public IEnumerable <WorkflowInstanceInfo> GetInstances(WorkflowStatus?filter = null)
{
if (null == filter)
{
var queryResult = _instanceData.All();
return(queryResult.Items.EmptyIfNull());
}
else
{
var qs = new QuerySpecification
{
BookMark = new GenericPageBookmark {
PageSize = 1000
},
Where = new Filter
{
PredicateJoin = PredicateJoin.And,
Rules = new Comparison[]
{
new Comparison
{
Data = filter.Value.EnumName(),
Field = "Status",
Test = Test.Equal
}
}
}
};
var queryResult = _instanceData.Query(qs);
return(queryResult.Items.EmptyIfNull());
}
}