Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / Parameter.cs / 1305376 / Parameter.cs
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using Som = System.Data.EntityModel.SchemaObjectModel;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Xml;
using System.Data;
using System.Data.Metadata.Edm;
using System.Reflection;
using System.IO;
using System.Globalization;
using System.Text;
using System.Data.Entity;
namespace System.Data.EntityModel.SchemaObjectModel
{
///
/// Summary description for StructuredProperty.
///
internal class Parameter : FacetEnabledSchemaElement
{
#region Instance Fields
private ParameterDirection _parameterDirection = ParameterDirection.Input;
private CollectionKind _collectionKind = CollectionKind.None;
private ModelFunctionTypeElement _typeSubElement = null;
private bool _isRefType = false;
#endregion
#region constructor
///
///
///
///
internal Parameter(Function parentElement)
: base(parentElement)
{
_typeUsageBuilder = new TypeUsageBuilder(this);
}
#endregion
#region Public Properties
internal ParameterDirection ParameterDirection
{
get
{
return _parameterDirection;
}
}
internal CollectionKind CollectionKind
{
get
{
return _collectionKind;
}
set
{
_collectionKind = value;
}
}
internal bool IsRefType
{
get { return _isRefType; }
}
internal override TypeUsage TypeUsage
{
get
{
if (_typeSubElement != null)
{
return _typeSubElement.GetTypeUsage();
}
else if (base.TypeUsage == null)
{
return null;
}
else if (CollectionKind != CollectionKind.None)
{
return TypeUsage.Create(new CollectionType(base.TypeUsage));
}
else
{
return base.TypeUsage;
}
}
}
#endregion
new internal SchemaType Type
{
get
{
return _type;
}
}
internal void WriteIdentity(StringBuilder builder)
{
builder.Append("Parameter(");
if (UnresolvedType != null && !UnresolvedType.Trim().Equals(String.Empty))
{
if (_collectionKind != CollectionKind.None)
{
builder.Append("Collection(" + UnresolvedType + ")");
}
else if (_isRefType)
{
builder.Append("Ref(" + UnresolvedType + ")");
}
else
{
builder.Append(UnresolvedType);
}
}
else if (_typeSubElement!=null)
{
_typeSubElement.WriteIdentity(builder);
}
builder.Append(")");
}
internal override SchemaElement Clone(SchemaElement parentElement)
{
Parameter parameter = new Parameter((Function)parentElement);
parameter._collectionKind = _collectionKind;
parameter._parameterDirection = _parameterDirection;
parameter._type = _type;
parameter.Name = this.Name;
parameter._typeUsageBuilder = this._typeUsageBuilder;
return parameter;
}
internal bool ResolveNestedTypeNames(Converter.ConversionCache convertedItemCache, Dictionary newGlobalItems)
{
if (_typeSubElement == null)
{
return false;
}
return _typeSubElement.ResolveNameAndSetTypeUsage(convertedItemCache, newGlobalItems);
}
protected override bool HandleAttribute(XmlReader reader)
{
if (base.HandleAttribute(reader))
{
return true;
}
else if (CanHandleAttribute(reader, XmlConstants.TypeElement))
{
HandleTypeAttribute(reader);
return true;
}
else if (CanHandleAttribute(reader, XmlConstants.Mode))
{
HandleModeAttribute(reader);
return true;
}
else if (_typeUsageBuilder.HandleAttribute(reader))
{
return true;
}
return false;
}
#region Private Methods
private void HandleTypeAttribute(XmlReader reader)
{
Debug.Assert(reader != null);
Debug.Assert(UnresolvedType == null);
string type;
if (!Utils.GetString(Schema, reader, out type))
return;
TypeModifier typeModifier;
Function.RemoveTypeModifier(ref type, out typeModifier, out _isRefType);
switch (typeModifier)
{
case TypeModifier.Array:
CollectionKind = CollectionKind.Bag;
break;
default:
Debug.Assert(typeModifier == TypeModifier.None, string.Format(CultureInfo.CurrentCulture, "Type is not valid for property {0}: {1}. The modifier for the type cannot be used in this context.", FQName, reader.Value));
break;
}
if (!Utils.ValidateDottedName(Schema, reader, type))
return;
UnresolvedType = type;
}
private void HandleModeAttribute(XmlReader reader)
{
Debug.Assert(reader != null);
string value = reader.Value;
if (String.IsNullOrEmpty(value))
{
return;
}
value = value.Trim();
if (!String.IsNullOrEmpty(value))
{
switch (value)
{
case XmlConstants.In:
_parameterDirection = ParameterDirection.Input;
break;
case XmlConstants.Out:
_parameterDirection = ParameterDirection.Output;
break;
case XmlConstants.InOut:
_parameterDirection = ParameterDirection.InputOutput;
break;
default:
{
// don't try to identify the parameter by any of the attributes
// because we are still parsing attributes, and we don't know which ones
// have been parsed yet.
