/// <summary>
///
/// </summary>
/// <param name="b"></param>
/// <returns></returns>
protected override Expression VisitBinary(BinaryExpression b)
{
LinqTridionAndOr currentLocalCriteriaNode = null;
ExpressionType currentLocalExpressionType = ExpressionType.Add;
if (b.Left is MemberExpression)
{
if (criteriaNodes == null)
{
// We have a single where without AndAlso or OrElse if criteriaNodes is empty
criteriaNodes = new LinqTridionAnd();
currentCriteriaNode = criteriaNodes;
}
// CategorizationCriteria
// KeywordCriteria
switch (((MemberExpression)b.Left).Member.Name)
{
case "IsMultimedia":
currentCriteriaNode.AddCriteria(new tridion.MultimediaCriteria((bool)((ConstantExpression)b.Right).Value));
break;
case "BinaryType":
currentCriteriaNode.AddCriteria(new tridion.BinaryTypeCriteria((string)((ConstantExpression)b.Right).Value));
break;
case "CategoryName":
currentCriteriaNode.AddCriteria(new tridion.CategoryCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemId":
currentCriteriaNode.AddCriteria(new tridion.ItemReferenceCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemSchemaId":
currentCriteriaNode.AddCriteria(new tridion.ItemSchemaCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemTemplateId":
currentCriteriaNode.AddCriteria(new tridion.ItemTemplateCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemTitle":
currentCriteriaNode.AddCriteria(new tridion.ItemTitleCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemType":
currentCriteriaNode.AddCriteria(new tridion.ItemTypeCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemCreationDate":
currentCriteriaNode.AddCriteria(new tridion.ItemCreationDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemInitialPublishDate":
currentCriteriaNode.AddCriteria(new tridion.ItemInitialPublishDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemLastPublishedDate":
currentCriteriaNode.AddCriteria(new tridion.ItemLastPublishedDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemModificationDate":
currentCriteriaNode.AddCriteria(new tridion.ItemModificationDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PageTemplateId":
currentCriteriaNode.AddCriteria(new tridion.PageTemplateCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "PageURL":
currentCriteriaNode.AddCriteria(new tridion.PageURLCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationId":
currentCriteriaNode.AddCriteria(new tridion.PublicationCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "PublicationKey":
currentCriteriaNode.AddCriteria(new tridion.PublicationKeyCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationMultimediaPath":
currentCriteriaNode.AddCriteria(new tridion.PublicationMultimediaPathCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationMultimediaURL":
currentCriteriaNode.AddCriteria(new tridion.PublicationMultimediaURLCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationPath":
currentCriteriaNode.AddCriteria(new tridion.PublicationPathCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationTitle":
currentCriteriaNode.AddCriteria(new tridion.PublicationTitleCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationURL":
currentCriteriaNode.AddCriteria(new tridion.PublicationURLCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "SchemaTitle":
currentCriteriaNode.AddCriteria(new tridion.SchemaTitleCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "StructureGroupUri":
IStructureGroupUri sgu = (StructureGroupUri)((ConstantExpression)b.Right).Value;
currentCriteriaNode.AddCriteria(new tridion.StructureGroupCriteria(sgu.Uri, sgu.IncludeChild));
break;
case "StructureGroupDirectory":
IStructureGroupDirectory sgd = (StructureGroupDirectory)((ConstantExpression)b.Right).Value;
currentCriteriaNode.AddCriteria(new tridion.StructureGroupDirectoryCriteria(sgd.Directory, sgd.Operator ?? tridion.Criteria.Equal, sgd.IncludeChild));
break;
case "StructureGroupTitle":
IStructureGroupTitle sgt = (StructureGroupTitle)((ConstantExpression)b.Right).Value;
