String function ( ) { return UUID . randomUUID ( ) . toString ( ) ; }
generates a unique string each time it is called . concode_field_sep TupleDesc SINGLE_INT_DESCRIPTOR concode_elem_sep int MAX_RAND_VALUE concode_field_sep long getMemoryFootprint concode_elem_sep File createRandomHeapFileUnopened concode_elem_sep double[] getDiff concode_elem_sep Object[] checkConstant concode_elem_sep HeapFile createRandomHeapFile concode_elem_sep HeapFile createRandomHeapFile concode_elem_sep HeapFile createRandomHeapFile concode_elem_sep HeapFile createRandomHeapFile concode_elem_sep ArrayList<Integer> tupleToList concode_elem_sep Object[] checkLinear concode_elem_sep void matchTuples concode_elem_sep void matchTuples concode_elem_sep void matchTuples concode_elem_sep Object[] checkQuadratic