Package org.fastnate.generator.converter

Class NumberConverter

java.lang.Object

org.fastnate.generator.converter.NumberConverter

All Implemented Interfaces:

ValueConverter<Number>

public class NumberConverter
extends Object
implements ValueConverter<Number>

Converts a numeric value to a SQL expression.

Author:

Tobias Liefke

Constructor Summary

Constructors

Constructor	Description
NumberConverter(Class<? extends Number> type)	Creates a new instance of NumberConverter.

Method Summary

Modifier and Type	Method	Description
ColumnExpression	getExpression(Number value, GeneratorContext context)	Builds the expression for writing the given value into an SQL clause.
ColumnExpression	getExpression(String defaultValue, GeneratorContext context)	Builds the expression for writing the default value into an SQL clause.

Methods inherited from class java.lang.Object

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

Constructor Details

NumberConverter

public NumberConverter(Class<? extends Number> type)

Creates a new instance of NumberConverter.

Parameters:

type - the type of the number

Throws:

ModelException - if the String constructor is missing from the given number class

Method Details

getExpression

public ColumnExpression getExpression(Number value,
 GeneratorContext context)

Description copied from interface: ValueConverter

Builds the expression for writing the given value into an SQL clause.

Specified by:

getExpression in interface ValueConverter<Number>

Parameters:

value - the current value

context - the current context (contains the database dialect).

Returns:

the expression (that is including surrounding ' for string literals)

getExpression

public ColumnExpression getExpression(String defaultValue,
 GeneratorContext context)

Description copied from interface: ValueConverter

Builds the expression for writing the default value into an SQL clause.

Specified by:

getExpression in interface ValueConverter<Number>

Parameters:

defaultValue - the default value, as given in an DefaultValue expression

context - the current context (contains the database dialect).

Returns:

the expression (that is including surrounding ' for string literals)