currentCriteriaNode.AddCriteria(new tridion.StructureGroupTitleCriteria(sgt.Title, sgt.Operator ?? tridion.Criteria.Equal, sgt.IncludeChild));
break;
case "TaxonomyUsedForIdentification":
currentCriteriaNode.AddCriteria(new tridion.TaxonomyUsedForIdentificationCriteria((bool)((ConstantExpression)b.Right).Value));
break;
case "TaxonomyUri":
currentCriteriaNode.AddCriteria(new tridion.TaxonomyCriteria((string)((ConstantExpression)b.Right).Value));
break;
case "TaxonomyKeyword":
ITaxonomyKeyword tk = (TaxonomyKeyword)((ConstantExpression)b.Right).Value;
if(tk.PublicationId != null && tk.TaxonomyId != null && tk.KeywordId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordCriteria(tk.PublicationId.Value, tk.TaxonomyId.Value, tk.KeywordId.Value, tk.IncludeKeywordBranch));
}
else if(!string.IsNullOrEmpty(tk.TaxonomyUri) && !string.IsNullOrEmpty(tk.KeywordUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordCriteria(tk.TaxonomyUri, tk.KeywordUri, tk.IncludeKeywordBranch));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId and KeywordId) or all the string variables (TaxonomyUri and KeywordUri) to create a correct KeywordCriteria");
}
break;
case "TaxonomyKeywordDescription":
ITaxonomyKeywordDescription tkd = (TaxonomyKeywordDescription)((ConstantExpression)b.Right).Value;
if(tkd.PublicationId != null && tkd.TaxonomyId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordDescriptionCriteria(tkd.PublicationId.Value, tkd.TaxonomyId.Value, tkd.KeywordDescription, tkd.IncludeKeywordBranch, tkd.Operator ?? tridion.Criteria.Equal));
}
else if(!string.IsNullOrEmpty(tkd.TaxonomyUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordDescriptionCriteria(tkd.TaxonomyUri, tkd.KeywordDescription, tkd.IncludeKeywordBranch, tkd.Operator ?? tridion.Criteria.Equal));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId) or all the string variable (TaxonomyUri) to create a correct KeywordCriteria");
}
break;
case "TaxonomyKeywordKey":
ITaxonomyKeywordKey tkk = (TaxonomyKeywordKey)((ConstantExpression)b.Right).Value;
if(tkk.PublicationId != null && tkk.TaxonomyId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordKeyCriteria(tkk.PublicationId.Value, tkk.TaxonomyId.Value, tkk.KeywordKey, tkk.IncludeKeywordBranch, tkk.Operator ?? tridion.Criteria.Equal));
}
else if(!string.IsNullOrEmpty(tkk.TaxonomyUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordKeyCriteria(tkk.TaxonomyUri, tkk.KeywordKey, tkk.IncludeKeywordBranch, tkk.Operator ?? tridion.Criteria.Equal));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId) or all the string variable (TaxonomyUri) to create a correct KeywordCriteria");
}
break;
case "TaxonomyKeywordName":
ITaxonomyKeywordName tkn = (TaxonomyKeywordName)((ConstantExpression)b.Right).Value;
if(tkn.PublicationId != null && tkn.TaxonomyId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordNameCriteria(tkn.PublicationId.Value, tkn.TaxonomyId.Value, tkn.KeywordName, tkn.IncludeKeywordBranch, tkn.Operator ?? tridion.Criteria.Equal));
}
else if(!string.IsNullOrEmpty(tkn.TaxonomyUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordNameCriteria(tkn.TaxonomyUri, tkn.KeywordName, tkn.IncludeKeywordBranch, tkn.Operator ?? tridion.Criteria.Equal));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId) or all the string variable (TaxonomyUri) to create a correct KeywordCriteria");
}
break;
default:
// It is a Custom Metadata Field
if (CheckMemberAttributes(((MemberExpression)b.Left).Member))
{
// Determine type of field
tridion.CustomMetaValueCriteria CustomMetadataCriteria = null;
switch (Type.GetTypeCode(((ConstantExpression)b.Right).Value.GetType()))
{
case TypeCode.DateTime:
CustomMetadataCriteria = new tridion.CustomMetaValueCriteria(new tridion.CustomMetaKeyCriteria(((MemberExpression)b.Left).Member.Name), (DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType));
break;
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.Single:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
