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Inter-facet expiration

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Problem:

When some facet perform action which modifies data, some other facet may become expired.

Example: User modifies group's description. Now group search facet contains old data and has to be refreshed.

Solution:

New event was added to facet: on_update. It should be executed when facet performs action which modifies data ie: details facet update or add entry to dnsrecord.

Then entity policies were introduced. Entity policies are a objects which are stored in entity.policies. They have similar function as facet_policies - performing communications and other functionality between facets. This way facets don't have to contain such logic and thus they aren't dependant on each other.

This patch adds IPA.facet_update_policy, IPA.adder_facet_update_policy, IPA.search_facet_update_policy, IPA.details_facet_update_policy.

IPA.facet_update_policy: On facets_created it bind itself to [current entity].[source facet].[event]. Default event is on_update. When the event is executed it sets expiration flag to [dest entity].[dest facet].

IPA.search_facet_update_policy: IPA.facet_update_policy where source facet = search, dest facet = details, dest entity = current entity. Its a default policy for updatein changes from search facet to details facet. Right now it isn't needed but it will be needed when action lists come to play.

IPA.details_facet_update_policy: same as IPA.search_facet_update_policy just reversed. Very important.

IPA.adder_facet_update_policy: similar functionality, just source of the event is dialog. Default event is added (new event in entity_adder_dialog).

Entity policies should be specified in entity's spec object. If none are specified a default ones are used. Default policies are: IPA.search_facet_update_policy and IPA.details_facet_update_policy.

https://fedorahosted.org/freeipa/ticket/2075
This commit is contained in:
Petr Vobornik
2012-03-22 17:31:48 +01:00
parent bbe672a2ae
commit 18a6ab356a
10 changed files with 204 additions and 0 deletions
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13
install/ui/automember.js
View File

@@ -33,6 +33,19 @@ IPA.automember.entity = function(spec) {
IPA.metadata.objects.automember.takes_params.push(pkey_attr);
IPA.metadata.objects.automember.primary_key = pkey_attr.name;
spec = spec || {};
spec.policies = spec.policies || [
IPA.facet_update_policy({
source_facet: 'usergrouprule',
dest_facet: 'searchgroup'
}),
IPA.facet_update_policy({
source_facet: 'hostgrouprule',
dest_facet: 'searchhostgroup'
})
];
var that = IPA.entity(spec);
that.init = function() {