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1   /*
2    * Copyright (c) 2011.  The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.hadoop.hbase.hbql.client;
22  
23  import java.util.List;
24  
25  public interface HStatement {
26  
27      // Async queries
28      QueryFuture executeQueryAsync(String sql, QueryListener<HRecord>... listeners) throws HBqlException;
29  
30      <T> QueryFuture executeQueryAsync(String sql, Class clazz, QueryListener<T>... listeners) throws HBqlException;
31  
32      // Sync queries
33      HResultSet<HRecord> executeQuery(String sql, QueryListener<HRecord>... listeners) throws HBqlException;
34  
35      <T> HResultSet<T> executeQuery(String sql, Class clazz, QueryListener<T>... listeners) throws HBqlException;
36  
37      ExecutionResults execute(String sql) throws HBqlException;
38  
39      List<HRecord> executeQueryAndFetch(String sql, QueryListener<HRecord>... listeners) throws HBqlException;
40  
41      <T> List<T> executeQueryAndFetch(String sql, Class clazz, QueryListener<T>... listeners) throws HBqlException;
42  
43      ExecutionResults executeUpdate(String sql) throws HBqlException;
44  
45      <T> HResultSet<T> getResultSet();
46  
47      void close() throws HBqlException;
48  
49      boolean isClosed();
50  }