org.oddjob.sql

Class ColumnExtractor<T>

java.lang.Object

org.oddjob.sql.ColumnExtractor<T>

public abstract class ColumnExtractor<T>
extends Object

Something that is able to extract a value from a column based on the SQL Type.

Author:

rob

Field Summary

Fields

Modifier and Type	Field and Description
static ColumnExtractor<BigDecimal>	BIG_DECIMAL_EXTRACTOR
static ColumnExtractor<Boolean>	BOOLEAN_EXTRACTOR
static ColumnExtractor<Date>	DATE_EXTRACTOR
static ColumnExtractor<Object>	DEFAULT_EXTRACTOR
static ColumnExtractor<Double>	DOUBLE_EXTRACTOR
static ColumnExtractor<Integer>	INT_EXTRACTOR
static ColumnExtractor<Long>	LONG_EXTRACTOR
static ColumnExtractor<Short>	SHORT_EXTRACTOR
static Map<Integer,String>	SQL_TYPE_NAMES
static ColumnExtractor<String>	STRING_EXTRACTOR
static ColumnExtractor<Time>	TIME_EXTRACTOR
static ColumnExtractor<Timestamp>	TIMESTAMP_EXTRACTOR

Constructor Summary

Constructors

Constructor and Description
ColumnExtractor()

Method Summary

Methods

Modifier and Type	Method and Description
abstract T	extract(ResultSet rs, int columnIndex) Extract the value from the column.
static <X> ColumnExtractor<X>	getColumnExtractor(Integer sqlType)
abstract Class<T>	getType() Get the class of this Column Extractor.

Methods inherited from class java.lang.Object

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

Field Detail

SQL_TYPE_NAMES

public static final Map<Integer,String> SQL_TYPE_NAMES

BOOLEAN_EXTRACTOR

public static final ColumnExtractor<Boolean> BOOLEAN_EXTRACTOR

SHORT_EXTRACTOR

public static final ColumnExtractor<Short> SHORT_EXTRACTOR

INT_EXTRACTOR

public static final ColumnExtractor<Integer> INT_EXTRACTOR

LONG_EXTRACTOR

public static final ColumnExtractor<Long> LONG_EXTRACTOR

DOUBLE_EXTRACTOR

public static final ColumnExtractor<Double> DOUBLE_EXTRACTOR

BIG_DECIMAL_EXTRACTOR

public static final ColumnExtractor<BigDecimal> BIG_DECIMAL_EXTRACTOR

STRING_EXTRACTOR

public static final ColumnExtractor<String> STRING_EXTRACTOR

DATE_EXTRACTOR

public static final ColumnExtractor<Date> DATE_EXTRACTOR

TIME_EXTRACTOR

public static final ColumnExtractor<Time> TIME_EXTRACTOR

TIMESTAMP_EXTRACTOR

public static final ColumnExtractor<Timestamp> TIMESTAMP_EXTRACTOR

DEFAULT_EXTRACTOR

public static final ColumnExtractor<Object> DEFAULT_EXTRACTOR

Constructor Detail

ColumnExtractor

public ColumnExtractor()

Method Detail

getColumnExtractor

public static <X> ColumnExtractor<X> getColumnExtractor(Integer sqlType)

getType

public abstract Class<T> getType()

Get the class of this Column Extractor.

Returns:

The class, never null.

extract

public abstract T extract(ResultSet rs,
        int columnIndex)
                   throws SQLException

Extract the value from the column.

Parameters:

rs -

columnIndex -

Returns:

Throws:

SQLException