public synchronized Cursor openCursor__wrappee__base(Transaction txn, CursorConfig cursorConfig)
throws DatabaseException {
checkEnv();
checkRequiredDbState(OPEN, "Can't open a cursor");
CursorConfig useConfig = (cursorConfig == null) ? CursorConfig.DEFAULT : cursorConfig;
if (useConfig.getReadUncommitted() && useConfig.getReadCommitted()) {
throw new IllegalArgumentException(
"Only one may be specified: ReadCommitted or ReadUncommitted");
}
this.hook46(txn, cursorConfig);
Cursor ret = newDbcInstance(txn, useConfig);
return ret;
}
/**
* Obtain a cursor on a database, returning a <code>SecondaryCursor</code>. Calling this method is
* the equivalent of calling {@link #openCursor} and casting the result to {@link
* SecondaryCursor}.
*
* <p>
*
* @param txn To use a cursor for writing to a transactional database, an explicit transaction
* must be specified. For read-only access to a transactional database, the transaction may be
* null. For a non-transactional database, the transaction must be null.
* <p>To transaction-protect cursor operations, cursors must be opened and closed within the
* context of a transaction, and the txn parameter specifies the transaction context in which
* the cursor will be used.
* <p>
* @param config The cursor attributes. If null, default attributes are used.
* <p>
* @return A secondary database cursor.
* <p>
* @throws DatabaseException if a failure occurs.
*/
public SecondaryCursor openSecondaryCursor(final Transaction txn, final CursorConfig config)
throws DatabaseException {
return new SecondaryCursor(
this,
CursorConfig.checkNull(config).openCursor(db, (txn == null) ? null : txn.txn),
config);
}