public int Delete(TSearchCriteria[] criteria)
{
if (this.Context.ReadOnly)
{
throw new InvalidOperationException("Cannot delete via read-only persistence context.");
}
var query = new HqlQuery(string.Format("delete {0} x", typeof(TEntity).Name));
var or = new HqlOr();
foreach (var c in criteria)
{
var and = new HqlAnd(HqlCondition.FromSearchCriteria("x", c));
if (and.Conditions.Count > 0)
{
or.Conditions.Add(and);
}
}
if (or.Conditions.Count > 0)
{
query.Conditions.Add(or);
}
return(ExecuteHqlDml(query));
}
public long Count(TSearchCriteria[] criteria, EntityFindOptions options)
{
// cannot defer count queries, because we have no way of proxying the result
// without changing the return type of this method
if (options.Defer)
{
throw new NotSupportedException("Count queries do not support the 'defer' option.");
}
var query = new HqlQuery(string.Format("select count(*) from {0} x", typeof(TEntity).Name))
{
Cacheable = options.Cache
};
// for a "count" query, sort conditions that may be present in the
// criteria object must be ignored- therefore, only the conditions are added to the query
var or = new HqlOr();
foreach (var c in criteria)
{
var and = new HqlAnd(HqlCondition.FromSearchCriteria("x", c));
if (and.Conditions.Count > 0)
{
or.Conditions.Add(and);
}
}
if (or.Conditions.Count > 0)
{
query.Conditions.Add(or);
}
// expect exactly one integer result
return(ExecuteHqlUnique <long>(query));
}
/// <summary>
/// Adds the specified criteria to the specified query, pre-pending the specified qualifier.
/// </summary>
/// <param name="qualifier"></param>
/// <param name="criteria"></param>
/// <param name="query"></param>
/// <param name="remapHqlExprFunction"></param>
/// <remarks>
/// All HQL dot expressions are passed through the <paramref name="remapHqlExprFunction"/>, allowing the expression
/// to be modified prior to be added to the query.
/// </remarks>
public static void AddCriteriaToQuery(string qualifier, WorklistItemSearchCriteria[] criteria, HqlProjectionQuery query,
Converter <string, string> remapHqlExprFunction)
{
var or = new HqlOr();
foreach (var c in criteria)
{
if (c.IsEmpty)
{
continue;
}
var conditions = HqlCondition.FromSearchCriteria(qualifier, c, remapHqlExprFunction);
var and = new HqlAnd(conditions);
if (and.Conditions.Count > 0)
{
or.Conditions.Add(and);
}
}
if (or.Conditions.Count > 0)
{
query.Conditions.Add(or);
}
}
public IList <ProcedureTypeGroup> Find(ProcedureTypeGroupSearchCriteria criteria, Type subClass, SearchResultPage page)
{
HqlQuery query = new HqlQuery(string.Format("from {0} x", subClass.Name));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("x", criteria));
query.Sorts.AddRange(HqlSort.FromSearchCriteria("x", criteria));
query.Page = page;
return(ExecuteHql <ProcedureTypeGroup>(query));
}
public void TestInList()
{
List <int> numbers = new List <int>();
numbers.Add(1);
numbers.Add(2);
numbers.Add(3);
AreEqual(new HqlCondition("x in (?,?,?)", new object[] { 1, 2, 3 }), HqlCondition.In("x", numbers));
}
private static HqlProjectionQuery GetBaseResultRecipientQuery(OrderSearchCriteria orderSearchCriteria, ResultRecipientSearchCriteria recipientSearchCriteria)
{
var hqlFrom = new HqlFrom(typeof(Order).Name, "o");
hqlFrom.Joins.Add(new HqlJoin("o.ResultRecipients", "rr"));
var query = new HqlProjectionQuery(hqlFrom);
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("rr", recipientSearchCriteria));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("o", orderSearchCriteria));
return(query);
}
private static HqlProjectionQuery GetBaseVisitPractitionerQuery(VisitSearchCriteria visitSearchCriteria, VisitPractitionerSearchCriteria practitionerSearchCriteria)
