/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.geronimo.transaction.manager;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;

/**
 *
 *
 * @version $Rev$ $Date$
 */
public class MockResourceManager {
    private Map<Xid, Set<XAResource>> xids = new HashMap<Xid, Set<XAResource>>();

    public MockResourceManager() {
    }

    public MockResource getResource(String xaResourceName) {
        return new MockResource(this, xaResourceName);
    }

    public void join(Xid xid, XAResource xaRes) throws XAException {
        Set<XAResource> resSet = xids.get(xid);
        if (resSet == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        resSet.add(xaRes);
    }

    public void newTx(Xid xid, XAResource xaRes) throws XAException {
        if (xids.containsKey(xid)) {
            throw new XAException(XAException.XAER_DUPID);
        }
        Set<XAResource> resSet = new HashSet<XAResource>();
        resSet.add(xaRes);
        xids.put(xid, resSet);
    }

    public void forget(Xid xid, XAResource xaRes) throws XAException {
        if (xids.remove(xid) == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
    }

}