private async Task <ExecValue> createObject(ExecutionContext ctx,
bool onHeap, // false -> create regular value
IEntityInstance typename,
FunctionDefinition targetFunc,
IEnumerable <IEntityInstance> templateArguments,
params ObjectData[] arguments)
{
IEntityInstance outer_typename = typename;
if (onHeap)
{
outer_typename = ctx.Env.Reference(typename, TypeMutability.None,
viaPointer: true);
}
ObjectData this_object = await allocObjectAsync(ctx, typename, outer_typename, null).ConfigureAwait(false);
// it is local variable so we need to inc ref count
bool incremented = ctx.Heap.TryInc(ctx, this_object, RefCountIncReason.StoringLocalPointer, "");
ExecValue ret = await callNonVariadicFunctionDirectly(ctx, targetFunc, templateArguments,
this_object, arguments).ConfigureAwait(false);
if (incremented)
{
ctx.Heap.TryRelease(ctx, this_object, this_object, false, RefCountDecReason.DroppingLocalPointer, "");
}
if (ret.IsThrow)
{
return(ret);
}
else
{
return(ExecValue.CreateExpression(this_object));
}
}
public static bool LowestCommonAncestor(ComputationContext ctx,
IEntityInstance anyTypeA, IEntityInstance anyTypeB,
out IEntityInstance result)
{
bool a_dereferenced, b_dereferenced;
bool via_pointer = false;
TypeMutability mutability_override = TypeMutability.None;
{
a_dereferenced = ctx.Env.DereferencedOnce(anyTypeA, out IEntityInstance deref_a, out bool a_via_pointer);
b_dereferenced = ctx.Env.DereferencedOnce(anyTypeA, out IEntityInstance deref_b, out bool b_via_pointer);
if (a_dereferenced && b_dereferenced)
{
TypeMutability mutability_a = anyTypeA.SurfaceMutabilityOfType(ctx);
TypeMutability mutability_b = anyTypeB.SurfaceMutabilityOfType(ctx);
if (mutability_a == mutability_b)
{
mutability_override = mutability_a;
}
else
{
mutability_override = TypeMutability.ReadOnly;
}
anyTypeA = deref_a;
anyTypeB = deref_b;
via_pointer = a_via_pointer && b_via_pointer;
}
}
var type_a = anyTypeA as EntityInstance;
var type_b = anyTypeB as EntityInstance;
if (type_a == null)
{
result = type_b;
return(type_b != null);
}
else if (type_b == null)
{
result = type_a;
return(type_a != null);
}
type_a.Evaluated(ctx);
type_b.Evaluated(ctx);
if (type_a.IsJoker)
{
result = type_b;
return(true);
}
else if (type_b.IsJoker)
{
result = type_a;
return(true);
}
HashSet <EntityInstance> set_a = type_a.Inheritance(ctx).OrderedAncestorsIncludingObject.Concat(type_a)
.ToHashSet(EntityInstance.CoreComparer);
result = selectFromLowestCommonAncestorPool(ctx, type_b, set_a);
if (result != null && a_dereferenced && b_dereferenced)
{
// result = ctx.Env.Reference(result, TypeMutability.None, null, via_pointer);
result = ctx.Env.Reference(result, mutability_override, via_pointer);
}
return(result != null);
}
private static IEntityInstance GetEntityInstance(SPBusinessDataField dataField, string entityId, SPSite site, SPListItem item, string finderMethodName)
{
IEntityInstance entInstance = null;
try
{
IEntity entity = GetEntity(site, dataField);
ILobSystemInstance lobSystemInstance = entity.GetLobSystem().GetLobSystemInstances()[0].Value;
// Get methods collection
foreach (KeyValuePair <string, IMethod> method in entity.GetMethods())
{
// Get current method's instance
IMethodInstance methodInstance = method.Value.GetMethodInstances()[method.Key];
// Execute specific finder method
if (methodInstance.MethodInstanceType == MethodInstanceType.SpecificFinder && methodInstance.Name == finderMethodName)
{
Identity id = null;
if (EntityInstanceIdEncoder.IsEncodedIdentifier(entityId))
{
object[] oIDList = EntityInstanceIdEncoder.DecodeEntityInstanceId(entityId);
id = new Identity(oIDList[0]);
// Execute specific finder method and get the entity instance
entInstance = entity.FindSpecific(id, methodInstance.Name, entity.GetLobSystem().GetLobSystemInstances()[0].Value);
item[dataField.RelatedField] = entityId.ToString();
}
else
{
object oID = GetTypedIDValue(entityId, entity);
id = new Identity(oID);
string encodedIdentifier = EntityInstanceIdEncoder.EncodeEntityInstanceId(new object[] { oID });
// Execute specific finder method and get the entity instance
entInstance = entity.FindSpecific(id, methodInstance.Name, entity.GetLobSystem().GetLobSystemInstances()[0].Value);
item[dataField.RelatedField] = encodedIdentifier;
}
}
}
}
catch (ObjectNotFoundException notFoundException)
{
LogError("GetEntityInstance errored with message " + notFoundException.Message + ". Adding item to Guidewire.");
Console.WriteLine("GetEntityInstance errored with message " + notFoundException.Message + ". Adding item to Guidewire.");
bool addDocumentToGuidewire = CallGuidewire(item, GuidewireOperationType.New);
string outMessage = "";
if (addDocumentToGuidewire)
{
outMessage = string.Format("Item with ID {0} added to Guidewire", item.ID);
}
else
{
outMessage = string.Format("Item with ID {0} could not be added to Guidewire", item.ID);
if (Settings.Default.DeleteFailures)
{
try
{
// Recycle the item if it can't be added to guidewire and it's older than 30 days
if (DateTime.Now.AddDays(-30) > (DateTime)item[SPBuiltInFieldId.Modified])
{
item.Recycle();
}
}
catch
{
// Swallow this error. The item doesn't exist in Guidewire and can't be deleted in SharePoint. It has problems
}
}
LogError(outMessage);
}
Console.WriteLine(outMessage);
}
catch (Exception ex)
{
// Swallow this error
LogError("GetEntityInstance errored with message " + ex.Message);
Console.WriteLine("GetEntityInstance errored with message " + ex.Message);
}
return(entInstance);
}
internal static Task <ObjectData> CreateTypeAsync(ExecutionContext ctx, IEntityInstance typeInstance)
{
TypeDefinition type_def = typeInstance.Cast <EntityInstance>().TargetType;
return(constructorAsync(ctx, type_def.Modifier.HasNative, null, typeInstance, isStatic: true));
}
public static bool IsDerivedOf(ComputationContext ctx, FunctionDefinition derivedFunc,
FunctionDefinition baseFunc, EntityInstance baseTemplate)
{
if (derivedFunc.IsPropertyAccessor(out Property derived_prop))
