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     <div id="main-block" class="container main-block">
         <div class="row title">
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             <div class='page-header'>

               <h1>Métricas com MicroProfile <code>@Counted</code> (Contado)</h1>
             </div>
           </div>
         </div>
         <div class="row">

             <div class="col-md-12">
                 <div id="preamble">
 <div class="sectionbody">
 <div class="paragraph">
 <p>Este é um exemplo sobre como utilizar as métricas de MicroProfile no Tomee. O projeto inclui um perfil de Docker que se pode usar para criar uma imagem de Docker.</p>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_executando_a_aplicação">Executando a aplicação:</h2>
 <div class="sectionbody">
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ mvn clean install tomee:run</code></pre>
 </div>
 </div>
 <div class="admonitionblock note">
 <table>
 <tr>
 <td class="icon">
 <i class="fa icon-note" title="Note"></i>
 </td>
 <td class="content">
 Como alternativa, compile e execute o aplicativo através do Docker
 (observe o uso do perfil docker):
 </td>
 </tr>
 </table>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ mvn -Pdocker docker:build</code></pre>
 </div>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ docker run -it --rm -p 8080:8080 --name=tomee-mp-metrics-counted tomee/mp-metrics-counted</code></pre>
 </div>
 </div>
 <div class="paragraph">
 <p>Dentro do aplicativo, há um endpoint que fornecerá o estado do tempo para o dia e a semana.</p>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_veja_o_clima_da_semana">Veja o clima da semana:</h2>
 <div class="sectionbody">
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET http://localhost:8080/mp-metrics-counted/weather/week/status</code></pre>
 </div>
 </div>
 <div class="paragraph">
 <p>IMPORTANTE: Se você executar usando o Docker, porque o aplicativo está instalado
 como o aplicativo ROOT, remova o nome do aplicativo do URL:</p>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET http://localhost:8080/weather/week/status</code></pre>
 </div>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_resposta">Resposta:</h2>
 <div class="sectionbody">
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-text" data-lang="text">Hi, today is a sunny day!</code></pre>
 </div>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_usando_code_counted_code">Usando <code>@Counted</code></h2>
 <div class="sectionbody">
 <div class="paragraph">
 <p>As métricas do MicroProfile têm uma função que pode ser usada para contar requisições para um serviço.</p>
 </div>
 <div class="paragraph">
 <p>Para usar esta função, você deve anotar os métodos dos recursos JAX-RS com <code>@Counted</code>.</p>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-java" data-lang="java">@Path("/weather")
 @Produces(MediaType.APPLICATION_JSON)
 @Consumes(MediaType.APPLICATION_JSON)
 @ApplicationScoped
 public class WeatherService {

