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.spi; 018 019import java.io.InputStream; 020 021import org.apache.camel.CamelContext; 022import org.apache.camel.CamelContextAware; 023import org.apache.camel.Service; 024import org.apache.camel.StaticService; 025 026/** 027 * SPI strategy for reloading Camel routes in an existing running {@link org.apache.camel.CamelContext} 028 */ 029public interface ReloadStrategy extends Service, StaticService, CamelContextAware { 030 031 /** 032 * A reload is triggered when a XML resource is changed which contains Camel routes. 033 * 034 * @param camelContext the running CamelContext 035 * @param name name of resource such as a file name (can be null) 036 * @param resource the changed resource 037 */ 038 void onReloadXml(CamelContext camelContext, String name, InputStream resource); 039 040 /** 041 * Number of reloads succeeded. 042 */ 043 int getReloadCounter(); 044 045 /** 046 * Number of reloads failed. 047 */ 048 int getFailedCounter(); 049 050 /** 051 * Reset the counters. 052 */ 053 void resetCounters(); 054}