org.apache.commons.dbutils.handlers
Class ColumnListHandler

java.lang.Object
  org.apache.commons.dbutils.handlers.AbstractListHandler<Object>
      org.apache.commons.dbutils.handlers.ColumnListHandler

All Implemented Interfaces:

ResultSetHandler<List<Object>>

public class ColumnListHandler
extends AbstractListHandler<Object>

ResultSetHandler implementation that converts one ResultSet column into a List of Objects. This class is thread safe.

Since:

DbUtils 1.1

See Also:

ResultSetHandler

Constructor Summary

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

protected Object

handleRow(ResultSet rs) Returns one ResultSet column value as Object.

Methods inherited from class org.apache.commons.dbutils.handlers.AbstractListHandler

handle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnListHandler

public ColumnListHandler()

Creates a new instance of ColumnListHandler. The first column of each row will be returned from handle().

ColumnListHandler

public ColumnListHandler(int columnIndex)

Creates a new instance of ColumnListHandler.

Parameters:

columnIndex - The index of the column to retrieve from the ResultSet.

ColumnListHandler

public ColumnListHandler(String columnName)

Creates a new instance of ColumnListHandler.

Parameters:

columnName - The name of the column to retrieve from the ResultSet.

Method Detail

handleRow

protected Object handleRow(ResultSet rs)
                    throws SQLException

Returns one ResultSet column value as Object.

Specified by:

handleRow in class AbstractListHandler<Object>

Parameters:

rs - ResultSet to process.

Returns:

Object, never null.

Throws:

SQLException - if a database access error occurs

See Also:

AbstractListHandler.handle(ResultSet)