1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
15 // * Neither the name of Google Inc. nor the names of its
16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 // Author: kenton@google.com (Kenton Varda)
32 // Based on original Protocol Buffers design by
33 // Sanjay Ghemawat, Jeff Dean, and others.
35 #ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_SERVICE_H__
36 #define GOOGLE_PROTOBUF_COMPILER_JAVA_SERVICE_H__
39 #include <google/protobuf/descriptor.h>
45 class Context; // context.h
46 class ClassNameResolver; // name_resolver.h
48 } // namespace compiler
50 class Printer; // printer.h
52 } // namespace protobuf
60 class ServiceGenerator {
62 explicit ServiceGenerator(const ServiceDescriptor* descriptor);
63 virtual ~ServiceGenerator();
65 virtual void Generate(io::Printer* printer) = 0;
67 enum RequestOrResponse { REQUEST, RESPONSE };
68 enum IsAbstract { IS_ABSTRACT, IS_CONCRETE };
71 const ServiceDescriptor* descriptor_;
74 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ServiceGenerator);
77 class ImmutableServiceGenerator : public ServiceGenerator {
79 ImmutableServiceGenerator(const ServiceDescriptor* descriptor,
81 virtual ~ImmutableServiceGenerator();
83 virtual void Generate(io::Printer* printer);
86 // Generate the getDescriptorForType() method.
87 void GenerateGetDescriptorForType(io::Printer* printer);
89 // Generate a Java interface for the service.
90 void GenerateInterface(io::Printer* printer);
92 // Generate newReflectiveService() method.
93 void GenerateNewReflectiveServiceMethod(io::Printer* printer);
95 // Generate newReflectiveBlockingService() method.
96 void GenerateNewReflectiveBlockingServiceMethod(io::Printer* printer);
98 // Generate abstract method declarations for all methods.
99 void GenerateAbstractMethods(io::Printer* printer);
101 // Generate the implementation of Service.callMethod().
102 void GenerateCallMethod(io::Printer* printer);
104 // Generate the implementation of BlockingService.callBlockingMethod().
105 void GenerateCallBlockingMethod(io::Printer* printer);
107 // Generate the implementations of Service.get{Request,Response}Prototype().
108 void GenerateGetPrototype(RequestOrResponse which, io::Printer* printer);
110 // Generate a stub implementation of the service.
111 void GenerateStub(io::Printer* printer);
113 // Generate a method signature, possibly abstract, without body or trailing
115 void GenerateMethodSignature(io::Printer* printer,
116 const MethodDescriptor* method,
117 IsAbstract is_abstract);
119 // Generate a blocking stub interface and implementation of the service.
120 void GenerateBlockingStub(io::Printer* printer);
122 // Generate the method signature for one method of a blocking stub.
123 void GenerateBlockingMethodSignature(io::Printer* printer,
124 const MethodDescriptor* method);
126 // Return the output type of the method.
127 std::string GetOutput(const MethodDescriptor* method);
130 ClassNameResolver* name_resolver_;
131 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ImmutableServiceGenerator);
135 } // namespace compiler
136 } // namespace protobuf
137 } // namespace google
139 #endif // NET_PROTO2_COMPILER_JAVA_SERVICE_H__