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<title>2.&nbsp;Spring Cloud Commons: Common Abstractions</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud-commons.html" title="Cloud Native Applications"><link rel="up" href="multi_spring-cloud-commons.html" title="Cloud Native Applications"><link rel="prev" href="multi__spring_cloud_context_application_context_services.html" title="1.&nbsp;Spring Cloud Context: Application Context Services"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">2.&nbsp;Spring Cloud Commons: Common Abstractions</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__spring_cloud_context_application_context_services.html">Prev</a>&nbsp;</td><th width="60%" align="center">&nbsp;</th><td width="20%" align="right">&nbsp;</td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="_spring_cloud_commons_common_abstractions" href="#_spring_cloud_commons_common_abstractions"></a>2.&nbsp;Spring Cloud Commons: Common Abstractions</h1></div></div></div><p>Patterns such as service discovery, load balancing, and circuit breakers lend themselves to a common abstraction layer that can be consumed by all Spring Cloud clients, independent of the implementation (for example, discovery with Eureka or Consul).</p><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="__enablediscoveryclient" href="#__enablediscoveryclient"></a>2.1&nbsp;@EnableDiscoveryClient</h2></div></div></div><p>Spring Cloud Commons provides the <code class="literal">@EnableDiscoveryClient</code> annotation.
<title>2.&nbsp;Spring Cloud Commons: Common Abstractions</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><link rel="home" href="multi_spring-cloud-commons.html" title="Cloud Native Applications"><link rel="up" href="multi_spring-cloud-commons.html" title="Cloud Native Applications"><link rel="prev" href="multi__spring_cloud_context_application_context_services.html" title="1.&nbsp;Spring Cloud Context: Application Context Services"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">2.&nbsp;Spring Cloud Commons: Common Abstractions</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__spring_cloud_context_application_context_services.html">Prev</a>&nbsp;</td><th width="60%" align="center">&nbsp;</th><td width="20%" align="right">&nbsp;</td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="_spring_cloud_commons_common_abstractions" href="#_spring_cloud_commons_common_abstractions"></a>2.&nbsp;Spring Cloud Commons: Common Abstractions</h1></div></div></div><p>Patterns such as service discovery, load balancing, and circuit breakers lend themselves to a common abstraction layer that can be consumed by all Spring Cloud clients, independent of the implementation (for example, discovery with Eureka or Consul).</p><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_enablediscoveryclient" href="#_enablediscoveryclient"></a>2.1&nbsp;@EnableDiscoveryClient</h2></div></div></div><p>Spring Cloud Commons provides the <code class="literal">@EnableDiscoveryClient</code> annotation.
This looks for implementations of the <code class="literal">DiscoveryClient</code> interface with <code class="literal">META-INF/spring.factories</code>.
Implementations of the Discovery Client add a configuration class to <code class="literal">spring.factories</code> under the <code class="literal">org.springframework.cloud.client.discovery.EnableDiscoveryClient</code> key.
Examples of <code class="literal">DiscoveryClient</code> implementations include <a class="link" href="http://cloud.spring.io/spring-cloud-netflix/" target="_top">Spring Cloud Netflix Eureka</a>, <a class="link" href="http://cloud.spring.io/spring-cloud-consul/" target="_top">Spring Cloud Consul Discovery</a>, and <a class="link" href="http://cloud.spring.io/spring-cloud-zookeeper/" target="_top">Spring Cloud Zookeeper Discovery</a>.</p><p>By default, implementations of <code class="literal">DiscoveryClient</code> auto-register the local Spring Boot server with the remote discovery server.
@@ -10,7 +10,7 @@ To disable the composite <code class="literal">HealthIndicator</code>, set <code
A generic <code class="literal">HealthIndicator</code> based on <code class="literal">DiscoveryClient</code> is auto-configured (<code class="literal">DiscoveryClientHealthIndicator</code>).
To disable it, set <code class="literal">spring.cloud.discovery.client.health-indicator.enabled=false</code>.
To disable the description field of the <code class="literal">DiscoveryClientHealthIndicator</code>, set <code class="literal">spring.cloud.discovery.client.health-indicator.include-description=false</code>.
Otherwise, it can bubble up as the <code class="literal">description</code> of the rolled up <code class="literal">HealthIndicator</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_ordering_literal_discoveryclient_literal_instances" href="#_ordering_literal_discoveryclient_literal_instances"></a>2.1.2&nbsp;Ordering <code class="literal">DiscoveryClient</code> instances</h3></div></div></div><p><code class="literal">DiscoveryClient</code> interface extends <code class="literal">Ordered</code>. This is useful when using multiple discovery
Otherwise, it can bubble up as the <code class="literal">description</code> of the rolled up <code class="literal">HealthIndicator</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_ordering_discoveryclient_instances" href="#_ordering_discoveryclient_instances"></a>2.1.2&nbsp;Ordering <code class="literal">DiscoveryClient</code> instances</h3></div></div></div><p><code class="literal">DiscoveryClient</code> interface extends <code class="literal">Ordered</code>. This is useful when using multiple discovery
clients, as it allows you to define the order of the returned discovery clients, similar to
how you can order the beans loaded by a Spring application. By default, the order of any <code class="literal">DiscoveryClient</code> is set to
<code class="literal">0</code>. If you want to set a different order for your custom <code class="literal">DiscoveryClient</code> implementations, you just need to override