Class: VersionCake::ExtractionStrategy
- Inherits:
-
Object
- Object
- VersionCake::ExtractionStrategy
show all
- Defined in:
- lib/versioncake/strategies/extraction_strategy.rb
Class Method Summary
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Instance Method Summary
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Class Method Details
.lookup(strategy) ⇒ Object
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# File 'lib/versioncake/strategies/extraction_strategy.rb', line 25
def self.lookup(strategy)
case strategy
when String, Symbol
strategy_name = "#{strategy}_strategy".camelize
begin
VersionCake.const_get(strategy_name).new
rescue
raise Exception, "Unknown VersionCake extraction strategy #{strategy_name}"
end
when Proc
if strategy.arity == 1
VersionCake::CustomStrategy.new(strategy)
else
raise Exception, "Custom proc extraction strategy requires a single parameter"
end
when Object
if !strategy.methods.include?(:execute)
raise Exception, "Custom extraction strategy requires an execute method"
elsif strategy.method(:execute).arity != 1
raise Exception, "Custom extraction strategy requires an execute method with a single parameter"
else
VersionCake::CustomStrategy.new(strategy)
end
else
raise Exception, "Invalid extration strategy"
end
end
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Instance Method Details
#execute(request) ⇒ Object
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# File 'lib/versioncake/strategies/extraction_strategy.rb', line 21
def execute(request)
raise Exception, "ExtractionStrategy requires execute to be implemented"
end
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# File 'lib/versioncake/strategies/extraction_strategy.rb', line 6
def (request)
version = execute(request)
if version.is_a?(Fixnum)
version
elsif version.is_a?(String) && /[0-9]+/.match(version)
version.to_i
else
nil
end
end
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#version_key ⇒ Object
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# File 'lib/versioncake/strategies/extraction_strategy.rb', line 17
def version_key
VersionCake::Railtie.config.versioncake.version_key
end
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