Github user poornachandra commented on a diff in the pull request:
https://github.com/apache/incubator-tephra/pull/67#discussion_r160398641
--- Diff:
tephra-hbase-compat-2.0/src/main/java/org/apache/tephra/hbase/TransactionAwareHTable.java
---
@@ -0,0 +1,729 @@
+/*
+ * 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.tephra.hbase;
+
+import com.google.protobuf.Descriptors.MethodDescriptor;
+import com.google.protobuf.Message;
+import com.google.protobuf.Service;
+import com.google.protobuf.ServiceException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.CellUtil;
+import org.apache.hadoop.hbase.CompareOperator;
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Append;
+import org.apache.hadoop.hbase.client.Delete;
+import org.apache.hadoop.hbase.client.Durability;
+import org.apache.hadoop.hbase.client.Get;
+import org.apache.hadoop.hbase.client.Increment;
+import org.apache.hadoop.hbase.client.Mutation;
+import org.apache.hadoop.hbase.client.OperationWithAttributes;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.ResultScanner;
+import org.apache.hadoop.hbase.client.Row;
+import org.apache.hadoop.hbase.client.RowMutations;
+import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.client.Table;
+import org.apache.hadoop.hbase.client.TableDescriptor;
+import org.apache.hadoop.hbase.client.coprocessor.Batch;
+import org.apache.hadoop.hbase.client.coprocessor.Batch.Callback;
+import org.apache.hadoop.hbase.filter.CompareFilter;
+import org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel;
+import org.apache.tephra.AbstractTransactionAwareTable;
+import org.apache.tephra.Transaction;
+import org.apache.tephra.TransactionAware;
+import org.apache.tephra.TxConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * A Transaction Aware HTable implementation for HBase 2.0. Operations are
committed as usual, but
+ * upon a failed or aborted transaction, they are rolled back to the state
before the transaction
+ * was started.
+ */
+public class TransactionAwareHTable extends AbstractTransactionAwareTable
+ implements Table, TransactionAware {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(TransactionAwareHTable.class);
--- End diff --
The convention in Tephra is to use 2 spaces for indentation, this class
uses 4 spaces.
---
