Class: Blobby::AbstractStore::StoredObject Abstract

Inherits:
Object
  • Object
show all
Defined in:
lib/blobby/abstract_store.rb

Overview

This class is abstract.

A handle to an object in the BLOB-store.

Instance Method Summary collapse

Instance Method Details

#delete ⇒ Object 



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# File 'lib/blobby/abstract_store.rb', line 63

def delete
  !@hash.delete(key).nil?
end

#exists? ⇒ Boolean

Check for existence.

Returns:

  • (Boolean) —

    true if the object exists



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# File 'lib/blobby/abstract_store.rb', line 30

def exists?
  false
end

#read ⇒ String? #read {|chunk| ... } ⇒ void

Overloads:

  • #read ⇒ String?

    Read BLOB data.

    Returns:

    • (String) —

      data if the object exists

    • (nil) —

      if the object doesn’t exist

  • #read {|chunk| ... } ⇒ void

    This method returns an undefined value.

    Stream BLOB data in chunks.

    Yields:

    • (chunk) —

      each chunk of data



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# File 'lib/blobby/abstract_store.rb', line 42

def read
  content = @hash[key]
  if block_given?
    yield content
    nil
  else
    content
  end
end

#write(content) ⇒ Object 



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# File 'lib/blobby/abstract_store.rb', line 52

def write(content)
  content = if content.respond_to?(:read)
              content.read
            else
              content.to_str.dup
            end
  content = content.force_encoding("BINARY") if content.respond_to?(:force_encoding)
  @hash[key] = content
  nil
end