public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
TableAttribute tableAttribute = parameter.GetCustomAttribute <TableAttribute>(inherit: false);
if (tableAttribute == null)
{
return(null);
}
string tableName = Resolve(tableAttribute.TableName);
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken, _nameResolver);
// requires storage account with table support
account.AssertTypeOneOf(StorageAccountType.GeneralPurpose);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = context.Parameter
};
IStorageTableClient client = account.CreateTableClient(clientFactoryContext);
bool bindsToEntireTable = tableAttribute.RowKey == null;
IBinding binding;
if (bindsToEntireTable)
{
IBindableTablePath path = BindableTablePath.Create(tableName);
path.ValidateContractCompatibility(context.BindingDataContract);
IStorageTableArgumentBinding argumentBinding = _tableBindingProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Table to type '" + parameter.ParameterType + "'.");
}
binding = new TableBinding(parameter.Name, argumentBinding, client, path);
}
else
{
string partitionKey = Resolve(tableAttribute.PartitionKey);
string rowKey = Resolve(tableAttribute.RowKey);
IBindableTableEntityPath path = BindableTableEntityPath.Create(tableName, partitionKey, rowKey);
path.ValidateContractCompatibility(context.BindingDataContract);
IArgumentBinding <TableEntityContext> argumentBinding = _entityBindingProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Table entity to type '" + parameter.ParameterType + "'.");
}
binding = new TableEntityBinding(parameter.Name, argumentBinding, client, path);
}
return(binding);
}
private IBinding TryCreate(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
var tableAttribute = TypeUtility.GetResolvedAttribute <TableAttribute>(context.Parameter);
if (tableAttribute == null)
{
return(null);
}
string tableName = Resolve(tableAttribute.TableName);
var account = _accountProvider.Get(tableAttribute.Connection, _nameResolver);
// requires storage account with table support
// account.AssertTypeOneOf(StorageAccountType.GeneralPurpose); $$$
CloudTableClient client = account.CreateCloudTableClient();
bool bindsToEntireTable = tableAttribute.RowKey == null;
IBinding binding;
if (bindsToEntireTable)
{
// This should have been caught by the other rule-based binders.
// We never expect this to get thrown.
throw new InvalidOperationException("Can't bind Table to type '" + parameter.ParameterType + "'.");
}
else
{
string partitionKey = Resolve(tableAttribute.PartitionKey);
string rowKey = Resolve(tableAttribute.RowKey);
IBindableTableEntityPath path = BindableTableEntityPath.Create(tableName, partitionKey, rowKey);
path.ValidateContractCompatibility(context.BindingDataContract);
IArgumentBinding <TableEntityContext> argumentBinding = _entityBindingProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Table entity to type '" + parameter.ParameterType + "'.");
}
binding = new TableEntityBinding(parameter.Name, argumentBinding, client, path);
}
return(binding);
}