com.artima.place
Class LinkItem

java.lang.Object
  |
  +--com.artima.place.LinkItem

All Implemented Interfaces:

java.io.Serializable

public class LinkItem

extends java.lang.Object

implements java.io.Serializable

Associates a Link with an attributes Set. Keeping the attributes Set outside of the Link, enables modifiable places to more easily change the attributes Set data for a particular Link.

See Also:

Serialized Form

Constructor Summary

LinkItem(Link link, java.util.Set attributes)
Constructs a LinkItem with passed Link and attributes Set.

Method Summary

boolean	equals(java.lang.Object o) Compares the specified Object with this LinkItem for equality.
java.util.Set	getAttributes() Returns the attributes Set object that's stored in this LinkItem.
Link	getLink() Returns the Link object that's stored in this LinkItem.
int	hashCode() Returns the hash code value for this LinkItem.

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkItem

public LinkItem(Link link,
                java.util.Set attributes)

Constructs a LinkItem with passed Link and attributes Set.

Parameters:

link - The Link to hold in this LinkItem

attributes - The attributes Set to hold in this LinkItem

Throws:

NullPointerException - if either of the link or attributes references passed to this constructor are null

Method Detail

getLink

public Link getLink()

Returns the Link object that's stored in this LinkItem.

Returns:

the Link held in this LinkItem

getAttributes

public java.util.Set getAttributes()

Returns the attributes Set object that's stored in this LinkItem. The attributes Set provides information, suitable for display to users, about the linked-to service. The attributes Set can also be used by search engine spiders (or their equivalent) in collecting information about this service for indexing in their databases.

Returns:

the attributes Set held in this LinkItem

equals

public boolean equals(java.lang.Object o)

Compares the specified Object with this LinkItem for equality. Two LinkItems are semantically equal if their Links are semantically equal and their attributes Sets are semantically equal. If the passed object reference is null, this method returns false.

Overrides:

equals in class java.lang.Object

Returns:

true if this object is semantically equal to the passed object

hashCode

public int hashCode()

Returns the hash code value for this LinkItem. The hashcode for a LinkItem is the exclusive OR of the hashcodes for the LinkItem's constituent Link and attributes Set.

Overrides:

hashCode in class java.lang.Object

Returns:

the hash code for this object