content: /*
   * Copyright 1999-2020 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.nacos.api.naming.pojo.builder;
  
  import com.alibaba.nacos.api.naming.pojo.Instance;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Objects;
  
  /**
   * Builder for {@link Instance}.
   *
   * @author xiweng.yy
   */
  public class InstanceBuilder {
      
      private String instanceId;
      
      private String ip;
      
      private Integer port;
      
      private Double weight;
      
      private Boolean healthy;
      
      private Boolean enabled;
      
      private Boolean ephemeral;
      
      private String clusterName;
      
      private String serviceName;
      
      private Map<String, String> metadata = new HashMap<>();
      
      private InstanceBuilder() {
      }
      
      public InstanceBuilder setInstanceId(String instanceId) {
          this.instanceId = instanceId;
          return this;
      }
      
      public InstanceBuilder setIp(String ip) {
          this.ip = ip;
          return this;
      }
      
      public InstanceBuilder setPort(Integer port) {
          this.port = port;
          return this;
      }
      
      public InstanceBuilder setWeight(Double weight) {
          this.weight = weight;
          return this;
      }
      
      public InstanceBuilder setHealthy(Boolean healthy) {
          this.healthy = healthy;
          return this;
      }
      
      public InstanceBuilder setEnabled(Boolean enabled) {
          this.enabled = enabled;
          return this;
      }
      
      public InstanceBuilder setEphemeral(Boolean ephemeral) {
          this.ephemeral = ephemeral;
          return this;
      }
      
      public InstanceBuilder setClusterName(String clusterName) {
          this.clusterName = clusterName;
          return this;
      }
      
      public InstanceBuilder setServiceName(String serviceName) {
          this.serviceName = serviceName;
          return this;
      }
      
      public InstanceBuilder setMetadata(Map<String, String> metadata) {
          this.metadata = metadata;
          return this;
      }
      
      public InstanceBuilder addMetadata(String metaKey, String metaValue) {
          this.metadata.put(metaKey, metaValue);
          return this;
      }
      
      /**
       * Build a new {@link Instance}.
       *
       * @return new instance
       */
      public Instance build() {
          Instance result = new Instance();
          if (!Objects.isNull(instanceId)) {
              result.setInstanceId(instanceId);
          }
          if (!Objects.isNull(ip)) {
              result.setIp(ip);
          }
          if (!Objects.isNull(port)) {
              result.setPort(port);
          }
          if (!Objects.isNull(weight)) {
              result.setWeight(weight);
          }
          if (!Objects.isNull(healthy)) {
              result.setHealthy(healthy);
          }
          if (!Objects.isNull(enabled)) {
              result.setEnabled(enabled);
          }
          if (!Objects.isNull(ephemeral)) {
              result.setEphemeral(ephemeral);
          }
          if (!Objects.isNull(clusterName)) {
              result.setClusterName(clusterName);
          }
          if (!Objects.isNull(serviceName)) {
              result.setServiceName(serviceName);
          }
          result.setMetadata(metadata);
          return result;
      }
      
      public static InstanceBuilder newBuilder() {
          return new InstanceBuilder();
      }
  }
  