Class: ActiveGroonga::Migration

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

Constant Summary collapse

@@migrations = 
[]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(version, path, schema) ⇒ Migration

Returns a new instance of Migration.



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# File 'lib/active_groonga/migration.rb', line 35

def initialize(version, path, schema)
  @version = version
  @path = path
  @schema = schema
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object (private) 



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# File 'lib/active_groonga/migration.rb', line 73

def method_missing(name, *args, &block)
  if @schema.respond_to?(name)
    @schema.send(name, *args, &block)
  else
    super
  end
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/active_groonga/migration.rb', line 34

def path
  @path
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/active_groonga/migration.rb', line 34

def version
  @version
end

Class Method Details

.inherited(sub_class) ⇒ Object 



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# File 'lib/active_groonga/migration.rb', line 20

def inherited(sub_class)
  super
  @@migrations << sub_class
end

.migration_name ⇒ Object 



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# File 'lib/active_groonga/migration.rb', line 29

def migration_name
  name.split(/::/).last
end

.migrations ⇒ Object 



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# File 'lib/active_groonga/migration.rb', line 25

def migrations
  @@migrations
end

Instance Method Details

#migrate(direction) ⇒ Object 



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# File 'lib/active_groonga/migration.rb', line 45

def migrate(direction)
  result = nil
  case direction
  when :up
    report("migrating")
  when :down
    report("reverting")
  end
  time = Benchmark.measure do
    result = send(direction)
  end
  case direction
  when :up
    report("migrated (%.4fs)" % time.real)
  when :down
    report("reverted (%.4fs)" % time.real)
  end
  result
end

#name ⇒ Object 



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# File 'lib/active_groonga/migration.rb', line 41

def name
  self.class.migration_name
end