org.aopalliance.reflect
Interface ProgramUnit
- Class, Field, Member, Method
public interface ProgramUnit
An abstract program unit.
Any structural unit of a base program (class, member,
...). Units exclude the code.
When referencing a program unit, the client can retrieve unit
locators using
getLocator()
or more specific methods. This
locators shall be used conjointly whith an
Instrumentor
implementation in order to
perform aspetual transformations of the program (e.g. type merging,
parameters adding,...).
Program units also supports metadatas, i.e. the ability to add
extra information on the base program so that the client can
extends its meaning very easily.
addMetadata
public void addMetadata(Metadata metadata)
Associates a metadata to the current unit.
If a metadata already exists with the same key, then its
value is replaced by the newly given one.
getLocator
public UnitLocator getLocator()
Returns the locator that corresponds to this unit.
getMetadata
public Metadata getMetadata(Object key)
Returns the metadata that is associated to this unit from its
key.
getMetadatas
public Metadata[] getMetadatas()
Returns all the metadatas that are associated to the current
unit.
removeMetadata
public void removeMetadata(Object key)
Removes a metadata from its key.
If none metadata having the given key exists, then this method
has no effect.