private void HandleDotStructure(IASTNode dotStructureRoot)
{
var expression = ASTUtil.GetPathText(dotStructureRoot);
var constant = ReflectHelper.GetConstantValue(expression, _sfi);
if (constant != null)
{
dotStructureRoot.ClearChildren();
dotStructureRoot.Type = HqlSqlWalker.JAVA_CONSTANT;
dotStructureRoot.Text = expression;
}
}
private IQueryable ResolveEntityJoinReferencedPersister(IASTNode path)
{
if (path.Type == IDENT)
{
var pathIdentNode = (IdentNode)path;
return(SessionFactoryHelper.FindQueryableUsingImports(pathIdentNode.Path));
}
else if (path.Type == DOT)
{
var pathText = ASTUtil.GetPathText(path);
return(SessionFactoryHelper.FindQueryableUsingImports(pathText));
}
return(null);
}
private IQueryable ResolveEntityJoinReferencedPersister(IASTNode path)
{
if (path.Type == IDENT)
{
var pathIdentNode = (IdentNode)path;
// Since IDENT node is not expected for implicit join path, we can throw on not found persister
return((IQueryable)SessionFactoryHelper.RequireClassPersister(pathIdentNode.Path));
}
else if (path.Type == DOT)
{
var pathText = ASTUtil.GetPathText(path);
return(SessionFactoryHelper.FindQueryableUsingImports(pathText));
}
return(null);
}
private void ExtractOrders(IASTNode node)
{
if (this.rootClassMetadata == null)
{
throw new NotSupportedException("Ordering of sharded scalar HQL queries is not supported");
}
var child = node.GetFirstChild();
while (child != null)
{
var propertyPath = ASTUtil.GetPathText(child);
var aliasLength = propertyPath.IndexOf('.');
if (aliasLength >= 0)
{
propertyPath = propertyPath.Substring(aliasLength + 1);
}
var isDescending = false;
child = child.NextSibling;
if (child != null)
{
isDescending = child.Type == HqlSqlWalker.DESCENDING;
if (isDescending || child.Type == HqlSqlWalker.ASCENDING)
{
child = child.NextSibling;
}
}
this.exitOperationBuilder.Orders.Add(
new SortOrder(
o => propertyPath == this.rootClassMetadata.IdentifierPropertyName
? this.rootClassMetadata.GetIdentifier(o)
: this.rootClassMetadata.GetPropertyValue(o, propertyPath),
isDescending));
}
}
private static QueryException BuildIllegalCollectionDereferenceException(string propertyName, IASTNode lhs)
{
string lhsPath = ASTUtil.GetPathText(lhs);
return(new QueryException("illegal attempt to dereference collection [" + lhsPath + "] with element property reference [" + propertyName + "]"));
}
