/// <summary>
/// Gets the HQL for debugging purposes only.
/// </summary>
/// <param name="procedureStepClasses"></param>
/// <param name="criteria"></param>
/// <param name="projection"></param>
/// <param name="page"></param>
/// <returns></returns>
public string GetWorklistItemsHql(Type[] procedureStepClasses, WorklistItemSearchCriteria[] criteria, WorklistItemProjection projection, SearchResultPage page)
{
var args = new QueryBuilderArgs(procedureStepClasses, criteria, projection, page);
var query = BuildWorklistQuery(args);
return(query.Hql);
}
/// <summary>
/// Builds a worklist item query, including the ordering and paging directives.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private HqlProjectionQuery BuildWorklistQuery(QueryBuilderArgs args)
{
var query = new HqlProjectionQuery();
this.WorklistItemQueryBuilder.AddRootQuery(query, args);
this.WorklistItemQueryBuilder.AddConstrainPatientProfile(query, args);
this.WorklistItemQueryBuilder.AddCriteria(query, args);
if (args is WorklistQueryArgs)
{
this.WorklistItemQueryBuilder.AddFilters(query, (WorklistQueryArgs)args);
}
if (args.CountQuery)
{
this.WorklistItemQueryBuilder.AddCountProjection(query, args);
}
else
{
this.WorklistItemQueryBuilder.AddOrdering(query, args);
this.WorklistItemQueryBuilder.AddItemProjection(query, args);
this.WorklistItemQueryBuilder.AddPagingRestriction(query, args);
}
return(query);
}
/// <summary>
/// Gets the set of items matching the specified criteria, returned as tuples shaped by the specified projection.
/// </summary>
public IList <object[]> GetWorklistItems(Type[] procedureStepClasses, WorklistItemSearchCriteria[] criteria, WorklistItemProjection projection, SearchResultPage page)
{
var args = new QueryBuilderArgs(procedureStepClasses, criteria, projection, page);
var query = BuildWorklistQuery(args);
return(CollectionUtils.Map(ExecuteHql <object[]>(query), (object[] tuple) => this.WorklistItemQueryBuilder.PreProcessResult(tuple, args)));
}
/// <summary>
/// Builds a query that searches for patient items.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private HqlProjectionQuery BuildPatientSearchQuery(QueryBuilderArgs args)
{
var query = new HqlProjectionQuery();
_patientQueryBuilder.AddRootQuery(query, null);
_patientQueryBuilder.AddCriteria(query, args);
if (args.CountQuery)
{
_patientQueryBuilder.AddCountProjection(query, args);
}
else
{
_patientQueryBuilder.AddItemProjection(query, args);
}
return(query);
}
/// <summary>
/// Builds a query that searches for worklist items.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
protected HqlProjectionQuery BuildWorklistSearchQuery(QueryBuilderArgs args)
{
var query = new HqlProjectionQuery();
this.WorklistItemQueryBuilder.AddRootQuery(query, args);
this.WorklistItemQueryBuilder.AddConstrainPatientProfile(query, args);
this.WorklistItemQueryBuilder.AddCriteria(query, args);
this.WorklistItemQueryBuilder.AddActiveProcedureStepConstraint(query, args);
if (args.CountQuery)
{
this.WorklistItemQueryBuilder.AddCountProjection(query, args);
}
else
{
this.WorklistItemQueryBuilder.AddItemProjection(query, args);
}
return(query);
}
/// <summary>
/// Executes the specified query, using the specified query-builder to pre-process the results.
/// </summary>
/// <param name="query"></param>
/// <param name="worklistItemClass"></param>
/// <param name="queryBuilder"></param>
/// <param name="args"></param>
/// <returns></returns>
protected IList <WorklistItem> DoQuery(HqlQuery query, Type worklistItemClass, IQueryBuilder queryBuilder, QueryBuilderArgs args)
{
// execute query
var tuples = ExecuteHql <object[]>(query);
// create a dummy worklist item, so we can get the tuple mapping exactly once, outside of the loop
var tupleMapping = ((WorklistItem)Activator.CreateInstance(worklistItemClass)).GetTupleMapping(args.Projection);
// use tuple mapping to create worklist items
return(CollectionUtils.Map(tuples,
(object[] tuple) => CreateWorklistItem(worklistItemClass, queryBuilder.PreProcessResult(tuple, args), tupleMapping)));
}
/// <summary>
/// Executes the specified query, using the specified query-builder to pre-process the results.
/// </summary>
/// <typeparam name="TItem">Class of worklist item that will hold the results.</typeparam>
/// <param name="query"></param>
/// <param name="queryBuilder"></param>
/// <param name="args"></param>
/// <returns></returns>
protected List <TItem> DoQuery <TItem>(HqlQuery query, IQueryBuilder queryBuilder, QueryBuilderArgs args)
where TItem : WorklistItem
{
var results = DoQuery(query, typeof(TItem), queryBuilder, args);
return(CollectionUtils.Map(results, (WorklistItem r) => (TItem)r));
}