{
if (baseFunc.IsPropertyAccessor(out Property base_prop))
{
// properties have to much and name (kind) of the accessor
if (!EntityNameArityComparer.Instance.Equals(derived_prop.Name, base_prop.Name) ||
!EntityNameArityComparer.Instance.Equals(derivedFunc.Name, baseFunc.Name))
{
return(false);
}
}
// property-getters can override regular methods
else if (derived_prop.Getter != derivedFunc ||
!EntityNameArityComparer.Instance.Equals(derived_prop.Name, baseFunc.Name))
{
return(false);
}
}
// todo: we have to check constraints as well
else if (!EntityNameArityComparer.Instance.Equals(derivedFunc.Name, baseFunc.Name))
{
return(false);
}
foreach (Tuple <TemplateParameter, TemplateParameter> param_pair in derivedFunc.Name.Parameters
.SyncZip(baseFunc.Name.Parameters))
{
if (!TemplateParameterExtension.IsSame(param_pair.Item1, param_pair.Item2, baseTemplate))
{
return(false);
}
}
{
IEntityInstance base_result_type = baseFunc.ResultTypeName.Evaluation.Components.TranslateThrough(baseTemplate);
TypeMatch match = derivedFunc.ResultTypeName.Evaluation.Components.MatchesTarget(ctx, base_result_type,
TypeMatching.Create(ctx.Env.Options.InterfaceDuckTyping, allowSlicing: false));
if (match != TypeMatch.Same && match != TypeMatch.Substitute)
{
return(false);
}
}
if (derivedFunc.Parameters.Count != baseFunc.Parameters.Count)
{
return(false);
}
foreach (Tuple <FunctionParameter, FunctionParameter> param_pair in derivedFunc.Parameters.SyncZip(baseFunc.Parameters))
{
if (!FunctionParameterExtension.IsDerivedOf(ctx, param_pair.Item1, param_pair.Item2, baseTemplate))
{
return(false);
}
}
return(true);
}
public static IEntityInstance Rebuild(this IEntityInstance instance, ComputationContext ctx, TypeMutability mutability, bool deep = true)
{
return(instance.Map(elem => elem.Rebuild(ctx, mutability, deep)));
}
private async Task <ExecValue> executeNativeFileFunctionAsync(ExecutionContext ctx, FunctionDefinition func)
{
if (func == ctx.Env.FileReadLines)
{
ObjectData filepath_obj = ctx.GetArgument(func, NameFactory.FileFilePathParameter);
if (!filepath_obj.TryDereferenceAnyOnce(ctx.Env, out ObjectData filepath_val))
{
throw new Exception($"{ExceptionCode.SourceInfo()}");
}
string filepath = filepath_val.PlainValue.Cast <string>();
string[] lines = null;
try
{
// todo: change it to ReadLines once we have deferred execution
lines = System.IO.File.ReadAllLines(filepath);
}
#pragma warning disable 0168
catch (Exception ex) // we would use it when debugging
#pragma warning restore 0168
{
}
Option <ObjectData> opt_lines_obj;
ObjectData chunk_ptr;
if (lines == null)
{
chunk_ptr = null;
opt_lines_obj = new Option <ObjectData>();
}
else
{
IEntityInstance string_ptr_instance;
{
IEntityInstance ptr_iterable_instance = func.ResultTypeName.Evaluation.Components.Cast <EntityInstance>().TemplateArguments.Single();
IEntityInstance iterable_str_ptr_instance = ptr_iterable_instance.Cast <EntityInstance>().TemplateArguments.Single();
string_ptr_instance = iterable_str_ptr_instance.Cast <EntityInstance>().TemplateArguments.Single();
}
var lines_obj = new ObjectData[lines.Length];
int i = 0;
foreach (string s in lines)
{
ObjectData s_ptr = await createStringAsync(ctx, s).ConfigureAwait(false);
if (!ctx.Heap.TryInc(ctx, s_ptr, RefCountIncReason.FileLine, $"{filepath}"))
{
throw new Exception($"{ExceptionCode.SourceInfo()}");
}
lines_obj[i] = s_ptr;
++i;
}
chunk_ptr = await createChunkOnHeap(ctx, string_ptr_instance, lines_obj).ConfigureAwait(false);
opt_lines_obj = new Option <ObjectData>(chunk_ptr);
}
ExecValue opt_exec = await createOption(ctx, func.ResultTypeName.Evaluation.Components, opt_lines_obj).ConfigureAwait(false);
if (chunk_ptr != null)
{
ctx.Heap.TryRelease(ctx, chunk_ptr, null, false, RefCountDecReason.DroppingLocalPointer, "");
}
if (opt_exec.IsThrow)
{
return(opt_exec);
}
ObjectData result = opt_exec.ExprValue;
return(ExecValue.CreateReturn(result));
}
else if (func == ctx.Env.FileExists)
{
ObjectData filepath_obj = ctx.GetArgument(func, NameFactory.FileFilePathParameter);
if (!filepath_obj.TryDereferenceAnyOnce(ctx.Env, out ObjectData filepath_val))
{
throw new Exception($"{ExceptionCode.SourceInfo()}");
}
string filepath = filepath_val.PlainValue.Cast <string>();
bool exists = System.IO.File.Exists(filepath);
ExecValue result = ExecValue.CreateReturn(await ObjectData.CreateInstanceAsync(ctx, func.ResultTypeName.Evaluation.Components,
exists).ConfigureAwait(false));
return(result);
}
else
{
throw new NotImplementedException($"{ExceptionCode.SourceInfo()}");
}
}
public IEnumerable<ILayer> GetLayersForEntity(IEntityInstance instance)
{
return from layer in Layers
where instance.IsPartOfLayer(layer)
select layer;
}
/// <summary>
///
/// </summary>
public Uri GetDisplayUri(IEntityInstance entityInstance, IEntityInstance parentEntityInstance)
{
throw new NotImplementedException();
}
//
// This region contains methods for generating access and display URLs for child items that are enumerated from
// BCS metadata objects that we don't expect to crawl (e.g. LobSystem, LobSystemInstance, Entity). As a result,
// they all throw NotImplementedException. If you were to change the crawl strategy of this connector to crawl
// different BCS metadata objects you would need to implement the GetAccessUri and GetDisplayUri for those
// metadata object types.
//
#region Unused URL translation methods
/// <summary>
/// Generate the access URL for an EntityInstance. This method is called when the instance is being enumerated
/// from the finder method of an entity (i.e., the RootFinder).
/// </summary>
public Uri GetAccessUri(IEntityInstance entityInstance)
{
throw new NotImplementedException();
}
//
// This region contains methods that generate access URL and display URL for EntityInstance data objects that
// are enumerated using association navigators. This is the only type of enumeration that the MyFileConnector
// sample does.
