internal override FunctionUpdateCommand Translate(
UpdateTranslator translator,
ExtractedStateEntry stateEntry)
{
if (this.m_mapping == null)
{
return((FunctionUpdateCommand)null);
}
bool flag = EntityState.Added == stateEntry.State;
EntityUtil.ValidateNecessaryModificationFunctionMapping(flag ? this.m_mapping.InsertFunctionMapping : this.m_mapping.DeleteFunctionMapping, flag ? "Insert" : "Delete", stateEntry.Source, "AssociationSet", this.m_mapping.AssociationSet.Name);
ModificationFunctionMapping functionMapping = flag ? this.m_mapping.InsertFunctionMapping : this.m_mapping.DeleteFunctionMapping;
FunctionUpdateCommand functionUpdateCommand = new FunctionUpdateCommand(functionMapping, translator, new ReadOnlyCollection <IEntityStateEntry>((IList <IEntityStateEntry>)((IEnumerable <IEntityStateEntry>) new IEntityStateEntry[1]
{
stateEntry.Source
}).ToList <IEntityStateEntry>()), stateEntry);
PropagatorResult propagatorResult = !flag ? stateEntry.Original : stateEntry.Current;
foreach (ModificationFunctionParameterBinding parameterBinding in functionMapping.ParameterBindings)
{
EdmProperty member1 = (EdmProperty)parameterBinding.MemberPath.Members[0];
AssociationEndMember member2 = (AssociationEndMember)parameterBinding.MemberPath.Members[1];
PropagatorResult memberValue = propagatorResult.GetMemberValue((EdmMember)member2).GetMemberValue((EdmMember)member1);
functionUpdateCommand.SetParameterValue(memberValue, parameterBinding, translator);
}
functionUpdateCommand.RegisterRowsAffectedParameter(functionMapping.RowsAffectedParameter);
return(functionUpdateCommand);
}
internal override FunctionUpdateCommand Translate(
UpdateTranslator translator,
ExtractedStateEntry stateEntry)
{
if (null == m_mapping)
{
return(null);
}
var isInsert = EntityState.Added == stateEntry.State;
EntityUtil.ValidateNecessaryModificationFunctionMapping(
isInsert ? m_mapping.InsertFunctionMapping : m_mapping.DeleteFunctionMapping,
isInsert ? "Insert" : "Delete",
stateEntry.Source, "AssociationSet", m_mapping.AssociationSet.Name);
// initialize a new command
var functionMapping = isInsert ? m_mapping.InsertFunctionMapping : m_mapping.DeleteFunctionMapping;
var command = new FunctionUpdateCommand(
functionMapping, translator, new ReadOnlyCollection <IEntityStateEntry>(new[] { stateEntry.Source }.ToList()), stateEntry);
// extract the relationship values from the state entry
PropagatorResult recordResult;
if (isInsert)
{
recordResult = stateEntry.Current;
}
else
{
recordResult = stateEntry.Original;
}
// bind parameters
foreach (var parameterBinding in functionMapping.ParameterBindings)
{
// extract the relationship information
Debug.Assert(
2 == parameterBinding.MemberPath.Members.Count, "relationship parameter binding member " +
"path should include the relationship end and key property only");
var keyProperty = (EdmProperty)parameterBinding.MemberPath.Members[0];
var endMember = (AssociationEndMember)parameterBinding.MemberPath.Members[1];
// get the end member
var endResult = recordResult.GetMemberValue(endMember);
var keyResult = endResult.GetMemberValue(keyProperty);
command.SetParameterValue(keyResult, parameterBinding, translator);
}
// add rows affected output parameter
command.RegisterRowsAffectedParameter(functionMapping.RowsAffectedParameter);
return(command);
}
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);
}
// 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);
}
internal override FunctionUpdateCommand Translate(
UpdateTranslator translator,
ExtractedStateEntry stateEntry)
{
if (null == m_mapping)
{
return null;
}
var isInsert = EntityState.Added == stateEntry.State;
EntityUtil.ValidateNecessaryModificationFunctionMapping(
isInsert ? m_mapping.InsertFunctionMapping : m_mapping.DeleteFunctionMapping,
isInsert ? "Insert" : "Delete",
stateEntry.Source, "AssociationSet", m_mapping.AssociationSet.Name);
// initialize a new command
var functionMapping = isInsert ? m_mapping.InsertFunctionMapping : m_mapping.DeleteFunctionMapping;
var command = new FunctionUpdateCommand(
functionMapping, translator, new ReadOnlyCollection<IEntityStateEntry>(new[] { stateEntry.Source }.ToList()), stateEntry);
// extract the relationship values from the state entry
PropagatorResult recordResult;
if (isInsert)
{
recordResult = stateEntry.Current;
}
else
{
recordResult = stateEntry.Original;
}
// bind parameters
foreach (var parameterBinding in functionMapping.ParameterBindings)
{
// extract the relationship information
Debug.Assert(
2 == parameterBinding.MemberPath.Members.Count, "relationship parameter binding member " +
"path should include the relationship end and key property only");
var keyProperty = (EdmProperty)parameterBinding.MemberPath.Members[0];
var endMember = (AssociationEndMember)parameterBinding.MemberPath.Members[1];
// get the end member
var endResult = recordResult.GetMemberValue(endMember);
var keyResult = endResult.GetMemberValue(keyProperty);
command.SetParameterValue(keyResult, parameterBinding, translator);
}
// add rows affected output parameter
command.RegisterRowsAffectedParameter(functionMapping.RowsAffectedParameter);
return command;
}
// 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);
}