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1   /*
2    *    Copyright 2009-2021 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not use this file except in compliance with the License.
6    *    You may obtain a copy of the License at
7    *
8    *       http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.apache.ibatis.type;
17  
18  import java.sql.CallableStatement;
19  import java.sql.PreparedStatement;
20  import java.sql.ResultSet;
21  import java.sql.SQLException;
22  
23  /**
24   * @author Clinton Begin
25   */
26  public class FloatTypeHandler extends BaseTypeHandler<Float> {
27  
28    @Override
29    public void setNonNullParameter(PreparedStatement ps, int i, Float parameter, JdbcType jdbcType)
30        throws SQLException {
31      ps.setFloat(i, parameter);
32    }
33  
34    @Override
35    public Float getNullableResult(ResultSet rs, String columnName)
36        throws SQLException {
37      float result = rs.getFloat(columnName);
38      return result == 0 && rs.wasNull() ? null : result;
39    }
40  
41    @Override
42    public Float getNullableResult(ResultSet rs, int columnIndex)
43        throws SQLException {
44      float result = rs.getFloat(columnIndex);
45      return result == 0 && rs.wasNull() ? null : result;
46    }
47  
48    @Override
49    public Float getNullableResult(CallableStatement cs, int columnIndex)
50        throws SQLException {
51      float result = cs.getFloat(columnIndex);
52      return result == 0 && cs.wasNull() ? null : result;
53    }
54  }