content: /*
   * 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.ambari.server.state;
  
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.google.common.base.Objects;
  
  /**
   * Data structure that hangs off of the Host and points to what tags are
   * applicable to a config derived at the host-level
   */
  
  public class HostConfig {
    private final Map<Long, String> configGroupOverrides = new ConcurrentHashMap<>();
    private String defaultVersionTag;
  
    public HostConfig() {
    }
  
    @JsonProperty("default")
    public String getDefaultVersionTag() {
      return defaultVersionTag;
    }
  
    public void setDefaultVersionTag(String defaultVersionTag) {
      this.defaultVersionTag = defaultVersionTag;
    }
  
    @JsonInclude(JsonInclude.Include.NON_NULL)
    @JsonProperty("overrides")
    public Map<Long, String> getConfigGroupOverrides() {
      return configGroupOverrides;
    }
  
    @Override
    public int hashCode(){
      return Objects.hashCode(defaultVersionTag.hashCode(), configGroupOverrides.hashCode());
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("{");
      if (defaultVersionTag != null) {
        sb.append("default = ").append(defaultVersionTag);
      }
      if (!configGroupOverrides.isEmpty()) {
        sb.append(", overrides = [ ");
        int i = 0;
        for (Map.Entry<Long, String> entry : configGroupOverrides.entrySet()) {
          if (i++ != 0) {
            sb.append(", ");
          }
          sb.append(entry.getKey()).append(" : ").append(entry.getValue());
        }
        sb.append("]");
      }
      sb.append("}");
  
      return sb.toString();
    }
  }
  