{
var hqlFrom = new HqlFrom(typeof(Visit).Name, "v");
hqlFrom.Joins.Add(new HqlJoin("v.Practitioners", "vp"));
var query = new HqlProjectionQuery(hqlFrom);
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("vp", practitionerSearchCriteria));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("v", visitSearchCriteria));
return(query);
}
public IList <ModalityProcedureStep> Find(ModalityProcedureStepSearchCriteria mpsCriteria, ProcedureSearchCriteria procedureCriteria)
{
var hqlFrom = new HqlFrom(typeof(ModalityProcedureStep).Name, "mps");
hqlFrom.Joins.Add(new HqlJoin("mps.Procedure", "rp", HqlJoinMode.Inner, true));
var query = new HqlProjectionQuery(hqlFrom);
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("mps", mpsCriteria));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("rp", procedureCriteria));
return(ExecuteHql <ModalityProcedureStep>(query));
}
private List <OrderNoteboxItem> BuildOrderNoteboxItems(List <NoteboxItem> inboxItems)
{
if (inboxItems.Count == 0)
{
return(new List <OrderNoteboxItem>());
}
// Get all the patients for all the items
var patients = CollectionUtils.Unique(CollectionUtils.Map <NoteboxItem, Patient>(inboxItems, item => item.Patient));
var patientQuery = new HqlProjectionQuery(new HqlFrom(typeof(PatientProfile).Name, "pp"));
var patientCriteria = new PatientProfileSearchCriteria();
patientCriteria.Patient.In(patients);
patientQuery.Conditions.AddRange(HqlCondition.FromSearchCriteria("pp", patientCriteria));
var profiles = ExecuteHql <PatientProfile>(patientQuery);
// Have to manually get the postings (and later their recipients) to work around a Hibernate fetch="subselect" issue.
// The subselect somehow removed the "top(100)" and "order by" clause. Making the query slow.
// Load all the postings for all the notes. There may be more than one postings per orderNote.
// Therefore it is inappropriate to just use the postings in the base query.
var notes = CollectionUtils.Unique(CollectionUtils.Map <NoteboxItem, Note>(inboxItems, item => item.Note));
var postingQuery = new HqlProjectionQuery(new HqlFrom(typeof(NotePosting).Name, "np"));
var postingCriteria = new NotePostingSearchCriteria();
postingCriteria.Note.In(notes);
postingQuery.Conditions.AddRange(HqlCondition.FromSearchCriteria("np", postingCriteria));
postingQuery.Froms[0].Joins.Add(new HqlJoin("np.Recipient", null, HqlJoinMode.Left, true));
var postings = ExecuteHql <NotePosting>(postingQuery);
// Build order notebox items
var orderNoteboxItems = CollectionUtils.Map(inboxItems,
delegate(NoteboxItem item)
{
// Find the appropriate patient profile based on OrderingFacility
var profile = CollectionUtils.SelectFirst(profiles,
pp => pp.Patient.Equals(item.Patient) &&
pp.Mrn.AssigningAuthority.Code.Equals(item.OrderingFacilityInformationAuthority.Code));
// Find all the recipients
var postingsForThisNote = CollectionUtils.Select(postings, np => np.Note.Equals(item.Note));
var recipients = CollectionUtils.Map <NotePosting, object>(postingsForThisNote,
posting => posting is StaffNotePosting
? (object)((StaffNotePosting)posting).Recipient
: (object)((GroupNotePosting)posting).Recipient);
return(new OrderNoteboxItem(item.Note, item.Order, item.Patient, profile, item.Author, recipients,
item.DiagnosticServiceName, item.NotePostingAcknowledged));
});
return(orderNoteboxItems);
}
public IList <ConfigurationDocument> Find(ConfigurationDocumentSearchCriteria documentCriteria, ConfigurationDocumentBodySearchCriteria bodyCriteria, SearchResultPage page)
{
var hqlFrom = new HqlFrom(typeof(ConfigurationDocument).Name, "doc");