int index = ParentElement.Parameters.Count;
AddError(ErrorCode.BadParameterDirection, EdmSchemaErrorSeverity.Error, reader,
System.Data.Entity.Strings.BadParameterDirection(
value,
index,
this.ParentElement.Name,
this.ParentElement.ParentElement.FQName));
}
break;
}
}
}
protected override bool HandleElement(XmlReader reader)
{
if (base.HandleElement(reader))
{
return true;
}
else if (CanHandleElement(reader, XmlConstants.CollectionType))
{
HandleCollectionTypeElement(reader);
return true;
}
else if (CanHandleElement(reader, XmlConstants.ReferenceType))
{
HandleReferenceTypeElement(reader);
return true;
}
else if (CanHandleElement(reader, XmlConstants.TypeRef))
{
HandleTypeRefElement(reader);
return true;
}
else if (CanHandleElement(reader, XmlConstants.RowType))
{
HandleRowTypeElement(reader);
return true;
}
return false;
}
protected void HandleCollectionTypeElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new CollectionTypeElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
protected void HandleReferenceTypeElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new ReferenceTypeElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
protected void HandleTypeRefElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new TypeRefElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
protected void HandleRowTypeElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new RowTypeElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
#endregion
internal override void ResolveTopLevelNames()
{
if(_typeSubElement!=null)
{
_typeSubElement.ResolveTopLevelNames();
}
// Can't be "else if" because element could have attribute AND sub-element,
// in which case semantic validation won't work unless it has resolved both (so _type is not null)
if (_unresolvedType != null)
{
base.ResolveTopLevelNames();
}
}
internal void ValidateForModelFunction()
{
if (_type != null && _type is ScalarType == false && _typeUsageBuilder.HasUserDefinedFacets)
{
//Non-scalar parameter type should not have Facets
AddError(ErrorCode.ModelFuncionFacetOnNonScalarType, EdmSchemaErrorSeverity.Error, Strings.FacetsOnNonScalarType(_type.FQName));
}
if (_type == null && _typeUsageBuilder.HasUserDefinedFacets)
{
//Type attribute not specified but facets exist
AddError(ErrorCode.ModelFunctionIncorrectlyPlacedFacet, EdmSchemaErrorSeverity.Error, Strings.FacetDeclarationRequiresTypeAttribute);
}
if (_type == null && _typeSubElement == null)
{
//Type not declared as either attribute or subelement
AddError(ErrorCode.ModelFunctionTypeNotDeclared, EdmSchemaErrorSeverity.Error, Strings.TypeMustBeDeclared);
}
if (_type != null && _typeSubElement != null)
{
//Both attribute and sub-element declarations exist
AddError(ErrorCode.TypeDeclaredAsAttributeAndElement, EdmSchemaErrorSeverity.Error, Strings.TypeDeclaredAsAttributeAndElement);
}
if (_type != null && _isRefType && !(_type is SchemaEntityType))
{
//Ref type refers to non entity type
AddError(ErrorCode.ReferenceToNonEntityType, EdmSchemaErrorSeverity.Error, Strings.ReferenceToNonEntityType(_type.FQName));
}
if (_typeSubElement != null)
{
_typeSubElement.Validate();
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using Som = System.Data.EntityModel.SchemaObjectModel;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Xml;
using System.Data;
using System.Data.Metadata.Edm;
using System.Reflection;
using System.IO;
using System.Globalization;
using System.Text;
using System.Data.Entity;
namespace System.Data.EntityModel.SchemaObjectModel
{
///
/// Summary description for StructuredProperty.