//
#region URL translation methods we need
/// <summary>
/// Generate the access URL for an entity instance. This method is used when the instance is being enumerated
/// by an association navigator (and will therefore have a "parent" entity instance).
/// </summary>
/// <param name="entityInstance">
/// Supplies the entity instance.
/// </param>
/// <param name="parentEntityInstance">
/// Supplies the entity instance that contained the entity instance in whose access URL we're interested.
/// </param>
/// <returns>
/// Returns a Uri containing the access Url.
/// </returns>
public Uri GetAccessUri(IEntityInstance entityInstance, IEntityInstance parentEntityInstance)
{
//
// The identifier of an Entity instance is defined in the model file at the Entity level:
//
// <Entity Name="MyFolder" Namespace="MyFileConnector" Version="1.0.0.1">
// <Identifiers>
// <Identifier Name="PathID" TypeName="System.String" />
// </Identifiers>
// ...
//
// And every method defined for that Entity must mark the field or fields in the return type descriptor that
// contain the identifier(s). In the MyFileConnector example, the identifier is just the path to the file,
// which is a field in the return type descriptor of every method defined in the model file for the MyFolder
// Entity. Here is an example of how it's marked as an 'Identifier' in the return type descriptor of the
// GetSubFolders method:
//
// <TypeDescriptor
// Name="Path"
// TypeName="System.String"
// IdentifierEntityNamespace="MyFileConnector"
// IdentifierEntityName="MyFolder"
// IdentifierName="PathID" />
//
//
// Sanity check that we have an Entity name that we expect.
//
if (!entityInstance.Entity.Name.Equals("MyFolder", StringComparison.OrdinalIgnoreCase) &&
!entityInstance.Entity.Name.Equals("MyFile", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException(String.Format(
"Invalid Entity type: {0}",
entityInstance.Entity.Name));
}
//
// For both the 'MyFile' and 'MyFolder' Entities, the 'Identifier' is a UNC path to the file or folder. Our
// access URL format is the UNC path in URL format, with the first segment (either 'MyFolder' or 'MyFile')
// to indicate entity type. So first, read the path from the 'Identifiers'. There's only one Identifier
// defined in our model file so we can just access the first element of the Identifier values array. Had
// there been more than one, this array would be in the order in which the identifiers are defined in the
// 'Identifiers' node of an Entity.
//
object[] ids = entityInstance.GetIdentity().GetIdentifierValues();
String path = ids[0].ToString();
//
// Now generate a Uri from the path, and insert the appropriate entity type as the first segment.
//
Uri pathUri = new Uri(path);
StringBuilder pathWithEntityType = new StringBuilder();
pathWithEntityType.AppendFormat("myfile://{0}/{1}", pathUri.Host, entityInstance.Entity.Name);
foreach (String segment in pathUri.Segments)
{
pathWithEntityType.Append(segment);
}
this.accessUri = new Uri(pathWithEntityType.ToString());
//
// (Side note and general comment on this class: It's really convenient that our external repository's BCS
// Identifier happens to be a UNC path, which is something that's easily translated into a URL. However,
// your BCS Identifier(s) can be anything at all. You have to decide on the mapping from that set of
// Identifiers (which is what BCS understands) to an access URL (which is what the SharePoint Search
// gatherer works with) and implement it in this class.)
//
return(this.accessUri);
}
/// <summary>
/// Generate the access URL for an entity instance. This method is used when the instance is being enumerated
/// by an association navigator (and will therefore have a "parent" entity instance).
/// </summary>
/// <param name="entityInstance">
/// Supplies the entity instance.
/// </param>
/// <param name="parentEntityInstance">
/// Supplies the entity instance that contained the entity instance in whose access URL we're interested.
/// </param>
/// <returns>
/// Returns a Uri containing the access Url.
/// </returns>
public Uri GetAccessUri(IEntityInstance entityInstance, IEntityInstance parentEntityInstance)
{
//
// The identifier of an Entity instance is defined in the model file at the Entity level:
//
// <Entity Name="MyFolder" Namespace="MyFileConnector" Version="1.0.0.1">
// <Identifiers>
// <Identifier Name="PathID" TypeName="System.String" />
// </Identifiers>
// ...
//
// And every method defined for that Entity must mark the field or fields in the return type descriptor that
// contain the identifier(s). In the MyFileConnector example, the identifier is just the path to the file,
// which is a field in the return type descriptor of every method defined in the model file for the MyFolder
// Entity. Here is an example of how it's marked as an 'Identifier' in the return type descriptor of the
// GetSubFolders method:
//
// <TypeDescriptor
// Name="Path"
// TypeName="System.String"
// IdentifierEntityNamespace="MyFileConnector"
// IdentifierEntityName="MyFolder"
// IdentifierName="PathID" />
//
//
// Sanity check that we have an Entity name that we expect.
//
if (!entityInstance.Entity.Name.Equals("MyFolder", StringComparison.OrdinalIgnoreCase) &&
!entityInstance.Entity.Name.Equals("MyFile", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException(String.Format(
"Invalid Entity type: {0}",
entityInstance.Entity.Name));
}
//
// For both the 'MyFile' and 'MyFolder' Entities, the 'Identifier' is a UNC path to the file or folder. Our
// access URL format is the UNC path in URL format, with the first segment (either 'MyFolder' or 'MyFile')
// to indicate entity type. So first, read the path from the 'Identifiers'. There's only one Identifier
// defined in our model file so we can just access the first element of the Identifier values array. Had
// there been more than one, this array would be in the order in which the identifiers are defined in the
// 'Identifiers' node of an Entity.
//
object[] ids = entityInstance.GetIdentity().GetIdentifierValues();
String path = ids[0].ToString();
//
// Now generate a Uri from the path, and insert the appropriate entity type as the first segment.
//
Uri pathUri = new Uri(path);
StringBuilder pathWithEntityType = new StringBuilder();
pathWithEntityType.AppendFormat("myfile://{0}/{1}", pathUri.Host, entityInstance.Entity.Name);
foreach (String segment in pathUri.Segments)
{
pathWithEntityType.Append(segment);
}
this.accessUri = new Uri(pathWithEntityType.ToString());
//
// (Side note and general comment on this class: It's really convenient that our external repository's BCS
// Identifier happens to be a UNC path, which is something that's easily translated into a URL. However,
// your BCS Identifier(s) can be anything at all. You have to decide on the mapping from that set of
// Identifiers (which is what BCS understands) to an access URL (which is what the SharePoint Search
// gatherer works with) and implement it in this class.)
