# File lib/rbvmomi/vim/ResourcePool.rb, line 23
  def self.resourcePoolSubTree objs, fields = []
    fields = (fields + ['name', 'resourcePool']).uniq
    filterSpec = RbVmomi::VIM.PropertyFilterSpec(
      :objectSet => objs.map do |obj|
        RbVmomi::VIM.ObjectSpec(
          :obj => obj,
          :selectSet => [
            RbVmomi::VIM.TraversalSpec(
              :name => "tsRP",
              :type => 'ResourcePool',
              :path => 'resourcePool',
              :skip => false,
              :selectSet => [
                RbVmomi::VIM.SelectionSpec(:name => "tsRP")
              ]
            )
          ]
        )
      end,
      :propSet => [{
        :pathSet => fields,
        :type => 'ResourcePool'
      }]
    )
  
    propCollector = objs.first._connection.propertyCollector
    result = propCollector.RetrieveProperties(:specSet => [filterSpec])
    
    Hash[result.map do |x|
      [x.obj, x.to_hash]
    end]
  end