///
internal class Parameter : FacetEnabledSchemaElement
{
#region Instance Fields
private ParameterDirection _parameterDirection = ParameterDirection.Input;
private CollectionKind _collectionKind = CollectionKind.None;
private ModelFunctionTypeElement _typeSubElement = null;
private bool _isRefType = false;
#endregion
#region constructor
///
///
///
///
internal Parameter(Function parentElement)
: base(parentElement)
{
_typeUsageBuilder = new TypeUsageBuilder(this);
}
#endregion
#region Public Properties
internal ParameterDirection ParameterDirection
{
get
{
return _parameterDirection;
}
}
internal CollectionKind CollectionKind
{
get
{
return _collectionKind;
}
set
{
_collectionKind = value;
}
}
internal bool IsRefType
{
get { return _isRefType; }
}
internal override TypeUsage TypeUsage
{
get
{
if (_typeSubElement != null)
{
return _typeSubElement.GetTypeUsage();
}
else if (base.TypeUsage == null)
{
return null;
}
else if (CollectionKind != CollectionKind.None)
{
return TypeUsage.Create(new CollectionType(base.TypeUsage));
}
else
{
return base.TypeUsage;
}
}
}
#endregion
new internal SchemaType Type
{
get
{
return _type;
}
}
internal void WriteIdentity(StringBuilder builder)
{
builder.Append("Parameter(");
if (UnresolvedType != null && !UnresolvedType.Trim().Equals(String.Empty))
{
if (_collectionKind != CollectionKind.None)
{
builder.Append("Collection(" + UnresolvedType + ")");
}
else if (_isRefType)
{
builder.Append("Ref(" + UnresolvedType + ")");
}
else
{
builder.Append(UnresolvedType);
}
}
else if (_typeSubElement!=null)
{
_typeSubElement.WriteIdentity(builder);
}
builder.Append(")");
}
internal override SchemaElement Clone(SchemaElement parentElement)
{
Parameter parameter = new Parameter((Function)parentElement);
parameter._collectionKind = _collectionKind;
parameter._parameterDirection = _parameterDirection;
parameter._type = _type;
parameter.Name = this.Name;
parameter._typeUsageBuilder = this._typeUsageBuilder;
return parameter;
}
internal bool ResolveNestedTypeNames(Converter.ConversionCache convertedItemCache, Dictionary newGlobalItems)
{
if (_typeSubElement == null)
{
return false;
}
return _typeSubElement.ResolveNameAndSetTypeUsage(convertedItemCache, newGlobalItems);
}
protected override bool HandleAttribute(XmlReader reader)
{
if (base.HandleAttribute(reader))
{
return true;
}
else if (CanHandleAttribute(reader, XmlConstants.TypeElement))
{
HandleTypeAttribute(reader);
return true;
}
else if (CanHandleAttribute(reader, XmlConstants.Mode))
{
HandleModeAttribute(reader);
return true;
}
else if (_typeUsageBuilder.HandleAttribute(reader))
{
return true;
}
return false;
}
#region Private Methods
private void HandleTypeAttribute(XmlReader reader)
{
Debug.Assert(reader != null);
Debug.Assert(UnresolvedType == null);
string type;
if (!Utils.GetString(Schema, reader, out type))
return;
TypeModifier typeModifier;
Function.RemoveTypeModifier(ref type, out typeModifier, out _isRefType);
switch (typeModifier)
{
case TypeModifier.Array:
CollectionKind = CollectionKind.Bag;
break;
default:
Debug.Assert(typeModifier == TypeModifier.None, string.Format(CultureInfo.CurrentCulture, "Type is not valid for property {0}: {1}. The modifier for the type cannot be used in this context.", FQName, reader.Value));
break;
}
if (!Utils.ValidateDottedName(Schema, reader, type))
return;
UnresolvedType = type;
}
private void HandleModeAttribute(XmlReader reader)
{
Debug.Assert(reader != null);
string value = reader.Value;
if (String.IsNullOrEmpty(value))
{
return;
}
value = value.Trim();
if (!String.IsNullOrEmpty(value))
{
switch (value)
{
case XmlConstants.In:
_parameterDirection = ParameterDirection.Input;
break;
case XmlConstants.Out:
_parameterDirection = ParameterDirection.Output;
break;
case XmlConstants.InOut:
_parameterDirection = ParameterDirection.InputOutput;
break;
default:
{
// don't try to identify the parameter by any of the attributes
// because we are still parsing attributes, and we don't know which ones
// have been parsed yet.
