com.whitestein.lsps.engine.state.xml

Class ValueRef

java.lang.Object

com.whitestein.lsps.engine.state.xml.ValueRef

All Implemented Interfaces:

UnmarshalCallback, ModelInstanceAware, SimpleValue, Value, XmlEntity

public class ValueRef
extends Object
implements SimpleValue, ModelInstanceAware

Value referencing another value by id.

Author:

rba

Field Summary

Fields

Modifier and Type	Field and Description
protected ModelInstance	modelInstance Model instance.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ValueRef() Creates empty instance.
	ValueRef(ModelInstance modelInstance, long id) Creates new instance.

Method Summary

Modifier and Type	Method and Description
<T,E extends Throwable> T	accept(ValueVisitor<T,E> visitor) Accepts visitor.
Type	getCompiledType(ModelProviderClientService modelProviderService) Returns the compiled type.
ModelInstance	getModelInstance() Returns the model instance.
String	getType() Returns the type.
Long	getValue() Returns the contained value.
boolean	isRemoved() Returns true if value is removed
ValueRef	makeCopy(ModelInstance targetModelInstance) Creates copy of the value in the target model instance.
void	postUnmarshal(javax.xml.bind.Unmarshaller unmarshaller, Object parent) Callback method invoked after unmarshalling XML data into target.
void	preUnmarshal(javax.xml.bind.Unmarshaller unmarshaller, Object parent) Callback method invoked before unmarshalling into target.
void	rebind(ModelInstance modelInstance) Re-binds to a model instance.
SimpleValue	toSimpleValue() If this is SimpleValue this method returns this, otherwise it returns a ValueRef to this.
String	toString()
Value	toValue() If this is a ValueRef this method returns the referenced value, otherwise it returns this.

Methods inherited from class java.lang.Object

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

Field Detail

modelInstance

protected ModelInstance modelInstance

Model instance.

Constructor Detail

ValueRef

protected ValueRef()

Creates empty instance.

ValueRef

public ValueRef(ModelInstance modelInstance,
                long id)

Creates new instance.

Parameters:

modelInstance -

id -

Throws:

NullPointerException - if modelInstance is null

Method Detail

getValue

public Long getValue()

Description copied from interface: SimpleValue

Returns the contained value.

Specified by:

getValue in interface SimpleValue

Returns:

the contained value

getType

public String getType()

Description copied from interface: Value

Returns the type.

Specified by:

getType in interface Value

Returns:

the type

getCompiledType

public Type getCompiledType(ModelProviderClientService modelProviderService)

Description copied from interface: Value

Returns the compiled type.

Specified by:

getCompiledType in interface Value

Returns:

the compiled type

accept

public <T,E extends Throwable> T accept(ValueVisitor<T,E> visitor)
                                 throws E extends Throwable

Description copied from interface: Value

Accepts visitor.

Specified by:

accept in interface Value

Returns:

the result

Throws:

E

E extends Throwable

toValue

public Value toValue()

Description copied from interface: Value

If this is a ValueRef this method returns the referenced value, otherwise it returns this.

Specified by:

toValue in interface Value

Returns:

a Value

getModelInstance

public ModelInstance getModelInstance()

Description copied from interface: ModelInstanceAware

Returns the model instance.

Specified by:

getModelInstance in interface ModelInstanceAware

Returns:

the model instance

toSimpleValue

public SimpleValue toSimpleValue()

Description copied from interface: Value

If this is SimpleValue this method returns this, otherwise it returns a ValueRef to this.

Specified by:

toSimpleValue in interface Value

Returns:

a SimpleValue

preUnmarshal

public void preUnmarshal(javax.xml.bind.Unmarshaller unmarshaller,
                         Object parent)

Description copied from interface: UnmarshalCallback

Callback method invoked before unmarshalling into target.

This method is invoked immediately after target was created and before the unmarshalling of this object begins.

Specified by:

preUnmarshal in interface UnmarshalCallback

parent - instance of JAXB mapped class that will eventually reference target. null when target is root element.

postUnmarshal

public void postUnmarshal(javax.xml.bind.Unmarshaller unmarshaller,
                          Object parent)

Description copied from interface: UnmarshalCallback

Callback method invoked after unmarshalling XML data into target.

This method is invoked after all the properties (except IDREF) are unmarshalled into target, but before target is set into its parent object.

Specified by:

postUnmarshal in interface UnmarshalCallback

parent - instance of JAXB mapped class that will reference target. null when target is root element.

rebind

public void rebind(ModelInstance modelInstance)

Re-binds to a model instance.

Specified by:

rebind in interface ModelInstanceAware

Parameters:

modelInstance -

makeCopy

public ValueRef makeCopy(ModelInstance targetModelInstance)

Description copied from interface: Value

Creates copy of the value in the target model instance.

Specified by:

makeCopy in interface SimpleValue

Specified by:

makeCopy in interface Value

Returns:

copy of the value in the target model instance

isRemoved

public boolean isRemoved()

Description copied from interface: Value

Returns true if value is removed

Specified by:

isRemoved in interface Value

Returns:

true if value is removed

toString

public String toString()

Overrides:

toString in class Object