apache.hadoop.hbase.Tag;
 import org.apache.yetus.audience.InterfaceAudience;
 
 /**
@@ -276,30 +268,4 @@ public class MapReduceCell extends ByteBufferCell implements ExtendedCell
{
       throw new RuntimeException(e);
     }
   }
-
-  @Override
-  public Optional<Tag> getTag(byte type) {
-    int length = getTagsLength();
-    int offset = getTagsOffset();
-    int pos = offset;
-    while (pos < offset + length) {
-      int tagLen = Bytes.readAsInt(getTagsArray(), pos, TAG_LENGTH_SIZE);
-      if (getTagsArray()[pos + TAG_LENGTH_SIZE] == type) {
-        return Optional
-            .ofNullable(new ArrayBackedTag(getTagsArray(), pos, tagLen + TAG_LENGTH_SIZE));
-      }
-      pos += TAG_LENGTH_SIZE + tagLen;
-    }
-    return Optional.ofNullable(null);
-  }
-
-  @Override
-  public List<Tag> getTags() {
-    List<Tag> tags = new ArrayList<>();
-    Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(this);
-    while (tagsItr.hasNext()) {
-      tags.add(tagsItr.next());
-    }
-    return tags;
-  }
 }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
----------------------------------------------------------------------
diff --git a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
index 6b30c9c..8e2c4c8 100644
--- a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
+++ b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
@@ -51,7 +51,6 @@ import org.apache.hadoop.hbase.CategoryBasedTimeout;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
-import org.apache.hadoop.hbase.RawCell;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.HColumnDescriptor;
@@ -61,6 +60,7 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.HadoopShims;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.PerformanceEvaluation;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.TagType;
@@ -492,7 +492,7 @@ public class TestHFileOutputFormat2  {
         HFileScanner scanner = reader.getScanner(false, false, false);
         scanner.seekTo();
         Cell cell = scanner.getCell();
-        List<Tag> tagsFromCell = ((RawCell)cell).getTags();
+        List<Tag> tagsFromCell = PrivateCellUtil.getTags(cell);
         assertTrue(tagsFromCell.size() > 0);
         for (Tag tag : tagsFromCell) {
           assertTrue(tag.getType() == TagType.TTL_TAG_TYPE);

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.java
index 639130d..1e37162 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.java
@@ -53,7 +53,6 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellComparator;
 import org.apache.hadoop.hbase.CellUtil;
-import org.apache.hadoop.hbase.RawCell;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HBaseInterfaceAudience;
 import org.apache.hadoop.hbase.HConstants;
@@ -399,7 +398,7 @@ public class HFilePrettyPrinter extends Configured implements Tool {
               + Bytes.toStringBinary(cell.getValueArray(), cell.getValueOffset(),
                   cell.getValueLength()));
           int i = 0;
-          List<Tag> tags = ((RawCell)cell).getTags();
+          List<Tag> tags = PrivateCellUtil.getTags(cell);
           for (Tag tag : tags) {
             out.print(String.format(" T[%d]: %s", i++, tag.toString()));
           }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileScannerWithTagCompression.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileScannerWithTagCompression.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileScannerWithTagCompression.java
index 4a3d8d0..3efbdad3 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileScannerWithTagCompression.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileScannerWithTagCompression.java
@@ -33,6 +33,7 @@ import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValueUtil;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
@@ -87,7 +88,7 @@ public class TestStoreFileScannerWithTagCompression {
       byte[] key5 = Bytes.toBytes("k5");
       assertTrue(Bytes.equals(key5, 0, key5.length, kv.getRowArray(), kv.getRowOffset(),
           kv.getRowLength()));
-      List<Tag> tags = KeyValueUtil.ensureKeyValue(kv).getTags();
+      List<Tag> tags = PrivateCellUtil.getTags(kv);
       assertEquals(1, tags.size());
       assertEquals("tag3", Bytes.toString(Tag.cloneValue(tags.get(0))));
     } finally {

