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 019import javax.xml.bind.annotation.XmlEnum; 020import javax.xml.bind.annotation.XmlType; 021 022/** 023 * Enumerates all saga propagation modes. 024 */ 025@XmlType 026@XmlEnum 027public enum SagaPropagation { 028 029 /** 030 * Join the existing saga or create a new one if it does not exist. 031 */ 032 REQUIRED, 033 034 /** 035 * Always create a new saga. Suspend the old saga and resume it when the new 036 * one terminates. 037 */ 038 REQUIRES_NEW, 039 040 /** 041 * A saga must be already present. The existing saga is joined. 042 */ 043 MANDATORY, 044 045 /** 046 * If a saga already exists, then join it. 047 */ 048 SUPPORTS, 049 050 /** 051 * If a saga already exists, it is suspended and resumed when the current 052 * block completes. 053 */ 054 NOT_SUPPORTED, 055 056 /** 057 * The current block must never be invoked within a saga. 058 */ 059 NEVER 060 061}