org.apache.jmeter.visualizers.backend.graphite

## Class GraphiteBackendListenerClient

- java.lang.Object
- - org.apache.jmeter.visualizers.backend.AbstractBackendListenerClient
  - - org.apache.jmeter.visualizers.backend.graphite.GraphiteBackendListenerClient

- All Implemented Interfaces:
    Runnable, BackendListenerClient

      public class GraphiteBackendListenerClient
      extends AbstractBackendListenerClient
      implements Runnable

  Graphite based Listener using Pickle Protocol
  Since:
    2.13
  See Also:
    Graphite Overview

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `USE_REGEXP_FOR_SAMPLERS_LIST`
    `static String` | `USE_REGEXP_FOR_SAMPLERS_LIST_DEFAULT`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `GraphiteBackendListenerClient()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Arguments` | `getDefaultParameters()` Provide a list of parameters which this test supports.
    `String` | `getSamplersList()`
    `void` | `handleSampleResults(List<SampleResult> sampleResults, BackendListenerContext context)` Handle sampleResults, this can be done in many ways: Write to a file Write to a distant server ...
    `void` | `run()`
    `protected void` | `sendMetrics()` Send metrics to Graphite
    `void` | `setSamplersList(String samplersList)`
    `void` | `setupTest(BackendListenerContext context)` Do any initialization required by this client.
    `void` | `teardownTest(BackendListenerContext context)` Do any clean-up required at the end of a test run.

    - ### Methods inherited from class org.apache.jmeter.visualizers.backend.AbstractBackendListenerClient

      `createSampleResult, getLogger, getMetricsPerSampler, getNewLogger, getSamplerMetric, getUserMetrics`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### USE_REGEXP_FOR_SAMPLERS_LIST

          public static final String USE_REGEXP_FOR_SAMPLERS_LIST

      See Also:
        Constant Field Values

    - #### USE_REGEXP_FOR_SAMPLERS_LIST_DEFAULT

          public static final String USE_REGEXP_FOR_SAMPLERS_LIST_DEFAULT

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### GraphiteBackendListenerClient

          public GraphiteBackendListenerClient()

  - ### Method Detail

    - #### run

          public void run()

      Specified by:
        `run` in interface `Runnable`

    - #### sendMetrics

          protected void sendMetrics()

      Send metrics to Graphite

    - #### getSamplersList

          public String getSamplersList()

      Returns:
        the samplersList

    - #### setSamplersList

          public void setSamplersList(String samplersList)

      Parameters:
        `samplersList` - the samplersList to set

    - #### handleSampleResults

          public void handleSampleResults(List<SampleResult> sampleResults,
                                          BackendListenerContext context)

      Description copied from interface: `BackendListenerClient`
      Handle sampleResults, this can be done in many ways:
      - Write to a file
      - Write to a distant server
      - ...
      Specified by:
        `handleSampleResults` in interface `BackendListenerClient`
      Parameters:
        `sampleResults` - List of `SampleResult`
        `context` - the context to run with. This provides access to initialization parameters.

    - #### setupTest

          public void setupTest(BackendListenerContext context)
                         throws Exception

      Description copied from interface: `BackendListenerClient`
      Do any initialization required by this client. It is generally recommended to do any initialization such as getting parameter values in the setupTest method rather than the runTest method in order to add as little overhead as possible to the test.
      Specified by:
        `setupTest` in interface `BackendListenerClient`
      Overrides:
        `setupTest` in class `AbstractBackendListenerClient`
      Parameters:
        `context` - the context to run with. This provides access to initialization parameters. Context is readonly
      Throws:
        `Exception` - when setup fails

    - #### teardownTest

          public void teardownTest(BackendListenerContext context)
                            throws Exception

      Description copied from interface: `BackendListenerClient`
      Do any clean-up required at the end of a test run.
      Specified by:
        `teardownTest` in interface `BackendListenerClient`
      Overrides:
        `teardownTest` in class `AbstractBackendListenerClient`
      Parameters:
        `context` - the context to run with. This provides access to initialization parameters.
      Throws:
        `Exception` - when tear down fails

    - #### getDefaultParameters

          public Arguments getDefaultParameters()

      Description copied from interface: `BackendListenerClient`
      Provide a list of parameters which this test supports. Any parameter names and associated values returned by this method will appear in the GUI by default so the user doesn't have to remember the exact names. The user can add other parameters which are not listed here. If this method returns null then no parameters will be listed. If the value for some parameter is null then that parameter will be listed in the GUI with an empty value.
      Specified by:
        `getDefaultParameters` in interface `BackendListenerClient`
      Overrides:
        `getDefaultParameters` in class `AbstractBackendListenerClient`
      Returns:
        a specification of the parameters used by this test which should be listed in the GUI, or null if no parameters should be listed.

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