int index = ParentElement.Parameters.Count;
AddError(ErrorCode.BadParameterDirection, EdmSchemaErrorSeverity.Error, reader,
System.Data.Entity.Strings.BadParameterDirection(
value,
index,
this.ParentElement.Name,
this.ParentElement.ParentElement.FQName));
}
break;
}
}
}
protected override bool HandleElement(XmlReader reader)
{
if (base.HandleElement(reader))
{
return true;
}
else if (CanHandleElement(reader, XmlConstants.CollectionType))
{
HandleCollectionTypeElement(reader);
return true;
}
else if (CanHandleElement(reader, XmlConstants.ReferenceType))
{
HandleReferenceTypeElement(reader);
return true;
}
else if (CanHandleElement(reader, XmlConstants.TypeRef))
{
HandleTypeRefElement(reader);
return true;
}
else if (CanHandleElement(reader, XmlConstants.RowType))
{
HandleRowTypeElement(reader);
return true;
}
return false;
}
protected void HandleCollectionTypeElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new CollectionTypeElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
protected void HandleReferenceTypeElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new ReferenceTypeElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
protected void HandleTypeRefElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new TypeRefElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
protected void HandleRowTypeElement(XmlReader reader)
{
Debug.Assert(reader != null);
var subElement = new RowTypeElement(this);
subElement.Parse(reader);
_typeSubElement = subElement;
}
#endregion
internal override void ResolveTopLevelNames()
{
if(_typeSubElement!=null)
{
_typeSubElement.ResolveTopLevelNames();
}
// Can't be "else if" because element could have attribute AND sub-element,
// in which case semantic validation won't work unless it has resolved both (so _type is not null)
if (_unresolvedType != null)
{
base.ResolveTopLevelNames();
}
}
internal void ValidateForModelFunction()
{
if (_type != null && _type is ScalarType == false && _typeUsageBuilder.HasUserDefinedFacets)
{
//Non-scalar parameter type should not have Facets
AddError(ErrorCode.ModelFuncionFacetOnNonScalarType, EdmSchemaErrorSeverity.Error, Strings.FacetsOnNonScalarType(_type.FQName));
}
if (_type == null && _typeUsageBuilder.HasUserDefinedFacets)
{
//Type attribute not specified but facets exist
AddError(ErrorCode.ModelFunctionIncorrectlyPlacedFacet, EdmSchemaErrorSeverity.Error, Strings.FacetDeclarationRequiresTypeAttribute);
}
if (_type == null && _typeSubElement == null)
{
//Type not declared as either attribute or subelement
AddError(ErrorCode.ModelFunctionTypeNotDeclared, EdmSchemaErrorSeverity.Error, Strings.TypeMustBeDeclared);
}
if (_type != null && _typeSubElement != null)
{
//Both attribute and sub-element declarations exist
AddError(ErrorCode.TypeDeclaredAsAttributeAndElement, EdmSchemaErrorSeverity.Error, Strings.TypeDeclaredAsAttributeAndElement);
}
if (_type != null && _isRefType && !(_type is SchemaEntityType))
{
//Ref type refers to non entity type
AddError(ErrorCode.ReferenceToNonEntityType, EdmSchemaErrorSeverity.Error, Strings.ReferenceToNonEntityType(_type.FQName));
}
if (_typeSubElement != null)
{
_typeSubElement.Validate();
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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