/*
* Copyright 2012 Chris Fregly
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.fluxcapacitor.middletier.server;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fluxcapacitor.core.server.BaseJettyServer;
import com.netflix.appinfo.InstanceInfo;
import com.netflix.discovery.DiscoveryManager;
/**
* @author Chris Fregly (chris@fregly.com)
*/
public class MiddleTierServer extends BaseJettyServer {
private static final Logger logger = LoggerFactory.getLogger(MiddleTierServer.class);
public MiddleTierServer() {
}
public void start() {
super.start();
waitUntilFullyRegisteredWithEureka();
}
private void waitUntilFullyRegisteredWithEureka() {
// using applicationId as the vipAddress
String vipAddress = System.getProperty("archaius.deployment.applicationId");
InstanceInfo nextServerInfo = null;
while (nextServerInfo == null) {
try {
nextServerInfo = DiscoveryManager.getInstance()
.getDiscoveryClient()
.getNextServerFromEureka(vipAddress, false);
} catch (Throwable e) {
logger.info("Waiting for service to register with eureka..");
try {
Thread.sleep(10000);
} catch (InterruptedException e1) {
logger.warn("Thread interrupted while sleeping during the wait for eureka service registration. This is probably OK.");
}
}
}
logger.info("Registered middletier service with eureka: [{}]", nextServerInfo);
}
public static void main(String args[]) throws Exception {
MiddleTierServer middleTierServer = new MiddleTierServer();
middleTierServer.start();
}
}