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 */ 017package org.apache.camel.model; 018 019/** 020 * Enumerates all saga propagation modes. 021 */ 022public enum SagaPropagation { 023 024 /** 025 * Join the existing saga or create a new one if it does not exist. 026 */ 027 REQUIRED, 028 029 /** 030 * Always create a new saga. Suspend the old saga and resume it when the new one terminates. 031 */ 032 REQUIRES_NEW, 033 034 /** 035 * A saga must be already present. The existing saga is joined. 036 */ 037 MANDATORY, 038 039 /** 040 * If a saga already exists, then join it. 041 */ 042 SUPPORTS, 043 044 /** 045 * If a saga already exists, it is suspended and resumed when the current block completes. 046 */ 047 NOT_SUPPORTED, 048 049 /** 050 * The current block must never be invoked within a saga. 051 */ 052 NEVER 053 054}