private static Condition CreateConditionUsingEntity(
CommandProcessorContext cpc, EntityType conceptualEntityType, Property tableColumn, bool?isNull, string conditionValue)
{
// first see if we have a Default ETM
var mappingFragment = ModelHelper.FindMappingFragment(
cpc, conceptualEntityType, tableColumn.EntityType, EntityTypeMappingKind.Default, false);
if (mappingFragment == null)
{
// if we don't have a default, then find or create an IsTypeOf ETM to put this in
mappingFragment = ModelHelper.FindMappingFragment(
cpc, conceptualEntityType, tableColumn.EntityType, EntityTypeMappingKind.IsTypeOf, true);
}
Debug.Assert(mappingFragment != null, "Failed to create the MappingFragment to house this Condition");
if (mappingFragment == null)
{
throw new ParentItemCreationFailureException();
}
// create the condition
var cond = CreateConditionUsingFragment(mappingFragment, tableColumn, isNull, conditionValue);
// see if any conditions need to move now
EnforceEntitySetMappingRules.AddRule(cpc, cond);
return(cond);
}
protected override void PostInvoke(CommandProcessorContext cpc)
{
// in the conceptual model, changing key states will impact MSL generated any
// inferred ref constraints
if (Property.EntityModel.IsCSDL)
{
EnforceEntitySetMappingRules.AddRule(cpc, Property.EntityType);
InferReferentialConstraints.AddRule(cpc, Property.EntityType);
// Add the integrity check to propagate the StoreGeneratedPattern value to the
// S-side (may be altered by property being/not being a key) unless we are part
// of an Update Model txn in which case there is no need as the whole artifact has
// this integrity check applied by UpdateModelFromDatabaseCommand
if (EfiTransactionOriginator.UpdateModelFromDatabaseId != cpc.OriginatorId)
{
var cProp = Property as ConceptualProperty;
Debug.Assert(
cProp != null, "expected _property of type ConceptualProperty, instead got type " + Property.GetType().FullName);
if (cProp != null)
{
PropagateStoreGeneratedPatternToStorageModel.AddRule(cpc, cProp, true);
}
}
}
base.PostInvoke(cpc);
}
protected override void PreInvoke(CommandProcessorContext cpc)
{
// save off the deleted entity type name
SaveDeletedInformation();
EnforceEntitySetMappingRules.AddRule(cpc, EntityTypeMapping.EntitySetMapping);
base.PreInvoke(cpc);
}
private static ScalarProperty CreateScalarPropertyUsingEntity(
CommandProcessorContext cpc, EntityType conceptualEntityType, Property entityProperty, Property tableColumn)
{
// the S-Side entity
var storageEntityType = tableColumn.Parent as EntityType;
Debug.Assert(storageEntityType != null, "tableColumn.Parent should be an EntityType");
// get the fragment to use
var mappingFragment = ModelHelper.FindMappingFragment(cpc, conceptualEntityType, tableColumn.EntityType, true);
Debug.Assert(mappingFragment != null, "Failed to create the MappingFragment to house this ScalarProperty");
if (mappingFragment == null)
{
throw new ParentItemCreationFailureException();
}
// now go do the real work
var sp = CreateScalarPropertyUsingFragment(mappingFragment, entityProperty, tableColumn);
// enforce our mapping rules
EnforceEntitySetMappingRules.AddRule(cpc, sp);
return(sp);
}
protected override void PreInvoke(CommandProcessorContext cpc)
{
if (ScalarProperty.MappingFragment != null)
{
EnforceEntitySetMappingRules.AddRule(cpc, ScalarProperty);
MFConceptualEntityTypeName = ScalarProperty.FirstBoundConceptualEntityType != null
? ScalarProperty.FirstBoundConceptualEntityType.Name.Value
: null;
MFConceptualPropertyName = ScalarProperty.Name.Target != null ? ScalarProperty.Name.Target.Name.Value : null;
MFStorageEntitySetName = ScalarProperty.BoundStorageEntityType != null
? ScalarProperty.BoundStorageEntityType.Name.Value
: null;
MFStorageColumnName = ScalarProperty.ColumnName.Target != null ? ScalarProperty.ColumnName.Target.Name.Value : null;
MFConceptualEntityTypeOwnerName = ScalarProperty.FirstBoundConceptualEntityType != null
? ScalarProperty.FirstBoundConceptualEntityType.Name.Value
: null;
MFComplexParentList =
ScalarProperty.GetParentComplexProperties(true)
.Where(cp => cp.Name.Target != null)
.Select(cp => cp.Name.Target.Name.Value);
}
else if (ScalarProperty.EndProperty != null)
