41 lines
1.4 KiB
Java
41 lines
1.4 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.ha.backend;
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/**
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* Interface to send data to proxies.
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*/
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public interface Sender {
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/**
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* Set the configuration parameters
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* @param config The heartbeat listener configuration
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* @throws Exception An error occurred
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*/
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public void init(HeartbeatListener config) throws Exception;
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/**
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* Send the message to the proxies
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* @param mess The message that will be sent
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* @return <code>0</code> if no error occurred, <code>-1</code> otherwise
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* @throws Exception An error occurred
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*/
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public int send(String mess) throws Exception;
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}
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