hqlFrom.Joins.Add(new HqlJoin("doc.Body", "body"));
var query = new HqlProjectionQuery(hqlFrom);
query.Selects.Add(new HqlSelect("doc"));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("doc", documentCriteria));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("body", bodyCriteria));
query.Page = page;
return(ExecuteHql <ConfigurationDocument>(query));
}
public void TestExpressionFromSearchCriteria()
{
AreEqual(new HqlCondition("x = ?", new object[] { 1 }), HqlCondition.GetCondition("x", SearchConditionTest.Equal, new object[] { 1 }));
AreEqual(new HqlCondition("x <> ?", new object[] { 1 }), HqlCondition.GetCondition("x", SearchConditionTest.NotEqual, new object[] { 1 }));
AreEqual(new HqlCondition("x like ?", new object[] { "foo" }), HqlCondition.GetCondition("x", SearchConditionTest.Like, new object[] { "foo" }));
AreEqual(new HqlCondition("x not like ?", new object[] { "foo" }), HqlCondition.GetCondition("x", SearchConditionTest.NotLike, new object[] { "foo" }));
AreEqual(new HqlCondition("x between ? and ?", new object[] { 1, 2 }), HqlCondition.GetCondition("x", SearchConditionTest.Between, new object[] { 1, 2 }));
AreEqual(new HqlCondition("x in (?,?,?)", new object[] { 1, 2, 3 }), HqlCondition.GetCondition("x", SearchConditionTest.In, new object[] { 1, 2, 3 }));
AreEqual(new HqlCondition("x not in (?,?,?)", new object[] { 1, 2, 3 }), HqlCondition.GetCondition("x", SearchConditionTest.NotIn, new object[] { 1, 2, 3 }));
AreEqual(new HqlCondition("x < ?", new object[] { 1 }), HqlCondition.GetCondition("x", SearchConditionTest.LessThan, new object[] { 1 }));
AreEqual(new HqlCondition("x <= ?", new object[] { 1 }), HqlCondition.GetCondition("x", SearchConditionTest.LessThanOrEqual, new object[] { 1 }));
AreEqual(new HqlCondition("x > ?", new object[] { 1 }), HqlCondition.GetCondition("x", SearchConditionTest.MoreThan, new object[] { 1 }));
AreEqual(new HqlCondition("x >= ?", new object[] { 1 }), HqlCondition.GetCondition("x", SearchConditionTest.MoreThanOrEqual, new object[] { 1 }));
AreEqual(new HqlCondition("x is null", new object[] { }), HqlCondition.GetCondition("x", SearchConditionTest.Null, new object[] { 1 }));
AreEqual(new HqlCondition("x is not null", new object[] { }), HqlCondition.GetCondition("x", SearchConditionTest.NotNull, new object[] { 1 }));
}
public void TestExpressionFactoryMethods()
{
AreEqual(new HqlCondition("x = ?", new object[] { 1 }), HqlCondition.EqualTo("x", 1));
AreEqual(new HqlCondition("x <> ?", new object[] { 1 }), HqlCondition.NotEqualTo("x", 1));
AreEqual(new HqlCondition("x like ?", new object[] { "foo" }), HqlCondition.Like("x", "foo"));
AreEqual(new HqlCondition("x not like ?", new object[] { "foo" }), HqlCondition.NotLike("x", "foo"));
AreEqual(new HqlCondition("x between ? and ?", new object[] { 1, 2 }), HqlCondition.Between("x", 1, 2));
AreEqual(new HqlCondition("x in (?,?,?)", new object[] { 1, 2, 3 }), HqlCondition.In("x", 1, 2, 3));
AreEqual(new HqlCondition("x not in (?,?,?)", new object[] { 1, 2, 3 }), HqlCondition.NotIn("x", 1, 2, 3));
AreEqual(new HqlCondition("x < ?", new object[] { 1 }), HqlCondition.LessThan("x", 1));
AreEqual(new HqlCondition("x <= ?", new object[] { 1 }), HqlCondition.LessThanOrEqual("x", 1));
AreEqual(new HqlCondition("x > ?", new object[] { 1 }), HqlCondition.MoreThan("x", 1));
AreEqual(new HqlCondition("x >= ?", new object[] { 1 }), HqlCondition.MoreThanOrEqual("x", 1));
AreEqual(new HqlCondition("x is null", new object[] {}), HqlCondition.IsNull("x"));
AreEqual(new HqlCondition("x is not null", new object[] {}), HqlCondition.IsNotNull("x"));
}
