1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
##
# Resolver sets are used to look up specifications (and their
# dependencies) used in resolution. This set is abstract.
class Gem::Resolver::Set
##
# Set to true to disable network access for this set
attr_accessor :remote
##
# Errors encountered when resolving gems
attr_accessor :errors
##
# When true, allows matching of requests to prerelease gems.
attr_accessor :prerelease
def initialize # :nodoc:
@prerelease = false
@remote = true
@errors = []
end
##
# The find_all method must be implemented. It returns all Resolver
# Specification objects matching the given DependencyRequest +req+.
def find_all req
raise NotImplementedError
end
##
# The #prefetch method may be overridden, but this is not necessary. This
# default implementation does nothing, which is suitable for sets where
# looking up a specification is cheap (such as installed gems).
#
# When overridden, the #prefetch method should look up specifications
# matching +reqs+.
def prefetch reqs
end
##
# When true, this set is allowed to access the network when looking up
# specifications or dependencies.
def remote? # :nodoc:
@remote
end
end
|