//
return this.accessUri;
}
/// <summary>
///
/// </summary>
public Uri GetDisplayUri(IEntityInstance entityInstance, IEntityInstance parentEntityInstance)
{
throw new NotImplementedException();
}
/// <summary>
/// Generate a display URL from an EntityInstance.
/// </summary>
/// <param name="entityInstance">
/// Supplies the EntityInstance data object.
/// </param>
/// <param name="computedDisplayUri">
/// Supplies the display URL provided by the repository if there was one.
/// </param>
/// <returns>
/// Returns a Uri containing the display URL.
/// </returns>
public Uri GetDisplayUri(IEntityInstance entityInstance, string computedDisplayUri)
{
//
// The only time we expect to receive a computed display URL is when the shim itself returns a String field
// in the return type descriptor containing a display URL. In order to cause the connector framework to use
// this String field, the 'DisplayUriField' property must be defined on the method instance and the value of
// the 'DisplayUriField' property must be the name of the String field in the return type descriptor that
// contains the display URL.
//
// However, in this case our shim does not return a display URL, so we always expect this to be empty.
//
if (!String.IsNullOrEmpty(computedDisplayUri))
{
throw new ArgumentException(String.Format(
"Unexpectedly received a computed display URL: {0}",
computedDisplayUri));
}
//
// In this case, the 'Path' identifier is simply the UNC path to the file or folder. So return the URL
// representation of that.
//
object[] ids = entityInstance.GetIdentity().GetIdentifierValues();
String path = ids[0].ToString();
return new Uri(path);
}
/// <summary>
/// Generate the access URL for an EntityInstance. This method is called when the instance is being enumerated
/// from the finder method of an entity (i.e., the RootFinder).
/// </summary>
public Uri GetAccessUri(IEntityInstance entityInstance)
{
throw new NotImplementedException();
}
public static bool InterchangeableTypes(ComputationContext ctx, IEntityInstance eval1, IEntityInstance eval2)
{
ctx.Env.Dereference(eval1, out eval1);
ctx.Env.Dereference(eval2, out eval2);
// if both types are sealed they are interchangeable only if they are the same
// if one is not sealed then it has to be possible to subsitute them
// otherwise they are completely alien and checking is-type/is-same does not make sense
if (!interchangeableTypesTo(ctx, eval1, eval2))
{
return(false);
}
bool result = interchangeableTypesTo(ctx, eval2, eval1);
return(result);
}
public static TypeMatch Matches(ComputationContext ctx, EntityInstance input, EntityInstance target, TypeMatching matching)
{
if (input.IsJoker || target.IsJoker)
{
return(TypeMatch.Same);
}
if (!target.Target.IsType() || !input.Target.IsType())
{
return(TypeMatch.No);
}
if (input.Lifetime.IsAttached)
{
matching = matching.WithLifetimeCheck(true, input.Lifetime, target.Lifetime);
}
{
IEnumerable <FunctionDefinition> in_conv = target.TargetType.ImplicitInConverters().StoreReadOnly();
bool conv_slicing_sub = input.TargetType.AllowSlicedSubstitution;
foreach (FunctionDefinition func in in_conv)
{
IEntityInstance conv_type = func.Parameters.Single().TypeName.Evaluated(ctx, EvaluationCall.AdHocCrossJump).TranslateThrough(target);
if (target.IsIdentical(conv_type)) // preventing circular conversion check
{
continue;
}
TypeMatch m = input.MatchesTarget(ctx, conv_type, matching.WithSlicing(conv_slicing_sub));
if (m == TypeMatch.Same || m == TypeMatch.Substitute)
{
return(TypeMatch.InConversion);
}
}
}
if (ctx.Env.IsReferenceOfType(target))
{
if (ctx.Env.IsPointerLikeOfType(input))
{
// note, that we could have reference to pointer in case of the target, we have to unpack both
// to the level of the value types
int target_dereferences = ctx.Env.Dereference(target, out IEntityInstance inner_target_type);
int input_dereferences = ctx.Env.Dereference(input, out IEntityInstance inner_input_type);
TypeMatch m = inner_input_type.MatchesTarget(ctx, inner_target_type, matching
.WithSlicing(true)
.WithMutabilityCheckRequest(true)
.WithLifetimeCheck(true, ctx.Env.IsReferenceOfType(input) ? input.Lifetime : Lifetime.Timeless, target.Lifetime));
if (target_dereferences > input_dereferences && !m.IsMismatch())
{
m |= TypeMatch.ImplicitReference;
}
return(m);
}
else
{
ctx.Env.Dereferenced(target, out IEntityInstance inner_target_type);
TypeMatch m = input.MatchesTarget(ctx, inner_target_type, matching
.WithSlicing(true)
.WithMutabilityCheckRequest(true)
.WithLifetimeCheck(true, input.Lifetime, target.Lifetime));
if (m == TypeMatch.Same || m == TypeMatch.Substitute)
{
return(m | TypeMatch.ImplicitReference);
}
else
{
return(m);
}
}
}
// automatic dereferencing pointers
else if (ctx.Env.IsPointerLikeOfType(input))
{
int input_dereferences;
{
input_dereferences = ctx.Env.Dereference(input, out IEntityInstance dummy);
}
// we check if we have more refs/ptrs in input than in target
if (input_dereferences > (ctx.Env.IsPointerOfType(target) ? 1 : 0))
{
ctx.Env.DereferencedOnce(input, out IEntityInstance inner_input_type, out bool dummy);
TypeMatch m = inner_input_type.MatchesTarget(ctx, target, matching.WithSlicing(true));
if (m.Passed)
{
return(m | TypeMatch.AutoDereference);
}
}
else
{
matching = matching.WithMutabilityCheckRequest(true)
;
}
}
if (ctx.Env.IsReferenceOfType(input) && ctx.Env.IsPointerOfType(target))
{
// note, that we could have reference to pointer in case of the target, we have to unpack both
// to the level of the value types
ctx.Env.DereferencedOnce(target, out IEntityInstance inner_target_type, out bool dummy1);
ctx.Env.DereferencedOnce(input, out IEntityInstance inner_input_type, out bool dummy2);
TypeMatch m = inner_input_type.MatchesTarget(ctx, inner_target_type, matching
.WithSlicing(true)
.WithMutabilityCheckRequest(true)
.WithLifetimeCheck(true, input.Lifetime, Lifetime.Timeless));
if (!m.IsMismatch())
{
m |= TypeMatch.Attachment;
}
return(m);
}
{
IEnumerable <FunctionDefinition> out_conv = input.TargetType.ImplicitOutConverters().StoreReadOnly();
bool conv_slicing_sub = input.TargetType.AllowSlicedSubstitution;
foreach (FunctionDefinition func in out_conv)
{
IEntityInstance conv_type = func.ResultTypeName.Evaluated(ctx, EvaluationCall.AdHocCrossJump).TranslateThrough(input);
//if (target == conv_type) // preventing circular conversion check
// continue;
TypeMatch m = conv_type.MatchesTarget(ctx, target, matching.WithSlicing(conv_slicing_sub));
if (m == TypeMatch.Same || m == TypeMatch.Substitute)
{
return(TypeMatch.OutConversion);
}
}
}
if (target.TargetType.AllowSlicedSubstitution)
