// Walks through all parameter bindings in the function mapping and binds the parameters to the
// requested properties of the given state entry.
private static void BindFunctionParameters(
UpdateTranslator translator, ExtractedStateEntry stateEntry, ModificationFunctionMapping functionMapping,
FunctionUpdateCommand command, Dictionary<AssociationEndMember, IEntityStateEntry> currentReferenceEnds,
Dictionary<AssociationEndMember, IEntityStateEntry> originalReferenceEnds)
{
// bind all parameters
foreach (var parameterBinding in functionMapping.ParameterBindings)
{
PropagatorResult result;
// extract value
if (null != parameterBinding.MemberPath.AssociationSetEnd)
{
// find the relationship entry corresponding to the navigation
var endMember = parameterBinding.MemberPath.AssociationSetEnd.CorrespondingAssociationEndMember;
IEntityStateEntry relationshipEntry;
var hasTarget = parameterBinding.IsCurrent
? currentReferenceEnds.TryGetValue(endMember, out relationshipEntry)
: originalReferenceEnds.TryGetValue(endMember, out relationshipEntry);
if (!hasTarget)
{
if (endMember.RelationshipMultiplicity
== RelationshipMultiplicity.One)
{
var entitySetName = stateEntry.Source.EntitySet.Name;
var associationSetName = parameterBinding.MemberPath.AssociationSetEnd.ParentAssociationSet.Name;
throw new UpdateException(
Strings.Update_MissingRequiredRelationshipValue(entitySetName, associationSetName), null,
command.GetStateEntries(translator).Cast<ObjectStateEntry>().Distinct());
}
else
{
result = PropagatorResult.CreateSimpleValue(PropagatorFlags.NoFlags, null);
}
}
else
{
// get the actual value
var relationshipResult = parameterBinding.IsCurrent
? translator.RecordConverter.ConvertCurrentValuesToPropagatorResult(
relationshipEntry, ModifiedPropertiesBehavior.AllModified)
: translator.RecordConverter.ConvertOriginalValuesToPropagatorResult(
relationshipEntry, ModifiedPropertiesBehavior.AllModified);
var endResult = relationshipResult.GetMemberValue(endMember);
var keyProperty = (EdmProperty)parameterBinding.MemberPath.Members[0];
result = endResult.GetMemberValue(keyProperty);
}
}
else
{
// walk through the member path to find the appropriate propagator results
result = parameterBinding.IsCurrent ? stateEntry.Current : stateEntry.Original;
for (var i = parameterBinding.MemberPath.Members.Count; i > 0;)
{
--i;
var member = parameterBinding.MemberPath.Members[i];
result = result.GetMemberValue(member);
}
}
// create DbParameter
command.SetParameterValue(result, parameterBinding, translator);
}
// Add rows affected parameter
command.RegisterRowsAffectedParameter(functionMapping.RowsAffectedParameter);
}
// Walks through all parameter bindings in the function mapping and binds the parameters to the
// requested properties of the given state entry.
