org.apache.slide.structure
Class ObjectNode

java.lang.Object
  |
  +--org.apache.slide.structure.ObjectNode

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

Direct Known Subclasses:

ActionNode, GroupNode, LinkNode, SubjectNode

public abstract class ObjectNode

extends java.lang.Object

implements java.io.Serializable, java.lang.Cloneable

Represents any kind of object node.

This includes actors, activities and collections.

Version:

$Revision: 1.5 $

Author:

Remy Maucherat

See Also:

Serialized Form

Field Summary

protected java.util.Vector	children Vector of children's Uris.
protected java.util.Vector	links Vector of inbound links' Uris.
protected java.lang.String	uri Unique ressource identifier of the object.

Constructor Summary

ObjectNode()
Default constructor.

ObjectNode(java.lang.String uri)
Default constructor.

ObjectNode(java.lang.String uri, java.util.Vector children, java.util.Vector links)
Default constructor.

Method Summary

(package private) void	addChild(ObjectNode child) Add a new child.
(package private) void	addChild(java.lang.String uri) Add a new child to this object.
ObjectNode	cloneObject() Clone.
ObjectNode	copyObject() Copy.
java.util.Enumeration	enumerateChildren() Return this object's children
java.util.Enumeration	enumerateLinks() Return this object's inbound links
boolean	equals(java.lang.Object obj) Equals.
java.util.Enumeration	getChildren() Deprecated.
java.lang.String	getUri() Get object's unique resource identifier.
boolean	hasChild(ObjectNode child) Test if this object has the specified child.
boolean	hasChild(java.lang.String uri) Test if object has the specified child.
boolean	hasChildren() Test if object has children.
(package private) void	removeChild(java.lang.String uri) Remove child.
(package private) void	removeChildren() Remove all children.
(package private) void	setUri(java.lang.String uri) Set object's unique identifier.
void	validate(java.lang.String expectedUri) Validate an ObjectNode.

Methods inherited from class java.lang.Object

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

Field Detail

uri

protected java.lang.String uri

Unique ressource identifier of the object.

children

protected java.util.Vector children

Vector of children's Uris.

links

protected java.util.Vector links

Vector of inbound links' Uris.

Constructor Detail

ObjectNode

public ObjectNode()

Default constructor.

ObjectNode

public ObjectNode(java.lang.String uri)

Default constructor.

ObjectNode

public ObjectNode(java.lang.String uri,
                  java.util.Vector children,
                  java.util.Vector links)

Default constructor.

Method Detail

getUri

public java.lang.String getUri()

Get object's unique resource identifier.

Returns:

String Uri

setUri

void setUri(java.lang.String uri)

Set object's unique identifier.

Parameters:

uri - Object Uri

getChildren

public java.util.Enumeration getChildren()

Deprecated.

Return this object's children

Returns:

Enumeration Children's uris

enumerateChildren

public java.util.Enumeration enumerateChildren()

Return this object's children

Returns:

Enumeration Children's uris

addChild

void addChild(ObjectNode child)

Add a new child.

Parameters:

object - Child

addChild

void addChild(java.lang.String uri)

Add a new child to this object.

Parameters:

uri - Child's uri

removeChildren

void removeChildren()

Remove all children.

removeChild

void removeChild(java.lang.String uri)

Remove child.

Parameters:

uri - Child's Uri

hasChild

public boolean hasChild(java.lang.String uri)

Test if object has the specified child.

Parameters:

object - Child's uri

Returns:

boolean true if this object has the specified child, false otherwise

hasChild

public boolean hasChild(ObjectNode child)

Test if this object has the specified child.

Parameters:

child - Child object

Returns:

boolean true if this object has the specified child, false otherwise

hasChildren

public boolean hasChildren()

Test if object has children.

Returns:

boolean true if this object has children, false otherwise

enumerateLinks

public java.util.Enumeration enumerateLinks()

Return this object's inbound links

Returns:

Enumeration Inbound links uris

equals

public boolean equals(java.lang.Object obj)

Equals.

Overrides:

equals in class java.lang.Object

Parameters:

obj - Object to test

Returns:

boolean True if the two object are equal :

obj is of type ObjectNode and is not null

The Uris are equal

cloneObject

public ObjectNode cloneObject()

Clone.

Returns:

Object clone

copyObject

public ObjectNode copyObject()

Copy.

Returns:

Object copy

validate

public void validate(java.lang.String expectedUri)

Validate an ObjectNode.

Parameters:

expectedUri - Uri