Class: Tango::DatabaseLocker
- Inherits:
-
Object
- Object
- Tango::DatabaseLocker
- Defined in:
- lib/tango/database_locker.rb
Overview
Database locker in form of .lock file
Instance Attribute Summary (collapse)
-
- (Object) lock_path
readonly
Returns the value of attribute lock_path.
Instance Method Summary (collapse)
-
- (Tango::DatabaseLocker) initialize(candidates = [], lock_path = "./tmp/database.lock")
constructor
Constructor of DatabaseLocker.
-
- (Tango::DatabaseLocker) lock(database)
Lock given database.
-
- (Object) unlocked
Return name of unlocked database.
Constructor Details
- (Tango::DatabaseLocker) initialize(candidates = [], lock_path = "./tmp/database.lock")
Constructor of DatabaseLocker
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# File 'lib/tango/database_locker.rb', line 16 def initialize( candidates = [], lock_path = "./tmp/database.lock" ) @candidates = candidates @lock_path = lock_path end |
Instance Attribute Details
- (Object) lock_path (readonly)
Returns the value of attribute lock_path
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# File 'lib/tango/database_locker.rb', line 8 def lock_path @lock_path end |
Instance Method Details
- (Tango::DatabaseLocker) lock(database)
Lock given database
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# File 'lib/tango/database_locker.rb', line 37 def lock( database ) @unlocked = nil File.open( lock_path, "w" ) do |f| f.write( database ) end self end |
- (Object) unlocked
Return name of unlocked database
return [String]
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# File 'lib/tango/database_locker.rb', line 24 def unlocked @unlocked ||= find_unlocked end |