CustomMetadataCriteria = new tridion.CustomMetaValueCriteria(new tridion.CustomMetaKeyCriteria(((MemberExpression)b.Left).Member.Name), (float)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType));
break;
case TypeCode.String:
CustomMetadataCriteria = new tridion.CustomMetaValueCriteria(new tridion.CustomMetaKeyCriteria(((MemberExpression)b.Left).Member.Name), (string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType));
break;
default:
break;
}
if (CustomMetadataCriteria != null)
{
currentCriteriaNode.AddCriteria(CustomMetadataCriteria);
}
}
break;
}
}
else
{
switch (b.NodeType)
{
case ExpressionType.AndAlso:
if (currentExpressionType != b.NodeType)
{
if (criteriaNodes == null)
{
criteriaNodes = new LinqTridionAnd();
currentCriteriaNode = criteriaNodes;
}
else
{
currentCriteriaNode = criteriaNodes.AddChildCriteria(new LinqTridionAnd());
}
currentLocalCriteriaNode = currentCriteriaNode;
currentLocalExpressionType = b.NodeType;
currentExpressionType = b.NodeType;
}
break;
case ExpressionType.OrElse:
if (currentExpressionType != b.NodeType)
{
if (criteriaNodes == null)
{
criteriaNodes = new LinqTridionOr();
currentCriteriaNode = criteriaNodes;
}
else
{
currentCriteriaNode = criteriaNodes.AddChildCriteria(new LinqTridionOr());
}
currentLocalCriteriaNode = currentCriteriaNode;
currentLocalExpressionType = b.NodeType;
currentExpressionType = b.NodeType;
}
break;
case ExpressionType.Equal:
break;
case ExpressionType.NotEqual:
break;
case ExpressionType.LessThan:
break;
case ExpressionType.LessThanOrEqual:
break;
case ExpressionType.GreaterThan:
break;
case ExpressionType.GreaterThanOrEqual:
break;
default:
throw new NotSupportedException(string.Format("The binary operator '{0}' is not supported", b.NodeType));
}
this.Visit(b.Left);
if (currentLocalCriteriaNode != null)
{
currentCriteriaNode = currentLocalCriteriaNode;
currentExpressionType = currentLocalExpressionType;
}
this.Visit(b.Right);
}
return b;
}
/// <summary>
///
/// </summary>
/// <param name="b"></param>
/// <returns></returns>
protected override Expression VisitBinary(BinaryExpression b)
{
LinqTridionAndOr currentLocalCriteriaNode = null;
ExpressionType currentLocalExpressionType = ExpressionType.Add;
if (b.Left is MemberExpression)
{
if (criteriaNodes == null)
{
// We have a single where without AndAlso or OrElse if criteriaNodes is empty
criteriaNodes = new LinqTridionAnd();
currentCriteriaNode = criteriaNodes;
}
// CategorizationCriteria
// KeywordCriteria
switch (((MemberExpression)b.Left).Member.Name)
{
case "IsMultimedia":
currentCriteriaNode.AddCriteria(new tridion.MultimediaCriteria((bool)((ConstantExpression)b.Right).Value));
break;
case "BinaryType":
currentCriteriaNode.AddCriteria(new tridion.BinaryTypeCriteria((string)((ConstantExpression)b.Right).Value));
break;
case "CategoryName":
currentCriteriaNode.AddCriteria(new tridion.CategoryCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemId":
currentCriteriaNode.AddCriteria(new tridion.ItemReferenceCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemSchemaId":
currentCriteriaNode.AddCriteria(new tridion.ItemSchemaCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemTemplateId":
currentCriteriaNode.AddCriteria(new tridion.ItemTemplateCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemTitle":
currentCriteriaNode.AddCriteria(new tridion.ItemTitleCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemType":
currentCriteriaNode.AddCriteria(new tridion.ItemTypeCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "ItemCreationDate":
currentCriteriaNode.AddCriteria(new tridion.ItemCreationDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemInitialPublishDate":
currentCriteriaNode.AddCriteria(new tridion.ItemInitialPublishDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemLastPublishedDate":
currentCriteriaNode.AddCriteria(new tridion.ItemLastPublishedDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "ItemModificationDate":
currentCriteriaNode.AddCriteria(new tridion.ItemModificationDateCriteria((DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PageTemplateId":