{
matching.AllowSlicing = true;
}
TypeMatch match = TypeMatch.No;
TypeMutability input_mutability = input.MutabilityOfType(ctx);
if (matching.AllowSlicing)
{
IEnumerable <TypeAncestor> input_family = new[] { new TypeAncestor(input, 0) }
.Concat(input.Inheritance(ctx).OrderedTypeAncestorsIncludingObject
// enum substitution works in reverse so we have to exclude these from here
.Where(it => !it.AncestorInstance.TargetType.Modifier.HasEnum));
foreach (TypeAncestor inherited_input in input_family)
{
if (matchTypes(ctx, input_mutability, input.Lifetime, inherited_input.AncestorInstance,
target, matching, inherited_input.Distance, out TypeMatch m))
{
return(m);
}
else if (m != TypeMatch.No) // getting more specific rejection than just bare one
{
match = m;
}
}
}
// when slicing is disabled we can compare try to substitute only the same type
else if (input.Target == target.Target)
{
if (matchTypes(ctx, input_mutability, input.Lifetime, input, target, matching, distance: 0, match: out match))
{
if (match != TypeMatch.Same && !match.IsMismatch())
{
throw new Exception($"Internal exception {match}");
}
return(match);
}
}
if (input.TargetType.Modifier.HasEnum)
{
// another option for enum-"inheritance" would be dropping it altogether, and copying all the values from the
// base enum. Adding conversion constructor from base to child type will suffice and allow to get rid
// of those enum-inheritance matching
// since we compare only enums here we allow slicing (because it is not slicing, just passing single int)
match = inversedTypeMatching(ctx, input, new[] { new TypeAncestor(target, 0) }
.Concat(target.Inheritance(ctx).OrderedTypeAncestorsIncludingObject)
.Where(it => it.AncestorInstance.TargetType.Modifier.HasEnum), matching.WithSlicing(true));
if (!match.IsMismatch())
{
return(match);
}
}
if (target.TargetsTemplateParameter)
{
// template parameter can have reversed inheritance defined via base-of constraints
// todo: at this it should be already evaluated, so constraints should be surfables
IEnumerable <IEntityInstance> base_of
= target.TemplateParameterTarget.Constraint.BaseOfNames.Select(it => it.Evaluated(ctx, EvaluationCall.AdHocCrossJump));
match = inversedTypeMatching(ctx, input, new[] { new TypeAncestor(target, 0) }
.Concat(base_of.Select(it => new TypeAncestor(it.Cast <EntityInstance>(), 1))), matching);
if (!match.IsMismatch())
{
return(match);
}
}
return(match);
}
private static async Task <ObjectData> createChunkOnHeap(ExecutionContext ctx, IEntityInstance elementType,
IEnumerable <ObjectData> elements)
{
ObjectData chunk_obj = await createChunk(ctx,
ctx.Env.ChunkType.GetInstance(TypeMutability.None,
TemplateTranslation.Create(ctx.Env.ChunkType.InstanceOf, elementType),
Lifetime.Timeless),
elements.ToArray()).ConfigureAwait(false);
ObjectData chunk_ptr = await allocateOnHeapAsync(ctx,
ctx.Env.Reference(chunk_obj.RunTimeTypeInstance, TypeMutability.None, viaPointer: true),
chunk_obj).ConfigureAwait(false);
if (!ctx.Heap.TryInc(ctx, chunk_ptr, RefCountIncReason.IncChunkOnHeap, ""))
{
throw new Exception($"{ExceptionCode.SourceInfo()}");
}
return(chunk_ptr);
}
private async Task <ExecValue> executeNativeChunkFunctionAsync(ExecutionContext ctx, FunctionDefinition func, ObjectData this_value)
{
if (func == ctx.Env.ChunkSizeConstructor)
{
IEntityInstance elem_type = this_value.RunTimeTypeInstance.TemplateArguments.Single();
ObjectData size_obj = ctx.FunctionArguments.Single();
var size = size_obj.NativeNat64;
ObjectData[] chunk = (await Task.WhenAll(Enumerable.Range(0, (int)size).Select(_ => ObjectData.CreateEmptyAsync(ctx, elem_type))).ConfigureAwait(false)).ToArray();
this_value.Assign(await createChunk(ctx, this_value.RunTimeTypeInstance, chunk).ConfigureAwait(false));
return(ExecValue.CreateReturn(null));
}
else if (func == ctx.Env.ChunkResizeConstructor)
{
IEntityInstance elem_type = this_value.RunTimeTypeInstance.TemplateArguments.Single();
ObjectData size_obj = ctx.FunctionArguments[0];
var size = size_obj.NativeNat64;
ObjectData source_obj = ctx.FunctionArguments[1];
if (!source_obj.TryDereferenceAnyOnce(ctx.Env, out ObjectData val_obj))
{
throw new Exception($"{ExceptionCode.SourceInfo()}");
}
Chunk source = val_obj.PlainValue.Cast <Chunk>();
ObjectData[] chunk = new ObjectData[size];
var copy_size = Math.Min(size, source.Count);
for (UInt64 i = 0; i != copy_size; ++i)
{
chunk[i] = source[i];
ctx.Heap.TryInc(ctx, source[i], RefCountIncReason.CopyingChunkElem, "");
}
for (var i = copy_size; i < size; ++i)
{
chunk[i] = await ObjectData.CreateEmptyAsync(ctx, elem_type).ConfigureAwait(false);
}
this_value.Assign(await createChunk(ctx, this_value.RunTimeTypeInstance, chunk).ConfigureAwait(false));
return(ExecValue.CreateReturn(null));
}
else if (func == ctx.Env.ChunkAtSet)
{
ObjectData idx_obj = ctx.GetArgument(func, NameFactory.IndexIndexerParameter);
var idx = idx_obj.NativeNat64;
Chunk chunk = this_value.PlainValue.Cast <Chunk>();
ctx.Heap.TryRelease(ctx, chunk[idx], passingOutObject: null, isPassingOut: false, reason: RefCountDecReason.ReplacingChunkElem, comment: "");
ObjectData arg_ref_object = ctx.GetArgument(func, NameFactory.PropertySetterValueParameter);
// indexer takes reference to element
if (!arg_ref_object.TryDereferenceAnyOnce(ctx.Env, out ObjectData arg_val))
{
throw new Exception($"{ExceptionCode.SourceInfo()}");
}
if (!ctx.Heap.TryIncPointer(ctx, arg_val, RefCountIncReason.SettingChunkElem, ""))
{
arg_val = arg_val.Copy();
}
chunk[idx] = arg_val;
return(ExecValue.CreateReturn(null));
}
else if (func == ctx.Env.ChunkAtGet)
{
ObjectData idx_obj = ctx.GetArgument(func, NameFactory.IndexIndexerParameter);
var idx = idx_obj.NativeNat64;
Chunk chunk = this_value.PlainValue.Cast <Chunk>();
ObjectData obj_value = chunk[idx];
// indexer returns reference to an element value
ObjectData obj_ref = await obj_value.ReferenceAsync(ctx).ConfigureAwait(false);
return(ExecValue.CreateReturn(obj_ref));
}
else if (func == ctx.Env.ChunkCount)
{
Chunk chunk = this_value.PlainValue.Cast <Chunk>();
ObjectData result = await ObjectData.CreateInstanceAsync(ctx, func.ResultTypeName.Evaluation.Components,
chunk.Count).ConfigureAwait(false);
return(ExecValue.CreateReturn(result));
}
else
{
throw new NotImplementedException($"{ExceptionCode.SourceInfo()}");
}
}
public Uri GetAccessUri(IEntityInstance entityInstance, IEntityInstance parentEntityInstance)
{
return(this.GetAccessUri(entityInstance));
}
protected void FindCustomerByID_Click(
object sender, EventArgs e)
{
// Make sure we have values for the entity namespace and name.
