org.apache.commons.dbutils.handlers.columns

Class DoubleColumnHandler

java.lang.Object

org.apache.commons.dbutils.handlers.columns.DoubleColumnHandler

All Implemented Interfaces:

ColumnHandler<Double>

public class DoubleColumnHandler
extends Object
implements ColumnHandler<Double>

Constructor Summary

Constructors

Constructor and Description
DoubleColumnHandler()

Method Summary

Modifier and Type	Method and Description
Double	apply(ResultSet resultSet, int columnIndex) Retrieves the current row's column value from a ResultSet and stores it into an instance of propType.
boolean	match(Class<?> propType) Tests whether to handle a column targeted for a value type matching propType.

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleColumnHandler

public DoubleColumnHandler()

Method Detail

apply

public Double apply(ResultSet resultSet,
                    int columnIndex)
             throws SQLException

Description copied from interface: ColumnHandler

Retrieves the current row's column value from a ResultSet and stores it into an instance of propType. This method is only called if ColumnHandler.match(Class) returns true.

Specified by:

apply in interface ColumnHandler<Double>

Parameters:

resultSet - The source result set. This must be on the correct row.

columnIndex - The position of the column to retrieve, a 1-based index.

Returns:

The converted value or the original value if something doesn't work out.

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs or this method is called on a closed result set

match

public boolean match(Class<?> propType)

Description copied from interface: ColumnHandler

Tests whether to handle a column targeted for a value type matching propType.

Specified by:

match in interface ColumnHandler<Double>

Parameters:

propType - The type of the target parameter.

Returns:

true is this property handler handles this propType; false otherwise.