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

Class TupleSelfSQLValue<A extends DataObject,AF extends DataObjectFactory<A>,T extends TupleFactory.Tuple<A>>

java.lang.Object

uk.ac.ed.epcc.webapp.model.data.AbstractSelfSQLValue<A,T>

uk.ac.ed.epcc.webapp.model.data.TupleSelfSQLValue<A,AF,T>

Type Parameters:

A -

T -

All Implemented Interfaces:

Accessor<IndexedReference,T>, FilterProvider<T,IndexedReference>, GroupingSQLValue<IndexedReference>, IndexedSQLValue<T,A>, SQLAccessor<IndexedReference,T>, SQLValue<IndexedReference>, Targetted<IndexedReference>

public class TupleSelfSQLValue<A extends DataObject,AF extends DataObjectFactory<A>,T extends TupleFactory.Tuple<A>>
extends AbstractSelfSQLValue<A,T>

A SQLValue to reference a component of a TupleFactory.Tuple

Constructor Summary

Constructors

Constructor and Description
TupleSelfSQLValue(TupleFactory<A,AF,T> tuple_fac, AF fac)

Method Summary

Modifier and Type	Method and Description
java.lang.Class<T>	getFilterType() get the type bounds on the produced SQLFilter.
SQLFilter<T>	getSQLFilter(SQLFilter<A> fil) Create a filter for the home table out of a a filter on the target object.
IndexedReference<A>	getValue(T r) get the value from the target object

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

add, canSet, getFactory, getFilter, getIDExpression, getNullFilter, getOrderFilter, getParameters, getRequiredFilter, getTarget, groupingIsomorphic, makeObject, makeReference, setValue, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface uk.ac.ed.epcc.webapp.jdbc.expr.GroupingSQLValue

addGroup, checkContentsCanGroup, getGroupParameters

Constructor Detail

TupleSelfSQLValue

public TupleSelfSQLValue(TupleFactory<A,AF,T> tuple_fac,
                         AF fac)

Parameters:

fac -

Method Detail

getValue

public IndexedReference<A> getValue(T r)

Description copied from interface: Accessor

get the value from the target object

Parameters:

r - target object

Returns:

value

getFilterType

public java.lang.Class<T> getFilterType()

Description copied from interface: FilterProvider

get the type bounds on the produced SQLFilter.

Returns:

Class

getSQLFilter

public SQLFilter<T> getSQLFilter(SQLFilter<A> fil)
                          throws CannotFilterException

Description copied from interface: IndexedSQLValue

Create a filter for the home table out of a a filter on the target object. This adds any necessary join filters. If fil is null it only returns the necessary join filter.

Returns:

SQLFilter

Throws:

CannotFilterException