2
<!--Copyright 1997-2002 by Sleepycat Software, Inc.-->
3
<!--All rights reserved.-->
4
<!--See the file LICENSE for redistribution information.-->
7
<title>Berkeley DB: Berkeley DB: Java Interface</title>
8
<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
9
<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
12
<h1 align=center>Berkeley DB: Java Interface</h1>
13
<p><table border=1 align=center>
14
<tr><th>Section</th><th>Class/Method</th><th>Description</th></tr>
15
<tr><td><b>Database Environment</b></td><td><a href="../api_java/env_class.html">DbEnv</a></td><td>Create an environment handle</td></tr>
16
<tr><td><br></td><td><a href="../api_java/env_close.html">DbEnv.close</a></td><td>Close an environment</td></tr>
17
<tr><td><br></td><td><a href="../api_java/env_dbremove.html">DbEnv.dbremove</a></td><td>Remove a database</td></tr>
18
<tr><td><br></td><td><a href="../api_java/env_dbrename.html">DbEnv.dbrename</a></td><td>Rename a database</td></tr>
19
<tr><td><br></td><td><a href="../api_java/env_err.html">DbEnv.err</a></td><td>Error message with error string</td></tr>
20
<tr><td><br></td><td><a href="../api_java/env_err.html">DbEnv.errx</a></td><td>Error message</td></tr>
21
<tr><td><br></td><td><a href="../api_java/env_open.html">DbEnv.open</a></td><td>Open an environment</td></tr>
22
<tr><td><br></td><td><a href="../api_java/env_remove.html">DbEnv.remove</a></td><td>Remove an environment</td></tr>
23
<tr><td><br></td><td><a href="../api_java/env_strerror.html">DbEnv.strerror</a></td><td>Error strings</td></tr>
24
<tr><td><br></td><td><a href="../api_java/env_version.html">DbEnv.version</a></td><td>Return version information</td></tr>
25
<tr><td><b>Environment Configuration</b></td><td><a href="../api_java/env_set_app_dispatch.html">DbEnv.set_app_dispatch</a></td><td>Configure application recovery interface</td></tr>
26
<tr><td><br></td><td><a href="../api_java/env_set_data_dir.html">DbEnv.set_data_dir</a></td><td>Set the environment data directory</td></tr>
27
<tr><td><br></td><td><a href="../api_java/env_set_encrypt.html">DbEnv.set_encrypt</a></td><td>Set the environment cryptographic key</td></tr>
28
<tr><td><br></td><td><a href="../api_java/env_set_errcall.html">DbEnv.set_errcall</a></td><td>Set error message callback</td></tr>
29
<tr><td><br></td><td><a href="../api_java/env_set_error_stream.html">DbEnv.set_error_stream</a></td><td>Set error message output stream</td></tr>
30
<tr><td><br></td><td><a href="../api_java/env_set_errpfx.html">DbEnv.set_errpfx</a></td><td>Set error message prefix</td></tr>
31
<tr><td><br></td><td><a href="../api_java/env_set_feedback.html">DbEnv.set_feedback</a></td><td>Set feedback callback</td></tr>
32
<tr><td><br></td><td><a href="../api_java/env_set_flags.html">DbEnv.set_flags</a></td><td>Environment configuration</td></tr>
33
<tr><td><br></td><td><a href="../api_java/env_set_rpc_server.html">DbEnv.set_rpc_server</a></td><td>Establish an RPC server connection</td></tr>
34
<tr><td><br></td><td><a href="../api_java/env_set_shm_key.html">DbEnv.set_shm_key</a></td><td>Set system memory shared segment ID</td></tr>
35
<tr><td><br></td><td><a href="../api_java/env_set_tas_spins.html">DbEnv.set_tas_spins</a></td><td>Set the number of test-and-set spins</td></tr>
36
<tr><td><br></td><td><a href="../api_java/env_set_timeout.html">DbEnv.set_timeout</a></td><td>Set lock and transaction timeout</td></tr>
37
<tr><td><br></td><td><a href="../api_java/env_set_tmp_dir.html">DbEnv.set_tmp_dir</a></td><td>Set the environment temporary file directory</td></tr>
38
<tr><td><br></td><td><a href="../api_java/env_set_verbose.html">DbEnv.set_verbose</a></td><td>Set verbose messages</td></tr>
39
