Class: PCPEasy::Metric

Inherits:
Object
  • Object
show all
Defined in:
lib/pcp_easy/metric.rb,
lib/pcp_easy/metric/value.rb

Defined Under Namespace

Classes: Value

Instance Method Summary collapse

Constructor Details

#initialize(name, pm_desc, metric_values) ⇒ Metric

Returns a new instance of Metric.



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# File 'lib/pcp_easy/metric.rb', line 6

def initialize(name, pm_desc, metric_values)
  @name = name
  @pm_desc = pm_desc
  @metric_values = metric_values
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 20

def ==(other)
  self.class == other.class && \
  name == other.name && \
  values == other.values && \
  semantics == other.semantics && \
  type == other.type && \
  units == other.units
end

#inspect ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 102

def inspect
  "<#{self.class.to_s} name=#{name} values=#{values} semantics=#{semantics} type=#{type} units=#{units}>"
end

#name ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 12

def name
  @name
end

#semantics ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 29

def semantics
  case @pm_desc.sem
    when PCPEasy::PMAPI::PM_SEM_COUNTER
      :counter
    when PCPEasy::PMAPI::PM_SEM_INSTANT
      :instant
    when PCPEasy::PMAPI::PM_SEM_DISCRETE
      :discrete
    else
      :unknown
  end
end

#type ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 43

def type
  case @pm_desc.type
    when PCPEasy::PMAPI::PM_TYPE_NOSUPPORT
      :no_support
    when PCPEasy::PMAPI::PM_TYPE_32
      :int32
    when PCPEasy::PMAPI::PM_TYPE_U32
      :uint32
    when PCPEasy::PMAPI::PM_TYPE_64
      :int64
    when PCPEasy::PMAPI::PM_TYPE_U64
      :uint64
    when PCPEasy::PMAPI::PM_TYPE_FLOAT
      :float
    when PCPEasy::PMAPI::PM_TYPE_DOUBLE
      :double
    when PCPEasy::PMAPI::PM_TYPE_STRING
      :string
    when PCPEasy::PMAPI::PM_TYPE_AGGREGATE
      :aggregate
    when PCPEasy::PMAPI::PM_TYPE_AGGREGATE_STATIC
      :aggregate_static
    when PCPEasy::PMAPI::PM_TYPE_EVENT
      :event
    when PCPEasy::PMAPI::PM_TYPE_HIGHRES_EVENT
      :highres_event
    else
      :unknown
  end
end

#units ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 74

def units
  pm_units = @pm_desc.units

  if pm_units.dim_space == 1 && pm_units.dim_time == 0 && pm_units.dim_count == 0
    {:domain => space_unit(pm_units.scale_space), :range => nil}
  elsif pm_units.dim_space == 1 && pm_units.dim_time == -1 && pm_units.dim_count == 0
    {:domain => space_unit(pm_units.scale_space), :range => time_unit(pm_units.scale_time)}
  elsif pm_units.dim_space == 1 && pm_units.dim_time == 0 && pm_units.dim_count == -1
    {:domain => space_unit(pm_units.scale_space), :range => count_unit(pm_units.scale_count)}

  elsif pm_units.dim_space == 0 && pm_units.dim_time == 1 && pm_units.dim_count == 0
    {:domain => time_unit(pm_units.scale_time), :range => nil}
  elsif pm_units.dim_space == -1 && pm_units.dim_time == 1 && pm_units.dim_count == 0
    {:domain => time_unit(pm_units.scale_time), :range => space_unit(pm_units.scale_space)}
  elsif pm_units.dim_space == 0 && pm_units.dim_time == 1 && pm_units.dim_count == -1
    {:domain => time_unit(pm_units.scale_time), :range => count_unit(pm_units.scale_count)}

  elsif pm_units.dim_space == 0 && pm_units.dim_time == 0 && pm_units.dim_count == 1
    {:domain => count_unit(pm_units.scale_count), :range => nil}
  elsif pm_units.dim_space == -1 && pm_units.dim_time == 0 && pm_units.dim_count == 1
    {:domain => count_unit(pm_units.scale_count), :range => space_unit(pm_units.scale_space)}
  elsif pm_units.dim_space == 0 && pm_units.dim_time == -1 && pm_units.dim_count == 1
    {:domain => count_unit(pm_units.scale_count), :range => time_unit(pm_units.scale_time)}
  else
    {:domain => nil, :range => nil}
  end
end

#values ⇒ Object 



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# File 'lib/pcp_easy/metric.rb', line 16

def values
  @metric_values
end