public bool AssertUserHasToken(string userName, string token)
{
UserSearchCriteria whereUser = new UserSearchCriteria();
whereUser.UserName.EqualTo(userName);
AuthorityTokenSearchCriteria whereToken = new AuthorityTokenSearchCriteria();
whereToken.Name.EqualTo(token);
// want this to be as fast as possible - use joins and only select the count
HqlQuery query = new HqlQuery("select count(*) from User u join u.AuthorityGroups g join g.AuthorityTokens t");
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("u", whereUser));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("t", whereToken));
// expect exactly one integer result
return(ExecuteHqlUnique <long>(query) > 0);
}
public string[] FindTokensByUserName(string userName)
{
UserSearchCriteria where = new UserSearchCriteria();
where.UserName.EqualTo(userName);
// want this to be as fast as possible - use joins and only select the AuthorityToken names
HqlQuery query = new HqlQuery("select distinct t.Name from User u join u.AuthorityGroups g join g.AuthorityTokens t");
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("u", where));
// take advantage of query caching if possible
query.Cacheable = true;
IList <string> tokens = this.ExecuteHql <string>(query);
string[] result = new string[tokens.Count];
tokens.CopyTo(result, 0);
return(result);
}
/// <summary>
/// Establishes the root query (the 'from' clause and any 'join' clauses).
/// </summary>
/// <param name="query"></param>
/// <param name="args"></param>
public override void AddRootQuery(HqlProjectionQuery query, QueryBuilderArgs args)
{
var procedureStepClasses = args.ProcedureStepClasses;
// if we have 1 procedure step class, we can say "from x"
// otherwise we need to say "from ProcedureStep where ps.class = ..."
if (procedureStepClasses.Length == 1)
{
var procStepClass = CollectionUtils.FirstElement(procedureStepClasses);
query.Froms.Add(new HqlFrom(procStepClass.Name, "ps", WorklistJoins));
}
else
{
// either 0 or > 1 classes were specified
query.Froms.Add(new HqlFrom(typeof(ProcedureStep).Name, "ps", WorklistJoins));
if (procedureStepClasses.Length > 1)
{
query.Conditions.Add(HqlCondition.IsOfClass("ps", procedureStepClasses));
}
}
}
public IList <TEntity> Find(TSearchCriteria[] criteria, SearchResultPage page, EntityFindOptions options)
{
var query = new HqlProjectionQuery(new HqlFrom(typeof(TEntity).Name, "x"))
{
Page = page, Cacheable = options.Cache
};
// add fetch joins
foreach (var fetchJoin in GetDefaultFetchJoins())
{
query.Froms[0].Joins.Add(new HqlJoin("x." + fetchJoin, null, HqlJoinMode.Inner, true));
}
// apply lock hint
if (options.LockForUpdate)
{
query.SetLockMode("x", LockMode.Upgrade);
}
var or = new HqlOr();
foreach (var c in criteria)
{
var and = new HqlAnd(HqlCondition.FromSearchCriteria("x", c));
if (and.Conditions.Count > 0)
{
or.Conditions.Add(and);
}
query.Sorts.AddRange(HqlSort.FromSearchCriteria("x", c));
}
if (or.Conditions.Count > 0)
{
query.Conditions.Add(or);
}
return(ExecuteHql <TEntity>(query, options.Defer));
}
/// <summary>
/// NHibernate has a bug where criteria that de-reference properties not joined into the From clause are not
/// always handled properly. For example, in order to evaluate a criteria such as "ps.Scheduling.Performer.Staff.Name like ?",
/// NHiberate will inject a theta-join on Staff into the SQL. This works ok by itself. However, when evaluating a criteria
/// such as "ps.Scheduling.Performer.Staff.Name.FamilyName like ? or ps.Performer.Staff.Name.FamilyName like ?", NHibernate
/// injects two Staff theta-joins into the SQL, which incorrectly results in a cross-join situation.
