uk.ac.ed.epcc.webapp.content

Class IdLabeller<X extends Indexed>

java.lang.Object

uk.ac.ed.epcc.webapp.content.IdLabeller<X>

All Implemented Interfaces:

Labeller<IndexedReference<X>,java.lang.Integer>, Targetted<java.lang.Integer>

public class IdLabeller<X extends Indexed>
extends java.lang.Object
implements Labeller<IndexedReference<X>,java.lang.Integer>

Label with the raw-ids

Constructor Summary

Constructors

Constructor and Description
IdLabeller()

Method Summary

Modifier and Type	Method and Description
boolean	accepts(java.lang.Object o) run-time type-check if this labeller can handle an object as input
java.lang.Integer	getLabel(AppContext conn, IndexedReference<X> key) generate the label.
java.lang.Class<java.lang.Integer>	getTarget() Get the type of the returned object as far as it is known.

Methods inherited from class java.lang.Object

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

Constructor Detail

IdLabeller

public IdLabeller()

Method Detail

getTarget

public java.lang.Class<java.lang.Integer> getTarget()

Description copied from interface: Targetted

Get the type of the returned object as far as it is known. Normally this should be the erasure type corresponding to T.

Specified by:

getTarget in interface Targetted<java.lang.Integer>

Returns:

Class object for return type

getLabel

public java.lang.Integer getLabel(AppContext conn,
                                  IndexedReference<X> key)

Description copied from interface: Labeller

generate the label. Normally this just returns a String but if a non-string object is returned then the toString method is used to generate the label. This is to allow labels with a different sort-order from their string representation

Specified by:

getLabel in interface Labeller<IndexedReference<X extends Indexed>,java.lang.Integer>

Parameters:

conn - AppContext

key - value to be labelled

Returns:

label object.

accepts

public boolean accepts(java.lang.Object o)

Description copied from interface: Labeller

run-time type-check if this labeller can handle an object as input

Specified by:

accepts in interface Labeller<IndexedReference<X extends Indexed>,java.lang.Integer>

Returns:

boolean