org.appdapter.api.registry

Interface SimpleRegistry

All Superinterfaces:

Registry

All Known Subinterfaces:

VerySimpleRegistry

All Known Implementing Classes:

BasicRegistry, FacadeRegistry

public interface SimpleRegistry
extends Registry

Additional Registry methods which simply ther process of looking for a single matching object, or all matching objects, for clients who do not wish to work directly with Finders and Receivers.

Author:

Stu B.

Method Summary

Methods

Modifier and Type	Method and Description
<OT> List<OT>	findAllMatches(Class<OT> objClaz, Pattern p, int minAllowed, int maxAllowed)
<OT> OT	findOptionalFirstMatch(Class<OT> objClaz, Pattern p)
<OT> OT	findOptionalUniqueMatch(Class<OT> objClaz, Pattern p)
<OT> OT	findRequiredUniqueMatch(Class<OT> objClaz, Pattern p)

Methods inherited from interface org.appdapter.api.registry.Registry

getFinder, registerObject

Method Detail

findOptionalFirstMatch

<OT> OT findOptionalFirstMatch(Class<OT> objClaz,
                             Pattern p)

Returns:

any match found or null, with no uniqueness constraints, no problem mon.

findRequiredUniqueMatch

<OT> OT findRequiredUniqueMatch(Class<OT> objClaz,
                              Pattern p)
                           throws Exception

Returns:

exactly one unique match or exception is thrown

Throws:

Exception

findOptionalUniqueMatch

<OT> OT findOptionalUniqueMatch(Class<OT> objClaz,
                              Pattern p)
                           throws Exception

Returns:

null if nothing, or single unique match, but throws on multi-match

Throws:

Exception

findAllMatches

<OT> List<OT> findAllMatches(Class<OT> objClaz,
                           Pattern p,
                           int minAllowed,
                           int maxAllowed)
                        throws Exception

Returns:

all matches, but throws if result size would be outside of inclusive-bounds [minAllowed, maxAllowed]

Throws:

Exception