001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.geronimo.corba.transaction.nodistributedtransactions;
018    
019    import java.io.Serializable;
020    
021    import org.apache.geronimo.corba.transaction.OperationTxPolicy;
022    import org.omg.CORBA.INVALID_TRANSACTION;
023    import org.omg.CosTransactions.PropagationContext;
024    
025    /**
026     * Use for:
027     * Required
028     * Never
029     * Supports
030     *
031     * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
032     */
033    public class NotRequired implements OperationTxPolicy, Serializable {
034        public static final OperationTxPolicy INSTANCE = new NotRequired();
035    
036        public void importTransaction(PropagationContext propagationContext) {
037            if (propagationContext != null) {
038                throw new INVALID_TRANSACTION("Transactions cannot be imported, and might also be not allowed for this method");
039            }
040        }
041    }