示例#1
0
        /// <summary>Obtain binding info corresponding to a given type</summary>
        /// <param name="entityType">Type for which to obtain information</param>
        /// <param name="model">The client model.</param>
        /// <returns>Info about the <paramref name="entityType"/></returns>
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType, ClientEdmModel model)
        {
            BindingEntityInfoPerType bindingEntityInfo;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
                {
                    return(bindingEntityInfo);
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }

            bindingEntityInfo = new BindingEntityInfoPerType();

            // Try to get the entity set name from the EntitySetAttribute attributes. In order to make the
            // inheritance work, we need to look at the attributes declared in the base types also.
            // EntitySetAttribute does not allow multiples, so there can be at most 1 instance on the type.
            EntitySetAttribute entitySetAttribute = (EntitySetAttribute)entityType.GetCustomAttributes(typeof(EntitySetAttribute), true).SingleOrDefault();

            // There must be exactly one (unambiguous) EntitySetAttribute attribute.
            bindingEntityInfo.EntitySet  = entitySetAttribute != null ? entitySetAttribute.EntitySet : null;
            bindingEntityInfo.ClientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityType));

            foreach (ClientPropertyAnnotation p in bindingEntityInfo.ClientType.Properties())
            {
                BindingPropertyInfo bpi = null;
                Type propertyType       = p.PropertyType;

                if (p.IsStreamLinkProperty)
                {
                    // DataServiceStreamLink is not mutable externally
                    // It implements INPC to notify controls about our updates
                    // We should ignore its events since we are the only one updating it.
                    continue;
                }
                else if (p.IsPrimitiveOrEnumOrComplexCollection)
                {
                    Debug.Assert(!BindingEntityInfo.IsDataServiceCollection(propertyType, model), "DataServiceCollection cannot be the type that backs collections of primitives or complex types.");
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection
                    };
                }
                else if (p.IsEntityCollection)
                {
                    if (BindingEntityInfo.IsDataServiceCollection(propertyType, model))
                    {
                        bpi = new BindingPropertyInfo {
                            PropertyKind = BindingPropertyKind.BindingPropertyKindDataServiceCollection
                        };
                    }
                }
                else if (BindingEntityInfo.IsEntityType(propertyType, model))
                {
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindEntity
                    };
                }
                else if (BindingEntityInfo.CanBeComplexType(propertyType))
                {
                    // Add complex types and nothing else.
                    Debug.Assert(!p.IsKnownType, "Known types do not implement INotifyPropertyChanged.");
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindComplex
                    };
                }

                if (bpi != null)
                {
                    bpi.PropertyInfo = p;

                    // For entity types, all of the above types of properties are interesting.
                    // For complex types, only observe collections and complex type properties.
                    if (bindingEntityInfo.ClientType.IsEntityType ||
                        bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex ||
                        bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection)
                    {
                        bindingEntityInfo.ObservableProperties.Add(bpi);
                    }
                }
            }

            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }

            return(bindingEntityInfo);
        }
示例#2
0
        /// <summary>Obtain binding info corresponding to a given type</summary>
        /// <param name="entityType">Type for which to obtain information</param>
        /// <param name="model">The client model.</param>
        /// <returns>Info about the <paramref name="entityType"/></returns>
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType, ClientEdmModel model)
        {
            BindingEntityInfoPerType bindingEntityInfo;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
                {
                    return bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }

            bindingEntityInfo = new BindingEntityInfoPerType();

            // Try to get the entity set name from the EntitySetAttribute attributes. In order to make the
            // inheritance work, we need to look at the attributes declared in the base types also.
            // EntitySetAttribute does not allow multiples, so there can be at most 1 instance on the type.
            EntitySetAttribute entitySetAttribute = (EntitySetAttribute)entityType.GetCustomAttributes(typeof(EntitySetAttribute), true).SingleOrDefault();

            // There must be exactly one (unambiguous) EntitySetAttribute attribute.
            bindingEntityInfo.EntitySet = entitySetAttribute != null ? entitySetAttribute.EntitySet : null;
            bindingEntityInfo.ClientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityType));

            foreach (ClientPropertyAnnotation p in bindingEntityInfo.ClientType.Properties())
            {
                BindingPropertyInfo bpi = null;
                Type propertyType = p.PropertyType;

