本文整理汇总了Java中org.springframework.jdbc.IncorrectResultSetColumnCountException类的典型用法代码示例。如果您正苦于以下问题：Java IncorrectResultSetColumnCountException类的具体用法？Java IncorrectResultSetColumnCountException怎么用？Java IncorrectResultSetColumnCountException使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
IncorrectResultSetColumnCountException类属于org.springframework.jdbc包，在下文中一共展示了IncorrectResultSetColumnCountException类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: mapRow
import org.springframework.jdbc.IncorrectResultSetColumnCountException; //导入依赖的package包/类
/**
* Extract a value for the single column in the current row.
* <p>Validates that there is only one column selected,
* then delegates to {@code getColumnValue()} and also
* {@code convertValueToRequiredType}, if necessary.
* @see java.sql.ResultSetMetaData#getColumnCount()
* @see #getColumnValue(java.sql.ResultSet, int, Class)
* @see #convertValueToRequiredType(Object, Class)
*/
@Override
@SuppressWarnings("unchecked")
public T mapRow(ResultSet rs, int rowNum) throws SQLException {
// Validate column count.
ResultSetMetaData rsmd = rs.getMetaData();
int nrOfColumns = rsmd.getColumnCount();
if (nrOfColumns != 1) {
throw new IncorrectResultSetColumnCountException(1, nrOfColumns);
}
// Extract column value from JDBC ResultSet.
Object result = getColumnValue(rs, 1, this.requiredType);
if (result != null && this.requiredType != null && !this.requiredType.isInstance(result)) {
// Extracted value does not match already: try to convert it.
try {
return (T) convertValueToRequiredType(result, this.requiredType);
}
catch (IllegalArgumentException ex) {
throw new TypeMismatchDataAccessException(
"Type mismatch affecting row number " + rowNum + " and column type '" +
rsmd.getColumnTypeName(1) + "': " + ex.getMessage());
}
}
return (T) result;
}
示例2: mapRow
import org.springframework.jdbc.IncorrectResultSetColumnCountException; //导入依赖的package包/类
/**
* Extract a value for the single column in the current row.
* <p>Validates that there is only one column selected,
* then delegates to {@code getColumnValue()} and also
* {@code convertValueToRequiredType}, if necessary.
* @see java.sql.ResultSetMetaData#getColumnCount()
* @see #getColumnValue(java.sql.ResultSet, int, Class)
* @see #convertValueToRequiredType(Object, Class)
*/
@SuppressWarnings("unchecked")
public T mapRow(ResultSet rs, int rowNum) throws SQLException {
// Validate column count.
ResultSetMetaData rsmd = rs.getMetaData();
int nrOfColumns = rsmd.getColumnCount();
if (nrOfColumns != 1) {
throw new IncorrectResultSetColumnCountException(1, nrOfColumns);
}
// Extract column value from JDBC ResultSet.
Object result = getColumnValue(rs, 1, this.requiredType);
if (result != null && this.requiredType != null && !this.requiredType.isInstance(result)) {
// Extracted value does not match already: try to convert it.
try {
return (T) convertValueToRequiredType(result, this.requiredType);
}
catch (IllegalArgumentException ex) {
throw new TypeMismatchDataAccessException(
"Type mismatch affecting row number " + rowNum + " and column type '" +
rsmd.getColumnTypeName(1) + "': " + ex.getMessage());
}
}
return (T) result;
}
示例3: mapRow
import org.springframework.jdbc.IncorrectResultSetColumnCountException; //导入依赖的package包/类
@Override
public Object mapRow(ResultSet rs, int rowNum) throws SQLException {
ResultSetMetaData metaData = rs.getMetaData();
int columns = metaData.getColumnCount();
if (columns != 1) {
throw new IncorrectResultSetColumnCountException(1, columns);
}
return JdbcUtils.getResultSetValue(rs, 1);
}
开发者ID:vikrammane23，项目名称:https-github.com-g0t4-jenkins2-course-spring-boot，代码行数:10，代码来源:DataSourceHealthIndicator.java
示例4: getSingleResult
import org.springframework.jdbc.IncorrectResultSetColumnCountException; //导入依赖的package包/类
protected <E> E getSingleResult(List<E> list) throws DataAccessException {
E singleResult = null;
if (!(list == null || list.isEmpty())) {
if (list.size() != 1) {
throw new IncorrectResultSetColumnCountException(1, list.size());
}
singleResult = list.get(0);
}
return singleResult;
}