org.springframework.cloud.zookeeper.discovery.ZookeeperLifecycle.java Source code

Java tutorial

Introduction

Here is the source code for org.springframework.cloud.zookeeper.discovery.ZookeeperLifecycle.java

Source

/*
 * Copyright 2013-2015 the original author or authors.
 *
 * 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 org.springframework.cloud.zookeeper.discovery;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.cloud.client.discovery.AbstractDiscoveryLifecycle;
import org.springframework.util.ReflectionUtils;

/**
 * Zookeeper {@link org.springframework.cloud.client.discovery.DiscoveryLifecycle}
 * that uses {@link ZookeeperServiceDiscovery} to register and de-register instances.
 *
 * @author Spencer Gibb
 * @since 1.0.0
 */
public class ZookeeperLifecycle extends AbstractDiscoveryLifecycle {

    private static final Log log = LogFactory.getLog(ZookeeperLifecycle.class);

    private ZookeeperDiscoveryProperties properties;
    private ZookeeperServiceDiscovery serviceDiscovery;

    public ZookeeperLifecycle(ZookeeperDiscoveryProperties properties, ZookeeperServiceDiscovery serviceDiscovery) {
        this.properties = properties;
        this.serviceDiscovery = serviceDiscovery;
        if (this.properties.getInstancePort() != null) {
            this.serviceDiscovery.setPort(this.properties.getInstancePort());
            this.serviceDiscovery.build();
        }
    }

    @Override
    protected void register() {
        if (!this.properties.isRegister()) {
            log.debug("Registration disabled.");
            return;
        }
        try {
            this.serviceDiscovery.getServiceDiscovery().start();
        } catch (Exception e) {
            ReflectionUtils.rethrowRuntimeException(e);
        }
    }

    // TODO: implement registerManagement

    @Override
    protected void deregister() {
        if (!this.properties.isRegister()) {
            return;
        }
        try {
            this.serviceDiscovery.getServiceDiscovery()
                    .unregisterService(this.serviceDiscovery.getServiceInstance());
        } catch (Exception e) {
            ReflectionUtils.rethrowRuntimeException(e);
        }
    }

    // TODO: implement deregisterManagement

    @Override
    protected boolean isEnabled() {
        return this.properties.isEnabled();
    }

    @Override
    protected int getConfiguredPort() {
        return this.serviceDiscovery.getPort();
    }

    @Override
    protected void setConfiguredPort(int port) {
        this.serviceDiscovery.setPort(port);
        this.serviceDiscovery.build();
    }

    @Override
    protected Object getConfiguration() {
        return this.properties;
    }
}