currentCriteriaNode.AddCriteria(new tridion.PageTemplateCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "PageURL":
currentCriteriaNode.AddCriteria(new tridion.PageURLCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationId":
currentCriteriaNode.AddCriteria(new tridion.PublicationCriteria((int)((ConstantExpression)b.Right).Value));
break;
case "PublicationKey":
currentCriteriaNode.AddCriteria(new tridion.PublicationKeyCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationMultimediaPath":
currentCriteriaNode.AddCriteria(new tridion.PublicationMultimediaPathCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationMultimediaURL":
currentCriteriaNode.AddCriteria(new tridion.PublicationMultimediaURLCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationPath":
currentCriteriaNode.AddCriteria(new tridion.PublicationPathCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationTitle":
currentCriteriaNode.AddCriteria(new tridion.PublicationTitleCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "PublicationURL":
currentCriteriaNode.AddCriteria(new tridion.PublicationURLCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "SchemaTitle":
currentCriteriaNode.AddCriteria(new tridion.SchemaTitleCriteria((string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType)));
break;
case "StructureGroupUri":
IStructureGroupUri sgu = (StructureGroupUri)((ConstantExpression)b.Right).Value;
currentCriteriaNode.AddCriteria(new tridion.StructureGroupCriteria(sgu.Uri, sgu.IncludeChild));
break;
case "StructureGroupDirectory":
IStructureGroupDirectory sgd = (StructureGroupDirectory)((ConstantExpression)b.Right).Value;
currentCriteriaNode.AddCriteria(new tridion.StructureGroupDirectoryCriteria(sgd.Directory, sgd.Operator ?? tridion.Criteria.Equal, sgd.IncludeChild));
break;
case "StructureGroupTitle":
IStructureGroupTitle sgt = (StructureGroupTitle)((ConstantExpression)b.Right).Value;
currentCriteriaNode.AddCriteria(new tridion.StructureGroupTitleCriteria(sgt.Title, sgt.Operator ?? tridion.Criteria.Equal, sgt.IncludeChild));
break;
case "TaxonomyUsedForIdentification":
currentCriteriaNode.AddCriteria(new tridion.TaxonomyUsedForIdentificationCriteria((bool)((ConstantExpression)b.Right).Value));
break;
case "TaxonomyUri":
currentCriteriaNode.AddCriteria(new tridion.TaxonomyCriteria((string)((ConstantExpression)b.Right).Value));
break;
case "TaxonomyKeyword":
ITaxonomyKeyword tk = (TaxonomyKeyword)((ConstantExpression)b.Right).Value;
if (tk.PublicationId != null && tk.TaxonomyId != null && tk.KeywordId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordCriteria(tk.PublicationId.Value, tk.TaxonomyId.Value, tk.KeywordId.Value, tk.IncludeKeywordBranch));
}
else if (!string.IsNullOrEmpty(tk.TaxonomyUri) && !string.IsNullOrEmpty(tk.KeywordUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordCriteria(tk.TaxonomyUri, tk.KeywordUri, tk.IncludeKeywordBranch));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId and KeywordId) or all the string variables (TaxonomyUri and KeywordUri) to create a correct KeywordCriteria");
}
break;
case "TaxonomyKeywordDescription":
ITaxonomyKeywordDescription tkd = (TaxonomyKeywordDescription)((ConstantExpression)b.Right).Value;
if (tkd.PublicationId != null && tkd.TaxonomyId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordDescriptionCriteria(tkd.PublicationId.Value, tkd.TaxonomyId.Value, tkd.KeywordDescription, tkd.IncludeKeywordBranch, tkd.Operator ?? tridion.Criteria.Equal));
}
else if (!string.IsNullOrEmpty(tkd.TaxonomyUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordDescriptionCriteria(tkd.TaxonomyUri, tkd.KeywordDescription, tkd.IncludeKeywordBranch, tkd.Operator ?? tridion.Criteria.Equal));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId) or all the string variable (TaxonomyUri) to create a correct KeywordCriteria");
}
break;
case "TaxonomyKeywordKey":
ITaxonomyKeywordKey tkk = (TaxonomyKeywordKey)((ConstantExpression)b.Right).Value;
