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Berkeley DB: DbEnv.set_lk_conflicts
DbEnv.set_lk_conflicts
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import com.sleepycat.db.*;
public void set_lk_conflicts(byte[][] conflicts)
throws DbException;
Description
Set the locking conflicts matrix.
A non-0 value for the array element indicates that requested_mode and
held_mode conflict:
conflicts[requested_mode][held_mode]
The not-granted mode must be represented by 0.
If DbEnv.set_lk_conflicts is never called, a standard conflicts
array is used; see Standard Lock
Modes for more information.
The DbEnv.set_lk_conflicts interface may be used only to configure Berkeley DB before
the DbEnv.open interface is called.
The DbEnv.set_lk_conflicts method throws an exception that encapsulates a non-zero error value on
failure.
Errors
The DbEnv.set_lk_conflicts method may fail and throw an exception encapsulating a non-zero error for the following conditions:
- EINVAL
- An invalid flag value or parameter was specified.
Called after DbEnv.open was called.
- ENOMEM
- No memory was available to copy the conflicts array.
The DbEnv.set_lk_conflicts method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods.
If a catastrophic error has occurred, the DbEnv.set_lk_conflicts method may fail and throw
a DbRunRecoveryException, in which case all subsequent Berkeley DB calls
will fail in the same way.
Class
DbEnv, DbLock
See Also
DbEnv.set_lk_conflicts,
DbEnv.set_lk_detect,
DbEnv.set_lk_max,
DbEnv.set_lk_max_lockers,
DbEnv.set_lk_max_locks,
DbEnv.set_lk_max_objects,
DbEnv.lock_detect,
DbEnv.lock_get,
DbEnv.lock_id,
DbLock.put,
and
DbEnv.lock_stat.
Copyright Sleepycat Software
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