THRIFT-540. java: Have set methods return reference to self

Issue title says it all, really.



git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@799130 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/compiler/cpp/src/generate/t_java_generator.cc b/compiler/cpp/src/generate/t_java_generator.cc
index 37c66fc..64f5347 100644
--- a/compiler/cpp/src/generate/t_java_generator.cc
+++ b/compiler/cpp/src/generate/t_java_generator.cc
@@ -1341,12 +1341,13 @@
 
     // Simple setter
     generate_java_doc(out, field);
-    indent(out) << "public void set" << cap_name << "(" << type_name(type) <<
+    indent(out) << "public " << type_name(tstruct) << " set" << cap_name << "(" << type_name(type) <<
       " " << field_name << ") {" << endl;
     indent_up();
     indent(out) << "this." << field_name << " = " << field_name << ";" <<
       endl;
     generate_isset_set(out, field);
+    indent(out) << "return this;" << endl;
 
     indent_down();
     indent(out) << "}" << endl << endl;