| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.curator.x.discovery; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.x.discovery.details.InstanceSerializer; |
| import org.apache.curator.x.discovery.details.JsonInstanceSerializer; |
| import org.apache.curator.x.discovery.details.ServiceDiscoveryImpl; |
| |
| public class ServiceDiscoveryBuilder<T> |
| { |
| private CuratorFramework client; |
| private String basePath; |
| private InstanceSerializer<T> serializer; |
| private ServiceInstance<T> thisInstance; |
| private Class<T> payloadClass; |
| |
| /** |
| * Return a new builder. |
| * |
| * @param payloadClass the class of the payload of your service instance (you can use {@link Void} |
| * if your instances don't need a payload) |
| * @return new builder |
| */ |
| public static<T> ServiceDiscoveryBuilder<T> builder(Class<T> payloadClass) |
| { |
| return new ServiceDiscoveryBuilder<T>(payloadClass); |
| } |
| |
| /** |
| * Build a new service discovery with the currently set values. If not set, the builder will be |
| * defaulted with a {@link JsonInstanceSerializer}. |
| * |
| * @return new service discovery |
| */ |
| public ServiceDiscovery<T> build() |
| { |
| if ( serializer == null ) { |
| serializer(new JsonInstanceSerializer<T>(payloadClass)); |
| } |
| return new ServiceDiscoveryImpl<T>(client, basePath, serializer, thisInstance); |
| } |
| |
| /** |
| * Required - set the client to use |
| * |
| * @param client client |
| * @return this |
| */ |
| public ServiceDiscoveryBuilder<T> client(CuratorFramework client) |
| { |
| this.client = client; |
| return this; |
| } |
| |
| /** |
| * Required - set the base path to store in ZK |
| * |
| * @param basePath base path |
| * @return this |
| */ |
| public ServiceDiscoveryBuilder<T> basePath(String basePath) |
| { |
| this.basePath = basePath; |
| return this; |
| } |
| |
| /** |
| * optional - change the serializer used (the default is {@link JsonInstanceSerializer} |
| * |
| * @param serializer the serializer |
| * @return this |
| */ |
| public ServiceDiscoveryBuilder<T> serializer(InstanceSerializer<T> serializer) |
| { |
| this.serializer = serializer; |
| return this; |
| } |
| |
| /** |
| * Optional - instance that represents the service that is running. The instance will get auto-registered |
| * |
| * @param thisInstance initial instance |
| * @return this |
| */ |
| public ServiceDiscoveryBuilder<T> thisInstance(ServiceInstance<T> thisInstance) |
| { |
| this.thisInstance = thisInstance; |
| return this; |
| } |
| |
| ServiceDiscoveryBuilder(Class<T> payloadClass) |
| { |
| this.payloadClass = payloadClass; |
| } |
| } |