if (!EntityValuesAreSet)
{
DisplaySetPropertyValuePrompt(true);
return;
}
else
{
DisplaySetPropertyValuePrompt(false);
}
// Do simple validation of the customer ID. Make sure it is
// an integer.
int customerID = -1;
if (!ValidateCustomerID(CustomerID.Text, ref customerID))
{
ClearFields(false);
StatusLabel.ForeColor = Color.Red;
StatusLabel.Text =
"Please enter an integer for the Customer ID value.";
return;
}
try
{
using (new Microsoft.SharePoint.SPServiceContextScope(
SPServiceContext.GetContext(SPContext.Current.Site)))
{
// Get the BDC service and metadata catalog.
BdcService service =
SPFarm.Local.Services.GetValue <BdcService>(String.Empty);
IMetadataCatalog catalog =
service.GetDatabaseBackedMetadataCatalog(
SPServiceContext.Current);
// Get the entity using the specified name and namespace.
IEntity entity =
catalog.GetEntity(EntityNamespace, EntityName);
ILobSystemInstance LobSysteminstance =
entity.GetLobSystem().GetLobSystemInstances()[0].Value;
// Create an Identity based on the specified Customer ID.
Identity identity = new Identity(customerID);
// Get a method instance for the SpecificFinder method.
IMethodInstance method =
entity.GetMethodInstance("GetCustomerById",
MethodInstanceType.SpecificFinder);
// Execute the Specific Finder method to return the
// customer data.
IEntityInstance iei =
entity.FindSpecific(identity, LobSysteminstance);
// Display the data for the returned customer in the UI.
Title.Text = iei["Title"] != null ?
iei["Title"].ToString() : string.Empty;
FirstName.Text = iei["FirstName"] != null ?
iei["FirstName"].ToString() : string.Empty;
MiddleName.Text = iei["MiddleName"] != null ?
iei["MiddleName"].ToString() : string.Empty;
LastName.Text = iei["LastName"] != null ?
iei["LastName"].ToString() : string.Empty;
Email.Text = iei["EmailAddress"] != null ?
iei["EmailAddress"].ToString() : string.Empty;
Phone.Text = iei["Phone"] != null ?
iei["Phone"].ToString() : string.Empty;
}
}
catch (Exception ex)
{
ClearFields(false);
StatusLabel.ForeColor = Color.Red;
StatusLabel.Text = "Unable to find customer with ID = " +
CustomerID.Text + ". " + ex.Message;
}
}
public Uri GetDisplayUri(IEntityInstance entityInstance, IEntityInstance parentEntityInstance)
{
return(this.sourceUri);
}
private ParameterType(IEntityInstance elementTypeInstance, IEntityInstance typeInstance)
{
this.ElementTypeInstance = elementTypeInstance;
this.TypeInstance = typeInstance;
}
public static EvaluationInfo Create(IEntityInstance components, EntityInstance merged)
{
return(new EvaluationInfo(components, merged));
}
internal static Task <ObjectData> CreateEmptyAsync(ExecutionContext ctx, IEntityInstance typeInstance)
{
return(CreateInstanceAsync(ctx, typeInstance, null));
}
public static bool DataTransfer(this IEvaluable @this, ComputationContext ctx, ref IExpression source,
IEntityInstance targetTypeName, bool ignoreMutability = false)
{
if (source == null)
{
return(true);
}
IEntityInstance src_type = source.Evaluation.Components;
TypeMatch match = src_type.MatchesTarget(ctx, targetTypeName,
TypeMatching.Create(ctx.Env.Options.InterfaceDuckTyping, allowSlicing: false)
.WithIgnoredMutability(ignoreMutability)
.AllowedLifetimeChecking(true));
if (match.HasFlag(TypeMatch.Attachment))
{
match ^= TypeMatch.Attachment;
}
if (match == TypeMatch.No)
{
ctx.ErrorManager.AddError(ErrorCode.TypeMismatch, source);
return(false);
}
else if (match == TypeMatch.Lifetime)
{
ctx.ErrorManager.AddError(ErrorCode.EscapingReference, source);
return(false);
}
else if (match == TypeMatch.InConversion)
{
source.DetachFrom(@this);
source = ExpressionFactory.StackConstructor((targetTypeName as EntityInstance).NameOf, FunctionArgument.Create(source));
source.AttachTo(@this);
TypeMatch m = source.Evaluated(ctx, EvaluationCall.AdHocCrossJump).MatchesTarget(ctx, targetTypeName, TypeMatching.Create(ctx.Env.Options.InterfaceDuckTyping, allowSlicing: false));
if (m != TypeMatch.Same && m != TypeMatch.Substitute)
{
throw new Exception("Internal error");
}
}
else if (match.HasFlag(TypeMatch.ImplicitReference))
{
match ^= TypeMatch.ImplicitReference;
if (match != TypeMatch.Substitute && match != TypeMatch.Same)
{
throw new NotImplementedException();
}
source.DetachFrom(@this);
source = AddressOf.CreateReference(source);
source.AttachTo(@this);
IEntityInstance source_eval = source.Evaluated(ctx, EvaluationCall.AdHocCrossJump);
TypeMatch m = source_eval.MatchesTarget(ctx, targetTypeName, TypeMatching.Create(ctx.Env.Options.InterfaceDuckTyping,
allowSlicing: true));
if (m != TypeMatch.Same && m != TypeMatch.Substitute)
{
throw new Exception($"Internal error: matching result {m}");
}
}
else if (match == TypeMatch.OutConversion)
{
source.DetachFrom(@this);
source = FunctionCall.ConvCall(source, (targetTypeName as EntityInstance).NameOf);
source.AttachTo(@this);
TypeMatch m = source.Evaluated(ctx, EvaluationCall.AdHocCrossJump).MatchesTarget(ctx, targetTypeName, TypeMatching.Create(ctx.Env.Options.InterfaceDuckTyping, allowSlicing: false));
if (m != TypeMatch.Same && m != TypeMatch.Substitute)
{
throw new Exception("Internal error");
}
}
else if (match.HasFlag(TypeMatch.AutoDereference))
{
source.DereferencedCount_LEGACY = match.Dereferences;
@this.Cast <IExpression>().DereferencingCount = match.Dereferences;
match ^= TypeMatch.AutoDereference;