                if (p.IsStreamLinkProperty)
                {
                    // DataServiceStreamLink is not mutable externally
                    // It implements INPC to notify controls about our updates
                    // We should ignore its events since we are the only one updating it.
                    continue;
                }
                else if (p.IsPrimitiveOrEnumOrComplexCollection)
                {
                    Debug.Assert(!BindingEntityInfo.IsDataServiceCollection(propertyType, model), "DataServiceCollection cannot be the type that backs collections of primitives or complex types.");
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection };
                }
                else if (p.IsEntityCollection)
                {
                    if (BindingEntityInfo.IsDataServiceCollection(propertyType, model))
                    {
                        bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindDataServiceCollection };
                    }
                }
                else if (BindingEntityInfo.IsEntityType(propertyType, model))
                {
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindEntity };
                }
                else if (BindingEntityInfo.CanBeComplexType(propertyType))
                {
                    // Add complex types and nothing else.
                    Debug.Assert(!p.IsKnownType, "Known types do not implement INotifyPropertyChanged.");
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindComplex };
                }

                if (bpi != null)
                {
                    bpi.PropertyInfo = p;

                    // For entity types, all of the above types of properties are interesting.
                    // For complex types, only observe collections and complex type properties.
                    if (bindingEntityInfo.ClientType.IsEntityType ||
                        bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex ||
                        bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection)
                    {
                        bindingEntityInfo.ObservableProperties.Add(bpi);
                    }
                }
            }

            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }

            return bindingEntityInfo;
        }
        /// <summary>Obtain binding info corresponding to a given type</summary>
        /// <param name="entityType">Type for which to obtain information</param>
        /// <returns>Info about the <paramref name="entityType"/></returns>
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType)
        {
            BindingEntityInfoPerType bindingEntityInfo;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
                {
                    return(bindingEntityInfo);
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }

            bindingEntityInfo = new BindingEntityInfoPerType();

            // Try to get the entity set name from the EntitySetAttribute attributes. In order to make the
            // inheritance work, we need to look at the attributes declared in the base types also.
            object[] attributes = entityType.GetCustomAttributes(typeof(EntitySetAttribute), true);

            // There must be exactly one (unambiguous) EntitySetAttribute attribute.
            bindingEntityInfo.EntitySet  = (attributes != null && attributes.Length == 1) ? ((EntitySetAttribute)attributes[0]).EntitySet : null;
            bindingEntityInfo.ClientType = ClientType.Create(entityType);

            foreach (ClientType.ClientProperty p in bindingEntityInfo.ClientType.Properties)
            {
                BindingPropertyInfo bpi = null;

                Type propertyType = p.PropertyType;

                if (p.CollectionType != null)
                {
                    if (BindingEntityInfo.IsDataServiceCollection(propertyType))
                    {
                        bpi = new BindingPropertyInfo {
                            PropertyKind = BindingPropertyKind.BindingPropertyKindCollection
                        };
                    }
                }
                else
                if (BindingEntityInfo.IsEntityType(propertyType))
                {
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindEntity
                    };
                }
                else
                if (BindingEntityInfo.CanBeComplexProperty(p))
                {
                    // Add complex types and nothing else.
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindComplex
                    };
                }

                if (bpi != null)
                {
                    bpi.PropertyInfo = p;

                    // For complex types only treat complex typed properties as observable, we are not going to observer entity typed or primitive properties.
                    if (bindingEntityInfo.ClientType.IsEntityType || bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex)
                    {
                        bindingEntityInfo.ObservableProperties.Add(bpi);
                    }
                }
            }

            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }

            return(bindingEntityInfo);
        }
示例#4
0
 private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType, DataServiceProtocolVersion maxProtocolVersion)
 {
     BindingEntityInfoPerType type;
     metadataCacheLock.EnterReadLock();
     try
     {
         if (bindingEntityInfos.TryGetValue(entityType, out type))
         {
             return type;
         }
     }
     finally
     {
         metadataCacheLock.ExitReadLock();
     }
     type = new BindingEntityInfoPerType();
     EntitySetAttribute attribute = (EntitySetAttribute) entityType.GetCustomAttributes(typeof(EntitySetAttribute), true).SingleOrDefault<object>();
     ClientEdmModel model = ClientEdmModel.GetModel(maxProtocolVersion);
     type.EntitySet = (attribute != null) ? attribute.EntitySet : null;
     type.ClientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityType));
     foreach (ClientPropertyAnnotation annotation in type.ClientType.Properties())
     {
         BindingPropertyInfo item = null;
         Type propertyType = annotation.PropertyType;
         if (!annotation.IsStreamLinkProperty)
         {
             if (annotation.IsPrimitiveOrComplexCollection)
             {
                 item = new BindingPropertyInfo {
                     PropertyKind = BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection
                 };
             }
             else if (annotation.IsEntityCollection)
             {
                 if (IsDataServiceCollection(propertyType, maxProtocolVersion))
                 {
                     item = new BindingPropertyInfo {
                         PropertyKind = BindingPropertyKind.BindingPropertyKindDataServiceCollection
                     };
                 }
             }
             else if (IsEntityType(propertyType, maxProtocolVersion))
             {
                 item = new BindingPropertyInfo {
                     PropertyKind = BindingPropertyKind.BindingPropertyKindEntity
                 };
             }
             else if (CanBeComplexType(propertyType))
             {
                 item = new BindingPropertyInfo {
                     PropertyKind = BindingPropertyKind.BindingPropertyKindComplex
                 };
             }
             if (item != null)
             {
                 item.PropertyInfo = annotation;
                 if ((type.ClientType.IsEntityType || (item.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex)) || (item.PropertyKind == BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection))
                 {
                     type.ObservableProperties.Add(item);
                 }
             }
         }
     }
     metadataCacheLock.EnterWriteLock();
     try
     {
         if (!bindingEntityInfos.ContainsKey(entityType))
         {
             bindingEntityInfos[entityType] = type;
         }
     }
     finally
     {
         metadataCacheLock.ExitWriteLock();
     }
     return type;
 }
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType)
        {
            BindingEntityInfoPerType bindingEntityInfo;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
                {
                    return bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }

