THRIFT-529. java: Change generated constructors so that application code evolves better

Optional fields are now excluded from constructors.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@820857 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Bryan Duxbury 2009-10-02 00:56:53 +00:00
parent f18202fbd0
commit 364902eb56

View File

@ -1068,6 +1068,8 @@ void t_java_generator::generate_java_struct_definition(ofstream &out,
generate_java_meta_data_map(out, tstruct);
bool all_optional_members = true;
// Default constructor
indent(out) <<
"public " << tstruct->get_name() << "() {" << endl;
@ -1077,22 +1079,27 @@ void t_java_generator::generate_java_struct_definition(ofstream &out,
if ((*m_iter)->get_value() != NULL) {
print_const_value(out, "this." + (*m_iter)->get_name(), t, (*m_iter)->get_value(), true, true);
}
if ((*m_iter)->get_req() != t_field::T_OPTIONAL) {
all_optional_members = false;
}
}
indent_down();
indent(out) << "}" << endl << endl;
if (!members.empty()) {
if (!members.empty() && !all_optional_members) {
// Full constructor for all fields
indent(out) <<
"public " << tstruct->get_name() << "(" << endl;
indent_up();
for (m_iter = members.begin(); m_iter != members.end(); ) {
indent(out) << type_name((*m_iter)->get_type()) << " " <<
(*m_iter)->get_name();
++m_iter;
if (m_iter != members.end()) {
out << "," << endl;
bool first = true;
for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
if ((*m_iter)->get_req() != t_field::T_OPTIONAL) {
if (!first) {
out << "," << endl;
}
first = false;
indent(out) << type_name((*m_iter)->get_type()) << " " <<
(*m_iter)->get_name();
}
}
out << ")" << endl;
@ -1101,9 +1108,11 @@ void t_java_generator::generate_java_struct_definition(ofstream &out,
indent_up();
indent(out) << "this();" << endl;
for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
indent(out) << "this." << (*m_iter)->get_name() << " = " <<
(*m_iter)->get_name() << ";" << endl;
generate_isset_set(out, (*m_iter));
if ((*m_iter)->get_req() != t_field::T_OPTIONAL) {
indent(out) << "this." << (*m_iter)->get_name() << " = " <<
(*m_iter)->get_name() << ";" << endl;
generate_isset_set(out, (*m_iter));
}
}
indent_down();
indent(out) << "}" << endl << endl;