public override bool Apply(DatastoreEntry <T> e)
{
switch (Operator)
{
case Operator.Equal:
return(e.DatastoreKey.Equals(DatastoreKey));
case Operator.NotEqual:
return(!e.DatastoreKey.Equals(DatastoreKey));
case Operator.GreaterThan:
return(e.DatastoreKey > DatastoreKey);
case Operator.GreatherThanOrEqual:
return(e.DatastoreKey >= DatastoreKey);
case Operator.LessThan:
return(e.DatastoreKey < DatastoreKey);
case Operator.LessThanOrEqual:
return(e.DatastoreKey <= DatastoreKey);
default:
throw new Exception($"unknown operator '{Operator}'");
}
}
public override bool Apply(DatastoreEntry <T> e)
{
switch (Operator)
{
case Operator.Equal:
return(Value.Equals(e.Value));
case Operator.NotEqual:
return(!Value.Equals(e.Value));
default:
throw new Exception($"cannot apply operator '{Operator}' to '{typeof(T)}'");
}
}
public DatastoreResult(DatastoreEntry <T> e)
: base(e.DatastoreKey, e.Value)
{
}
public abstract bool Apply(DatastoreEntry <T> e);
public override bool Apply(DatastoreEntry <T> e) => e.DatastoreKey.ToString().StartsWith(Prefix);