net.sf.opendse.model
Class Element

java.lang.Object
  net.sf.opendse.model.Element

All Implemented Interfaces:

IAttributes

Direct Known Subclasses:

Edge, Mapping, Node

public class Element
extends java.lang.Object
implements IAttributes

The Element is the default element.

Field Summary

protected Attributes	attributes The local attributes of this element.
protected java.lang.String	id The unique id.
protected Element	parent The parent element.
static java.lang.String	TYPE The identifier for the type of an element.

Constructor Summary

Element(Element parent)
Constructs a new Element from a parent, i.e., a copy with local attributes.

Element(java.lang.String id)
Constructs a new Element.

Method Summary

boolean	equals(java.lang.Object obj)
<O> O	getAttribute(java.lang.String identifier) Returns the attribute
java.util.Set<java.lang.String>	getAttributeNames() Returns the attribute names.
Parameter	getAttributeParameter(java.lang.String identifier) Return the parameter definition or null if the attribute is not defined as parameter.
Attributes	getAttributes() Returns the map of all pairs of attributes.
java.lang.String	getId() Returns the id.
java.util.Set<java.lang.String>	getLocalAttributeNames() Returns the local attribute names.
Attributes	getLocalAttributes() Returns the local attributes.
Element	getParent() Returns the parent element.
java.lang.String	getType() Returns the type of the element.
int	hashCode()
boolean	isDefined(java.lang.String identifier) Tests whether an attribute is defined.
void	setAttribute(java.lang.String identifier, java.lang.Object object) Sets the attribute.
void	setParent(Element element) Sets the parent element.
void	setType(java.lang.String type) Sets the type of the element.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static java.lang.String TYPE

The identifier for the type of an element.

attributes

protected final Attributes attributes

The local attributes of this element.

parent

protected Element parent

The parent element.

id

protected java.lang.String id

The unique id.

Constructor Detail

Element

public Element(java.lang.String id)

Constructs a new Element.

Parameters:

id - the id

Element

public Element(Element parent)

Constructs a new Element from a parent, i.e., a copy with local attributes.

Parameters:

parent - the parent

Method Detail

getId

public java.lang.String getId()

Returns the id.

Returns:

the id

getParent

public Element getParent()

Returns the parent element.

Returns:

the parent element

setParent

public void setParent(Element element)

Sets the parent element. This is only feasible, if the parent is not set yet. Changing a parent is not permitted.

Parameters:

element - the parent

getAttribute

public <O> O getAttribute(java.lang.String identifier)

Description copied from interface: IAttributes

Returns the attribute

Specified by:

getAttribute in interface IAttributes

Type Parameters:

O - the type of the attribute

Parameters:

identifier - the identifier of the attribute

Returns:

the value of the value of the attribute

isDefined

public boolean isDefined(java.lang.String identifier)

Description copied from interface: IAttributes

Tests whether an attribute is defined.

Specified by:

isDefined in interface IAttributes

Parameters:

identifier - the identifier of the attribute

Returns:

true if defined

getAttributes

public Attributes getAttributes()

Description copied from interface: IAttributes

Returns the map of all pairs of attributes.

Specified by:

getAttributes in interface IAttributes

Returns:

the attribute map

getLocalAttributes

public Attributes getLocalAttributes()

Returns the local attributes.

Returns:

the local attributes

getLocalAttributeNames

public java.util.Set<java.lang.String> getLocalAttributeNames()

Returns the local attribute names.

Returns:

the local attribute names

setAttribute

public void setAttribute(java.lang.String identifier,
                         java.lang.Object object)

Description copied from interface: IAttributes

Sets the attribute.

Specified by:

setAttribute in interface IAttributes

Parameters:

identifier - the identifier of the attribute

object - the value of the attribute

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getAttributeParameter

public Parameter getAttributeParameter(java.lang.String identifier)

Description copied from interface: IAttributes

Return the parameter definition or null if the attribute is not defined as parameter.

Specified by:

getAttributeParameter in interface IAttributes

Parameters:

identifier - the identifier of the attribute

Returns:

the parameter

getAttributeNames

public java.util.Set<java.lang.String> getAttributeNames()

Description copied from interface: IAttributes

Returns the attribute names.

Specified by:

getAttributeNames in interface IAttributes

Returns:

the attribute names

getType

public java.lang.String getType()

Returns the type of the element.

Returns:

the type of the element

setType

public void setType(java.lang.String type)

Sets the type of the element.

Parameters:

type - the type of the element