public TableEntityValueBinder(TableEntityContext entityContext, ITableEntity entity, Type valueType)
{
_entityContext = entityContext;
_value = entity;
_valueType = valueType;
_originalProperties = DeepClone(entity.WriteEntity(null));
}
public TableEntityValueBinder(TableEntityContext entityContext, ITableEntity entity, Type valueType)
{
_entityContext = entityContext;
_value = entity;
_valueType = valueType;
_originalProperties = DeepClone(entity.WriteEntity(null));
}
public PocoEntityValueBinder(TableEntityContext entityContext, string eTag, TElement value)
{
_entityContext = entityContext;
_eTag = eTag;
_value = value;
_originalProperties =
TableEntityValueBinder.DeepClone(_converter.Convert(value).WriteEntity(operationContext: null));
}
public bool TryConvert(object input, out TableEntityContext output)
{
TInput typedInput = input as TInput;
if (typedInput == null)
{
output = null;
return(false);
}
output = _innerConverter.Convert(typedInput);
return(true);
}
public Task <IValueProvider> BindAsync(object value, ValueBindingContext context)
{
TableEntityContext entityContext = null;
if (!_converter.TryConvert(value, out entityContext))
{
throw new InvalidOperationException("Unable to convert value to TableEntityContext.");
}
TableClient.ValidateAzureTableKeyValue(entityContext.PartitionKey);
TableClient.ValidateAzureTableKeyValue(entityContext.RowKey);
return(BindEntityAsync(entityContext, context));
}
public Task <IValueProvider> BindAsync(BindingContext context)
{
TableEntityPath boundPath = _path.Bind(context.BindingData);
IStorageTable table = _client.GetTableReference(boundPath.TableName);
TableEntityContext entityContext = new TableEntityContext
{
Table = table,
PartitionKey = boundPath.PartitionKey,
RowKey = boundPath.RowKey
};
return(BindEntityAsync(entityContext, context.ValueContext));
}
public async Task <IValueProvider> BindAsync(TableEntityContext value, ValueBindingContext context)
{
var table = value.Table;
var retrieve = table.CreateRetrieveOperation <TElement>(value.PartitionKey, value.RowKey);
TableResult result = await table.ExecuteAsync(retrieve, context.CancellationToken);
TElement entity = (TElement)result.Result;
if (entity == null)
{
return(new NullEntityValueProvider <TElement>(value));
}
return(new TableEntityValueBinder(value, entity, typeof(TElement)));
}
public void HasChanged_ReturnsFalse_IfValueHasNotChanged()
{
// Arrange
TableEntityContext entityContext = new TableEntityContext();
SimpleTableEntity value = new SimpleTableEntity { Item = "Foo" };
Type valueType = typeof(SimpleTableEntity);
PocoEntityValueBinder<SimpleTableEntity> product = new PocoEntityValueBinder<SimpleTableEntity>(
entityContext, "etag", value);
// Act
bool hasChanged = product.HasChanged;
// Assert
Assert.False(hasChanged);
}
public async Task <IValueProvider> BindAsync(TableEntityContext value, ValueBindingContext context)
{
IStorageTable table = value.Table;
IStorageTableOperation retrieve = table.CreateRetrieveOperation <DynamicTableEntity>(
value.PartitionKey, value.RowKey);
TableResult result = await table.ExecuteAsync(retrieve, context.CancellationToken);
DynamicTableEntity entity = (DynamicTableEntity)result.Result;
if (entity == null)
{
return(new NullEntityValueProvider <TElement>(value));
}
TElement userEntity = Converter.Convert(entity);
return(new PocoEntityValueBinder <TElement>(value, entity.ETag, userEntity));
}
public Task <IValueProvider> BindAsync(BindingContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
TableEntityPath boundPath = _path.Bind(context.BindingData);
var table = _client.GetTableReference(boundPath.TableName);
TableEntityContext entityContext = new TableEntityContext
{
Table = table,
PartitionKey = boundPath.PartitionKey,
RowKey = boundPath.RowKey
};
return(BindEntityAsync(entityContext, context.ValueContext));
}
public void HasChanged_ReturnsFalse_IfValueHasNotChanged()
{
// Arrange
TableEntityContext entityContext = new TableEntityContext();
DynamicTableEntity value = new DynamicTableEntity
{
PartitionKey = "PK",
RowKey = "RK",
Properties = new Dictionary<string, EntityProperty> { { "Item", new EntityProperty("Foo") } }
};
Type valueType = typeof(DynamicTableEntity);
TableEntityValueBinder product = new TableEntityValueBinder(entityContext, value, valueType);
// Act
bool hasChanged = product.HasChanged;
// Assert
Assert.False(hasChanged);
}
public Task<IValueProvider> BindAsync(BindingContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
TableEntityPath boundPath = _path.Bind(context.BindingData);
IStorageTable table = _client.GetTableReference(boundPath.TableName);
TableEntityContext entityContext = new TableEntityContext
{
Table = table,
PartitionKey = boundPath.PartitionKey,
RowKey = boundPath.RowKey
};
return BindEntityAsync(entityContext, context.ValueContext);
}
public void HasChanged_ReturnsTrue_IfMutuableValueHasBeenMutated()
{
// Arrange
TableEntityContext entityContext = new TableEntityContext();
byte[] bytes = new byte[] { 0x12 };
DynamicTableEntity value = new DynamicTableEntity
{
PartitionKey = "PK",
RowKey = "RK",
Properties = new Dictionary<string, EntityProperty> { { "Item", new EntityProperty(bytes) } }
};
Type valueType = typeof(DynamicTableEntity);
TableEntityValueBinder product = new TableEntityValueBinder(entityContext, value, valueType);
bytes[0] = 0xFE;
// Act
bool hasChanged = product.HasChanged;
// Assert
Assert.True(hasChanged);
}
private Task <IValueProvider> BindEntityAsync(TableEntityContext entityContext, ValueBindingContext context)
{
return(_argumentBinding.BindAsync(entityContext, context));
}
private Task<IValueProvider> BindEntityAsync(TableEntityContext entityContext, ValueBindingContext context)
{
return _argumentBinding.BindAsync(entityContext, context);
}
public NullEntityValueProvider(TableEntityContext entityContext)
{
_entityContext = entityContext;
}
