public long Increment <T>(object hash, string fieldName, long amount = 1)
{
var type = DynamoMetadata.GetType <T>();
var request = new UpdateItemRequest
{
TableName = type.Name,
Key = Converters.ToAttributeKeyValue(this, type.HashKey, hash),
AttributeUpdates = new Dictionary <string, AttributeValueUpdate> {
{
fieldName,
new AttributeValueUpdate {
Action = AttributeAction.ADD,
Value = new AttributeValue {
N = amount.ToString()
}
}
}
},
ReturnValues = ReturnValue.ALL_NEW,
};
var response = DynamoDb.UpdateItem(request);
return(response.Attributes.Count > 0
? Convert.ToInt64(response.Attributes[fieldName].N)
: 0);
}
public PocoDynamoExpression(Type type)
{
Type = type;
Table = DynamoMetadata.GetType(type);
ParamPrefix = "p";
Params = new Dictionary <string, object>();
ReferencedFields = new List <string>();
Aliases = new Dictionary <string, string>();
}
public IEnumerable <T> ScanAll <T>()
{
var type = DynamoMetadata.GetType <T>();
var request = new ScanRequest
{
Limit = PagingLimit,
TableName = type.Name,
};
return(Scan(request, r => r.ConvertAll <T>()));
}
public static List <T> ConvertAll <T>(this QueryResponse response)
{
return(response.Items
.Select(values => DynamoMetadata.GetType <T>().ConvertTo <T>(values))
.ToList());
}