<tr><td><b>Database Operations</b></td><td><a href="../api_java/db_class.html">Db</a></td><td>Create a database handle</td></tr>
40
<tr><td><br></td><td><a href="../api_java/db_associate.html">Db.associate</a></td><td>Associate a secondary index</td></tr>
41
<tr><td><br></td><td><a href="../api_java/db_close.html">Db.close</a></td><td>Close a database</td></tr>
42
<tr><td><br></td><td><a href="../api_java/db_del.html">Db.del</a></td><td>Delete items from a database</td></tr>
43
<tr><td><br></td><td><a href="../api_java/db_err.html">Db.err</a></td><td>Error message with error string</td></tr>
44
<tr><td><br></td><td><a href="../api_java/db_err.html">Db.errx</a></td><td>Error message</td></tr>
45
<tr><td><br></td><td><a href="../api_java/db_fd.html">Db.fd</a></td><td>Return a file descriptor from a database</td></tr>
46
<tr><td><br></td><td><a href="../api_java/db_get.html">Db.get</a>, <a href="../api_java/db_get.html">Db.pget</a></td><td>Get items from a database</td></tr>
47
<tr><td><br></td><td><a href="../api_java/db_get_byteswapped.html">Db.get_byteswapped</a></td><td>Return if the underlying database is in host order</td></tr>
48
<tr><td><br></td><td><a href="../api_java/db_get_type.html">Db.get_type</a></td><td>Return the database type</td></tr>
49
<tr><td><br></td><td><a href="../api_java/db_join.html">Db.join</a></td><td>Perform a database join on cursors</td></tr>
50
<tr><td><br></td><td><a href="../api_java/db_key_range.html">Db.key_range</a></td><td>Return estimate of key location</td></tr>
51
<tr><td><br></td><td><a href="../api_java/db_open.html">Db.open</a></td><td>Open a database</td></tr>
52
<tr><td><br></td><td><a href="../api_java/db_put.html">Db.put</a></td><td>Store items into a database</td></tr>
53
<tr><td><br></td><td><a href="../api_java/db_remove.html">Db.remove</a></td><td>Remove a database</td></tr>
54
<tr><td><br></td><td><a href="../api_java/db_rename.html">Db.rename</a></td><td>Rename a database</td></tr>
55
<tr><td><br></td><td><a href="../api_java/db_stat.html">Db.stat</a></td><td>Return database statistics</td></tr>
56
<tr><td><br></td><td><a href="../api_java/db_sync.html">Db.sync</a></td><td>Flush a database to stable storage</td></tr>
57
<tr><td><br></td><td><a href="../api_java/db_truncate.html">Db.truncate</a></td><td>Empty a database</td></tr>
58
<tr><td><br></td><td><a href="../api_java/db_upgrade.html">Db.upgrade</a></td><td>Upgrade a database</td></tr>
59
<tr><td><br></td><td><a href="../api_java/db_verify.html">Db.verify</a></td><td>Verify/salvage a database</td></tr>
60
<tr><td><b>Database Configuration</b></td><td><a href="../api_java/db_set_cache_priority.html">Db.set_cache_priority</a></td><td>Set the database cache priority</td></tr>
61
<tr><td><br></td><td><a href="../api_java/db_set_cachesize.html">Db.set_cachesize</a></td><td>Set the database cache size</td></tr>
62
<tr><td><br></td><td><a href="../api_java/db_set_dup_compare.html">Db.set_dup_compare</a></td><td>Set a duplicate comparison function</td></tr>
63
<tr><td><br></td><td><a href="../api_java/db_set_encrypt.html">Db.set_encrypt</a></td><td>Set the database cryptographic key</td></tr>
64
<tr><td><br></td><td><a href="../api_java/db_set_errcall.html">Db.set_errcall</a></td><td>Set error message callback</td></tr>
65
<tr><td><br></td><td><a href="../api_java/db_set_error_stream.html">Db.set_error_stream</a></td><td>Set error message output stream</td></tr>
66
<tr><td><br></td><td><a href="../api_java/db_set_errpfx.html">Db.set_errpfx</a></td><td>Set error message prefix</td></tr>
67
<tr><td><br></td><td><a href="../api_java/db_set_feedback.html">Db.set_feedback</a></td><td>Set feedback callback</td></tr>
68
<tr><td><br></td><td><a href="../api_java/db_set_flags.html">Db.set_flags</a></td><td>General database configuration</td></tr>