if (tkk.PublicationId != null && tkk.TaxonomyId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordKeyCriteria(tkk.PublicationId.Value, tkk.TaxonomyId.Value, tkk.KeywordKey, tkk.IncludeKeywordBranch, tkk.Operator ?? tridion.Criteria.Equal));
}
else if (!string.IsNullOrEmpty(tkk.TaxonomyUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordKeyCriteria(tkk.TaxonomyUri, tkk.KeywordKey, tkk.IncludeKeywordBranch, tkk.Operator ?? tridion.Criteria.Equal));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId) or all the string variable (TaxonomyUri) to create a correct KeywordCriteria");
}
break;
case "TaxonomyKeywordName":
ITaxonomyKeywordName tkn = (TaxonomyKeywordName)((ConstantExpression)b.Right).Value;
if (tkn.PublicationId != null && tkn.TaxonomyId != null)
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordNameCriteria(tkn.PublicationId.Value, tkn.TaxonomyId.Value, tkn.KeywordName, tkn.IncludeKeywordBranch, tkn.Operator ?? tridion.Criteria.Equal));
}
else if (!string.IsNullOrEmpty(tkn.TaxonomyUri))
{
currentCriteriaNode.AddCriteria(new tridion.TaxonomyKeywordNameCriteria(tkn.TaxonomyUri, tkn.KeywordName, tkn.IncludeKeywordBranch, tkn.Operator ?? tridion.Criteria.Equal));
}
else
{
throw new NotSupportedException("Use either all the integer variables (PublicationId, TaxonomyId) or all the string variable (TaxonomyUri) to create a correct KeywordCriteria");
}
break;
default:
// It is a Custom Metadata Field
if (CheckMemberAttributes(((MemberExpression)b.Left).Member))
{
// Determine type of field
tridion.CustomMetaValueCriteria CustomMetadataCriteria = null;
switch (Type.GetTypeCode(((ConstantExpression)b.Right).Value.GetType()))
{
case TypeCode.DateTime:
CustomMetadataCriteria = new tridion.CustomMetaValueCriteria(new tridion.CustomMetaKeyCriteria(((MemberExpression)b.Left).Member.Name), (DateTime)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType));
break;
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.Single:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
CustomMetadataCriteria = new tridion.CustomMetaValueCriteria(new tridion.CustomMetaKeyCriteria(((MemberExpression)b.Left).Member.Name), (float)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType));
break;
case TypeCode.String:
CustomMetadataCriteria = new tridion.CustomMetaValueCriteria(new tridion.CustomMetaKeyCriteria(((MemberExpression)b.Left).Member.Name), (string)((ConstantExpression)b.Right).Value, DetermineTridionFieldOperator(b.NodeType));
break;
default:
break;
}
if (CustomMetadataCriteria != null)
{
currentCriteriaNode.AddCriteria(CustomMetadataCriteria);
}
}
break;
}
}
else
{
switch (b.NodeType)
{
case ExpressionType.AndAlso:
if (currentExpressionType != b.NodeType)
{
if (criteriaNodes == null)
{
criteriaNodes = new LinqTridionAnd();
currentCriteriaNode = criteriaNodes;
}
else
{
currentCriteriaNode = criteriaNodes.AddChildCriteria(new LinqTridionAnd());
}
currentLocalCriteriaNode = currentCriteriaNode;
currentLocalExpressionType = b.NodeType;
currentExpressionType = b.NodeType;
}
break;
case ExpressionType.OrElse:
if (currentExpressionType != b.NodeType)
{
if (criteriaNodes == null)
{
criteriaNodes = new LinqTridionOr();
currentCriteriaNode = criteriaNodes;
}
else
{
currentCriteriaNode = criteriaNodes.AddChildCriteria(new LinqTridionOr());
}
currentLocalCriteriaNode = currentCriteriaNode;
currentLocalExpressionType = b.NodeType;
currentExpressionType = b.NodeType;
}
break;
case ExpressionType.Equal:
break;
case ExpressionType.NotEqual:
break;
case ExpressionType.LessThan:
break;
case ExpressionType.LessThanOrEqual:
break;
case ExpressionType.GreaterThan:
break;
case ExpressionType.GreaterThanOrEqual:
break;
default:
throw new NotSupportedException(string.Format("The binary operator '{0}' is not supported", b.NodeType));
}
this.Visit(b.Left);
if (currentLocalCriteriaNode != null)
{
currentCriteriaNode = currentLocalCriteriaNode;
currentExpressionType = currentLocalExpressionType;
}
this.Visit(b.Right);
}
return(b);
}