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# Class: VertxMicrometerMetrics::MetricsService

Inherits:
  Object
  - Object
  - VertxMicrometerMetrics::MetricsService
  show all
Defined in:
  /Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb

## Overview

The metrics service mainly allows to return a snapshot of measured objects.
This service is derived and adapted from `MetricsService` in the vertx-dropwizard-metrics module.

## Constant Summary

@@j_api_type =

      Object.new

## Class Method Summary (collapse)

- + (Boolean) accept?(obj)
- + (::VertxMicrometerMetrics::MetricsService) create(measured = nil)
  Creates a metric service for a given object.
- + (Object) j_api_type
- + (Object) j_class
- + (Object) unwrap(obj)
- + (Object) wrap(obj)

## Instance Method Summary (collapse)

- - (String) get_base_name
  The base name of the measured object.
- - (Hash{String => Object}) get_metrics_snapshot(baseName = nil)
  Will return the metrics that begins with the baseName, null if no metrics is available.
- - (Set<String>) metrics_names
  The known metrics names by this service.

## Class Method Details

### + (`Boolean`) accept?(obj)

Returns:

- (`Boolean`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 19

    def @@j_api_type.accept?(obj)
      obj.class == MetricsService
    end

### + (`::VertxMicrometerMetrics::MetricsService`) create(measured = nil)

Creates a metric service for a given object.

Parameters:

- measured (`::Vertx::Measured`) (defaults to: `nil`) —
  the measured object

Returns:

- (`::VertxMicrometerMetrics::MetricsService`) —
  the metrics service

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 37

    def self.create(measured=nil)
      if measured.class.method_defined?(:j_del) && !block_given?
        return ::Vertx::Util::Utils.safe_create(Java::IoVertxMicrometer::MetricsService.java_method(:create, [Java::IoVertxCoreMetrics::Measured.java_class]).call(measured.j_del),::VertxMicrometerMetrics::MetricsService)
      end
      raise ArgumentError, "Invalid arguments when calling create(#{measured})"
    end

### + (`Object`) j_api_type

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 28

    def self.j_api_type
      @@j_api_type
    end

### + (`Object`) j_class

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 31

    def self.j_class
      Java::IoVertxMicrometer::MetricsService.java_class
    end

### + (`Object`) unwrap(obj)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 25

    def @@j_api_type.unwrap(obj)
      obj.j_del
    end

### + (`Object`) wrap(obj)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 22

    def @@j_api_type.wrap(obj)
      MetricsService.new(obj)
    end

## Instance Method Details

### - (`String`) get_base_name

Returns the base name of the measured object

Returns:

- (`String`) —
  the base name of the measured object

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 44

    def get_base_name
      if !block_given?
        return @j_del.java_method(:getBaseName, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling get_base_name()"
    end

### - (`Hash{String => Object}`) get_metrics_snapshot(baseName = nil)

Will return the metrics that begins with the `baseName`, null if no metrics is available.

Parameters:

- baseName (`String`) (defaults to: `nil`)

Returns:

- (`Hash{String => Object}`) —
  the map of metrics where the key is the name of the metric and the value is the json data representing that metric

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 60

    def get_metrics_snapshot(baseName=nil)
      if !block_given? && baseName == nil
        return @j_del.java_method(:getMetricsSnapshot, []).call() != nil ? JSON.parse(@j_del.java_method(:getMetricsSnapshot, []).call().encode) : nil
      elsif baseName.class == String && !block_given?
        return @j_del.java_method(:getMetricsSnapshot, [Java::java.lang.String.java_class]).call(baseName) != nil ? JSON.parse(@j_del.java_method(:getMetricsSnapshot, [Java::java.lang.String.java_class]).call(baseName).encode) : nil
      end
      raise ArgumentError, "Invalid arguments when calling get_metrics_snapshot(#{baseName})"
    end

### - (`Set<String>`) metrics_names

Returns the known metrics names by this service

Returns:

- (`Set<String>`) —
  the known metrics names by this service

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-micrometer-metrics/metrics_service.rb', line 51

    def metrics_names
      if !block_given?
        return ::Vertx::Util::Utils.to_set(@j_del.java_method(:metricsNames, []).call()).map! { |elt| elt }
      end
      raise ArgumentError, "Invalid arguments when calling metrics_names()"
    end