Class: S3FileCollection

Inherits:
Object show all
Defined in:
lib/cosmos/utilities/s3_file_cache.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ S3FileCollection

Returns a new instance of S3FileCollection.



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# File 'lib/cosmos/utilities/s3_file_cache.rb', line 86

def initialize
  @array = []
  @mutex = Mutex.new
end

Instance Method Details

#add(s3_path, size, priority) ⇒ Object 



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# File 'lib/cosmos/utilities/s3_file_cache.rb', line 91

def add(s3_path, size, priority)
  @mutex.synchronize do
    @array.each do |file|
      if file.s3_path == s3_path
        file.priority = priority if priority < file.priority
        @array.sort! {|a,b| a.priority <=> b.priority}
        return file
      end
    end
    file = S3File.new(s3_path, size, priority)
    @array << file
    @array.sort! {|a,b| a.priority <=> b.priority}
    return file
  end
end

#current_disk_usage ⇒ Object 



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# File 'lib/cosmos/utilities/s3_file_cache.rb', line 129

def current_disk_usage
  @mutex.synchronize do
    total_size = 0
    @array.each do |file|
      total_size += file.size if file.local_path
    end
    return total_size
  end
end

#get(local_path) ⇒ Object 



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# File 'lib/cosmos/utilities/s3_file_cache.rb', line 111

def get(local_path)
  @mutex.synchronize do
    @array.each do |file|
      return file if file.local_path == local_path
    end
  end
  return nil
end

#get_next_to_retrieve ⇒ Object 



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# File 'lib/cosmos/utilities/s3_file_cache.rb', line 120

def get_next_to_retrieve
  @mutex.synchronize do
    @array.each do |file|
      return file unless file.local_path
    end
  end
  return nil
end

#length ⇒ Object 



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# File 'lib/cosmos/utilities/s3_file_cache.rb', line 107

def length
  @array.length
end