public static Locker getWritableLocker__wrappee__base(
Environment env,
Transaction userTxn,
boolean dbIsTransactional,
boolean retainNonTxnLocks,
TransactionConfig autoCommitConfig)
throws DatabaseException {
EnvironmentImpl envImpl = DbInternal.envGetEnvironmentImpl(env);
boolean envIsTransactional = envImpl.isTransactional();
if (userTxn == null) {
Transaction xaLocker = env.getThreadTransaction();
if (xaLocker != null) {
return DbInternal.getLocker(xaLocker);
}
}
if (dbIsTransactional && userTxn == null) {
if (autoCommitConfig == null) {
autoCommitConfig = DbInternal.getDefaultTxnConfig(env);
}
return new AutoTxn(envImpl, autoCommitConfig);
} else if (userTxn == null) {
if (retainNonTxnLocks) {
return new BasicLocker(envImpl);
} else {
return new ThreadLocker(envImpl);
}
} else {
if (!envIsTransactional) {
throw new DatabaseException(
"A Transaction cannot be used because the"
+ " environment was opened"
+ " non-transactionally");
}
if (!dbIsTransactional) {
throw new DatabaseException(
"A Transaction cannot be used because the"
+ " database was opened"
+ " non-transactionally");
}
Locker locker = DbInternal.getLocker(userTxn);
if (locker.isReadCommittedIsolation() && !retainNonTxnLocks) {
return new ReadCommittedLocker(envImpl, locker);
} else {
return locker;
}
}
}
public static Locker getReadableLocker__wrappee__base(
Environment env,
Transaction userTxn,
boolean dbIsTransactional,
boolean retainNonTxnLocks,
boolean readCommittedIsolation)
throws DatabaseException {
if (userTxn != null && !dbIsTransactional) {
throw new DatabaseException(
"A Transaction cannot be used because the"
+ " database was opened"
+ " non-transactionally");
}
Locker locker = null;
if (userTxn != null) {
locker = DbInternal.getLocker(userTxn);
if (locker.isReadCommittedIsolation()) {
readCommittedIsolation = true;
}
}
return getReadableLocker(env, locker, retainNonTxnLocks, readCommittedIsolation);
}
public static Locker getReadableLocker__wrappee__base(
Environment env,
Database dbHandle,
Locker locker,
boolean retainNonTxnLocks,
boolean readCommittedIsolation)
throws DatabaseException {
DatabaseImpl dbImpl = DbInternal.dbGetDatabaseImpl(dbHandle);
if (!dbImpl.isTransactional() && locker != null && locker.isTransactional()) {
throw new DatabaseException(
"A Transaction cannot be used because the"
+ " database was opened"
+ " non-transactionally");
}
if (locker != null && !locker.isTransactional() && !retainNonTxnLocks) {
locker = null;
}
if (locker != null && locker.isReadCommittedIsolation()) {
readCommittedIsolation = true;
}
return getReadableLocker(env, locker, retainNonTxnLocks, readCommittedIsolation);
}
