Class: Megam::PredefCloudCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/megam/core/predefcloud_collection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PredefCloudCollection

Returns a new instance of PredefCloudCollection.



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# File 'lib/megam/core/predefcloud_collection.rb', line 21

def initialize
  @predefclouds = Array.new
  @predefclouds_by_name = Hash.new
  @insert_after_idx = nil
end

Instance Attribute Details

#iterator ⇒ Object (readonly)

Returns the value of attribute iterator.



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# File 'lib/megam/core/predefcloud_collection.rb', line 20

def iterator
  @iterator
end

Class Method Details

.json_create(o) ⇒ Object

{ “json_claz”:“Megam::PredefCloudCollection”, “results”:[{ “id”:“NOD362554470640386048”, “name”:“ec2_rails”, “account_id”:“ACT362544229488001024”, “json_claz”:“Megam::PredefCloud”, “spec”:{ “type_name”:“sensor-type”, “groups”:“sens-group”, “image”:“sens-image”, “flavor”:“sens-flvr” }, “access”:{ “ssh_key”:“sens-ssh”, “identity_file”:“sens-identity-file”, “ssh_user”:“sens-sshuser” }, “ideal”:“”, “performance”:“” }] }



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# File 'lib/megam/core/predefcloud_collection.rb', line 143

def self.json_create(o)
  collection = self.new()
  o["results"].each do |predefclouds_list|
    predefclouds_array = predefclouds_list.kind_of?(Array) ? predefclouds_list : [ predefclouds_list ]
    predefclouds_array.each do |predefclouds|
      collection.insert(predefclouds)
    end
  end
  collection
end

Instance Method Details

#<<(*args) ⇒ Object Also known as: push 



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# File 'lib/megam/core/predefcloud_collection.rb', line 41

def <<(*args)
  args.flatten.each do |a|
    is_megam_predefclouds(a)
    @predefclouds << a
    @predefclouds_by_name[a.name] =@predefclouds.length - 1
  end
  self
end

#[](index) ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 31

def [](index)
  @predefclouds[index]
end

#[]=(index, arg) ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 35

def []=(index, arg)
  is_megam_predefclouds(arg)
  @predefclouds[index] = arg
  @predefclouds_by_name[arg.name] = index
end

#all_predefclouds ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 27

def all_predefclouds
  @predefclouds
end

#each ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 72

def each
  @predefclouds.each do |predefclouds|
    yield predefclouds
  end
end

#each_index ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 78

def each_index
  @predefclouds.each_index do |i|
    yield i
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/megam/core/predefcloud_collection.rb', line 84

def empty?
  @predefclouds.empty?
end

#insert(predefclouds) ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 53

def insert(predefclouds)
  is_megam_predefclouds(predefclouds)
  if @insert_after_idx
    # in the middle of executing a run, so any predefs inserted now should
    # be placed after the most recent addition done by the currently executing
    # predefclouds
    @predefclouds.insert(@insert_after_idx + 1, predefclouds)
    # update name -> location mappings and register new predefclouds
    @predefclouds_by_name.each_key do |key|
    @predefclouds_by_name[key] += 1 if@predefclouds_by_name[key] > @insert_after_idx
    end
    @predefclouds_by_name[predefclouds.name] = @insert_after_idx + 1
    @insert_after_idx += 1
  else
  @predefclouds << predefclouds
  @predefclouds_by_name[predefclouds.name] =@predefclouds.length - 1
  end
end

#lookup(predefclouds) ⇒ Object 



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# File 'lib/megam/core/predefcloud_collection.rb', line 88

def lookup(predefclouds)
  lookup_by = nil
  if predefclouds.kind_of?(Megam::PredefCloud)
  lookup_by = predefclouds.name
  elsif predefclouds.kind_of?(String)
  lookup_by = predefclouds
  else
    raise ArgumentError, "Must pass a Megam::PredefClouds or String to lookup"
  end
  res =@predefclouds_by_name[lookup_by]
  unless res
    raise ArgumentError, "Cannot find a predefclouds matching #{lookup_by} (did you define it first?)"
  end
  @predefclouds[res]
end

#to_hash ⇒ Object

Transform the ruby obj -> to a Hash



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# File 'lib/megam/core/predefcloud_collection.rb', line 105

def to_hash
  index_hash = Hash.new
  self.each do |predefclouds|
    index_hash[predefclouds.name] = predefclouds.to_s
  end
  index_hash
end

#to_json(*a) ⇒ Object

Serialize this object as a hash: called from JsonCompat. Verify if this called from JsonCompat during testing.



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# File 'lib/megam/core/predefcloud_collection.rb', line 115

def to_json(*a)
  for_json.to_json(*a)
end