org.fastnate.generator.converter

Class EntityConverter

java.lang.Object

org.fastnate.generator.converter.EntityConverter

All Implemented Interfaces:

ValueConverter<Object>

public class EntityConverter
extends Object
implements ValueConverter<Object>

Converts the reference to an entity to an expression that uses the sequence value of that entity.

Author:

Tobias Liefke

Constructor Summary

Constructors

Constructor and Description
EntityConverter()

Method Summary

Modifier and Type	Method and Description
static ColumnExpression	getEntityReference(Object entity, String mappedId, GeneratorContext context, boolean whereExpression) Creates an expression for an entity.
ColumnExpression	getExpression(Object value, GeneratorContext context) Builds the expression for writing the given value into an SQL clause.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.fastnate.generator.converter.ValueConverter

getExpression

Constructor Detail

EntityConverter

public EntityConverter()

Method Detail

getEntityReference

public static ColumnExpression getEntityReference(Object entity,
                                                  String mappedId,
                                                  GeneratorContext context,
                                                  boolean whereExpression)

Creates an expression for an entity.

Parameters:

entity - the entity

mappedId - the property that contains the id, only interesting if the id is an EmbeddedProperty

context - the current database context

whereExpression - indicates that the reference is used in a "where" statement

Returns:

the expression using the sequence of that entity or null if the entity was not written up to now

getExpression

public ColumnExpression getExpression(Object 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<Object>

Parameters:

value - the current value

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

Returns:

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