|
public static GetDefinitionNamePropertyInfo ( |
||
| metaDataType | ||
| return | ||
/// <exclude />
public static IEnumerable <IData> GetMetaData(string definitionName, Type metaDataType)
{
Verify.ArgumentNotNull(definitionName, nameof(definitionName));
Verify.ArgumentNotNull(metaDataType, nameof(metaDataType));
var parameterExpression = Expression.Parameter(metaDataType);
var lambdaExpression = Expression.Lambda(
Expression.Equal(
Expression.Property(
parameterExpression,
PageMetaDataFacade.GetDefinitionNamePropertyInfo(metaDataType)
),
Expression.Constant(
definitionName,
typeof(string)
)
),
parameterExpression
);
var whereExpression = ExpressionCreator.Where(DataFacade.GetData(metaDataType).Expression, lambdaExpression);
IEnumerable <IData> datas = ExpressionHelper.GetCastedObjects <IData>(metaDataType, whereExpression);
return(datas);
}
/// <exclude />
public static IEnumerable <IData> GetMetaData(string definitionName, Type metaDataType)
{
//TODO: Consider caching here
ParameterExpression parameterExpression = Expression.Parameter(metaDataType);
LambdaExpression lambdaExpression = Expression.Lambda(
Expression.Equal(
Expression.Property(
parameterExpression,
PageMetaDataFacade.GetDefinitionNamePropertyInfo(metaDataType)
),
Expression.Constant(
definitionName,
typeof(string)
)
),
parameterExpression
);
Expression whereExpression = ExpressionCreator.Where(DataFacade.GetData(metaDataType).Expression, lambdaExpression);
IEnumerable <IData> datas = ExpressionHelper.GetCastedObjects <IData>(metaDataType, whereExpression);
return(datas);
}
/// <exclude />
public static IData GetMetaData(Guid pageId, Guid pageVersionId, string definitionName, Type metaDataType)
{
Verify.ArgumentNotNull(definitionName, nameof(definitionName));
Verify.ArgumentNotNull(metaDataType, nameof(metaDataType));
//TODO: Consider caching here
var parameterExpression = Expression.Parameter(metaDataType);
var lambdaExpression = Expression.Lambda(
Expression.And(
Expression.And(
Expression.Equal(
Expression.Property(
parameterExpression,
PageMetaDataFacade.GetDefinitionNamePropertyInfo(metaDataType)
),
Expression.Constant(
definitionName,
typeof(string)
)
),
Expression.Equal(
Expression.Property(
parameterExpression,
GetDefinitionPageReferencePropertyInfo(metaDataType)
),
Expression.Constant(
pageId,
typeof(Guid)
)
)
),
Expression.Equal(
Expression.Property(
parameterExpression,
GetDefinitionPageReferencePropertyVersionInfo(metaDataType)
),
Expression.Constant(
pageVersionId,
typeof(Guid)
)
)
),
parameterExpression
);
Expression whereExpression = ExpressionCreator.Where(DataFacade.GetData(metaDataType).Expression, lambdaExpression);
IEnumerable <IData> dataset = ExpressionHelper.GetCastedObjects <IData>(metaDataType, whereExpression);
return(dataset.SingleOrDefaultOrException("There're multiple meta data on a page. Page '{0}', definition name '{1}', meta type '{2}'",
pageId, definitionName, metaDataType.FullName));
}
