internal override void Execute(QueryContext queryContext, Predicate nextPredicate)
{
if (typename == "*")
throw new ParserException("Incorrect query format. \'*\' is not supported.");
if (queryContext.IndexManager == null)
throw new TypeIndexNotDefined("Index is not defined for '" + typename.ToString() + "'");
queryContext.TypeName = typename;
if (queryContext.Index == null) //try to get virtual index
{
//in case of DisableException is true, exception will not be thrown, and return new attribute index.
if (QueryIndexManager.DisableException)
{
queryContext.Index = new AttributeIndex(null, queryContext.Cache.Context.CacheRoot.Name, null);
return;
}
throw new TypeIndexNotDefined("Index is not defined for '" + typename.ToString() + "'");
}
else
{
//populate the tree for normal queries...
if (nextPredicate == null && queryContext.PopulateTree)
{
queryContext.Tree.Populate(queryContext.Index.GetEnumerator(typename));
}
else
{
nextPredicate.Execute(queryContext, null);
}
}
}
internal override void Execute(QueryContext queryContext, Predicate nextPredicate)
{
if (typename == "*")
{
throw new ParserException("Incorrect query format. \'*\' is not supported.");
}
if (queryContext.IndexManager == null)
{
throw new TypeIndexNotDefined("Index is not defined for '" + typename.ToString() + "'");
}
queryContext.TypeName = typename;
if (queryContext.Index == null) //try to get virtual index
{
//we are not allowing queries
//with out attribute-level indexes right now.
//in case of DisableException is true, exception will not be thrown, and return new attribute index.
if (QueryIndexManager.DisableException)
{
queryContext.Index = new AttributeIndex(null, queryContext.Cache.Context.CacheRoot.Name, null);
return;
}
throw new TypeIndexNotDefined("Index is not defined for '" + typename.ToString() + "'");
}
else
{
//populate the tree for normal queries...
if (nextPredicate == null && queryContext.PopulateTree)
{
queryContext.InternalQueryResult = new ListQueryResult();
queryContext.InternalQueryResult.Populate(queryContext.Index.GetEnumerator(typename));
}
else
{
if (nextPredicate is LogicalAndPredicate)
{
queryContext.InternalQueryResult = new HashedQueryResult();
}
else
{
queryContext.InternalQueryResult = new ListQueryResult();
}
nextPredicate.Execute(queryContext, null);
}
}
}
internal override void Execute(QueryContext queryContext, Predicate nextPredicate)
{
for (int i = 0; i < members.Count; i++)
{
Predicate predicate = (Predicate)members[i];
bool isOfTypePredicate = predicate is IsOfTypePredicate;
if (isOfTypePredicate)
{
predicate.Execute(queryContext, (Predicate)members[++i]);
}
else
{
CollectionOperation mergeType = (Inverse == true || (queryContext.InternalQueryResult.Count == 0 & i == 0)) ? CollectionOperation.Union : CollectionOperation.Intersection;
predicate.ExecuteInternal(queryContext, mergeType);
}
}
}
internal override void Execute(QueryContext queryContext, Predicate nextPredicate)
{
bool sortAscending = true;
bool normalizePredicates = true;
if (Inverse)
{
sortAscending = false;
}
SortedList list = new SortedList(new QueryResultComparer(sortAscending));
for (int i = 0; i < members.Count; i++)
{
Predicate predicate = (Predicate)members[i];
bool isOfTypePredicate = predicate is IsOfTypePredicate;
if (isOfTypePredicate)
{
predicate.Execute(queryContext, (Predicate)members[++i]);
normalizePredicates = false;
}
else
{
predicate.ExecuteInternal(queryContext, ref list);
}
}
if (normalizePredicates)
{
if (Inverse)
{
queryContext.Tree.RightList = GetUnion(list);
}
else
{
queryContext.Tree.RightList = GetIntersection(list);
}
}
}
internal override void Execute(QueryContext queryContext, Predicate nextPredicate)
{
for (int i = 0; i < members.Count; i++)
{
if (queryContext.CancellationToken != null && queryContext.CancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException(ExceptionsResource.OperationFailed);
}
Predicate predicate = (Predicate)members[i];
bool isOfTypePredicate = predicate is IsOfTypePredicate;
if (isOfTypePredicate)
{
predicate.Execute(queryContext, (Predicate)members[++i]);
}
else
{
CollectionOperation mergeType = (Inverse == true || (queryContext.InternalQueryResult.Count == 0 & i == 0)) ? CollectionOperation.Union : CollectionOperation.Intersection;
predicate.ExecuteInternal(queryContext, mergeType);
}
}
}
/// <summary>
/// /// returns the keylist fullfilling the specified criteria.
/// </summary>
/// <param name="queryString">a string describing the search criteria.</param>
/// <returns>a list of keys.</returns>
internal override QueryContext SearchInternal(Predicate pred, IDictionary values)
{
QueryContext queryContext = new QueryContext(this);
queryContext.AttributeValues = values;
queryContext.CacheContext = _context.CacheRoot.Name;
try
{
pred.Execute(queryContext, null);
return queryContext;
}
catch (Exception)
{
throw;
}
}
