1 // Protocol Buffers - Google's data interchange format
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30 
31 // Defines a TypeResolver for the Any message.
32 
33 #ifndef GOOGLE_PROTOBUF_UTIL_TYPE_RESOLVER_H__
34 #define GOOGLE_PROTOBUF_UTIL_TYPE_RESOLVER_H__
35 
36 #include <string>
37 
38 #include <google/protobuf/stubs/common.h>
39 #include <google/protobuf/type.pb.h>
40 #include <google/protobuf/stubs/status.h>
41 
42 #include <google/protobuf/port_def.inc>
43 
44 namespace google {
45 namespace protobuf {
46 class DescriptorPool;
47 namespace util {
48 
49 // Abstract interface for a type resovler.
50 //
51 // Implementations of this interface must be thread-safe.
52 class PROTOBUF_EXPORT TypeResolver {
53  public:
TypeResolver()54   TypeResolver() {}
~TypeResolver()55   virtual ~TypeResolver() {}
56 
57   // Resolves a type url for a message type.
58   virtual util::Status ResolveMessageType(
59       const std::string& type_url, google::protobuf::Type* message_type) = 0;
60 
61   // Resolves a type url for an enum type.
62   virtual util::Status ResolveEnumType(const std::string& type_url,
63                                          google::protobuf::Enum* enum_type) = 0;
64 
65  private:
66   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TypeResolver);
67 };
68 
69 }  // namespace util
70 }  // namespace protobuf
71 }  // namespace google
72 
73 #include <google/protobuf/port_undef.inc>
74 
75 #endif  // GOOGLE_PROTOBUF_UTIL_TYPE_RESOLVER_H__
76