Class: TDP::PatchSet

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

Overview

A set of patches.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PatchSet

Returns a new instance of PatchSet.



151
152
153
 
# File 'lib/tdp.rb', line 151

def initialize
  @patches = {}
end

Instance Method Details

#<<(patch) ⇒ Object

Adds a patch to the set. Raises ContradictionError in case if patch set already contains a patch with the same name and different content.

patch

Patch object to add



162
163
164
165
166
167
168
169
 
# File 'lib/tdp.rb', line 162

def <<(patch)
  known_patch = @patches[patch.name]
  if known_patch.nil?
    @patches[patch.name] = patch
  elsif patch.content != known_patch.content
    raise ContradictionError, [known_patch, patch]
  end
end

#[](name) ⇒ Object

Retrieves Patch by name. If there’s no patch with this name, returns nil.



197
198
199
 
# File 'lib/tdp.rb', line 197

def [](name)
  @patches[name]
end

#each ⇒ Object

Calls the given block once for each patch in collection, passing that element as a parameter.

Ordering of the patches is: first, all permanent patches alphanumerically sorted by name, then all volatile patches sorted in the same way.



179
180
181
 
# File 'lib/tdp.rb', line 179

def each
  @patches.values.sort.each { |patch| yield patch }
end

#select ⇒ Object

Returns an array of patches for which given block returns a true value.

Ordering of patches is same as in #self.each method.



189
190
191
 
# File 'lib/tdp.rb', line 189

def select
  @patches.values.sort.select { |patch| yield patch }
end