     @Path("/day/status")
     @Counted(monotonic = true, name = "weather_day_status", absolute = true)
     @GET
     @Produces(MediaType.TEXT_PLAIN)
     public String dayStatus() {
         return "Hi, today is a sunny day!";
     }
 ...
 }</code></pre>
 </div>
 </div>
 <div class="paragraph">
 <p>Existem algumas configurações, como parte do <code>@Counted</code>, que você precisa saber:</p>
 </div>
 <div class="paragraph">
 <p><strong>String name</strong> Opcional. Define o nome da métrica. Se não for fornecido
 explicitamente, o nome do objeto anotado é usado.</p>
 </div>
 <div class="paragraph">
 <p><strong>boolean absolute</strong> Se verdadeiro, use o nome fornecido como o nome absoluto da métrica.
 Se falso, coloque o nome do pacote e o nome da classe antes do nome fornecido. O valor padrão é falso.</p>
 </div>
 <div class="paragraph">
 <p><strong>String displayName</strong> Opcional. Um nome de exibição legível para
 metadados.</p>
 </div>
 <div class="paragraph">
 <p><strong>String description</strong> Opcional. Uma descrição da métrica.</p>
 </div>
 <div class="paragraph">
 <p><strong>String[] tags</strong> Opcional. Matriz de cadeia no formato = para fornecer
 etiquetas especiais para uma métrica.</p>
 </div>
 <div class="paragraph">
 <p><strong>boolean reusable</strong> Indica se uma métrica com um determinado nome pode ser
 registrado em mais de um local. Não se aplica a <code>@Gauges</code> (metros).</p>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_dados_métricos">Dados Métricos</h2>
 <div class="sectionbody">
 <div class="paragraph">
 <p>Verifique a métrica do contador, fazendo uma solicitação <em>GET</em>:</p>
 </div>
 <div class="sect2">
 <h3 id="_formato_prometheus">Formato Prometheus:</h3>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET http://localhost:8080/mp-metrics-counted/metrics/application/weather_day_status</code></pre>
 </div>
 </div>
 </div>
 <div class="sect2">
 <h3 id="_resposta_prometheus">Resposta Prometheus:</h3>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-text" data-lang="text"># TYPE application:weather_day_status counter
 application:weather_day_status 1.0</code></pre>
 </div>
 </div>
 </div>
 <div class="sect2">
 <h3 id="_formato_json">Formato JSON:</h3>
 <div class="paragraph">
 <p>Para o formato json, adicione o cabeçalho <code>Accept:application/json</code> à requisição HTTP.</p>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET -H "Accept: application/json" http://localhost:8080/mp-metrics-counted/metrics/application/weather_day_status</code></pre>
 </div>
 </div>
 </div>
 <div class="sect2">
 <h3 id="_resposta_json">Resposta JSON:</h3>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-javascript" data-lang="javascript">{
     "weather_day_status": {
         "delegate": {},
         "unit": "none",
         "count": 1
     }
 }</code></pre>
 </div>
 </div>
 </div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_metadatos_métrica">Metadatos Métrica</h2>
 <div class="sectionbody">
 <div class="paragraph">
 <p>Uma métrica terá metadados para que você possa saber mais sobre ela, como <code>displayName</code>,<code>descrição</code>, <code>tags</code> etc.</p>
 </div>
 <div class="paragraph">
 <p>Verifique os metadados da métrica fazendo uma requisição HTTP <em>OPTIONS</em>:</p>
 </div>
 <div class="sect2">
 <h3 id="_requisição_http_em_options_em">Requisição HTTP <em>OPTIONS</em></h3>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X OPTIONS http://localhost:8080/mp-metrics-counted/metrics/application/weather_day_status</code></pre>
 </div>
 </div>
 </div>
 <div class="sect2">
 <h3 id="_resposta_2">Resposta:</h3>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-javascript" data-lang="javascript">{
     "weather_day_status": {
         "unit": "none",
         "displayName": "Weather Day Status",
         "name": "weather_day_status",
         "typeRaw": "COUNTER",
         "description": "This metric shows the weather status of the day.",
         "type": "counter",
         "value": {
             "unit": "none",
             "displayName": "Weather Day Status",
             "name": "weather_day_status",
             "tagsAsString": "",
             "typeRaw": "COUNTER",
             "description": "This metric shows the weather status of the day.",
             "type": "counter",
             "reusable": false,
             "tags": {}
         },
         "reusable": false,
         "tags": ""
     }
 }</code></pre>
 </div>
 </div>
 <div class="paragraph">
 <p>Você também pode testá-lo usando WeatherServiceTest.java disponível no projeto.</p>
 </div>
 </div>
 </div>
 </div>
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	<div id="main-block" class="container main-block">
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	<div class="col-md-12">
	<div class='page-header'>

	<h1>Métricas com MicroProfile <code>@Counted</code> (Contado)</h1>
	</div>
	</div>
	</div>
	<div class="row">

	<div class="col-md-12">
	<div id="preamble">
	<div class="sectionbody">
	<div class="paragraph">
	<p>Este é um exemplo sobre como utilizar as métricas de MicroProfile no Tomee. O projeto inclui um perfil de Docker que se pode usar para criar uma imagem de Docker.</p>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_executando_a_aplicação">Executando a aplicação:</h2>
	<div class="sectionbody">
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ mvn clean install tomee:run</code></pre>
	</div>
	</div>
	<div class="admonitionblock note">
	<table>
	<tr>
	<td class="icon">
	<i class="fa icon-note" title="Note"></i>
	</td>
	<td class="content">
	Como alternativa, compile e execute o aplicativo através do Docker
	(observe o uso do perfil docker):
	</td>
	</tr>
	</table>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ mvn -Pdocker docker:build</code></pre>
	</div>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ docker run -it --rm -p 8080:8080 --name=tomee-mp-metrics-counted tomee/mp-metrics-counted</code></pre>
	</div>
	</div>
	<div class="paragraph">
	<p>Dentro do aplicativo, há um endpoint que fornecerá o estado do tempo para o dia e a semana.</p>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_veja_o_clima_da_semana">Veja o clima da semana:</h2>
	<div class="sectionbody">
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET http://localhost:8080/mp-metrics-counted/weather/week/status</code></pre>
	</div>
	</div>
	<div class="paragraph">
	<p>IMPORTANTE: Se você executar usando o Docker, porque o aplicativo está instalado
	como o aplicativo ROOT, remova o nome do aplicativo do URL:</p>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET http://localhost:8080/weather/week/status</code></pre>
	</div>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_resposta">Resposta:</h2>
	<div class="sectionbody">
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-text" data-lang="text">Hi, today is a sunny day!</code></pre>
	</div>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_usando_code_counted_code">Usando <code>@Counted</code></h2>
	<div class="sectionbody">
	<div class="paragraph">
	<p>As métricas do MicroProfile têm uma função que pode ser usada para contar requisições para um serviço.</p>
	</div>
	<div class="paragraph">
	<p>Para usar esta função, você deve anotar os métodos dos recursos JAX-RS com <code>@Counted</code>.</p>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-java" data-lang="java">@Path("/weather")
	@Produces(MediaType.APPLICATION_JSON)
	@Consumes(MediaType.APPLICATION_JSON)
	@ApplicationScoped
	public class WeatherService {