            bindingEntityInfo = new BindingEntityInfoPerType();

            object[] attributes = entityType.GetCustomAttributes(typeof(EntitySetAttribute), true);

            bindingEntityInfo.EntitySet = (attributes != null && attributes.Length == 1) ? ((EntitySetAttribute)attributes[0]).EntitySet : null;
            bindingEntityInfo.ClientType = ClientType.Create(entityType);
            
            foreach (ClientType.ClientProperty p in bindingEntityInfo.ClientType.Properties)
            {
                BindingPropertyInfo bpi = null;
            
                Type propertyType = p.PropertyType;
                
                if (p.CollectionType != null)
                {
                    if (BindingEntityInfo.IsDataServiceCollection(propertyType))
                    {
                        bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindCollection };
                    }
                }
                else
                if (BindingEntityInfo.IsEntityType(propertyType))
                {
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindEntity };
                }
                else
                if (BindingEntityInfo.CanBeComplexProperty(p))
                {
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindComplex };
                }
                
                if (bpi != null)
                {
                    bpi.PropertyInfo = p;
                    
                    if (bindingEntityInfo.ClientType.IsEntityType || bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex)
                    {
                        bindingEntityInfo.ObservableProperties.Add(bpi);
                    }
                }
            }

            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }

            return bindingEntityInfo;
        }
示例#6
0
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType, DataServiceProtocolVersion maxProtocolVersion)
        {
            BindingEntityInfoPerType type;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out type))
                {
                    return(type);
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }
            type = new BindingEntityInfoPerType();
            EntitySetAttribute attribute = (EntitySetAttribute)entityType.GetCustomAttributes(typeof(EntitySetAttribute), true).SingleOrDefault <object>();
            ClientEdmModel     model     = ClientEdmModel.GetModel(maxProtocolVersion);

            type.EntitySet  = (attribute != null) ? attribute.EntitySet : null;
            type.ClientType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityType));
            foreach (ClientPropertyAnnotation annotation in type.ClientType.Properties())
            {
                BindingPropertyInfo item = null;
                Type propertyType        = annotation.PropertyType;
                if (!annotation.IsStreamLinkProperty)
                {
                    if (annotation.IsPrimitiveOrComplexCollection)
                    {
                        item = new BindingPropertyInfo {
                            PropertyKind = BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection
                        };
                    }
                    else if (annotation.IsEntityCollection)
                    {
                        if (IsDataServiceCollection(propertyType, maxProtocolVersion))
                        {
                            item = new BindingPropertyInfo {
                                PropertyKind = BindingPropertyKind.BindingPropertyKindDataServiceCollection
                            };
                        }
                    }
                    else if (IsEntityType(propertyType, maxProtocolVersion))
                    {
                        item = new BindingPropertyInfo {
                            PropertyKind = BindingPropertyKind.BindingPropertyKindEntity
                        };
                    }
                    else if (CanBeComplexType(propertyType))
                    {
                        item = new BindingPropertyInfo {
                            PropertyKind = BindingPropertyKind.BindingPropertyKindComplex
                        };
                    }
                    if (item != null)
                    {
                        item.PropertyInfo = annotation;
                        if ((type.ClientType.IsEntityType || (item.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex)) || (item.PropertyKind == BindingPropertyKind.BindingPropertyKindPrimitiveOrComplexCollection))
                        {
                            type.ObservableProperties.Add(item);
                        }
                    }
                }
            }
            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = type;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }
            return(type);
        }
示例#7
0
        /// <summary>Obtain binding info corresponding to a given type</summary>
        /// <param name="entityType">Type for which to obtain information</param>
        /// <returns>Info about the <paramref name="entityType"/></returns>
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType)
        {
            BindingEntityInfoPerType bindingEntityInfo;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
                {
                    return bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }

            bindingEntityInfo = new BindingEntityInfoPerType();

