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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2001-2002
* Sleepycat Software. All rights reserved.
*
* Id: RpcDbTxn.java,v 1.2 2002/08/09 01:56:10 bostic Exp
*/
package com.sleepycat.db.rpcserver;
import com.sleepycat.db.*;
import java.io.IOException;
import java.io.*;
import java.util.*;
/**
* RPC wrapper around a txn object for the Java RPC server.
*/
public class RpcDbTxn extends Timer
{
RpcDbEnv rdbenv;
DbTxn txn;
public RpcDbTxn(RpcDbEnv rdbenv, DbTxn txn)
{
this.rdbenv = rdbenv;
this.txn = txn;
}
void dispose()
{
if (txn != null) {
try {
txn.abort();
} catch(DbException e) {
e.printStackTrace(DbServer.err);
}
txn = null;
}
}
public void abort(DbDispatcher server,
__txn_abort_msg args, __txn_abort_reply reply)
{
try {
txn.abort();
txn = null;
reply.status = 0;
} catch(DbException e) {
e.printStackTrace(DbServer.err);
reply.status = e.get_errno();
} finally {
server.delTxn(this);
}
}
public void begin(DbDispatcher server,
__txn_begin_msg args, __txn_begin_reply reply)
{
try {
if (rdbenv == null) {
reply.status = Db.DB_NOSERVER_ID;
return;
}
DbEnv dbenv = rdbenv.dbenv;
RpcDbTxn rparent = server.getTxn(args.parentcl_id);
DbTxn parent = (rparent != null) ? rparent.txn : null;
txn = dbenv.txn_begin(parent, args.flags);
if (rparent != null)
timer = rparent.timer;
reply.txnidcl_id = server.addTxn(this);
reply.status = 0;
} catch(DbException e) {
e.printStackTrace(DbServer.err);
reply.status = e.get_errno();
}
}
public void commit(DbDispatcher server,
__txn_commit_msg args, __txn_commit_reply reply)
{
try {
txn.commit(args.flags);
txn = null;
reply.status = 0;
} catch(DbException e) {
e.printStackTrace(DbServer.err);
reply.status = e.get_errno();
} finally {
server.delTxn(this);
}
}
public void discard(DbDispatcher server,
__txn_discard_msg args, __txn_discard_reply reply)
{
try {
txn.discard(args.flags);
txn = null;
reply.status = 0;
} catch(DbException e) {
e.printStackTrace(DbServer.err);
reply.status = e.get_errno();
} finally {
server.delTxn(this);
}
}
public void prepare(DbDispatcher server,
__txn_prepare_msg args, __txn_prepare_reply reply)
{
try {
txn.prepare(args.gid);
reply.status = 0;
} catch(DbException e) {
e.printStackTrace(DbServer.err);
reply.status = e.get_errno();
}
}
}
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