com.github.erchu.beancp

Class Binding

java.lang.Object

com.github.erchu.beancp.Binding

Direct Known Subclasses:

BindingWithValueConversion, BindingWithValueMap

public class Binding
extends Object

Binding from source member to destination member defined using reflection.

See Also:

MapConvention.getBindings(com.github.erchu.beancp.MappingInfo, java.lang.Class, java.lang.Class)

Constructor Summary

Constructors

Constructor and Description
Binding(BindingSide[] sourcePath, BindingSide destinationMember) Creates binding from series of bindings from source (path) to destination member.
Binding(BindingSide sourceMember, BindingSide destinationMember) Creates Binding from source member to destination member.

Method Summary

Modifier and Type	Method and Description
void	execute(Mapper mapper, Object source, Object destination) Copies value from source to destination.
BindingSide	getDestinationMember() Returns destination member.
BindingSide[]	getSourcePath() Returns binding source path (series of bindings from source where n+1 binding returns member of object returned by n-th binding).
protected void	setValueAtDestination(Mapper mapper, Object destination, Object value) Sets value at destination.

Methods inherited from class java.lang.Object

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

Constructor Detail

Binding

public Binding(BindingSide[] sourcePath,
               BindingSide destinationMember)

Creates binding from series of bindings from source (path) to destination member.

Parameters:

sourcePath - series of bindings from source where n+1 binding returns member of object returned by n-th binding.

destinationMember - destination member.

Binding

public Binding(BindingSide sourceMember,
               BindingSide destinationMember)

Creates Binding from source member to destination member.

Parameters:

sourceMember - source member.

destinationMember - destination member.

Method Detail

getSourcePath

public BindingSide[] getSourcePath()

Returns binding source path (series of bindings from source where n+1 binding returns member of object returned by n-th binding).

Returns:

source path (series of bindings from source where n+1 binding returns member of object returned by n-th binding).

getDestinationMember

public BindingSide getDestinationMember()

Returns destination member.

Returns:

destination member.

execute

public void execute(Mapper mapper,
                    Object source,
                    Object destination)
             throws MappingException

Copies value from source to destination.

Parameters:

mapper - caller.

source - source object

destination - destination object.

Throws:

MappingException - when copy action fails.

setValueAtDestination

protected void setValueAtDestination(Mapper mapper,
                                     Object destination,
                                     Object value)

Sets value at destination.

Parameters:

mapper - caller.

destination - destination object.

value - value to set.