org.skife.jdbi.v2.util

Class LongMapper

java.lang.Object

org.skife.jdbi.v2.util.TypedMapper<Long>

org.skife.jdbi.v2.util.LongMapper

All Implemented Interfaces:

ResultSetMapper<Long>

public class LongMapper
extends TypedMapper<Long>

Convenience ResultSetMapper for extracting a single value result from a query.

Field Summary

Fields

Modifier and Type	Field and Description
static LongMapper	FIRST An instance which extracts value from the first field

Constructor Summary

Constructors

Constructor and Description
LongMapper() Create a new instance which extracts the value from the first column
LongMapper(int index) Create a new instance which extracts the value positionally in the result set
LongMapper(String name) Create a new instance which extracts the value by name or alias from the result set

Method Summary

Modifier and Type	Method and Description
protected Long	extractByIndex(ResultSet r, int index)
protected Long	extractByName(ResultSet r, String name)

Methods inherited from class org.skife.jdbi.v2.util.TypedMapper

map

Methods inherited from class java.lang.Object

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

Field Detail

FIRST

public static final LongMapper FIRST

An instance which extracts value from the first field

Constructor Detail

LongMapper

public LongMapper()

Create a new instance which extracts the value from the first column

LongMapper

public LongMapper(int index)

Create a new instance which extracts the value positionally in the result set

Parameters:

index - 1 based column index into the result set

LongMapper

public LongMapper(String name)

Create a new instance which extracts the value by name or alias from the result set

Parameters:

name - The name or alias for the field

Method Detail

extractByIndex

protected Long extractByIndex(ResultSet r,
                              int index)
                       throws SQLException

Specified by:

extractByIndex in class TypedMapper<Long>

Throws:

SQLException

extractByName

protected Long extractByName(ResultSet r,
                             String name)
                      throws SQLException

Specified by:

extractByName in class TypedMapper<Long>

Throws:

SQLException