# File lib/glue/cache/pstore.rb, line 17
17:     def initialize(keepalive = nil)
18:       @keepalive = keepalive
19:       initialize_store
20:     end

    # File lib/glue/cache/pstore.rb, line 25
25:     def [](key)
26:       current_try = 0
27:       begin
28:         current_try += 1
29:         @store.transaction(true) do
30:           @store.fetch(key, nil)[1]
31:         end
32:       rescue PStore::Error
33:         # Unable to return the requested object from the cache.
34:         # Create a new store and retry.
35:         initialize_store
36:         unless current_try > PStoreCache.max_tries
37:           retry
38:         else
39:           raise Exception.new("Unable to read from cache file #{@store.path}!")
40:         end
41:       end
42:     end

    # File lib/glue/cache/pstore.rb, line 46
46:     def []=(key, obj)
47:       current_try = 0
48:       begin
49:         current_try += 1
50:         @store.transaction(false) do
51:           if @keepalive
52:             @store[key] = [Time.now + @keepalive, obj]
53:           else
54:             @store[key] = [nil, obj]
55:           end
56:         end
57:       rescue PStore::Error
58:         # Unable to store object.
59:         # Create a new store and retry.
60:         initialize_store
61:         unless current_try > PStoreCache.max_tries
62:           retry
63:         else
64:           raise Exception.new("Unable to write to cache file #{@store.path}!")
65:         end
66:       end
67:     end

    # File lib/glue/cache/pstore.rb, line 71
71:     def all
72:       current_try = 0
73:       begin
74:         current_try += 1
75:         @store.transaction(true) do
76:           @store.roots.inject([]) do |result, current|
77:             result << @store[current][1]
78:           end
79:         end
80:       rescue PStore::Error
81:         # Unable to return stored objects from cache.
82:         # Create a new store and retry.
83:         initialize_store
84:         unless current_try > PStoreCache.max_tries
85:           retry
86:         else
87:           raise Exception.new("Unable to read from cache file #{@store.path}!")
88:         end
89:       end
90:     end

     # File lib/glue/cache/pstore.rb, line 94
 94:     def delete(key)
 95:       begin
 96:         @store.transaction(false) do
 97:           @store.delete(key)
 98:         end
 99:       rescue PStore::Error
100:         # Unable to delete object from the cache.
101:         # Create a new store.
102:         initialize_store
103:       end
104:     end

     # File lib/glue/cache/pstore.rb, line 108
108:     def gc!
109:       return unless @keepalive
110:       begin
111:         now = Time.now
112:         @store.transaction(false) do
113:           @store.roots.each do |r|
114:             @store.delete(r) if now > @store[r][0]
115:           end
116:         end
117:       rescue PStore::Error
118:         # Unable to delete object from the cache.
119:         # Create a new store.
120:         initialize_store
121:       end
122:     end