private Expression BindAnyQueryNode(AnyQueryNode anyQueryNode)
{
ParameterExpression anyIt = HandleLambdaParameters(anyQueryNode.Parameters);
Expression source;
Contract.Assert(anyQueryNode.Source != null);
source = Bind(anyQueryNode.Source);
Expression body = null;
// uri parser places an Constant node with value true for empty any() body
if (anyQueryNode.Body != null && anyQueryNode.Body.Kind != QueryNodeKind.Constant)
{
body = Bind(anyQueryNode.Body);
body = ApplyNullPropagationForFilterBody(body);
body = Expression.Lambda(body, anyIt);
}
Expression any = Any(source, body);
if (_querySettings.HandleNullPropagation == HandleNullPropagationOption.True && IsNullable(source.Type))
{
// IFF(source == null) null; else Any(body);
any = ToNullable(any);
return(Expression.Condition(
test: Expression.Equal(source, _nullConstant),
ifTrue: Expression.Constant(null, any.Type),
ifFalse: any));
}
else
{
return(any);
}
}
public virtual Query Build(IQueryNode queryNode)
{
AnyQueryNode andNode = (AnyQueryNode)queryNode;
BooleanQuery bQuery = new BooleanQuery();
IList <IQueryNode> children = andNode.GetChildren();
if (children != null)
{
foreach (IQueryNode child in children)
{
object obj = child.GetTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
if (obj != null)
{
Query query = (Query)obj;
try
{
bQuery.Add(query, Occur.SHOULD);
}
catch (BooleanQuery.TooManyClausesException ex)
{
// LUCENENET: Factored out NLS/Message/IMessage so end users can optionally utilize the built-in .NET localization.
throw new QueryNodeException(
/*
* IQQQ.Q0028E_TOO_MANY_BOOLEAN_CLAUSES,
* BooleanQuery.getMaxClauseCount()
*/
QueryParserMessages.EMPTY_MESSAGE, ex);
}
}
}
}
bQuery.MinimumNumberShouldMatch = andNode.MinimumMatchingElements;
return(bQuery);
}
public virtual Query Build(IQueryNode queryNode)
{
AnyQueryNode andNode = (AnyQueryNode)queryNode;
BooleanQuery bQuery = new BooleanQuery();
IList <IQueryNode> children = andNode.GetChildren();
if (children != null)
{
foreach (IQueryNode child in children)
{
object obj = child.GetTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
if (obj != null)
{
Query query = (Query)obj;
try
{
bQuery.Add(query, BooleanClause.Occur.SHOULD);
}
catch (BooleanQuery.TooManyClauses ex)
{
throw new QueryNodeException(new MessageImpl(
/*
* IQQQ.Q0028E_TOO_MANY_BOOLEAN_CLAUSES,
* BooleanQuery.getMaxClauseCount()
*/QueryParserMessages.EMPTY_MESSAGE), ex);
}
}
}
}
bQuery.MinimumNumberShouldMatch = andNode.MinimumMatchingElements;
return(bQuery);
}
