CCS-30 SP-488 : Improved management and refreshing of cached data.

SVN: 28314

openbis-ipad/BisKit/Classes/CISDOBIpadEntity.h

@@ -65,6 +65,9 @@
 - (void)initializeFromRawEntity:(CISDOBIpadRawEntity *)rawEntity;
 - (void)updateFromRawEntity:(CISDOBIpadRawEntity *)rawEntity;
 
+//! There can be multiple instances of the same object. CoreData keeps the persistent information consistent, but the locally cached information can become inconsistent. Call this to update the cached information.
+- (void)refreshCachedInformation;
+
 @end
 
 

openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m

@@ -167,4 +167,15 @@ id ObjectFromJsonData(NSString *jsonDataString, NSError **error)
     }
 }
 
+- (void)refreshCachedInformation
+{
+    [self willChangeValueForKey: @"childrenPermIds"];
+    [self setPrimitiveValue: nil forKey: @"childrenPermIds"];
+    [self didChangeValueForKey: @"childrenPermIds"];
+    
+    [self willChangeValueForKey: @"properties"];
+    [self setPrimitiveValue: nil forKey: @"properties"];
+    [self didChangeValueForKey: @"properties"];    
+}
+
 @end

openbis-ipad/ipad-example-data/ipad-ui/1/dss/reporting-plugins/ipad-read-service-v1/ipad_read.py

@@ -3,6 +3,8 @@ from ch.systemsx.cisd.openbis.generic.shared.basic.dto import MaterialIdentifier
 from com.fasterxml.jackson.databind import ObjectMapper 
 from ch.systemsx.cisd.openbis.generic.shared.api.v1.dto import SearchCriteria, SearchSubCriteria
 
+from datetime import datetime
+
 #
 # BEGIN Infrastructure
 #
@@ -305,7 +307,7 @@ def sample_to_dict(five_ht_sample, material_by_perm_id, data_sets, sample_type_p
 	prop_names = set(["DESC"])
 	property_definitions = sample_type_properties_definitions.get(five_ht_sample.getSampleType(), [])
 	properties = properties_for_entity(five_ht_sample, property_definitions, prop_names)
-
+	properties.append({'key' : 'TIMESTAMP', 'label' : 'Timestamp', 'value' : datetime.today().strftime('%Y-%m-%d %H:%M:%S')})
 	sample_dict['PROPERTIES'] = json_encoded_value(properties)
 	sample_dict['ROOT_LEVEL'] = None
 	# Need to handle the material links as entity links: "TARGET", "COMPOUND"

openbis-ipad/openBIS/openBIS/CISDOBOpenBisModel.m

@@ -163,6 +163,7 @@
     SuccessBlock localSuccess = success;
     call.success = ^(id result) {
         // Update the UI
+        [_selectedObject refreshCachedInformation];
         localSuccess(_selectedObject);
     };
     [call start];
@@ -172,10 +173,11 @@
 - (void)syncSelectedObjectForNavigationOnSuccess:(SuccessBlock)success
 {
     // Call the server to get the children.
-    CISDOBAsyncCall *call = [self.serviceManager imagesForEntity: _selectedObject];
+    CISDOBAsyncCall *call = [self.serviceManager drillOnEntity: _selectedObject];
     // Assign this to a local var to get the compiler to copy it
     SuccessBlock localSuccess = success;
     call.success = ^(id result) {
+        [_selectedObject refreshCachedInformation];
         localSuccess(_selectedObject);
     };
     [call start];
@@ -234,7 +236,7 @@
     
     [self applyStandardSortDescriptorsToFetchRequest: fetchRequest];
     
-    NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest: fetchRequest managedObjectContext: self.managedObjectContext sectionNameKeyPath: @"category" cacheName: _parentModel.selectedObject.permId];
+    NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest: fetchRequest managedObjectContext: self.managedObjectContext sectionNameKeyPath: @"category" cacheName: nil];
     aFetchedResultsController.delegate = self;
     self.fetchedResultsController = aFetchedResultsController;