private static void BindFunctionParameters(
UpdateTranslator translator, ExtractedStateEntry stateEntry, ModificationFunctionMapping functionMapping,
FunctionUpdateCommand command, Dictionary <AssociationEndMember, IEntityStateEntry> currentReferenceEnds,
Dictionary <AssociationEndMember, IEntityStateEntry> originalReferenceEnds)
{
// bind all parameters
foreach (var parameterBinding in functionMapping.ParameterBindings)
{
PropagatorResult result;
// extract value
if (null != parameterBinding.MemberPath.AssociationSetEnd)
{
// find the relationship entry corresponding to the navigation
var endMember = parameterBinding.MemberPath.AssociationSetEnd.CorrespondingAssociationEndMember;
IEntityStateEntry relationshipEntry;
var hasTarget = parameterBinding.IsCurrent
? currentReferenceEnds.TryGetValue(endMember, out relationshipEntry)
: originalReferenceEnds.TryGetValue(endMember, out relationshipEntry);
if (!hasTarget)
{
if (endMember.RelationshipMultiplicity
== RelationshipMultiplicity.One)
{
var entitySetName = stateEntry.Source.EntitySet.Name;
var associationSetName = parameterBinding.MemberPath.AssociationSetEnd.ParentAssociationSet.Name;
throw new UpdateException(
Strings.Update_MissingRequiredRelationshipValue(entitySetName, associationSetName), null,
command.GetStateEntries(translator).Cast <ObjectStateEntry>().Distinct());
}
else
{
result = PropagatorResult.CreateSimpleValue(PropagatorFlags.NoFlags, null);
}
}
else
{
// get the actual value
var relationshipResult = parameterBinding.IsCurrent
? translator.RecordConverter.ConvertCurrentValuesToPropagatorResult(
relationshipEntry, ModifiedPropertiesBehavior.AllModified)
: translator.RecordConverter.ConvertOriginalValuesToPropagatorResult(
relationshipEntry, ModifiedPropertiesBehavior.AllModified);
var endResult = relationshipResult.GetMemberValue(endMember);
var keyProperty = (EdmProperty)parameterBinding.MemberPath.Members[0];
result = endResult.GetMemberValue(keyProperty);
}
}
else
{
// walk through the member path to find the appropriate propagator results
result = parameterBinding.IsCurrent ? stateEntry.Current : stateEntry.Original;
for (var i = parameterBinding.MemberPath.Members.Count; i > 0;)
{
--i;
var member = parameterBinding.MemberPath.Members[i];
result = result.GetMemberValue(member);
}
}
// create DbParameter
command.SetParameterValue(result, parameterBinding, translator);
}
// Add rows affected parameter
command.RegisterRowsAffectedParameter(functionMapping.RowsAffectedParameter);
}
private static void BindFunctionParameters(
UpdateTranslator translator,
ExtractedStateEntry stateEntry,
ModificationFunctionMapping functionMapping,
FunctionUpdateCommand command,
Dictionary <AssociationEndMember, IEntityStateEntry> currentReferenceEnds,
Dictionary <AssociationEndMember, IEntityStateEntry> originalReferenceEnds)
{
foreach (ModificationFunctionParameterBinding parameterBinding in functionMapping.ParameterBindings)
{
PropagatorResult result;
if (parameterBinding.MemberPath.AssociationSetEnd != null)
{
AssociationEndMember associationEndMember = parameterBinding.MemberPath.AssociationSetEnd.CorrespondingAssociationEndMember;
IEntityStateEntry stateEntry1;
if (!(parameterBinding.IsCurrent ? currentReferenceEnds.TryGetValue(associationEndMember, out stateEntry1) : originalReferenceEnds.TryGetValue(associationEndMember, out stateEntry1)))
{
if (associationEndMember.RelationshipMultiplicity == RelationshipMultiplicity.One)
{
throw new UpdateException(Strings.Update_MissingRequiredRelationshipValue((object)stateEntry.Source.EntitySet.Name, (object)parameterBinding.MemberPath.AssociationSetEnd.ParentAssociationSet.Name), (Exception)null, command.GetStateEntries(translator).Cast <ObjectStateEntry>().Distinct <ObjectStateEntry>());
}
result = PropagatorResult.CreateSimpleValue(PropagatorFlags.NoFlags, (object)null);
}
else
{
result = (parameterBinding.IsCurrent ? translator.RecordConverter.ConvertCurrentValuesToPropagatorResult(stateEntry1, ModifiedPropertiesBehavior.AllModified) : translator.RecordConverter.ConvertOriginalValuesToPropagatorResult(stateEntry1, ModifiedPropertiesBehavior.AllModified)).GetMemberValue((EdmMember)associationEndMember).GetMemberValue(parameterBinding.MemberPath.Members[0]);
}
}
else
{
result = parameterBinding.IsCurrent ? stateEntry.Current : stateEntry.Original;
int count = parameterBinding.MemberPath.Members.Count;
while (count > 0)
{
--count;
EdmMember member = parameterBinding.MemberPath.Members[count];
result = result.GetMemberValue(member);
}
}
command.SetParameterValue(result, parameterBinding, translator);
}
command.RegisterRowsAffectedParameter(functionMapping.RowsAffectedParameter);
}