if (match != TypeMatch.Substitute && match != TypeMatch.Same)
{
throw new NotImplementedException();
}
}
else if (match != TypeMatch.Same && match != TypeMatch.Substitute)
{
throw new NotImplementedException();
}
return(true);
}
protected override void compute(ComputationContext ctx)
{
IEntityInstance eval = EntityInstanceUnion.Create(Elements.Select(it => it.Evaluation.Components));
// we need to get common members
bool has_reference = false;
bool has_pointer = false;
var dereferenced_instances = new List <EntityInstance>();
List <FunctionDefinition> members = null;
foreach (EntityInstance ____instance in this.Elements.Select(it => it.Evaluation.Aggregate))
{
if (ctx.Env.DereferencedOnce(____instance, out IEntityInstance __instance, out bool via_pointer))
{
if (via_pointer)
{
has_pointer = true;
}
else
{
has_reference = true;
}
}
EntityInstance instance = __instance.Cast <EntityInstance>();
dereferenced_instances.Add(instance);
if (members == null)
{
members = instance.TargetType.NestedFunctions
.Where(f => !f.IsAnyConstructor() && f.Parameters.All(it => !it.IsOptional))
.ToList();
}
else
{
foreach (FunctionDefinition m in members.ToArray())
{
bool found = false;
foreach (FunctionDefinition func in instance.TargetType.NestedFunctions)
{
// todo: maybe some day handle optionals
if (func.IsAnyConstructor() || func.Parameters.Any(it => it.IsOptional))
{
continue;
}
if (FunctionDefinitionExtension.IsSame(ctx, m, func, instance))
{
found = true;
break;
}
}
if (!found)
{
members.Remove(m);
}
}
}
}
EntityInstance aggregate_instance = createAggregate(ctx, has_reference, has_pointer,
dereferenced_instances, members, partialVirtualTables: false);
this.Evaluation = new EvaluationInfo(eval, aggregate_instance);
}
private static IEnumerable <CallResolution> resolveOverloading(IEnumerable <CallResolution> targets)
{
if (targets.Count() < 2)
{
return(targets);
}
// the less, the better
var arguments_matches = new List <Tuple <CallResolution, List <FunctionOverloadWeight> > >();
foreach (CallResolution call_target in targets)
{
var weights = new List <FunctionOverloadWeight>();
foreach (FunctionArgument arg in call_target.ExtensionsArguments)
{
FunctionParameter param = call_target.GetParamByArg(arg);
var weight = new FunctionOverloadWeight();
// prefer non-variadic parameters
if (param.IsVariadic)
{
weight.Penalty += 1;
}
// prefer concrete type over generic one (foo(Int) better than foo<T>(T))
// note we use untranslated param evaluation here to achieve this effect
if (!param.Evaluation.Components.IsExactlySame(arg.Evaluation.Components, jokerMatchesAll: true))
{
weight.Penalty += 2;
}
// prefer exact match instead more general match (Int->Int is better than Int->Object)
IEntityInstance param_trans_eval = call_target.GetTransParamEvalByArg(arg);
TypeMatch m = call_target.TypeMatches[arg.Index].Value;
if (m.HasFlag(TypeMatch.Substitute))
{
weight.Penalty += 4;
weight.SubstitutionDistance = m.Distance;
}
else if (!m.HasFlag(TypeMatch.Same)) // conversions
{
weight.Penalty += 8;
}
weights.Add(weight);
}
// bonus if optional parameters are explicitly targeted (i.e. default values are not used)
weights.Add(new FunctionOverloadWeight(call_target.AllParametersUsed() ? 0 : 1));
arguments_matches.Add(Tuple.Create(call_target, weights));
}
Option <Tuple <CallResolution, List <FunctionOverloadWeight> > > best = arguments_matches
.IntransitiveMin((a, b) => Extensions.Tools.HasOneLessNoneGreaterThan(a.Item2, b.Item2, (x, y) => x < y));
if (best.HasValue)
{
return new[] { best.Value.Item1 }
}
;
else
{
return(targets);
}
}
private static void SetSecondaryFields(SPListItem listItem, SPBusinessDataField dataField, IEntityInstance entityInstance, string finderMethod)
{
try
{
// Convert the entity to a formatted datatable
System.Data.DataTable dtBDCData = entityInstance.EntityAsFormattedDataTable;
// Set the BCS field itself (Display Value)
listItem[dataField.Id] = dtBDCData.Rows[0][dataField.BdcFieldName].ToString();
// Get the specific finder method to get the columns that returns
IMethodInstance method = entityInstance.Entity.GetMethodInstances(MethodInstanceType.SpecificFinder)[finderMethod];
ITypeDescriptorCollection oDescriptors = method.GetReturnTypeDescriptor().GetChildTypeDescriptors()[0].GetChildTypeDescriptors();
// Set the column names to the correct values
foreach (ITypeDescriptor oType in oDescriptors)
{
if (oType.ContainsLocalizedDisplayName())
{
if (dtBDCData.Columns.Contains(oType.Name))
{
dtBDCData.Columns[oType.Name].ColumnName = oType.GetLocalizedDisplayName();
}
}
}
// Get the secondary field display names - these should be set
string[] sSecondaryFieldsDisplayNames = dataField.GetSecondaryFieldsNames();
// Loop through the fields and set each column to its value
foreach (string columnNameInt in sSecondaryFieldsDisplayNames)
{
foreach (SPField field in listItem.Fields)
{
if (field.Title.StartsWith(dataField.Title) && field.GetProperty("BdcField") == columnNameInt)
{
Guid gFieldID = listItem.Fields[field.Title].Id;
listItem[gFieldID] = dtBDCData.Rows[0][columnNameInt].ToString();
}
}
}
}
catch (Exception e)
{
LogError("SetSecondaryFields errored with message " + e.Message, ErrorLevel.Warning);
throw;
}
}
public bool Translate(TemplateParameter templateParameter, out IEntityInstance instanceArgument)