{
var asm = ScalarProperty.EndProperty.Parent as AssociationSetMapping;
Debug.Assert(asm != null, "this.ScalarProperty.EndProperty.Parent should be an AssociationSetMapping");
if (asm != null)
{
EnforceAssociationSetMappingRules.AddRule(cpc, asm);
var assoc = asm.TypeName.Target;
Debug.Assert(assoc != null, "the association set mapping does not have an Association");
if (assoc != null)
{
InferReferentialConstraints.AddRule(cpc, assoc);
}
}
}
// Also add the integrity check to propagate the StoreGeneratedPattern value to the
// S-side (may be altered by property mapping being deleted) unless we are part
// of an Update Model txn in which case there is no need as the whole artifact has
// this integrity check applied by UpdateModelFromDatabaseCommand
if (EfiTransactionOriginator.UpdateModelFromDatabaseId != cpc.OriginatorId &&
ScalarProperty.Name != null &&
ScalarProperty.Name.Target != null)
{
var cProp = ScalarProperty.Name.Target as ConceptualProperty;
Debug.Assert(
cProp != null, "ScalarProperty should have Name target with type " + typeof(ConceptualProperty).Name +
", instead got type " + ScalarProperty.Name.Target.GetType().FullName);
if (cProp != null)
{
PropagateStoreGeneratedPatternToStorageModel.AddRule(cpc, cProp, true);
}
}
base.PreInvoke(cpc);
}
protected override void PostInvoke(CommandProcessorContext cpc)
{
// changing abstractness will impact the MSL generated
if (EntityType != null)
{
EnforceEntitySetMappingRules.AddRule(cpc, EntityType.EntitySet);
}
}
protected override void PreInvoke(CommandProcessorContext cpc)
{
Debug.Assert(_derivedType.BaseType.Target != null, "The derivedType passed does not derive from any type");
SaveDeletedInformation();
base.PreInvoke(cpc);
// register to enforce MSL rules on the existing entity set, which won't include the derived type any more
// after this command completes
EnforceEntitySetMappingRules.AddRule(cpc, _derivedType.EntitySet);
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
// don't do anything if we are trying to set the same thing
if (string.Compare(Condition.ColumnName.RefName, NewStorageProperty.LocalName.Value, StringComparison.CurrentCulture) != 0)
{
Condition.ColumnName.SetRefName(NewStorageProperty);
XmlModelHelper.NormalizeAndResolve(Condition);
EnforceEntitySetMappingRules.AddRule(cpc, Condition);
}
}
protected override void PreInvoke(CommandProcessorContext cpc)
{
if (MappingFragment.EntityTypeMapping != null &&
MappingFragment.EntityTypeMapping.EntitySetMapping != null)
{
ConceptualEntityTypeName = MappingFragment.EntityTypeMapping.FirstBoundConceptualEntityType != null
? MappingFragment.EntityTypeMapping.FirstBoundConceptualEntityType.Name.Value
: null;
StorageEntitySetName = MappingFragment.StoreEntitySet.Target != null
? MappingFragment.StoreEntitySet.Target.Name.Value
: null;
EnforceEntitySetMappingRules.AddRule(cpc, MappingFragment.EntityTypeMapping.EntitySetMapping);
}
base.PreInvoke(cpc);
}
protected override void PostInvoke(CommandProcessorContext cpc)
{
// now that we have a new entity set, make sure that it and any derived types use correct MSL
EnforceEntitySetMappingRules.AddRule(cpc, _derivedType.EntitySet);
// see if this type is used by association ends; since we deleted the inheritance, this entity got
// a new EntitySet so we need to change any EntitySet references for corresponding AssociationSetEnds to the new one
Association association = null;
foreach (var end in _derivedType.GetAntiDependenciesOfType <AssociationEnd>())
{
foreach (var setEnd in end.GetAntiDependenciesOfType <AssociationSetEnd>())
{
setEnd.EntitySet.SetRefName(_derivedType.EntitySet);
XmlModelHelper.NormalizeAndResolve(setEnd);
}
association = end.Parent as Association;
}
// try to recreate the AssociationSetMapping if one exists
if (association != null &&
association.AssociationSet != null &&
association.AssociationSet.AssociationSetMapping != null &&
association.AssociationSet.AssociationSetMapping.XObject != null)
{
// store off the entity set for later
var storeEntitySet = association.AssociationSet.AssociationSetMapping.StoreEntitySet.Target;
// delete it
DeleteEFElementCommand.DeleteInTransaction(cpc, association.AssociationSet.AssociationSetMapping);
