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   * 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
  * 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.jclouds.elb.domain;
 import static;
the current state of an instance in a loadbalancer.

Adrian Cole
See also:
 public class InstanceHealth {
    public static Builder builder() {
       return new Builder();
    public Builder toBuilder() {
       return new Builder().fromAttributeMetadata(this);
    public static class Builder {
       protected String description;
       protected String instanceId;
       protected Optional<StringreasonCode = Optional.absent();
       protected String state;

       public Builder description(String description) {
          this. = description;
          return this;

       public Builder instanceId(String instanceId) {
          this. = instanceId;
          return this;

       public Builder reasonCode(String reasonCode) {
          this. = Optional.fromNullable(reasonCode);
          return this;

       public Builder state(String state) {
          this. = state;
          return this;
       public InstanceHealth build() {
          return new InstanceHealth();
       public Builder fromAttributeMetadata(InstanceHealth in) {
          return this.description(in.getDescription()).instanceId(in.getInstanceId())
    protected final String description;
    protected final String instanceId;
    protected final Optional<StringreasonCode;
    protected final String state;
    protected InstanceHealth(String descriptionString instanceIdOptional<StringreasonCodeString state) {
       this. = checkNotNull(description"description");
       this. = checkNotNull(instanceId"instanceId");
      this. = checkNotNull(reasonCode"reasonCode");
      this. = checkNotNull(state"state");

Provides a description of the instance.
   public String getDescription() {
      return ;

Provides an EC2 instance ID.
   public String getInstanceId() {
      return ;

Provides information about the cause of OutOfService instances. Specifically, it indicates whether the cause is Elastic Load Balancing or the instance behind the LoadBalancer.
   public Optional<StringgetReasonCode() {
      return ;

Specifies the current status of the instance.
   public String getState() {
      return ;

   public int hashCode() {
      return Objects.hashCode();

   public boolean equals(Object obj) {
      if (this == obj)
         return true;
      if (obj == null)
         return false;
      if (getClass() != obj.getClass())
         return false;
      InstanceHealth other = InstanceHealth.class.cast(obj);
      return Objects.equal(this.other.description) && Objects.equal(this.other.instanceId)
               && Objects.equal(this.other.reasonCode) && Objects.equal(this.other.state);

   public String toString() {
      return Objects.toStringHelper(this).omitNullValues().add("description")
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