Class: Snowden::Backends::HashBackend

Inherits:

Object

• Object
• Snowden::Backends::HashBackend

Defined in:

lib/snowden/backends/hash_backend.rb

Instance Method Summary

• #find(key) ⇒ [String]

  Finds a value in this index.

• #initialize(namespace = "", hash = SNOWDEN_BACKEND_HASH) ⇒ HashBackend constructor

  Creates a new redis backend.

• #save(key, value) ⇒ Object

  Saves a value in this index.

Constructor Details

#initialize(namespace = "", hash = SNOWDEN_BACKEND_HASH) ⇒ HashBackend

Creates a new redis backend

Parameters:

• namespace (String) (defaults to: "") —

  the string this backend is namespaced under.

• hash (Hash) (defaults to: SNOWDEN_BACKEND_HASH) —

  a Hash object instance to save values in.

# File 'lib/snowden/backends/hash_backend.rb', line 11

def initialize(namespace="", hash=SNOWDEN_BACKEND_HASH)
  @namespace = namespace
  @hash      = hash
end

Instance Method Details

#find(key) ⇒ [String]

Finds a value in this index

Parameters:

• key (String) —

  the string key to search the index for.

Returns:

• ([String]) —

  a list of strings that matched the namespaced key.

# File 'lib/snowden/backends/hash_backend.rb', line 30

def find(key)
  @hash.fetch(namespaced_key(key), [])
end

#save(key, value) ⇒ Object

Saves a value in this index

Parameters:

• key (String) —

  the string key to save the value under.

• value (String) —

  the value to save.

# File 'lib/snowden/backends/hash_backend.rb', line 20

def save(key, value)
  @hash[namespaced_key(key)] ||= []
  @hash[namespaced_key(key)] << value
  nil
end