69
<tr><td><br></td><td><a href="../api_java/db_set_lorder.html">Db.set_lorder</a></td><td>Set the database byte order</td></tr>
70
<tr><td><br></td><td><a href="../api_java/db_set_pagesize.html">Db.set_pagesize</a></td><td>Set the underlying database page size</td></tr>
71
<tr><td><b>Btree/Recno Configuration</b></td><td><a href="../api_java/db_set_append_recno.html">Db.set_append_recno</a></td><td>Set record append callback</td></tr>
72
<tr><td><br></td><td><a href="../api_java/db_set_bt_compare.html">Db.set_bt_compare</a></td><td>Set a Btree comparison function</td></tr>
73
<tr><td><br></td><td><a href="../api_java/db_set_bt_minkey.html">Db.set_bt_minkey</a></td><td>Set the minimum number of keys per Btree page</td></tr>
74
<tr><td><br></td><td><a href="../api_java/db_set_bt_prefix.html">Db.set_bt_prefix</a></td><td>Set a Btree prefix comparison function</td></tr>
75
<tr><td><br></td><td><a href="../api_java/db_set_re_delim.html">Db.set_re_delim</a></td><td>Set the variable-length record delimiter</td></tr>
76
<tr><td><br></td><td><a href="../api_java/db_set_re_len.html">Db.set_re_len</a></td><td>Set the fixed-length record length</td></tr>
77
<tr><td><br></td><td><a href="../api_java/db_set_re_pad.html">Db.set_re_pad</a></td><td>Set the fixed-length record pad byte</td></tr>
78
<tr><td><br></td><td><a href="../api_java/db_set_re_source.html">Db.set_re_source</a></td><td>Set the backing Recno text file</td></tr>
79
<tr><td><b>Hash Configuration</b></td><td><a href="../api_java/db_set_h_ffactor.html">Db.set_h_ffactor</a></td><td>Set the Hash table density</td></tr>
80
<tr><td><br></td><td><a href="../api_java/db_set_h_hash.html">Db.set_h_hash</a></td><td>Set a hashing function</td></tr>
81
<tr><td><br></td><td><a href="../api_java/db_set_h_nelem.html">Db.set_h_nelem</a></td><td>Set the Hash table size</td></tr>
82
<tr><td><b>Queue Configuration</b></td><td><a href="../api_java/db_set_q_extentsize.html">Db.set_q_extentsize</a></td><td>Set Queue database extent size</td></tr>
83
<tr><td><b>Database Cursor Operations</b></td><td><a href="../api_java/dbc_class.html">Dbc</a></td><td><b>Cursor class</b></td></tr>
84
<tr><td><br></td><td><a href="../api_java/db_cursor.html">Db.cursor</a></td><td>Create a cursor handle</td></tr>
85
<tr><td><br></td><td><a href="../api_java/dbc_close.html">Dbc.close</a></td><td>Close a cursor</td></tr>
86
<tr><td><br></td><td><a href="../api_java/dbc_count.html">Dbc.count</a></td><td>Return count of duplicates</td></tr>
87
<tr><td><br></td><td><a href="../api_java/dbc_del.html">Dbc.del</a></td><td>Delete by cursor</td></tr>
88
<tr><td><br></td><td><a href="../api_java/dbc_dup.html">Dbc.dup</a></td><td>Duplicate a cursor</td></tr>
89
<tr><td><br></td><td><a href="../api_java/dbc_get.html">Dbc.get</a>, <a href="../api_java/dbc_get.html">Dbc.pget</a></td><td>Retrieve by cursor</td></tr>
90
<tr><td><br></td><td><a href="../api_java/dbc_put.html">Dbc.put</a></td><td>Store by cursor</td></tr>
91
<tr><td><b>Key/Data Pairs</b></td><td><a href="../api_java/dbt_class.html">Dbt</a></td><td><br></td></tr>
92
<tr><td><b>Bulk Retrieval</b></td><td><a href="../api_java/dbt_bulk_class.html">DbMultipleDataIterator</a></td><td><br></td></tr>
93
<tr><td><br></td><td><a href="../api_java/dbt_bulk_class.html">DbMultipleKeyDataIterator</a></td><td><br></td></tr>
94
<tr><td><br></td><td><a href="../api_java/dbt_bulk_class.html">DbMultipleRecnoDataIterator</a></td><td><br></td></tr>
95
<tr><td><b>Lock Subsystem</b></td><td><a href="../api_java/env_set_lk_conflicts.html">DbEnv.set_lk_conflicts</a></td><td>Set lock conflicts matrix</td></tr>
96
<tr><td><br></td><td><a href="../api_java/env_set_lk_detect.html">DbEnv.set_lk_detect</a></td><td>Set automatic deadlock detection</td></tr>
