Class: AssetCloud::BucketChain

Inherits:
Bucket
  • Object
show all
Defined in:
lib/asset_cloud/buckets/bucket_chain.rb

Instance Attribute Summary

Attributes inherited from Bucket

#cloud, #name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Bucket

#initialize, #versioned?

Constructor Details

This class inherits a constructor from AssetCloud::Bucket

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 52

def method_missing(sym, *args)
  first_possible_bucket { |b| b.send(sym, *args) }
end

Class Method Details

.chain(*klasses) ⇒ Object

returns a new Bucket class which writes to each given Bucket but only uses the first one for reading



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 8

def chain(*klasses)
  Class.new(self) do
    attr_reader :chained_buckets

    define_method "initialize" do |cloud, name|
      super(cloud, name)
      @chained_buckets = klasses.map { |klass| klass.new(cloud, name) }
    end
  end
end

Instance Method Details

#delete(key) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 44

def delete(key)
  every_bucket_with_transaction_on_key(key) { |b| b.delete(key) }
end

#ls(key = nil) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 20

def ls(key = nil)
  first_possible_bucket { |b| b.ls(key) }
end

#read(key) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 24

def read(key)
  first_possible_bucket { |b| b.read(key) }
end

#read_version(key, version) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 32

def read_version(key, version)
  first_possible_bucket { |b| b.read_version(key, version) }
end

#respond_to_missing?(sym) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 48

def respond_to_missing?(sym, *)
  @chained_buckets.any? { |b| b.respond_to?(sym) }
end

#stat(key = nil) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 28

def stat(key = nil)
  first_possible_bucket { |b| b.stat(key) }
end

#versions(key) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 36

def versions(key)
  first_possible_bucket { |b| b.versions(key) }
end

#write(key, data) ⇒ Object 



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# File 'lib/asset_cloud/buckets/bucket_chain.rb', line 40

def write(key, data)
  every_bucket_with_transaction_on_key(key) { |b| b.write(key, data) }
end