question: the main method of the pool . returns an available connection . if we ca n't get an available connection within `` timeout '' , we will throw an exception . concode_field_sep Connection conn concode_elem_sep String pooled concode_elem_sep String connURL concode_elem_sep boolean inUse concode_elem_sep Collection<PooledConnection> pool concode_elem_sep int timeout concode_elem_sep String pooledSize concode_field_sep void realClose concode_elem_sep void reconnect concode_elem_sep void useIt concode_elem_sep void repairConnection concode_elem_sep boolean inUse concode_elem_sep Object invoke concode_elem_sep void initialize concode_elem_sep void shutdown
target: Connection function ( ) { return getConnection ( 0 ) ; }