/// This method modifies any query that has criteria on ps.Scheduling.Performer.Staff or ps.Performer.Staff,
/// by adding in explicit joins to Staff for these objects, and then substituting the original conditions
/// with conditions based on these joins.
/// </summary>
public static void NHibernateBugWorkaround(HqlFrom from, IList <HqlCondition> conditions, Converter <string, string> remapHqlExprFunction)
{
var scheduledStaff = remapHqlExprFunction("ps.Scheduling.Performer.Staff");
var performerStaff = remapHqlExprFunction("ps.Performer.Staff");
for (var i = 0; i < conditions.Count; i++)
{
var condition = conditions[i];
if (condition is HqlJunction)
{
NHibernateBugWorkaround(from, ((HqlJunction)condition).Conditions, remapHqlExprFunction);
}
else if (condition.Hql.StartsWith(scheduledStaff))
{
// add join for sst (scheduled staff) if not added
if (!CollectionUtils.Contains(from.Joins, j => j.Alias == "sst"))
{
from.Joins.Add(new HqlJoin(scheduledStaff, "sst", HqlJoinMode.Left));
}
// replace the condition with a new condition, using the joined Staff
var newHql = condition.Hql.Replace(scheduledStaff, "sst");
conditions[i] = new HqlCondition(newHql, condition.Parameters);
}
else if (condition.Hql.StartsWith(performerStaff))
{
// add join for pst (performer staff) if not added
if (!CollectionUtils.Contains(from.Joins, j => j.Alias == "pst"))
{
from.Joins.Add(new HqlJoin(performerStaff, "pst", HqlJoinMode.Left));
}
// replace the condition with a new condition, using the joined Staff
var newHql = condition.Hql.Replace(performerStaff, "pst");
conditions[i] = new HqlCondition(newHql, condition.Parameters);
}
}
}
public Guid[] FindDataGroupsByUserName(string userName)
{
UserSearchCriteria where = new UserSearchCriteria();
where.UserName.EqualTo(userName);
AuthorityGroupSearchCriteria groupWhere = new AuthorityGroupSearchCriteria();
groupWhere.DataGroup.EqualTo(true);
// want this to be as fast as possible - use joins and only select the AuthorityToken names
HqlQuery query = new HqlQuery("select distinct g.OID from User u join u.AuthorityGroups g");
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("u", where));
query.Conditions.AddRange(HqlCondition.FromSearchCriteria("g", groupWhere));
// take advantage of query caching if possible
query.Cacheable = true;
IList <Guid> oids = ExecuteHql <Guid>(query);
var result = new Guid[oids.Count];
oids.CopyTo(result, 0);
return(result);
}
private static void AreEqual(HqlCondition c1, HqlCondition c2)
{
Assert.AreEqual(c1.Hql, c2.Hql);
Assert.IsTrue(CollectionUtils.Equal<object>(c1.Parameters, c2.Parameters, true));
}
private static void AreEqual(HqlCondition c1, HqlCondition c2)
{
Assert.AreEqual(c1.Hql, c2.Hql);
Assert.IsTrue(CollectionUtils.Equal <object>(c1.Parameters, c2.Parameters, true));
}