org.openrdf.model.impl

Class BNodeImpl

java.lang.Object

org.openrdf.model.impl.BNodeImpl

All Implemented Interfaces:

Serializable, BNode, Resource, Value

public class BNodeImpl
extends Object
implements BNode

An implementation of the BNode interface.

Author:

Arjohn Kampman

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BNodeImpl() Creates a new, unitialized blank node.
	BNodeImpl(String id) Creates a new blank node with the supplied identifier.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o) Compares a blank node object to another object.
String	getID() retrieves this blank node's identifier.
int	hashCode() The hash code of a blank node is defined as the hash code of its identifier: id.hashCode().
protected void	setID(String id)
String	stringValue() Returns the String-value of a Value object.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BNodeImpl

protected BNodeImpl()

Creates a new, unitialized blank node. This blank node's ID needs to be set before the normal methods can be used.

BNodeImpl

public BNodeImpl(String id)

Creates a new blank node with the supplied identifier.

Parameters:

id - The identifier for this blank node, must not be null.

Method Detail

getID

public String getID()

Description copied from interface: BNode

retrieves this blank node's identifier.

Specified by:

getID in interface BNode

Returns:

A blank node identifier.

setID

protected void setID(String id)

stringValue

public String stringValue()

Description copied from interface: Value

Returns the String-value of a Value object. This returns either a Literal's label, a URI's URI or a BNode's ID.

Specified by:

stringValue in interface Value

equals

public boolean equals(Object o)

Description copied from interface: BNode

Compares a blank node object to another object.

Specified by:

equals in interface BNode

Overrides:

equals in class Object

Parameters:

o - The object to compare this blank node to.

Returns:

true if the other object is an instance of BNode and their IDs are equal, false otherwise.

hashCode

public int hashCode()

Description copied from interface: BNode

The hash code of a blank node is defined as the hash code of its identifier: id.hashCode().

Specified by:

hashCode in interface BNode

Overrides:

hashCode in class Object

Returns:

A hash code for the blank node.

toString

public String toString()

Overrides:

toString in class Object