Module: Datadog::Contrib::ActiveSupport::Cache::Patcher

Includes:
Patcher
Defined in:
lib/ddtrace/contrib/active_support/cache/patcher.rb

Overview

Patcher enables patching of ‘active_support’ module.

Class Method Summary collapse

Methods included from Patcher

included

Class Method Details

.cache_store_class(meth) ⇒ Object 



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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 31

def cache_store_class(meth)
  ::ActiveSupport::Cache::Store
end

.patch ⇒ Object 



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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 18

def patch
  do_once(:cache) do
    begin
      patch_cache_store_read
      patch_cache_store_fetch
      patch_cache_store_write
      patch_cache_store_delete
    rescue StandardError => e
      Datadog::Tracer.log.error("Unable to apply Active Support cache integration: #{e}")
    end
  end
end

.patch_cache_store_delete ⇒ Object 



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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 53

def patch_cache_store_delete
  do_once(:patch_cache_store_delete) do
    cache_store_class(:delete).send(:prepend, Cache::Instrumentation::Delete)
  end
end

.patch_cache_store_fetch ⇒ Object 



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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 41

def patch_cache_store_fetch
  do_once(:patch_cache_store_fetch) do
    cache_store_class(:fetch).send(:prepend, Cache::Instrumentation::Fetch)
  end
end

.patch_cache_store_read ⇒ Object 



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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 35

def patch_cache_store_read
  do_once(:patch_cache_store_read) do
    cache_store_class(:read).send(:prepend, Cache::Instrumentation::Read)
  end
end

.patch_cache_store_write ⇒ Object 



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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 47

def patch_cache_store_write
  do_once(:patch_cache_store_write) do
    cache_store_class(:write).send(:prepend, Cache::Instrumentation::Write)
  end
end

.patched? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ddtrace/contrib/active_support/cache/patcher.rb', line 14

def patched?
  done?(:cache)
end