content: /*
   * Copyright 1999-2018 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;
  
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.api.model.NacosForm;
  import com.alibaba.nacos.api.model.v2.ErrorCode;
  import com.alibaba.nacos.api.selector.NoneSelector;
  import com.alibaba.nacos.api.selector.Selector;
  import com.alibaba.nacos.api.utils.StringUtils;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Service of Nacos.
   *
   * <p>We introduce a 'service --> cluster --> instance' model, in which service stores a list of clusters, which contains a
   * list of instances.
   *
   * <p>Typically we put some unique properties between instances to service level.
   *
   * @author nkorange
   */
  public class Service implements NacosForm {
      
      private static final long serialVersionUID = -3470985546826874460L;
      
      private String namespaceId;
      
      private String groupName;
      
      private String name;
      
      private boolean ephemeral;
      
      private float protectThreshold = 0.0F;
      
      private Map<String, String> metadata = new HashMap<>();
      
      private Selector selector = new NoneSelector();
      
      public String getNamespaceId() {
          return namespaceId;
      }
      
      public void setNamespaceId(String namespaceId) {
          this.namespaceId = namespaceId;
      }
      
      public String getGroupName() {
          return groupName;
      }
      
      public void setGroupName(String groupName) {
          this.groupName = groupName;
      }
      
      public String getName() {
          return name;
      }
      
      public void setName(String name) {
          this.name = name;
      }
      
      public boolean isEphemeral() {
          return ephemeral;
      }
      
      public void setEphemeral(boolean ephemeral) {
          this.ephemeral = ephemeral;
      }
      
      public float getProtectThreshold() {
          return protectThreshold;
      }
      
      public void setProtectThreshold(float protectThreshold) {
          this.protectThreshold = protectThreshold;
      }
      
      public Map<String, String> getMetadata() {
          return metadata;
      }
      
      public void setMetadata(Map<String, String> metadata) {
          this.metadata = metadata;
      }
      
      public void addMetadata(String key, String value) {
          this.metadata.put(key, value);
      }
      
      public Selector getSelector() {
          return selector;
      }
      
      public void setSelector(Selector selector) {
          this.selector = selector;
      }
      
      @Override
      public void validate() throws NacosApiException {
          fillDefaultValue();
          if (StringUtils.isBlank(name)) {
              throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.PARAMETER_MISSING,
                      "Required parameter 'name' type String is not present");
          }
      }
      
      /**
       * fill default value.
       */
      public void fillDefaultValue() {
          if (StringUtils.isBlank(namespaceId)) {
              namespaceId = Constants.DEFAULT_NAMESPACE_ID;
          }
          if (StringUtils.isBlank(groupName)) {
              groupName = Constants.DEFAULT_GROUP;
          }
      }
  }
  