97
<tr><td><br></td><td><a href="../api_java/env_set_lk_max_lockers.html">DbEnv.set_lk_max_lockers</a></td><td>Set maximum number of lockers</td></tr>
98
<tr><td><br></td><td><a href="../api_java/env_set_lk_max_locks.html">DbEnv.set_lk_max_locks</a></td><td>Set maximum number of locks</td></tr>
99
<tr><td><br></td><td><a href="../api_java/env_set_lk_max_objects.html">DbEnv.set_lk_max_objects</a></td><td>Set maximum number of lock objects</td></tr>
100
<tr><td><br></td><td><a href="../api_java/lock_detect.html">DbEnv.lock_detect</a></td><td>Perform deadlock detection</td></tr>
101
<tr><td><br></td><td><a href="../api_java/lock_get.html">DbEnv.lock_get</a></td><td>Acquire a lock</td></tr>
102
<tr><td><br></td><td><a href="../api_java/lock_id.html">DbEnv.lock_id</a></td><td>Acquire a locker ID</td></tr>
103
<tr><td><br></td><td><a href="../api_java/lock_id_free.html">DbEnv.lock_id_free</a></td><td>Release a locker ID</td></tr>
104
<tr><td><br></td><td><a href="../api_java/lock_put.html">DbEnv.lock_put</a></td><td>Release a lock</td></tr>
105
<tr><td><br></td><td><a href="../api_java/lock_stat.html">DbEnv.lock_stat</a></td><td>Return lock subsystem statistics</td></tr>
106
<tr><td><br></td><td><a href="../api_java/lock_vec.html">DbEnv.lock_vec</a></td><td>Acquire/release locks</td></tr>
107
<tr><td><b>Log Subsystem</b></td><td><a href="../api_java/env_set_lg_bsize.html">DbEnv.set_lg_bsize</a></td><td>Set log buffer size</td></tr>
108
<tr><td><br></td><td><a href="../api_java/env_set_lg_dir.html">DbEnv.set_lg_dir</a></td><td>Set the environment logging directory</td></tr>
109
<tr><td><br></td><td><a href="../api_java/env_set_lg_max.html">DbEnv.set_lg_max</a></td><td>Set log file size</td></tr>
110
<tr><td><br></td><td><a href="../api_java/env_set_lg_regionmax.html">DbEnv.set_lg_regionmax</a></td><td>Set logging region size</td></tr>
111
<tr><td><br></td><td><a href="../api_java/log_archive.html">DbEnv.log_archive</a></td><td>List log and database files</td></tr>
112
<tr><td><br></td><td><a href="../api_java/log_file.html">DbEnv.log_file</a></td><td>Map Log Sequence Numbers to log files</td></tr>
113
<tr><td><br></td><td><a href="../api_java/log_flush.html">DbEnv.log_flush</a></td><td>Flush log records</td></tr>
114
<tr><td><br></td><td><a href="../api_java/log_put.html">DbEnv.log_put</a></td><td>Write a log record</td></tr>
115
<tr><td><br></td><td><a href="../api_java/log_stat.html">DbEnv.log_stat</a></td><td>Return log subsystem statistics</td></tr>
116
<tr><td><b>Log Cursor Operations</b></td><td><a href="../api_java/logc_class.html">DbLogc</a></td><td><b>Log cursor class</b></td></tr>
117
<tr><td><br></td><td><a href="../api_java/log_cursor.html">DbEnv.log_cursor</a></td><td>Create a log cursor handle</td></tr>
118
<tr><td><br></td><td><a href="../api_java/logc_close.html">DbLogc.close</a></td><td>Close a log cursor</td></tr>
119
<tr><td><br></td><td><a href="../api_java/logc_get.html">DbLogc.get</a></td><td>Retrieve a log record</td></tr>
120
<tr><td><b>Log Sequence Numbers</b></td><td><a href="../api_java/lsn_class.html">DbLsn</a></td><td><br></td></tr>
121
<tr><td><br></td><td><a href="../api_java/log_compare.html">DbEnv.log_compare</a></td><td>Compare two Log Sequence Numbers</td></tr>
122
<tr><td><b>Memory Pool Subsystem</b></td><td><a href="../api_java/env_set_cachesize.html">DbEnv.set_cachesize</a></td><td>Set the environment cache size</td></tr>
123
<tr><td><br></td><td><a href="../api_java/env_set_mp_mmapsize.html">DbEnv.set_mp_mmapsize</a></td><td>Set maximum mapped-in database file size</td></tr>
124
