Class ColumnListHandler<T>
- java.lang.Object
-
- org.apache.commons.dbutils.handlers.AbstractListHandler<T>
-
- org.apache.commons.dbutils.handlers.ColumnListHandler<T>
-
- Type Parameters:
T
- The type of the column.
- All Implemented Interfaces:
ResultSetHandler<List<T>>
public class ColumnListHandler<T> extends AbstractListHandler<T>
ResultSetHandler
implementation that converts oneResultSet
column into aList
ofObject
s. This class is thread safe.- Since:
- 1.1
- See Also:
ResultSetHandler
-
-
Constructor Summary
Constructors Constructor Description ColumnListHandler()
Creates a new instance of ColumnListHandler.ColumnListHandler(int columnIndex)
Creates a new instance of ColumnListHandler.ColumnListHandler(String columnName)
Creates a new instance of ColumnListHandler.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected T
handleRow(ResultSet resultSet)
Returns oneResultSet
column value asObject
.-
Methods inherited from class org.apache.commons.dbutils.handlers.AbstractListHandler
handle
-
-
-
-
Constructor Detail
-
ColumnListHandler
public ColumnListHandler()
Creates a new instance of ColumnListHandler. The first column of each row will be returned fromhandle()
.
-
ColumnListHandler
public ColumnListHandler(int columnIndex)
Creates a new instance of ColumnListHandler.- Parameters:
columnIndex
- The index of the column to retrieve from theResultSet
.
-
ColumnListHandler
public ColumnListHandler(String columnName)
Creates a new instance of ColumnListHandler.- Parameters:
columnName
- The name of the column to retrieve from theResultSet
.
-
-
Method Detail
-
handleRow
protected T handleRow(ResultSet resultSet) throws SQLException
Returns oneResultSet
column value asObject
.- Specified by:
handleRow
in classAbstractListHandler<T>
- Parameters:
resultSet
-ResultSet
to process.- Returns:
Object
, nevernull
.- Throws:
SQLException
- if a database access error occursClassCastException
- if the class datatype does not match the column type- See Also:
AbstractListHandler.handle(ResultSet)
-
-