	@Path("/day/status")
	@Counted(monotonic = true, name = "weather_day_status", absolute = true)
	@GET
	@Produces(MediaType.TEXT_PLAIN)
	public String dayStatus() {
	return "Hi, today is a sunny day!";
	}
	...
	}</code></pre>
	</div>
	</div>
	<div class="paragraph">
	<p>Existem algumas configurações, como parte do <code>@Counted</code>, que você precisa saber:</p>
	</div>
	<div class="paragraph">
	<p><strong>String name</strong> Opcional. Define o nome da métrica. Se não for fornecido
	explicitamente, o nome do objeto anotado é usado.</p>
	</div>
	<div class="paragraph">
	<p><strong>boolean absolute</strong> Se verdadeiro, use o nome fornecido como o nome absoluto da métrica.
	Se falso, coloque o nome do pacote e o nome da classe antes do nome fornecido. O valor padrão é falso.</p>
	</div>
	<div class="paragraph">
	<p><strong>String displayName</strong> Opcional. Um nome de exibição legível para
	metadados.</p>
	</div>
	<div class="paragraph">
	<p><strong>String description</strong> Opcional. Uma descrição da métrica.</p>
	</div>
	<div class="paragraph">
	<p><strong>String[] tags</strong> Opcional. Matriz de cadeia no formato = para fornecer
	etiquetas especiais para uma métrica.</p>
	</div>
	<div class="paragraph">
	<p><strong>boolean reusable</strong> Indica se uma métrica com um determinado nome pode ser
	registrado em mais de um local. Não se aplica a <code>@Gauges</code> (metros).</p>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_dados_métricos">Dados Métricos</h2>
	<div class="sectionbody">
	<div class="paragraph">
	<p>Verifique a métrica do contador, fazendo uma solicitação <em>GET</em>:</p>
	</div>
	<div class="sect2">
	<h3 id="_formato_prometheus">Formato Prometheus:</h3>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET http://localhost:8080/mp-metrics-counted/metrics/application/weather_day_status</code></pre>
	</div>
	</div>
	</div>
	<div class="sect2">
	<h3 id="_resposta_prometheus">Resposta Prometheus:</h3>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-text" data-lang="text"># TYPE application:weather_day_status counter
	application:weather_day_status 1.0</code></pre>
	</div>
	</div>
	</div>
	<div class="sect2">
	<h3 id="_formato_json">Formato JSON:</h3>
	<div class="paragraph">
	<p>Para o formato json, adicione o cabeçalho <code>Accept:application/json</code> à requisição HTTP.</p>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X GET -H "Accept: application/json" http://localhost:8080/mp-metrics-counted/metrics/application/weather_day_status</code></pre>
	</div>
	</div>
	</div>
	<div class="sect2">
	<h3 id="_resposta_json">Resposta JSON:</h3>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-javascript" data-lang="javascript">{
	"weather_day_status": {
	"delegate": {},
	"unit": "none",
	"count": 1
	}
	}</code></pre>
	</div>
	</div>
	</div>
	</div>
	</div>
	<div class="sect1">
	<h2 id="_metadatos_métrica">Metadatos Métrica</h2>
	<div class="sectionbody">
	<div class="paragraph">
	<p>Uma métrica terá metadados para que você possa saber mais sobre ela, como <code>displayName</code>,<code>descrição</code>, <code>tags</code> etc.</p>
	</div>
	<div class="paragraph">
	<p>Verifique os metadados da métrica fazendo uma requisição HTTP <em>OPTIONS</em>:</p>
	</div>
	<div class="sect2">
	<h3 id="_requisição_http_em_options_em">Requisição HTTP <em>OPTIONS</em></h3>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-bash" data-lang="bash">$ curl -X OPTIONS http://localhost:8080/mp-metrics-counted/metrics/application/weather_day_status</code></pre>
	</div>
	</div>
	</div>
	<div class="sect2">
	<h3 id="_resposta_2">Resposta:</h3>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-javascript" data-lang="javascript">{
	"weather_day_status": {
	"unit": "none",
	"displayName": "Weather Day Status",
	"name": "weather_day_status",
	"typeRaw": "COUNTER",
	"description": "This metric shows the weather status of the day.",
	"type": "counter",
	"value": {
	"unit": "none",
	"displayName": "Weather Day Status",
	"name": "weather_day_status",
	"tagsAsString": "",
	"typeRaw": "COUNTER",
	"description": "This metric shows the weather status of the day.",
	"type": "counter",
	"reusable": false,
	"tags": {}
	},
	"reusable": false,
	"tags": ""
	}
	}</code></pre>
	</div>
	</div>
	<div class="paragraph">
	<p>Você também pode testá-lo usando WeatherServiceTest.java disponível no projeto.</p>
	</div>
	</div>
	</div>
	</div>
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