Apache Mesos
storage.hpp
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16 
17 #ifndef __MESOS_STATE_STORAGE_HPP__
18 #define __MESOS_STATE_STORAGE_HPP__
19 
20 #include <set>
21 #include <string>
22 
23 #include <mesos/state/state.pb.h>
24 
25 #include <process/future.hpp>
26 
27 #include <stout/option.hpp>
28 #include <stout/uuid.hpp>
29 
30 namespace mesos {
31 namespace state {
32 
33 class Storage
34 {
35 public:
36  Storage() {}
37  virtual ~Storage() {}
38 
39  // Get and set state entries, factored out to allow Storage
40  // implementations to be agnostic of Variable. Note that set acts
41  // like a "test-and-set" by requiring the existing entry to have the
42  // specified UUID.
44  const std::string& name) = 0;
45  virtual process::Future<bool> set(
46  const internal::state::Entry& entry,
47  const id::UUID& uuid) = 0;
48 
49  // Returns true if successfully expunged the variable from the state.
51  const internal::state::Entry& entry) = 0;
52 
53  // Returns the collection of variable names in the state.
55 };
56 
57 } // namespace state {
58 } // namespace mesos {
59 
60 #endif // __MESOS_STATE_STORAGE_HPP__
virtual ~Storage()
Definition: storage.hpp:37
virtual process::Future< bool > expunge(const internal::state::Entry &entry)=0
Storage()
Definition: storage.hpp:36
Definition: uuid.hpp:35
Definition: storage.hpp:33
virtual process::Future< bool > set(const internal::state::Entry &entry, const id::UUID &uuid)=0
virtual process::Future< std::set< std::string > > names()=0
constexpr const char * name
Definition: shell.hpp:41
Definition: future.hpp:57