2 * Copyright (c) 1995, Index Data.
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation, in whole or in part, for any purpose, is hereby granted,
8 * 1. This copyright and permission notice appear in all copies of the
9 * software and its documentation. Notices of copyright or attribution
10 * which appear at the beginning of any file must remain unchanged.
12 * 2. The name of Index Data or the individual authors may not be used to
13 * endorse or promote products derived from this software without specific
14 * prior written permission.
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
18 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
19 * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
20 * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
21 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR
22 * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
39 typedef struct bend_initrequest
42 Z_IdAuthentication *auth;
45 typedef struct bend_initresult
47 int errcode; /* 0==OK */
48 char *errstring; /* system error string or NULL */
49 void *handle; /* private handle to the backend module */
52 YAZ_EXPORT bend_initresult MDF *bend_init(bend_initrequest *r);
54 typedef struct bend_searchrequest
56 char *setname; /* name to give to this set */
57 int replace_set; /* replace set, if it already exists */
58 int num_bases; /* number of databases in list */
59 char **basenames; /* databases to search */
60 Z_Query *query; /* query structure */
63 typedef struct bend_searchresult
65 int hits; /* number of hits */
66 int errcode; /* 0==OK */
67 char *errstring; /* system error string or NULL */
70 YAZ_EXPORT bend_searchresult *bend_search(void *handle, bend_searchrequest *r,
72 YAZ_EXPORT bend_searchresult *bend_searchresponse(void *handle);
74 typedef struct bend_fetchrequest
76 char *setname; /* set name */
77 int number; /* record number */
78 oid_value format; /* One of the CLASS_RECSYN members */
79 Z_RecordComposition *comp; /* Formatting instructions */
80 ODR stream; /* encoding stream - memory source if required */
83 typedef struct bend_fetchresult
85 char *basename; /* name of database that provided record */
86 int len; /* length of record or -1 if structured */
87 char *record; /* record */
88 int last_in_set; /* is it? */
89 oid_value format; /* format */
90 int errcode; /* 0==success */
91 char *errstring; /* system error string or NULL */
94 YAZ_EXPORT bend_fetchresult *bend_fetch(void *handle, bend_fetchrequest *r,
96 YAZ_EXPORT bend_fetchresult *bend_fetchresponse(void *handle);
98 typedef struct bend_scanrequest
100 int num_bases; /* number of elements in databaselist */
101 char **basenames; /* databases to search */
102 oid_value attributeset;
103 Z_AttributesPlusTerm *term;
104 int term_position; /* desired index of term in result list */
105 int num_entries; /* number of entries requested */
108 typedef struct bend_scanresult
119 BEND_SCAN_SUCCESS, /* ok */
120 BEND_SCAN_PARTIAL /* not all entries could be found */
126 YAZ_EXPORT bend_scanresult *bend_scan(void *handle, bend_scanrequest *r,
128 YAZ_EXPORT bend_scanresult *bend_scanresponse(void *handle);
130 typedef struct bend_deleterequest
133 } bend_deleterequest;
135 typedef struct bend_deleteresult
137 int errcode; /* 0==success */
138 char *errstring; /* system error string or NULL */
141 YAZ_EXPORT bend_deleteresult *bend_delete(void *handle,
142 bend_deleterequest *r, int *fd);
143 YAZ_EXPORT bend_deleteresult *bend_deleteresponse(void *handle);
145 YAZ_EXPORT void bend_close(void *handle);