doc qianbing comment method `` clear '' . clears the cache . concode_field_sep Map<DatabaseConnection,SessionTreeNode> map concode_field_sep SessionTreeNode getSessionTreeNode concode_elem_sep INode convert2INode concode_elem_sep RepositoryNodeType getRepositoryType concode_elem_sep RepositoryNode getRoot
void function ( ) { map = Collections . synchronizedMap ( new HashMap < DatabaseConnection , SessionTreeNode > ( ) ) ; }