There is no single index across all views. Eddie
On Tue, Aug 14, 2012 at 12:36 PM, Shahim Essaid <[email protected]> wrote: > Yes, the idea of a global view is probably the best option. I > initially thought that the > getIndexRepository().getAllIndexedFS(SomeType) would allow me to > access type instances independent of views (from the heaps you > referred to) but that didn't work. > > Is there any public API access for getting an iterator over instances > of a type directly from the heaps regardless of the current view? It > seems that this type of access could be useful since a CAS is supposed > to have something in common across the different views and it wouldn't > be too inappropriate to allow for view independent type instances when > needed. > > Shahim > > > On Tue, Aug 14, 2012 at 6:53 AM, Eddie Epstein <[email protected]> wrote: >> A View, basically, is just an index and a sofa. All FS are stored >> in the common CAS "heaps". >> >> The only mechanism for passing results from annotator-a to >> annotator-b is by adding FS to an index. Annotators can >> be view-unaware, in which case sofa-mapping is setup >> to pass the correct View to the annotator. Or annotators can >> be view-aware and they must have logic to know which views >> to look for. >> >> Given that views are application specific, an app can create >> a "global" view to index stuff. >> >> Eddie >> >> On Mon, Aug 13, 2012 at 4:08 PM, Shahim Essaid <[email protected]> wrote: >>> Thank you Eddie. So I can index a non-AnnotationBase FS in any view >>> but the indexes are still view specific, correct? >>> >>> If "annotator-a" in view "view-a" creates a FS and there is a down >>> stream "annotator-b" that operates in "view-b" and it needs to check >>> for the existence of the same FS, how should "annotator-a" store it >>> and how should "annotator-b" find it without them being aware of each >>> others' views and indexes? Is there a global place (global index?) to >>> store FS objects in a CAS if the indexes are view specific? >>> >>> Thanks, >>> Shahim >>> >>> >>> >>> On Mon, Aug 13, 2012 at 12:07 PM, Eddie Epstein <[email protected]> wrote: >>>> Hi, >>>> >>>> All feature structures in a CAS are accessible from any view. >>>> That is, an FS-reference can be to any FS in the CAS. >>>> The only restriction is that an annotation FS can only be indexed >>>> in the view containing the sofa referenced by the annotation. >>>> >>>> An FS type that is not derived from any annotation type >>>> can be indexed in multiple views. So a "global graph" type >>>> could be indexed in every view. >>>> >>>> Not sure which aspect of your question this answers, hopefully >>>> something :) >>>> >>>> Eddie >>>> >>>> On Mon, Aug 13, 2012 at 1:59 PM, Shahim Essaid <[email protected]> wrote: >>>>> Hi All, >>>>> >>>>> Is there a way for creating a single arbitrary object graph (of >>>>> subtypes of Top) that is accessible from various CAS views? I have a >>>>> possible use-case where I would like to reconstruct the "domain, >>>>> world, situation, etc." that the various sofas are about. In this >>>>> use-case, I would add annotations to specific sofas and indexes as >>>>> usual but I would also like to add objects to this single shared >>>>> object graph and relate the annotations and object to each other. >>>>> >>>>> I have not tried this yet but it might be possible to add an "IsAbout" >>>>> annotation that spans the whole sofa and one of its features is a >>>>> "situation" feature to a "Situation" object and then make sure that >>>>> this situation object is also referred to from any newly created sofas >>>>> and their corresponding "IsAbout" annotations. Would this work? Is >>>>> there a better way for accomplishing this? >>>>> >>>>> Thank you, >>>>> Shahim
