Class: Qless::LuaScript
- Inherits:
-
Object
- Object
- Qless::LuaScript
- Defined in:
- lib/qless/lua_script.rb
Overview
Wraps a lua script. Knows how to reload it if necessary
Direct Known Subclasses
Defined Under Namespace
Modules: ScriptNotLoadedRedisCommandError
Constant Summary collapse
- SCRIPT_ROOT =
File.('../lua', __FILE__)
Instance Attribute Summary collapse
-
#name ⇒ Object
readonly
Returns the value of attribute name.
-
#redis ⇒ Object
readonly
Returns the value of attribute redis.
-
#sha ⇒ Object
readonly
Returns the value of attribute sha.
Instance Method Summary collapse
- #call(*argv) ⇒ Object
-
#initialize(name, redis) ⇒ LuaScript
constructor
A new instance of LuaScript.
- #reload ⇒ Object
Constructor Details
#initialize(name, redis) ⇒ LuaScript
Returns a new instance of LuaScript.
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# File 'lib/qless/lua_script.rb', line 12 def initialize(name, redis) @name = name @redis = redis @sha = Digest::SHA1.hexdigest(script_contents) end |
Instance Attribute Details
#name ⇒ Object (readonly)
Returns the value of attribute name.
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# File 'lib/qless/lua_script.rb', line 18 def name @name end |
#redis ⇒ Object (readonly)
Returns the value of attribute redis.
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# File 'lib/qless/lua_script.rb', line 18 def redis @redis end |
#sha ⇒ Object (readonly)
Returns the value of attribute sha.
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# File 'lib/qless/lua_script.rb', line 18 def sha @sha end |
Instance Method Details
#call(*argv) ⇒ Object
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# File 'lib/qless/lua_script.rb', line 24 def call(*argv) handle_no_script_error do _call(*argv) end rescue Redis::CommandError => err if match = err..match('user_script:\d+:\s*(\w+.+$)') raise LuaScriptError.new(match[1]) else raise err end end |
#reload ⇒ Object
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# File 'lib/qless/lua_script.rb', line 20 def reload @sha = @redis.script(:load, script_contents) end |