Class MetricsServlet

  • All Implemented Interfaces:
    Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

    public class MetricsServlet
    extends javax.servlet.http.HttpServlet
    The MetricsServlet class provides a simple way of exposing the metrics values.
    See Also:
    Serialized Form
    • Constructor Summary

      Constructors 
      Constructor Description
      MetricsServlet()  
      MetricsServlet​(io.prometheus.client.CollectorRegistry registry)  
      MetricsServlet​(io.prometheus.client.CollectorRegistry registry, io.prometheus.client.Predicate<String> sampleNameFilter)  
      MetricsServlet​(io.prometheus.client.Predicate<String> sampleNameFilter)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void doGet​(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)  
      protected void doPost​(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)  
      void init​(javax.servlet.ServletConfig servletConfig)  
      • Methods inherited from class javax.servlet.http.HttpServlet

        doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service
      • Methods inherited from class javax.servlet.GenericServlet

        destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log
    • Constructor Detail

      • MetricsServlet

        public MetricsServlet​(io.prometheus.client.Predicate<String> sampleNameFilter)
      • MetricsServlet

        public MetricsServlet​(io.prometheus.client.CollectorRegistry registry)
      • MetricsServlet

        public MetricsServlet​(io.prometheus.client.CollectorRegistry registry,
                              io.prometheus.client.Predicate<String> sampleNameFilter)
    • Method Detail

      • init

        public void init​(javax.servlet.ServletConfig servletConfig)
                  throws javax.servlet.ServletException
        Specified by:
        init in interface javax.servlet.Servlet
        Overrides:
        init in class javax.servlet.GenericServlet
        Throws:
        javax.servlet.ServletException
      • doGet

        protected void doGet​(javax.servlet.http.HttpServletRequest req,
                             javax.servlet.http.HttpServletResponse resp)
                      throws IOException
        Overrides:
        doGet in class javax.servlet.http.HttpServlet
        Throws:
        IOException
      • doPost

        protected void doPost​(javax.servlet.http.HttpServletRequest req,
                              javax.servlet.http.HttpServletResponse resp)
                       throws IOException
        Overrides:
        doPost in class javax.servlet.http.HttpServlet
        Throws:
        IOException