Class: Fog::Collection
- Inherits:
-
Array
- Object
- Array
- Fog::Collection
show all
- Defined in:
- lib/fog/collection.rb
Direct Known Subclasses
AWS::EC2::Addresses, AWS::EC2::Flavors, AWS::EC2::Images, AWS::EC2::KeyPairs, AWS::EC2::SecurityGroups, AWS::EC2::Servers, AWS::EC2::Snapshots, AWS::EC2::Volumes, AWS::S3::Directories, AWS::S3::Files, Rackspace::Files::Directories, Rackspace::Files::Files, Rackspace::Servers::Flavors, Rackspace::Servers::Images, Rackspace::Servers::Servers, Slicehost::Flavors, Slicehost::Images, Slicehost::Servers
Class Method Summary
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Instance Method Summary
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Constructor Details
#initialize(attributes = {}) ⇒ Collection
Returns a new instance of Collection.
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# File 'lib/fog/collection.rb', line 76
def initialize(attributes = {})
merge_attributes(attributes)
@loaded = false
end
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Class Method Details
._load(marshalled) ⇒ Object
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# File 'lib/fog/collection.rb', line 23
def self._load(marshalled)
new(Marshal.load(marshalled))
end
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.aliases ⇒ Object
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# File 'lib/fog/collection.rb', line 42
def self.aliases
@aliases ||= {}
end
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.attribute(name, other_names = []) ⇒ Object
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# File 'lib/fog/collection.rb', line 27
def self.attribute(name, other_names = [])
class_eval <<-EOS, __FILE__, __LINE__
attr_accessor :#{name}
EOS
@attributes ||= []
@attributes |= [name]
for other_name in [*other_names]
aliases[other_name] = name
end
end
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.attributes ⇒ Object
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# File 'lib/fog/collection.rb', line 46
def self.attributes
@attributes ||= []
end
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.model(new_model) ⇒ Object
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# File 'lib/fog/collection.rb', line 38
def self.model(new_model)
@model = new_model
end
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Instance Method Details
#_dump ⇒ Object
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# File 'lib/fog/collection.rb', line 50
def _dump
Marshal.dump(attributes)
end
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#attributes ⇒ Object
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# File 'lib/fog/collection.rb', line 54
def attributes
attributes = {}
for attribute in self.class.attributes
attributes[attribute] = send("#{attribute}")
end
attributes
end
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#connection ⇒ Object
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# File 'lib/fog/collection.rb', line 66
def connection
@connection
end
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#connection=(new_connection) ⇒ Object
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# File 'lib/fog/collection.rb', line 62
def connection=(new_connection)
@connection = new_connection
end
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#create(attributes = {}) ⇒ Object
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# File 'lib/fog/collection.rb', line 70
def create(attributes = {})
object = new(attributes)
object.save
object
end
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#inspect ⇒ Object
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# File 'lib/fog/collection.rb', line 81
def inspect
Thread.current[:formatador] ||= Formatador.new
data = "#{Thread.current[:formatador].indentation}<#{self.class.name}\n"
Thread.current[:formatador].indent do
unless self.class.attributes.empty?
data << "#{Thread.current[:formatador].indentation}"
data << self.class.attributes.map {|attribute| "#{attribute}=#{send(attribute).inspect}"}.join(",\n#{Thread.current[:formatador].indentation}")
data << "\n"
end
data << "#{Thread.current[:formatador].indentation}["
unless self.empty?
data << "\n"
Thread.current[:formatador].indent do
data << self.map {|member| member.inspect}.join(",\n")
data << "\n"
end
data << Thread.current[:formatador].indentation
end
data << "]\n"
end
data << "#{Thread.current[:formatador].indentation}>"
data
end
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#load(objects) ⇒ Object
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# File 'lib/fog/collection.rb', line 105
def load(objects)
if @loaded
clear
end
@loaded = true
for object in objects
self << new(object)
end
self
end
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#merge_attributes(new_attributes = {}) ⇒ Object
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# File 'lib/fog/collection.rb', line 120
def merge_attributes(new_attributes = {})
for key, value in new_attributes
if aliased_key = self.class.aliases[key]
send("#{aliased_key}=", value)
else
send("#{key}=", value)
end
end
self
end
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#model ⇒ Object
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# File 'lib/fog/collection.rb', line 116
def model
self.class.instance_variable_get('@model')
end
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#new(attributes = {}) ⇒ Object
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# File 'lib/fog/collection.rb', line 131
def new(attributes = {})
model.new(
attributes.merge!(
:collection => self,
:connection => connection
)
)
end
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#reload ⇒ Object
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# File 'lib/fog/collection.rb', line 140
def reload
self.clear.concat(all)
end
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#table(attributes = nil) ⇒ Object
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# File 'lib/fog/collection.rb', line 144
def table(attributes = nil)
Formatador.display_table(self.map {|instance| instance.attributes}, attributes)
end
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#to_json ⇒ Object
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# File 'lib/fog/collection.rb', line 148
def to_json
self.map {|member| member}.to_json
end
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