verify if a node contains a tag concode_field_sep List<QueryNode> clauses concode_elem_sep String PLAINTEXT_FIELD_NAME concode_elem_sep QueryNode parent concode_elem_sep boolean isLeaf concode_elem_sep Hashtable<String,Object> tags concode_elem_sep boolean toQueryStringIgnoreFields concode_field_sep void add concode_elem_sep void add concode_elem_sep QueryNode getParent concode_elem_sep void set concode_elem_sep void removeChildren concode_elem_sep boolean isRoot concode_elem_sep void unsetTag concode_elem_sep Map<String,Object> getTagMap concode_elem_sep void setLeaf concode_elem_sep Object getTag concode_elem_sep boolean isLeaf concode_elem_sep QueryNode cloneTree concode_elem_sep List<QueryNode> getChildren concode_elem_sep void removeFromParent concode_elem_sep void allocate concode_elem_sep boolean isDefaultField concode_elem_sep QueryNode clone concode_elem_sep void setTag concode_elem_sep String toString concode_elem_sep void setParent
boolean function ( String arg0 ) { return this . tags . containsKey ( arg0 . toLowerCase ( Locale . ROOT ) ) ; }