{
return(this.table.TryGetValue(templateParameter, out instanceArgument) && instanceArgument != null);
}
/* public static bool AreOverloadDistinct(EntityInstance type1, EntityInstance type2)
* {
* return type2 != type1 && !type1.DependsOnTypeParameter && !type2.DependsOnTypeParameter;
* }*/
public static bool IsStrictAncestorTypeOf(ComputationContext ctx, IEntityInstance ancestor, IEntityInstance descendant)
{
return(ancestor.IsStrictAncestorOf(ctx, descendant));
}
public void CellReady(object sender, CellReadyEventArgs cellReadyArgs)
{
Converter <string, object> converter = null;
RowReadyEventArgs e = new RowReadyEventArgs();
Microsoft.Office.Server.ApplicationRegistry.MetadataModel.View view = null;
this.cellValue = cellReadyArgs.Cell;
bool doit = base.LicEd(4) || !this.Exed;
if (this._cellConnected && this._rowConnected)
{
if (this.rowTable != null)
{
this.rowTable.Dispose();
}
this.rowTable = new DataTable();
if (this.RowArgs.FieldList.Length > 0)
{
foreach (string str in this.RowArgs.FieldList)
{
this.rowTable.Columns.Add(str);
}
if (doit)
{
try
{
view = GetView(this.entity);
if (this.entityInstance == null)
{
this.entityInstance = this.GetEntityInstance(view);
}
}
catch
{
}
}
DataRow[] rowArray = new DataRow[1];
if (converter == null)
{
converter = delegate(string fieldName)
{
if (!doit)
{
return(this.CellValue);
}
if ((this.entityInstance != null) && (view != null))
{
try
{
foreach (Field field in view.Fields)
{
if (field.Name == fieldName)
{
object obj2;
return(((obj2 = this.entityInstance[field]) == null) ? string.Empty : obj2.ToString());
}
}
}
catch
{
}
}
return(string.Empty);
};
}
rowArray[0] = this.rowTable.Rows.Add(new List <string>(this.RowArgs.FieldList).ConvertAll <object>(converter).ToArray());
e.Rows = rowArray;
this.OnRowReady(e);
}
}
}
private static bool interchangeableTypesTo(ComputationContext ctx, IEntityInstance input, IEntityInstance target)
{
bool is_input_sealed = input.EnumerateAll()
.Select(it => { ctx.Env.Dereference(it, out IEntityInstance result); return(result); })
.SelectMany(it => it.EnumerateAll())
.All(it => it.Target.Modifier.IsSealed);
if (is_input_sealed)
{
TypeMatch match = input.MatchesTarget(ctx, target, TypeMatching.Create(ctx.Env.Options.InterfaceDuckTyping, allowSlicing: true).WithIgnoredMutability(true));
// example: we cannot check if x (of Int) is IAlien because Int is sealed and there is no way
// it could be something else not available in its inheritance tree
if (!match.Passed)
{
return(false);
}
}
return(true);
}
String GenerateXml(IEntityInstanceEnumerator enums)
{
XmlDocument xmldoc = new XmlDocument();
//let's add the header
XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, "", "");
xmldoc.AppendChild(xmlnode);
XmlElement xmlelem = xmldoc.CreateElement("", "OneBoxResults", "http://www.w3.org/2001/XMLSchema-instance");
xmldoc.AppendChild(xmlelem);
XmlElement xmlelem2 = xmldoc.CreateElement(null, "resultCode", null);
xmlelem.AppendChild(xmlelem2);
xmlelem2.AppendChild(xmldoc.CreateTextNode("Success"));
xmlelem2 = xmldoc.CreateElement("provider");
xmlelem.AppendChild(xmlelem2);
xmlelem2.AppendChild(xmldoc.CreateTextNode("MOSS BDC"));
xmlelem2 = xmldoc.CreateElement("title");
xmlelem.AppendChild(xmlelem2);
XmlElement xmlelem3 = xmldoc.CreateElement("urlText");
xmlelem2.AppendChild(xmlelem3);
xmlelem3.AppendChild(xmldoc.CreateTextNode("Results in MOSS - BDC"));
xmlelem3 = xmldoc.CreateElement("urlLink");
xmlelem2.AppendChild(xmlelem3);
xmlelem3.AppendChild(xmldoc.CreateTextNode(_entity.listUrl));
//find keys
Regex reg = new Regex("{([^}]*)}");
//process actions
//since onebox only allows one url,we only use one action here
IEnumerator ait = _entity.actionCollection.GetEnumerator();
String url = null;
while (ait.MoveNext())
{
Action a = (Action)ait.Current;
url = a.url;
MatchCollection col = reg.Matches(url);
IEnumerator it = col.GetEnumerator();
while (it.MoveNext())
{
String match = ((Match)it.Current).Value;
String key = match.Substring(1, match.Length - 2);
_keys.Add(key, key);
}
}
//now let's add body
//let's add another element (child of the root)
enums.Reset();
while (enums.MoveNext())
{
xmlelem2 = xmldoc.CreateElement("MODULE_RESULT");
xmlelem.AppendChild(xmlelem2);
IEntityInstance IE = enums.Current;
String u = url;
foreach (Field f in _entityInst.GetFinderView().Fields)
{
String key = f.Name;
String value = IE[f] == null? "": IE[f].ToString();
if (_keys.ContainsKey(key))
{
u = u.Replace("{" + key + "}", value);
}
xmlelem3 = xmldoc.CreateElement("Field");
XmlAttribute attr = xmldoc.CreateAttribute("name");
attr.Value = key;
xmlelem3.Attributes.Append(attr);
xmlelem2.AppendChild(xmlelem3);
xmlelem3.AppendChild(xmldoc.CreateTextNode(value));
}
if (u != null)
{
xmlelem3 = xmldoc.CreateElement("U");
xmlelem2.AppendChild(xmlelem3);
xmlelem3.AppendChild(xmldoc.CreateTextNode(u));
}
}
return(toString(xmldoc));
}
//This method returns a strongly Typed entity based on an identifier
public BdcMachine GetMachine(int identifier)
{
IEntityInstance instance = GetBdcEntityInstance(identifier, "Machines");
return(new DataMapper <BdcMachine>(instance.EntityAsDataTable).Instance);
}
public IGroup GetGroup(IEntityInstance instance)
{
return (from _group in Groups
where _group.Id == instance.GroupId
select _group).FirstOrDefault();
}
