Grouper Users - Open Discussion List

["Gettes, Michael" <>]

Thanks Carey.  As you noted, always returns zero - and that’s what I am 
seeing.  I am using TIER docker images and I am still on api patch 108.  
getEffective is what I am really interested in having work properly against 
composites.  I know you know that I understand grouper and the memberships - 
thanks for setting the stage so others might appreciate what is being done.  
Yes, I have read the code about effectiveMemberships and that’s exactly why I 
was trying to use it.  Seems like a bug???

And Carl - thank you as well for your assistance.  I will make use of 
getMembers for now but I need to see if it has the semantics related to 
effectiveMemberships I am seeking.

/mrg

> On Aug 23, 2018, at 12:49 PM, Black, Carey M. 
> <>
>  wrote:
> 
> Michael,
> 
> Composites don’t have "Direct/Immediate members". They have a "left and 
> right factor groups" that determine the membership.
> 
> REF: 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__spaces.at.internet2.edu_display_Grouper_Glossary&d=DwIGaQ&c=pZJPUDQ3SB9JplYbifm4nt2lEVG5pWx2KikqINpWlZM&r=EUBHI54mtQDlbcqo5rUTdQ&m=HmCxd5SVe4caJxO2xzgfKe1A-X8mEQTXoAG3Q_GqZ5c&s=P6hZPO8CEFVKw-FY0KkDkdunRlDKGLtEk_ak1hjqe30&e=
> ( a bit out of order from the page, but intended to build on the terms in a 
> "good" order for this question. )
> 
> Terms are defined as this in Grouper:
> 
> Composite Group
>       A Group whose Membership is determined by combining the membership 
> lists of two other groups, without listing its members explicitly. These 
> two groups are called its Factor Groups. Three methods of combining the 
> factor groups' memberships are supported:
> 
> Direct Membership
>       A Subject that is listed in the Membership list of a Group has a 
> direct membership in the group. Also see Indirect Membership.
> 
> Indirect Membership
>       A Subject that is a member of a Subgroup of a Group, or a member of a 
> Factor Group that contributes positively to a group's membership, has an 
> indirect membership in the group. Also see Direct Membership.
> 
> 
> ( And now the "kicker....)
> 
> Membership
>       The direct-only, indirect-only, or direct plus indirect members of a 
> Group. A specific variety of membership is determined by context or 
> configuration, i.e., the default User Interface allows the user to select 
> among these three types of membership where appropriate.
> So... "Membership"  is the "super set" and the other sub-types of 
> memberships have more focus/specific definitions.
> 
> 
> 
> Now to the GSH/grouper api....
> 
> 
> A working example...
> I created 3 groups.
>       myList
>       myRemoveList
>       myComposite ( which is:  myList minus myRemoveList )
> 
> then in GSH...
> 
> rsess = GrouperSession.startRootSession();  // start with all system level 
> access  [ NOTE: this could also be a headache for seeing memberships too... 
> ]
> 
> g = GroupFinder.findByName(rsess, "users:folders:black.123:myComposite", 
> true);
> g.getImmediateMemberships()  // returns and empty list []
> g.getImmediateMemberships().size() // returns the count of Immediate 
> members in the composite = 0  ( Expected )
> g.getNonImmediateMembers() // returns the list of subjects as expected.
> 
> // here is the kicker again...
> g.getMemberships().size() // returns count of users and groups from the 
> group math ( zero or 1 form my testing.)
> 
> // but this looks odd... ( bug? )
> g.getEffectiveMemberships().size()  // ALWAYS returns zero... hum..(?? not 
> expected??)  
> g.getEffectiveMemberships() // ALWAYS returns empty list... hum..(?? not 
> expected??)  
>       ALSO NOTE: "Effective Membership" is not in the Grouper Glossary. :( 
> 
> However... looking at the code...
> 
> grouper.edu.internet2.middleware.grouper.Group. getEffectiveMembers()
> /**
>   * Get effective members of this group.
>   * 
>   * An effective member has an indirect membership to a group
>   * (e.g. in a group within a group).  All subjects in a
>   * composite group are effective members (since the composite
>   * group has two groups and a set operator and no other immediate
>   * members).  Note that a member can have 0 to 1 immediate memberships
>   * to a single group, and 0 to many effective memberships to a group.
>   * 'group within a group' can be nested to any level so long as it does 
>   * not become circular.  A group can have potentially unlimited effective 
>   * memberships
> ....
> */    
> 
> 
> NOTE: my test env is currently patched like this:
> api patches installed:        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 
> 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 
> 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 
> 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 
> 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 
> 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 
> 107, 108, 109
> 
> Hope that helps...
> 
> -- 
> Carey Matthew 
> 
> 
> 
> -----Original Message-----
> From: 
> 
>  
> <>
>  On Behalf Of Carl Waldbieser
> Sent: Thursday, August 23, 2018 11:36 AM
> To: Michael Gettes 
> <>
> Cc: grouper-users 
> <>
> Subject: Re: [grouper-users] getImmediateMemberships().size()
> 
> Michael,
> 
> The scripting language is just syntactic flavor.  They are all using the 
> same Grouper API.
> `g.members` is the `members` property of the group instance.  It may 
> literally be `Group.getMembers()` but most scripting languages will allow 
> you to use either the method or property form.
> You should still be able to call `.size()` on it.  The important bit is 
> that it is `members` rather than `effectiveMembers` or `immediateMembers`.
> 
> Thanks,
> Carl
> 
> ----- Original Message -----
> From: "Michael Gettes" 
> <>
> To: "waldbiec" 
> <>
> Cc: "grouper-users" 
> <>
> Sent: Thursday, 23 August, 2018 11:31:40
> Subject: Re: [grouper-users] getImmediateMemberships().size()
> 
> Thanks Carl - this isn’t python - grouper shell and groovy.  Is it still 
> g.members and someway of getting the count?
> 
> /mrg
> 
>> On Aug 23, 2018, at 11:27 AM, Carl Waldbieser 
>> <>
>>  wrote:
>> 
>> Michael,
>> 
>> Where `g` is a composite group, from the Python shell wrapper:
>> 
>>>>> x = g.members
>>>>> type(x)
>>   <type 'java.util.LinkedHashSet'>
>>>>> len(x)
>>   22
>>>>> 
>> 
>> Thanks,
>> Carl Waldbieser
>> ITS Identity Management
>> Lafayette College
>> 
>> ----- Original Message -----
>> From: "Michael Gettes" 
>> <>
>> To: "grouper-users" 
>> <>
>> Sent: Thursday, 23 August, 2018 11:01:31
>> Subject: [grouper-users] getImmediateMemberships().size()
>> 
>> I am calling getImmediateMemberships().size() and 
>> getEffectiveMemberships().size() on a composite and both are returning 
>> zero.
>> 
>> Doing this from grouper groovy shell.
>> 
>> Advice?
>> 
>> /mrg