Class: CouchModel::Database

Inherits:
Object
  • Object
show all
Defined in:
lib/couch_model/database.rb

Overview

The Database class provides methods create, delete and retrieve informations of a CouchDB database.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = { }) ⇒ Database

Returns a new instance of Database.



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# File 'lib/couch_model/database.rb', line 14

def initialize(options = { })
  @name   = options[:name]    || raise(ArgumentError, "no database was given")
  @server = options[:server]  || Server.new
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/couch_model/database.rb', line 12

def name
  @name
end

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/couch_model/database.rb', line 11

def server
  @server
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/couch_model/database.rb', line 19

def ==(other)
  other.is_a?(self.class) && @name == other.name && @server == other.server
end

#===(other) ⇒ Object 



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# File 'lib/couch_model/database.rb', line 23

def ===(other)
  object_id == other.object_id
end

#create! ⇒ Object 



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# File 'lib/couch_model/database.rb', line 27

def create!
  Transport::JSON.request :put, url, :expected_status_code => 201
end

#create_if_missing! ⇒ Object 



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# File 'lib/couch_model/database.rb', line 31

def create_if_missing!
  create! unless exists?
end

#delete! ⇒ Object 



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# File 'lib/couch_model/database.rb', line 35

def delete!
  Transport::JSON.request :delete, url, :expected_status_code => 200
end

#delete_if_exists! ⇒ Object 



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# File 'lib/couch_model/database.rb', line 39

def delete_if_exists!
  delete! if exists?
end

#documents(options = { }) ⇒ Object 



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# File 'lib/couch_model/database.rb', line 55

def documents(options = { })
  Collection.new url + "/_all_docs", options
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/couch_model/database.rb', line 47

def exists?
  @server.database_names.include? @name
end

#informations ⇒ Object 



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# File 'lib/couch_model/database.rb', line 43

def informations
  Transport::JSON.request :get, url, :expected_status_code => 200
end

#url ⇒ Object 



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# File 'lib/couch_model/database.rb', line 51

def url
  "#{@server.url}/#{@name}"
end