protected override IQueryNode PostProcessNode(IQueryNode node)
{
if (node is IFieldableNode &&
(node.Parent == null || !(node.Parent is IFieldableNode)))
{
IFieldableNode fieldNode = (IFieldableNode)node;
QueryConfigHandler config = GetQueryConfigHandler();
if (config != null)
{
string field = fieldNode.Field;
FieldConfig fieldConfig = config.GetFieldConfig(StringUtils.ToString(field));
if (fieldConfig != null)
{
float?boost = fieldConfig.Get(ConfigurationKeys.BOOST);
if (boost != null)
{
return(new BoostQueryNode(node, boost.Value));
}
}
}
}
return(node);
}
protected override IQueryNode PreProcessNode(IQueryNode node)
{
if (node is IFieldableNode)
{
IFieldableNode fieldNode = (IFieldableNode)node;
QueryConfigHandler queryConfig = GetQueryConfigHandler();
if (queryConfig == null)
{
throw new ArgumentException(
"A config handler is expected by the processor UniqueFieldQueryNodeProcessor!");
}
if (!queryConfig.Has(SpansQueryConfigHandler.UNIQUE_FIELD))
{
throw new ArgumentException(
"UniqueFieldAttribute should be defined in the config handler!");
}
String uniqueField = queryConfig.Get(SpansQueryConfigHandler.UNIQUE_FIELD);
fieldNode.Field = (uniqueField);
}
return(node);
}
protected override IQueryNode PreProcessNode(IQueryNode node)
{
if (node is IFieldableNode)
{
this.processChildren = false;
IFieldableNode fieldNode = (IFieldableNode)node;
if (fieldNode.Field == null)
{
string[] fields = GetQueryConfigHandler().Get(ConfigurationKeys.MULTI_FIELDS);
if (fields == null)
{
throw new ArgumentException(
"StandardQueryConfigHandler.ConfigurationKeys.MULTI_FIELDS should be set on the QueryConfigHandler");
}
if (fields != null && fields.Length > 0)
{
fieldNode.Field = fields[0];
if (fields.Length == 1)
{
return(fieldNode);
}
else
{
List <IQueryNode> children = new List <IQueryNode>();
children.Add(fieldNode);
for (int i = 1; i < fields.Length; i++)
{
fieldNode = (IFieldableNode)fieldNode.CloneTree();
fieldNode.Field = fields[i];
children.Add(fieldNode);
}
return(new GroupQueryNode(new OrQueryNode(children)));
}
}
}
}
return(node);
}
