Github user poornachandra commented on a diff in the pull request: https://github.com/apache/incubator-tephra/pull/67#discussion_r160397436 --- Diff: tephra-hbase-compat-2.0/src/main/java/org/apache/tephra/hbase/SecondaryIndexTable.java --- @@ -0,0 +1,182 @@ +/* + * 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.common.base.Throwables; + +import org.apache.hadoop.hbase.Cell; +import org.apache.hadoop.hbase.CellUtil; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.client.Admin; +import org.apache.hadoop.hbase.client.Connection; +import org.apache.hadoop.hbase.client.ConnectionFactory; +import org.apache.hadoop.hbase.client.Get; +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.Scan; +import org.apache.hadoop.hbase.client.Table; +import org.apache.hadoop.hbase.client.TableDescriptorBuilder; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.tephra.TransactionContext; +import org.apache.tephra.TransactionFailureException; +import org.apache.tephra.distributed.TransactionServiceClient; + +import java.io.Closeable; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.Set; + +/** + * A Transactional SecondaryIndexTable. + */ +public class SecondaryIndexTable implements Closeable { + private byte[] secondaryIndex; + private TransactionAwareHTable transactionAwareHTable; + private TransactionAwareHTable secondaryIndexTable; + private TransactionContext transactionContext; + private final TableName secondaryIndexTableName; + private Connection connection; + private static final byte[] secondaryIndexFamily = Bytes.toBytes("secondaryIndexFamily"); + private static final byte[] secondaryIndexQualifier = Bytes.toBytes('r'); + private static final byte[] DELIMITER = new byte[] {0}; + + public SecondaryIndexTable(TransactionServiceClient transactionServiceClient, Table table, + byte[] secondaryIndex) throws IOException { + secondaryIndexTableName = TableName.valueOf(table.getName().getNameAsString() + ".idx"); + this.connection = ConnectionFactory.createConnection(table.getConfiguration()); + Table secondaryIndexHTable = null; + try (Admin hBaseAdmin = this.connection.getAdmin()) { + if (!hBaseAdmin.tableExists(secondaryIndexTableName)) { + hBaseAdmin.createTable(TableDescriptorBuilder.newBuilder(secondaryIndexTableName).build()); + } + secondaryIndexHTable = this.connection.getTable(secondaryIndexTableName); + } catch (Exception e) { + Throwables.propagate(e); --- End diff -- It would be good to close the `connection` in case of exception.
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