org.fastnate.generator.converter

Class EnumConverter<E extends Enum<E>>

java.lang.Object

org.fastnate.generator.converter.EnumConverter<E>

Type Parameters:

E - the type of the enum

All Implemented Interfaces:

ValueConverter<E>

public class EnumConverter<E extends Enum<E>>
extends Object
implements ValueConverter<E>

Describes a enum property of an EntityClass.

Author:

Tobias Liefke

Field Summary

Fields

Modifier and Type	Field and Description
private javax.persistence.EnumType	exportType
private Class<E>	targetType

Constructor Summary

Constructors

Constructor and Description
EnumConverter(AttributeAccessor attribute, Class<E> targetType, boolean mapKey) Creates a new instance of this EnumConverter.

Method Summary

Modifier and Type	Method and Description
ColumnExpression	getExpression(E 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

Field Detail

targetType

private final Class<E extends Enum<E>> targetType

exportType

private final javax.persistence.EnumType exportType

Constructor Detail

EnumConverter

public EnumConverter(AttributeAccessor attribute,
                     Class<E> targetType,
                     boolean mapKey)

Creates a new instance of this EnumConverter.

Parameters:

attribute - the inspected attribute

targetType - the type of the enum

mapKey - indicates that the converter is for the key of a map

Method Detail

getExpression

public ColumnExpression getExpression(E 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<E extends Enum<E>>

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<E extends Enum<E>>

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)