knockout.js - Creating multiple 'null' breeze entities and querying for only those entities -

ok asked way , have not yet seen response trying simplify question -

i want create multiple entities , leave them in 'added' entitystate breeze. want return objects , have them bound parent through navigation property.

var createentities = function (parent) {     manager.createentity('child', {parentid = parent.id()}); }; 

and query parent , return created entities add view -

var getthosedamnedentities = function (parentobservable) {         var query = entityquery.from('parents')             .where('id', '==', parentobservable.id())             .expand('child');          return manager.executequery(query)             .then(querysucceeded)             .fail(queryfailed);          function querysucceeded(data) {             if (parentobservable) {                 parentobservable(data.results);             }             log('retrieved [parent] remote data source',                 data, true);         } }; 

but want filter child results entitystate.added return new entities have not yet been saved can modified before saving. suggestions?

to expound on - query entity type directly (ie. query = entityquery.from('child').where()) , use constructor have ko.computed property 'added' entities still can't figure out how query , bind them parent object through navigation propertys (sorry if screwed terminology there : ) )

assuming i've understood question, have several approaches can take this.

first, should querying entitymanager's local cache, because place "added" entities found. not yet have been saved, ( hence still marked 'added'). can executing inverse of query listed above against local cache only.( i'm guessing entity type , property names here)

var query = entityquery.from('children')         .where('parent_id', '==', parentobservable.id())         .using(fetchstrategy.fromlocalcache).then(...) 

which return promise, or can same thing synchonously with

var query = entityquery.from('children')         .where('parent_id', '==', parentobservable.id()) ; var localchildren = myentitymanager.executequerylocally(query); 

this return every entity, in local cache, matches filter, if want 'added' ones, need further filter 'localparents', i.e.

var addedlocalchildren = localchildren.filter(function(p) {    return p.entityaspect.entitystate.isadded(); }) 

the other approach, might simpler based on idea if have linked parent entities children via foreign key, entities in entitymanager cache have navigation properties resolved. means can do:

var children = parentobservable().child;  // 'children' might better name prop var addedlocalchildren = children.filter(function(p) {    return p.entityaspect.entitystate.isadded(); }) 

hope makes sense.