<tr><td><br></td><td><a href="../api_java/memp_stat.html">DbEnv.memp_stat</a>, <a href="../api_java/memp_stat.html">DbEnv.memp_fstat</a></td><td>Return memory pool statistics</td></tr>
125
<tr><td><br></td><td><a href="../api_java/memp_trickle.html">DbEnv.memp_trickle</a></td><td>Trickle flush pages from a memory pool</td></tr>
126
<tr><td><b>Transaction Subsystem</b></td><td><a href="../api_java/env_set_tx_max.html">DbEnv.set_tx_max</a></td><td>Set maximum number of transactions</td></tr>
127
<tr><td><br></td><td><a href="../api_java/env_set_tx_timestamp.html">DbEnv.set_tx_timestamp</a></td><td>Set recovery timestamp</td></tr>
128
<tr><td><br></td><td><a href="../api_java/txn_checkpoint.html">DbEnv.txn_checkpoint</a></td><td>Checkpoint the transaction subsystem</td></tr>
129
<tr><td><br></td><td><a href="../api_java/txn_recover.html">DbEnv.txn_recover</a></td><td>Distributed transaction recovery</td></tr>
130
<tr><td><br></td><td><a href="../api_java/txn_stat.html">DbEnv.txn_stat</a></td><td>Return transaction subsystem statistics</td></tr>
131
<tr><td><b>Transactions</b></td><td><a href="../api_java/txn_class.html">DbTxn</a></td><td><b>Transaction class</b></td></tr>
132
<tr><td><br></td><td><a href="../api_java/txn_begin.html">DbEnv.txn_begin</a></td><td>Begin a transaction</td></tr>
133
<tr><td><br></td><td><a href="../api_java/txn_abort.html">DbTxn.abort</a></td><td>Abort a transaction</td></tr>
134
<tr><td><br></td><td><a href="../api_java/txn_commit.html">DbTxn.commit</a></td><td>Commit a transaction</td></tr>
135
<tr><td><br></td><td><a href="../api_java/txn_discard.html">DbTxn.discard</a></td><td>Discard a prepared but not resolved transaction handle</td></tr>
136
<tr><td><br></td><td><a href="../api_java/txn_id.html">DbTxn.id</a></td><td>Return a transaction's ID</td></tr>
137
<tr><td><br></td><td><a href="../api_java/txn_prepare.html">DbTxn.prepare</a></td><td>Prepare a transaction for commit</td></tr>
138
<tr><td><br></td><td><a href="../api_java/txn_set_timeout.html">DbTxn.set_timeout</a></td><td>Set transaction timeout</td></tr>
139
<tr><td><b>Replication</b></td><td><a href="../api_java/rep_transport.html">DbEnv.set_rep_transport</a></td><td>Configure replication transport</td></tr>
140
<tr><td><br></td><td><a href="../api_java/rep_elect.html">DbEnv.rep_elect</a></td><td>Hold a replication election</td></tr>
141
<tr><td><br></td><td><a href="../api_java/rep_limit.html">DbEnv.set_rep_limit</a></td><td>Limit data sent in response to a single message</td></tr>
142
<tr><td><br></td><td><a href="../api_java/rep_message.html">DbEnv.rep_process_message</a></td><td>Process a replication message</td></tr>
143
<tr><td><br></td><td><a href="../api_java/rep_start.html">DbEnv.rep_start</a></td><td>Configure an environment for replication</td></tr>
144
<tr><td><br></td><td><a href="../api_java/rep_stat.html">DbEnv.rep_stat</a></td><td>Replication statistics</td></tr>
145
<tr><td><b>Exceptions</b></td><td><a href="../api_java/except_class.html">DbException</a></td><td><b>Exception Class for Berkeley DB Activity</b></td></tr>
146
<tr><td><br></td><td><a href="../api_java/deadlock_class.html">DbDeadlockException</a></td><td><b>Exception Class for deadlocks</b></td></tr>
147
<tr><td><br></td><td><a href="../api_java/lockng_class.html">DbLockNotGrantedException</a></td><td><b>Exception Class for lock request failures</b></td></tr>
148
<tr><td><br></td><td><a href="../api_java/memp_class.html">DbMemoryException</a></td><td><b>Exception Class for insufficient memory</b></td></tr>
149
<tr><td><br></td><td><a href="../api_java/runrec_class.html">DbRunRecoveryException</a></td><td><b>Exception Class for failures requiring recovery</b></td></tr>
151
<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font>
added
removed
libdb/docs/api_java/c_index.html