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTags.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTags.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTags.java
index 269afc8..52e6b60 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTags.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTags.java
@@ -36,7 +36,7 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValueUtil;
-import org.apache.hadoop.hbase.RawCell;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.client.Admin;
@@ -613,7 +613,7 @@ public class TestTags {
           CellScanner cellScanner = result.cellScanner();
           if (cellScanner.advance()) {
             Cell cell = cellScanner.current();
-            tags = ((RawCell)cell).getTags();
+            tags = PrivateCellUtil.getTags(cell);
           }
         }
       }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALCellCodecWithCompression.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALCellCodecWithCompression.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALCellCodecWithCompression.java
index 1c5bb28..5b09ca1 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALCellCodecWithCompression.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALCellCodecWithCompression.java
@@ -32,6 +32,7 @@ import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.ByteBufferKeyValue;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.codec.Codec.Decoder;
 import org.apache.hadoop.hbase.codec.Codec.Encoder;
@@ -81,16 +82,16 @@ public class TestWALCellCodecWithCompression {
     Decoder decoder = codec.getDecoder(is);
     decoder.advance();
     KeyValue kv = (KeyValue) decoder.current();
-    List<Tag> tags = kv.getTags();
+    List<Tag> tags = PrivateCellUtil.getTags(kv);
     assertEquals(1, tags.size());
     assertEquals("tagValue1", Bytes.toString(Tag.cloneValue(tags.get(0))));
     decoder.advance();
     kv = (KeyValue) decoder.current();
-    tags = kv.getTags();
+    tags = PrivateCellUtil.getTags(kv);
     assertEquals(0, tags.size());
     decoder.advance();
     kv = (KeyValue) decoder.current();
-    tags = kv.getTags();
+    tags = PrivateCellUtil.getTags(kv);
     assertEquals(2, tags.size());
     assertEquals("tagValue1", Bytes.toString(Tag.cloneValue(tags.get(0))));
     assertEquals("tagValue2", Bytes.toString(Tag.cloneValue(tags.get(1))));

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWithTags.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWithTags.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWithTags.java
index e3c1959..98f11f7 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWithTags.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationWithTags.java
@@ -37,7 +37,7 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValueUtil;
-import org.apache.hadoop.hbase.RawCell;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.client.Admin;
@@ -252,7 +252,7 @@ public class TestReplicationWithTags {
         // Check tag presence in the 1st cell in 1st Result
         if (!results.isEmpty()) {
           Cell cell = results.get(0);
-          tags = ((RawCell)cell).getTags();
+          tags = PrivateCellUtil.getTags(cell);
         }
       }
     }

http://git-wip-us.apache.org/repos/asf/hbase/blob/0454a389/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsReplication.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsReplication.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsReplication.java
index 58be8f9..072a385 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsReplication.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/visibility/TestVisibilityLabelsReplication.java
@@ -42,7 +42,6 @@ import org.apache.hadoop.hbase.HTableDescriptor;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.KeyValueUtil;
 import org.apache.hadoop.hbase.PrivateCellUtil;
-import org.apache.hadoop.hbase.RawCell;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Tag;
 import org.apache.hadoop.hbase.TagType;
@@ -285,7 +284,7 @@ public class TestVisibilityLabelsReplication {
     for (Cell cell : cells) {
       if ((Bytes.equals(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(), row,
0,
           row.length))) {
-        List<Tag> tags = ((RawCell)cell).getTags();
+        List<Tag> tags = PrivateCellUtil.getTags(cell);
         for (Tag tag : tags) {
           if (tag.getType() == TagType.STRING_VIS_TAG_TYPE) {
             assertEquals(visTag, Tag.getValueAsString(tag));
@@ -413,9 +412,9 @@ public class TestVisibilityLabelsReplication {
               cf = CellUtil.cloneFamily(kv);
             }
             Tag tag = new ArrayBackedTag((byte) NON_VIS_TAG_TYPE, attribute);
-            List<Tag> tagList = new ArrayList<>(kv.getTags().size() + 1);
+            List<Tag> tagList = new ArrayList<>(PrivateCellUtil.getTags(cell).size()
+ 1);
             tagList.add(tag);
-            tagList.addAll(kv.getTags());
+            tagList.addAll(PrivateCellUtil.getTags(cell));
             Cell newcell = PrivateCellUtil.createCell(kv, tagList);
             ((List<Cell>) updatedCells).add(newcell);
           }
@@ -442,7 +441,7 @@ public class TestVisibilityLabelsReplication {
         // Check tag presence in the 1st cell in 1st Result
         if (!results.isEmpty()) {
           Cell cell = results.get(0);
-          tags = ((RawCell)cell).getTags();
+          tags = PrivateCellUtil.getTags(cell);
         }
       }
     }


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