【Java开源代码栏目提醒】:网学会员在Java开源代码频道为大家收集整理了DoubleTypeHandler.java提供大家参考,希望对大家有所帮助!
/*
* Copyright 2004 Clinton Begin
*
* Licensed 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 com.ibatis.sqlmap.engine.type;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* Double implementation of TypeHandler
*/
public class DoubleTypeHandler extends BaseTypeHandler implements TypeHandler {
public void setParameter(PreparedStatement ps, int i, Object parameter, String jdbcType)
throws SQLException {
ps.setDouble(i, ((Double) parameter).doubleValue());
}
public Object getResult(ResultSet rs, String columnName)
throws SQLException {
double d = rs.getDouble(columnName);
if (rs.wasNull()) {
return null;
} else {
return new Double(d);
}
}
public Object getResult(ResultSet rs, int columnIndex)
throws SQLException {
double d = rs.getDouble(columnIndex);
if (rs.wasNull()) {
return null;
} else {
return new Double(d);
}
}
public Object getResult(CallableStatement cs, int columnIndex)
throws SQLException {
double d = cs.getDouble(columnIndex);
if (cs.wasNull()) {
return null;
} else {
return new Double(d);
}
}
public Object valueOf(String s) {
return Double.valueOf(s);
}
}
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