Github user nsuke commented on a diff in the pull request:
https://github.com/apache/thrift/pull/448#discussion_r52825674
--- Diff: compiler/cpp/src/generate/t_java_generator.cc ---
@@ -1886,24 +1889,57 @@ void
t_java_generator::generate_java_struct_equality(ofstream& out, t_struct* ts
bool can_be_null = type_can_be_null(t);
string name = (*m_iter)->get_name();
- string present = "true";
+ if (is_optional || can_be_null) {
+ indent(out) << "hashCode = hashCode * " << MUL << " + ((" <<
generate_isset_check(*m_iter)
+ << ") ? " << B_YES << " : " << B_NO << ");" << endl;
+ }
if (is_optional || can_be_null) {
- present += " && (" + generate_isset_check(*m_iter) + ")";
+ indent(out) << "if (" + generate_isset_check(*m_iter) + ")" << endl;
+ indent_up();
}
- indent(out) << "boolean present_" << name << " = " << present << ";"
<< endl;
- indent(out) << "list.add(present_" << name << ");" << endl;
- indent(out) << "if (present_" << name << ")" << endl;
if (t->is_enum()) {
- indent(out) << " list.add(" << name << ".getValue());" << endl;
+ indent(out) << "hashCode = hashCode * " << MUL << " + " << name <<
".getValue();" << endl;
+ } else if (t->is_base_type()) {
+ switch(((t_base_type*)t)->get_base()) {
+ case t_base_type::TYPE_VOID:
+ break;
+ case t_base_type::TYPE_STRING:
+ indent(out) << "hashCode = hashCode * " << MUL << " + " << name
<< ".hashCode();" << endl;
+ break;
+ case t_base_type::TYPE_BOOL:
+ indent(out) << "hashCode = hashCode * " << MUL << " + ((" <<
name << ") ? "
+ << B_YES << " : " << B_NO << ");" << endl;
+ break;
+ case t_base_type::TYPE_I8:
+ indent(out) << "hashCode = hashCode * " << MUL << " + (int) ("
<< name << ");" << endl;
+ break;
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ indent(out) << "hashCode = hashCode * " << MUL << " + " << name
<< ";" << endl;
+ break;
+ case t_base_type::TYPE_I64:
+ indent(out) << "hashCode = hashCode * " << MUL << " +
org.apache.thrift.TBaseHelper.hashCode(" << name << ");" << endl;
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ indent(out) << "hashCode = hashCode * " << MUL << " +
org.apache.thrift.TBaseHelper.hashCode(" << name << ");" << endl;
+ break;
+ default:
+ throw "compiler error: the following base type has no hashcode
generator: " +
+ t_base_type::t_base_name(((t_base_type*)t)->get_base());
--- End diff --
We can take this opportunity to stop throwing string here.
As I believe it should never happen (right ?), std::logic_error would be
appropriate.
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