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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.driver.jdbc.adapter;
19  
20  import org.apache.shardingsphere.driver.jdbc.unsupported.AbstractUnsupportedOperationConnection;
21  
22  import java.sql.ResultSet;
23  import java.sql.SQLWarning;
24  
25  /**
26   * Adapter for {@code Connection}.
27   */
28  public abstract class AbstractConnectionAdapter extends AbstractUnsupportedOperationConnection {
29      
30      @Override
31      public final SQLWarning getWarnings() {
32          return null;
33      }
34      
35      @Override
36      public void clearWarnings() {
37      }
38      
39      @Override
40      public final int getHoldability() {
41          return ResultSet.CLOSE_CURSORS_AT_COMMIT;
42      }
43      
44      @Override
45      public final void setHoldability(final int holdability) {
46      }
47      
48      @Override
49      public final String getCatalog() {
50          return null;
51      }
52      
53      @Override
54      public final void setCatalog(final String catalog) {
55      }
56      
57      @Override
58      public final void setSchema(final String schema) {
59      }
60  }