org.deduced
Class PropertyImplementation<E>

java.lang.Object
  org.deduced.PropertyImplementation<E>

Type Parameters:

E - the type of value stored in the property

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Property<E>

Direct Known Subclasses:

AbstractDeducedProperty, FlyWheelDynamicPropertyCollectionController.ChildCollectionControllerListPropertyImplementation, FlyWheelDynamicPropertyCollectionController.ChildPropertyControllerListPropertyImplementation

public class PropertyImplementation<E>
extends java.lang.Object
implements Property<E>

Property. This class holds a property instance and value. The instance describes the content of this property.

Author:

Steve McDuff

See Also:

Serialized Form

Field Summary

private PropertyCollection<?,?>	instance instance that describes the property
private static long	serialVersionUID the serial version
private E	value value of the property

Constructor Summary

protected	PropertyImplementation() PropertyImplementation constructor with no arguments
	PropertyImplementation(Property<? extends E> otherProperty) copy constructor for Property
	PropertyImplementation(PropertyCollection<?,?> setInstance, E setValue) constructor for Property

Method Summary

static boolean	arePropertiesEqual(Property<?> firstProperty, Property<?> secondProperty) test if 2 properties are equal depending on the type of instance they contain
static boolean	arePropertyValuesEqual(boolean isReference, java.lang.Object firstValue, java.lang.Object secondValue) test if 2 property values are equal depending on whether a property is by reference or not.
static <E> E	clonePropertyValue(PropertyCollection<?,?> instance, E valueToClone) clone Property Value
void	copy(Property<? extends E> otherProperty) copy a property
boolean	equals(java.lang.Object obj) (non-Javadoc)
PropertyCollection<?,?>	getInstance()
E	getValue()
PropertyCollection<?,?>	getValueType() fetch the property type of the value held by this property
int	hashCode() (non-Javadoc)
boolean	isValueEqual(java.lang.Object otherValue) test if the specified value is the same that is held by this property.
static void	resetParentOnValue(java.lang.Object value, PropertyCollection<?,?> instance, PropertyCollection<?,?> parent, java.lang.Object propertyKey) reset Parent On Old Value
protected void	setInstance(PropertyCollection<?,?> setInstance) set Instance
void	setValue(E setValue)
static <V> void	setValueOnProperty(Property<V> setProperty, java.lang.Object propertyKey, V value, PropertyCollection<?,?> parent) set Value On Property
static void	setValueParent(java.lang.Object value, PropertyCollection<?,?> instance, PropertyCollection<?,?> parent, java.lang.Object keyOnParent) Set the parent property collection that owns the property.
java.lang.String	toString() (non-Javadoc)

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

the serial version

See Also:

Constant Field Values

instance

private PropertyCollection<?,?> instance

instance that describes the property

value

private E value

value of the property

Constructor Detail

PropertyImplementation

public PropertyImplementation(PropertyCollection<?,?> setInstance,
                              E setValue)

constructor for Property

Parameters:

setInstance - the instance description

setValue - the value of the property

PropertyImplementation

protected PropertyImplementation()

PropertyImplementation constructor with no arguments

PropertyImplementation

public PropertyImplementation(Property<? extends E> otherProperty)

copy constructor for Property

Parameters:

otherProperty - the property to copy

Method Detail

setInstance

protected void setInstance(PropertyCollection<?,?> setInstance)

set Instance

Parameters:

setInstance - instance to set

getInstance

public PropertyCollection<?,?> getInstance()

Specified by:

getInstance in interface Property<E>

Returns:

Returns the property instance description.

getValue

public E getValue()

Specified by:

getValue in interface Property<E>

Returns:

Returns the value.

setValue

public void setValue(E setValue)

Specified by:

setValue in interface Property<E>

Parameters:

setValue - The value to set.

setValueOnProperty

public static <V> void setValueOnProperty(Property<V> setProperty,
                                          java.lang.Object propertyKey,
                                          V value,
                                          PropertyCollection<?,?> parent)

set Value On Property

Type Parameters:

V - type of value in the property to modify

Parameters:

setProperty - the property on which to set the value

propertyKey - the the property key

value - the new property value

parent - the value parent

copy

public void copy(Property<? extends E> otherProperty)

copy a property

Specified by:

copy in interface Property<E>

Parameters:

otherProperty - the other property to copy

toString

public java.lang.String toString()

(non-Javadoc)

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

arePropertiesEqual

public static boolean arePropertiesEqual(Property<?> firstProperty,
                                         Property<?> secondProperty)

test if 2 properties are equal depending on the type of instance they contain

Parameters:

firstProperty - the first property

secondProperty - the second property

Returns:

true if both properties are equal

arePropertyValuesEqual

public static boolean arePropertyValuesEqual(boolean isReference,
                                             java.lang.Object firstValue,
                                             java.lang.Object secondValue)

test if 2 property values are equal depending on whether a property is by reference or not.

Parameters:

isReference - is the property a reference or not.

firstValue - the first value

secondValue - the second value

Returns:

true if the two values are equal

equals

public boolean equals(java.lang.Object obj)

(non-Javadoc)

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(java.lang.Object)

isValueEqual

public boolean isValueEqual(java.lang.Object otherValue)

test if the specified value is the same that is held by this property. If the property is held by reference, the reference is compared. Otherwise the value is used

Specified by:

isValueEqual in interface Property<E>

Parameters:

otherValue - the value to check for equality

Returns:

true if this property contains the same value

setValueParent

public static void setValueParent(java.lang.Object value,
                                  PropertyCollection<?,?> instance,
                                  PropertyCollection<?,?> parent,
                                  java.lang.Object keyOnParent)

Set the parent property collection that owns the property. In order for the parent to be set, the property needs to own the value (i.e. it's not by reference) and the value needs to be a property collection.

Parameters:

value - the value on which to set the parent

instance - the instance used to contain the value

parent - the parent collection

keyOnParent - the key on the parent collection

resetParentOnValue

public static void resetParentOnValue(java.lang.Object value,
                                      PropertyCollection<?,?> instance,
                                      PropertyCollection<?,?> parent,
                                      java.lang.Object propertyKey)

reset Parent On Old Value

Parameters:

value - value on which to reset the parent

instance - instance used to reference the value

parent - the previous parent

propertyKey - the expected property key

clonePropertyValue

public static <E> E clonePropertyValue(PropertyCollection<?,?> instance,
                                       E valueToClone)

clone Property Value

Type Parameters:

E - the type of value to clone

Parameters:

instance - the instance of the property being cloned

valueToClone - the value to clone

Returns:

the cloned value

getValueType

public PropertyCollection<?,?> getValueType()

fetch the property type of the value held by this property

Specified by:

getValueType in interface Property<E>

Returns:

the type of the value held in this property

hashCode

public int hashCode()

(non-Javadoc)

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()