/// <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);
}
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);
}