// create a new one (if we can)
if (storeEntitySet != null &&
storeEntitySet.EntityType.Target != null)
{
var set = storeEntitySet.EntityType.Target as StorageEntityType;
Debug.Assert(storeEntitySet.EntityType.Target == null || set != null, "EntityType is not StorageEntityType");
CreateAssociationSetMappingCommand.CreateAssociationSetMappingAndIntellimatch(cpc, association, set);
}
}
base.PostInvoke(cpc);
}
/// <summary>
/// We override this method because we need to do some extra things before
/// the normal PreInvoke gets called and our antiDeps are removed
/// </summary>
/// <param name="cpc"></param>
protected override void PreInvoke(CommandProcessorContext cpc)
{
// save off the deleted entity type name
SaveDeletedInformation();
// enforce our mapping rules for C-side entities
if (EntityType.EntityModel.IsCSDL)
{
EnforceEntitySetMappingRules.AddRule(cpc, EntityType);
// remove base type for all derived EntityTypes
var cet = EntityType as ConceptualEntityType;
Debug.Assert(cet != null, "EntityType is not a ConceptualEntityType");
foreach (var derivedType in cet.ResolvableDirectDerivedTypes)
{
var cmd = new DeleteInheritanceCommand(derivedType);
CommandProcessor.InvokeSingleCommand(cpc, cmd);
}
}
base.PreInvoke(cpc);
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
// see if we have the ETM we need, if not create it
if (_entityTypeMapping == null)
{
_entityTypeMapping = ModelHelper.FindEntityTypeMapping(cpc, ConceptualEntityType, _entityTypeMappingKind, true);
}
// make sure it was created
Debug.Assert(_entityTypeMapping != null, "We should have created an EntityTypeMapping if needed, it is still null.");
if (_entityTypeMapping == null)
{
throw new CannotLocateParentItemException();
}
_createdMappingFragment = new MappingFragment(_entityTypeMapping, null);
_createdMappingFragment.StoreEntitySet.SetRefName(StorageEntitySet);
_entityTypeMapping.AddMappingFragment(_createdMappingFragment);
XmlModelHelper.NormalizeAndResolve(_createdMappingFragment);
EnforceEntitySetMappingRules.AddRule(cpc, _entityTypeMapping.EntitySetMapping);
}
protected override void PreInvoke(CommandProcessorContext cpc)
{
var fragment = Condition.MappingFragment;
if (fragment != null)
{
EnforceEntitySetMappingRules.AddRule(cpc, Condition);
}
// Save off the conceptual and storage entity names
var conceptualEntityType = Condition.FirstBoundConceptualEntityType;
var storageEntityType = Condition.BoundStorageEntityType;
if (conceptualEntityType != null &&
storageEntityType != null &&
Condition.ColumnName.Target != null)
{
OriginalConceptualEntityName = conceptualEntityType.Name.Value;
OriginalStorageEntityName = storageEntityType.Name.Value;
OriginalStoragePropertyName = Condition.ColumnName.Target.Name.Value;
}
base.PreInvoke(cpc);
}
protected override void PreInvoke(CommandProcessorContext cpc)
{
base.PreInvoke(cpc);
// you cannot use this command with a type that already has a base class; throwing here
// because its not a good idea to throw an exception in a c'tor
if (EntityToBeDerived == null ||
EntityToBeDerived.BaseType.Target != null)
{
throw new InvalidOperationException();
}
EnforceEntitySetMappingRules.AddRule(cpc, BaseType.EntitySet);
// see if this type is used by association ends; since we are creating an inheritance
// we need to change any AssociationSetEnd references from the current EntitySet to the
// new baseType's EntitySet (the derived type's EntitySet will be deleted)
var associationsToUpdate = new HashSet <Association>();
if (EntityToBeDerived.EntitySet != null)
{
var associationSetEndsToUpdate = EntityToBeDerived.EntitySet.GetAntiDependenciesOfType <AssociationSetEnd>();
foreach (var setEnd in associationSetEndsToUpdate)
{
setEnd.EntitySet.SetRefName(BaseType.EntitySet);
XmlModelHelper.NormalizeAndResolve(setEnd);
var aSet = setEnd.Parent as AssociationSet;
if (aSet != null)
{
if (aSet.Association.Target != null)
{
associationsToUpdate.Add(aSet.Association.Target);
}
}
}
}
foreach (var association in associationsToUpdate)
{
// try to recreate the AssociationSetMapping if one exists
if (association != null &&
association.AssociationSet != null &&