            // Try to get the entity set name from the EntitySetAttribute attributes. In order to make the
            // inheritance work, we need to look at the attributes declared in the base types also.
            object[] attributes = entityType.GetCustomAttributes(typeof(EntitySetAttribute), true);

            // There must be exactly one (unambiguous) EntitySetAttribute attribute.
            bindingEntityInfo.EntitySet = (attributes != null && attributes.Length == 1) ? ((EntitySetAttribute)attributes[0]).EntitySet : null;
            bindingEntityInfo.ClientType = ClientType.Create(entityType);
            
            foreach (ClientType.ClientProperty p in bindingEntityInfo.ClientType.Properties)
            {
                BindingPropertyInfo bpi = null;
            
                Type propertyType = p.PropertyType;
                
                if (p.CollectionType != null)
                {
                    if (BindingEntityInfo.IsDataServiceCollection(propertyType))
                    {
                        bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindCollection };
                    }
                }
                else
                if (BindingEntityInfo.IsEntityType(propertyType))
                {
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindEntity };
                }
                else
                if (BindingEntityInfo.CanBeComplexProperty(p))
                {
                    // Add complex types and nothing else.
                    bpi = new BindingPropertyInfo { PropertyKind = BindingPropertyKind.BindingPropertyKindComplex };
                }
                
                if (bpi != null)
                {
                    bpi.PropertyInfo = p;
                    
                    // For complex types only treat complex typed properties as observable, we are not going to observer entity typed or primitive properties.
                    if (bindingEntityInfo.ClientType.IsEntityType || bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex)
                    {
                        bindingEntityInfo.ObservableProperties.Add(bpi);
                    }
                }
            }

            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }

            return bindingEntityInfo;
        }
示例#8
0
        private static BindingEntityInfoPerType GetBindingEntityInfoFor(Type entityType)
        {
            BindingEntityInfoPerType bindingEntityInfo;

            metadataCacheLock.EnterReadLock();
            try
            {
                if (bindingEntityInfos.TryGetValue(entityType, out bindingEntityInfo))
                {
                    return(bindingEntityInfo);
                }
            }
            finally
            {
                metadataCacheLock.ExitReadLock();
            }

            bindingEntityInfo = new BindingEntityInfoPerType();

            object[] attributes = entityType.GetCustomAttributes(typeof(EntitySetAttribute), true);

            bindingEntityInfo.EntitySet  = (attributes != null && attributes.Length == 1) ? ((EntitySetAttribute)attributes[0]).EntitySet : null;
            bindingEntityInfo.ClientType = ClientType.Create(entityType);

            foreach (ClientType.ClientProperty p in bindingEntityInfo.ClientType.Properties)
            {
                BindingPropertyInfo bpi = null;

                Type propertyType = p.PropertyType;

                if (p.CollectionType != null)
                {
                    if (BindingEntityInfo.IsDataServiceCollection(propertyType))
                    {
                        bpi = new BindingPropertyInfo {
                            PropertyKind = BindingPropertyKind.BindingPropertyKindCollection
                        };
                    }
                }
                else
                if (BindingEntityInfo.IsEntityType(propertyType))
                {
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindEntity
                    };
                }
                else
                if (BindingEntityInfo.CanBeComplexProperty(p))
                {
                    bpi = new BindingPropertyInfo {
                        PropertyKind = BindingPropertyKind.BindingPropertyKindComplex
                    };
                }

                if (bpi != null)
                {
                    bpi.PropertyInfo = p;

                    if (bindingEntityInfo.ClientType.IsEntityType || bpi.PropertyKind == BindingPropertyKind.BindingPropertyKindComplex)
                    {
                        bindingEntityInfo.ObservableProperties.Add(bpi);
                    }
                }
            }

            metadataCacheLock.EnterWriteLock();
            try
            {
                if (!bindingEntityInfos.ContainsKey(entityType))
                {
                    bindingEntityInfos[entityType] = bindingEntityInfo;
                }
            }
            finally
            {
                metadataCacheLock.ExitWriteLock();
            }

            return(bindingEntityInfo);
        }