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54 #include "utility/funcs.h"
55 #include "utility/pm_random.h"
56 #include "dstr/dlist.h"
57 #include "dynhash/data_t.h"
60 /*******************************/
61 // An imp_bucket object forms
62 // a second level hash function
63 /*******************************/
64 class imp_bucket : public dlist
68 int k; // valye k used in H_{{2M_j}^2}()
69 int rotate; // rotate value for this key subset
73 virtual ~imp_bucket();
75 data_t* operator()(long ind);
77 int h(int key, int prime, int M); //hash function H_{{2M_j}^2}()
78 Boolean empty() ; //bucket empty?
80 Boolean insert(data_t*);
83 ostream& asciiOut(ostream& out, print_func_ptr_t print_f);
85 friend ostream& operator<<(ostream&, imp_bucket&);
89 typedef imp_bucket* imp_bucketPtr;