association.AssociationSet.AssociationSetMapping != null &&
association.AssociationSet.AssociationSetMapping.XObject != null)
{
// store off the entity set for later
var storeEntitySet = association.AssociationSet.AssociationSetMapping.StoreEntitySet.Target;
// delete it
DeleteEFElementCommand.DeleteInTransaction(cpc, association.AssociationSet.AssociationSetMapping);
// create a new one (if we can)
if (storeEntitySet != null &&
storeEntitySet.EntityType.Target != null)
{
var set = storeEntitySet.EntityType.Target as StorageEntityType;
Debug.Assert(set != null, "EntityType is not StorageEntityType");
CreateAssociationSetMappingCommand.CreateAssociationSetMappingAndIntellimatch(cpc, association, set);
}
}
}
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
var service = cpc.EditingContext.GetEFArtifactService();
var artifact = service.Artifact;
Debug.Assert(artifact != null, "Null Artifact");
if (null == artifact)
{
return;
}
// construct a mapping of the existing model's C-side objects
// and their S-side identities before anything is updated
var existingModel = new ExistingModelSummary(artifact);
// replace the old SSDL with the new and fixup any references
// in the MSL that broke because of the replacement of the SSDL
// (i.e. the S-side Alias and S-side EntityContainer name)
var replaceSsdlCommand = new ReplaceSsdlCommand(_newArtifactFromDB.StorageModel());
CommandProcessor.InvokeSingleCommand(cpc, replaceSsdlCommand);
// remove any mappings with references which no longer work
// with the new SSDL
var deleteUnboundMappingsCommand = new DeleteUnboundMappingsCommand();
CommandProcessor.InvokeSingleCommand(cpc, deleteUnboundMappingsCommand);
// remove any mappings which should no longer be mapped with the new SSDL
// but actually are because a new S-side object with identical name
// but different identity has been added
var deleteChangedIdentityMappingsCommand = new DeleteChangedIdentityMappingsCommand(existingModel);
CommandProcessor.InvokeSingleCommand(cpc, deleteChangedIdentityMappingsCommand);
// from the temp model for the updated database determine which
// C-side objects need to be added/updated and then update the
// C- and M- side models appropriately
var modelFromUpdatedDatabase = new UpdatedModelSummary(_newArtifactFromDB);
var updateCsdlAndMslCommand =
new UpdateConceptualAndMappingModelsCommand(existingModel, modelFromUpdatedDatabase);
CommandProcessor.InvokeSingleCommand(cpc, updateCsdlAndMslCommand);
// fix up Function Import parameters and add integrity checks
if (artifact.MappingModel() != null &&
artifact.MappingModel().FirstEntityContainerMapping != null)
{
// Function Import parameters are now out-of-date compared to the updated Function ones.
// We need to update them as otherwise there is no way to do so using Escher.
foreach (var fim in artifact.MappingModel().FirstEntityContainerMapping.FunctionImportMappings())
{
if (null != fim.FunctionImportName &&
null != fim.FunctionImportName.Target &&
null != fim.FunctionName &&
null != fim.FunctionName.Target)
{
CreateFunctionImportCommand.UpdateFunctionImportParameters(
cpc, fim.FunctionImportName.Target, fim.FunctionName.Target);
}
}
// Add integrity checks to enforce mapping rules
foreach (var esm in artifact.MappingModel().FirstEntityContainerMapping.EntitySetMappings())
{
EnforceEntitySetMappingRules.AddRule(cpc, esm);
}
// add the integrity check to propagate all appropriate StoreGeneratedPattern values to the S-side
// Note: should not propagate "None"/defaulted values to prevent those C-side values overwriting
// correctly updated S-side StoreGeneratedPattern values which were just received from the runtime
PropagateStoreGeneratedPatternToStorageModel.AddRule(cpc, artifact, false);
// Add integrity check to enforce synchronizing C-side Property facets to S-side values
var shouldSynchronizePropertyFacets = ModelHelper.GetDesignerPropertyValueFromArtifactAsBool(
OptionsDesignerInfo.ElementName,
OptionsDesignerInfo.AttributeSynchronizePropertyFacets, OptionsDesignerInfo.SynchronizePropertyFacetsDefault(artifact),
artifact);
if (shouldSynchronizePropertyFacets)
{
PropagateStoragePropertyFacetsToConceptualModel.AddRule(cpc, artifact);
}
}
}
