org.springframework.binding.mapping
Class Mapping

java.lang.Object
  org.springframework.binding.mapping.Mapping

All Implemented Interfaces:

AttributeMapper

Direct Known Subclasses:

RequiredMapping

public class Mapping
extends java.lang.Object
implements AttributeMapper

A single mapping definition, encapulating the information neccessary to map the result of evaluating an expression on a source object to a property on a target object, optionally applying a type conversion during the mapping process.

Author:

Keith Donald

Constructor Summary

	Mapping(Expression sourceExpression, SettableExpression targetExpression, ConversionExecutor typeConverter) Creates a new mapping.
protected	Mapping(Expression sourceExpression, SettableExpression targetExpression, ConversionExecutor typeConverter, boolean required) Creates a new mapping.

Method Summary

boolean	equals(java.lang.Object o)
int	hashCode()
void	map(java.lang.Object source, java.lang.Object target, MappingContext context) Map the sourceAttribute in to the targetAttribute target map, performing type conversion if necessary.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Mapping

public Mapping(Expression sourceExpression,
               SettableExpression targetExpression,
               ConversionExecutor typeConverter)

Creates a new mapping.

Parameters:

sourceExpression - the source expression

targetExpression - the target expression

typeConverter - a type converter

Mapping

protected Mapping(Expression sourceExpression,
                  SettableExpression targetExpression,
                  ConversionExecutor typeConverter,
                  boolean required)

Creates a new mapping.

Parameters:

sourceExpression - the source expression

targetExpression - the target expression

typeConverter - a type converter

required - whether or not this mapping is required

Method Detail

map

public void map(java.lang.Object source,
                java.lang.Object target,
                MappingContext context)

Map the sourceAttribute in to the targetAttribute target map, performing type conversion if necessary.

Specified by:

map in interface AttributeMapper

Parameters:

source - The source data structure

target - The target data structure

context - the mapping context

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object