uk.ac.ed.epcc.webapp.model.data.reference

Class LazyIndexProducer<A extends Indexed,F extends IndexedProducer<A>>

java.lang.Object

uk.ac.ed.epcc.webapp.AbstractContexed

uk.ac.ed.epcc.webapp.LazyObjectCreator<F>

uk.ac.ed.epcc.webapp.model.data.convert.LazyTypeConverter<A,java.lang.Number,F>

uk.ac.ed.epcc.webapp.model.data.reference.LazyIndexProducer<A,F>

All Implemented Interfaces:

Contexed, TypeConverter<A,java.lang.Number>, IndexedProducer<A>, Targetted<A>

Direct Known Subclasses:

IndexedTypeProducer

public class LazyIndexProducer<A extends Indexed,F extends IndexedProducer<A>>
extends LazyTypeConverter<A,java.lang.Number,F>
implements IndexedProducer<A>

Field Summary

Fields inherited from class uk.ac.ed.epcc.webapp.AbstractContexed

conn

Constructor Summary

Constructors

Constructor and Description
LazyIndexProducer(AppContext c, java.lang.Class<? super F> clazz, java.lang.String tag)
LazyIndexProducer(AppContext c, F result)

Method Summary

Modifier and Type	Method and Description
A	find(int id)
java.lang.String	getID(A obj) Generate the default text identifier of the client object for contexts where the type is unambiguous.
boolean	isMyReference(IndexedReference ref) Test if an IndexedReference belongs to this producer.
IndexedReference<A>	makeReference(A obj) Make a IndexedReference from a target object
IndexedReference<A>	makeReference(int id) Make and IndexedReferencce from an integer id.

Methods inherited from class uk.ac.ed.epcc.webapp.model.data.convert.LazyTypeConverter

find, getIndex, getTarget

Methods inherited from class uk.ac.ed.epcc.webapp.LazyObjectCreator

equals, getInner, getInnerClass, getInnerTag, hashCode

Methods inherited from class uk.ac.ed.epcc.webapp.AbstractContexed

getContext, getLogger, resetLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface uk.ac.ed.epcc.webapp.model.data.reference.IndexedProducer

getTarget

Methods inherited from interface uk.ac.ed.epcc.webapp.model.data.convert.TypeConverter

find, getIndex

Constructor Detail

LazyIndexProducer

public LazyIndexProducer(AppContext c,
                         F result)

LazyIndexProducer

public LazyIndexProducer(AppContext c,
                         java.lang.Class<? super F> clazz,
                         java.lang.String tag)

Method Detail

find

public A find(int id)
       throws DataException

Specified by:

find in interface IndexedProducer<A extends Indexed>

Throws:

DataException

makeReference

public IndexedReference<A> makeReference(A obj)

Description copied from interface: IndexedProducer

Make a IndexedReference from a target object

Specified by:

makeReference in interface IndexedProducer<A extends Indexed>

Returns:

IndexedReference

makeReference

public IndexedReference<A> makeReference(int id)

Description copied from interface: IndexedProducer

Make and IndexedReferencce from an integer id.

Specified by:

makeReference in interface IndexedProducer<A extends Indexed>

Returns:

IndexedReference

isMyReference

public boolean isMyReference(IndexedReference ref)

Description copied from interface: IndexedProducer

Test if an IndexedReference belongs to this producer. This returns false for any null reference.

Specified by:

isMyReference in interface IndexedProducer<A extends Indexed>

Returns:

boolean

getID

public java.lang.String getID(A obj)

Description copied from interface: IndexedProducer

Generate the default text identifier of the client object for contexts where the type is unambiguous. This is used in urls and html inputs. Normally this should generate the String representation of the integer id. if it generates anything else the IndexedProducer should implement ParseFactory to be able to parse the alternative form.

Specified by:

getID in interface IndexedProducer<A extends Indexed>

Returns: