VPP-413 DTOs generated by JVpp improvements:
- hashCode & equals
- toString
Change-Id: I5f8bc8868c216862a307dcc8f6b423f0ce29e7b5
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
diff --git a/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py b/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
index 785e47e..0f74a1d 100644
--- a/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
+++ b/vpp-api/java/jvpp/gen/jvppgen/dto_gen.py
@@ -40,7 +40,7 @@
send_template = Template(""" @Override
public int send(final $base_package.JVpp jvpp) throws org.openvpp.jvpp.VppInvocationException {
return (($plugin_package.JVpp${plugin_name})jvpp).$method_name($args);
- }\n""")
+ }""")
def generate_dtos(func_list, base_package, plugin_package, plugin_name, dto_package, inputfile):
@@ -58,15 +58,8 @@
if util.is_ignored(func['name']) or util.is_control_ping(camel_case_dto_name):
continue
- fields = ""
- for t in zip(func['types'], func['args']):
- # for retval don't generate dto field in Reply
- field_name = util.underscore_to_camelcase(t[1])
- if util.is_reply(camel_case_dto_name) and util.is_retval_field(field_name):
- continue
- fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
- name=field_name)
- methods = ""
+ fields = generate_dto_fields(camel_case_dto_name, func)
+ methods = generate_dto_base_methods(camel_case_dto_name, func)
base_type = ""
# Generate request/reply or dump/dumpReply even if structure can be used as notification
@@ -77,17 +70,17 @@
if util.is_details(camel_case_dto_name):
# FIXME assumption that dump calls end with "Dump" suffix. Not enforced in vpe.api
base_type += "JVppReply<%s.%s.%s>" % (plugin_package, dto_package, request_dto_name + "Dump")
- generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_package, camel_case_dto_name,
- camel_case_method_name, func)
+ generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_package,
+ camel_case_dto_name, camel_case_method_name, func)
else:
base_type += "JVppReply<%s.%s.%s>" % (plugin_package, dto_package, request_dto_name)
else:
args = "" if fields is "" else "this"
- methods = send_template.substitute(method_name=camel_case_method_name,
- base_package=base_package,
- plugin_package=plugin_package,
- plugin_name=plugin_name,
- args=args)
+ methods += send_template.substitute(method_name=camel_case_method_name,
+ base_package=base_package,
+ plugin_package=plugin_package,
+ plugin_name=plugin_name,
+ args=args)
if util.is_dump(camel_case_dto_name):
base_type += "JVppDump"
description = "dump request DTO"
@@ -95,24 +88,143 @@
base_type += "JVppRequest"
description = "request DTO"
- write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package, dto_path, fields, func,
- inputfile, methods)
+ write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package,
+ dto_path, fields, func, inputfile, methods)
# for structures that are also used as notifications, generate dedicated notification DTO
if util.is_notification(func["name"]):
base_type = "JVppNotification"
description = "notification DTO"
camel_case_dto_name = util.add_notification_suffix(camel_case_dto_name)
- methods = ""
dto_path = os.path.join(dto_package, camel_case_dto_name + ".java")
- write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package, dto_path, fields, func,
- inputfile, methods)
+ methods = generate_dto_base_methods(camel_case_dto_name, func)
+ write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package,
+ dto_path, fields, func, inputfile, methods)
flush_dump_reply_dtos(inputfile)
-def write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package, dto_path, fields, func,
- inputfile, methods):
+def generate_dto_base_methods(camel_case_dto_name, func):
+ methods = generate_dto_hash(func)
+ methods += generate_dto_equals(camel_case_dto_name, func)
+ methods += generate_dto_tostring(camel_case_dto_name, func)
+ return methods
+
+
+def generate_dto_fields(camel_case_dto_name, func):
+ fields = ""
+ for t in zip(func['types'], func['args']):
+ # for retval don't generate dto field in Reply
+ field_name = util.underscore_to_camelcase(t[1])
+ if util.is_reply(camel_case_dto_name) and util.is_retval_field(field_name):
+ continue
+ fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
+ name=field_name)
+ return fields
+
+
+tostring_field_template = Template(""" \"$field_name=\" + $field_name + ", " +\n""")
+tostring_array_field_template = Template(""" \"$field_name=\" + java.util.Arrays.toString($field_name) + ", " +\n""")
+tostring_template = Template(""" @Override
+ public String toString() {
+ return "$cls_name{" +
+$fields_tostring "}";
+ }\n\n""")
+
+
+def generate_dto_tostring(camel_case_dto_name, func):
+ tostring_fields = ""
+ for t in zip(func['types'], func['args']):
+
+ field_name = util.underscore_to_camelcase(t[1])
+ # for retval don't generate dto field in Reply
+ if util.is_retval_field(field_name):
+ continue
+
+ # handle array types
+ if util.is_array(util.jni_2_java_type_mapping[t[0]]):
+ tostring_fields += tostring_array_field_template.substitute(field_name=field_name)
+ else:
+ tostring_fields += tostring_field_template.substitute(field_name=field_name)
+
+ return tostring_template.substitute(cls_name=camel_case_dto_name,
+ fields_tostring=tostring_fields[:-8])
+
+
+equals_field_template = Template(""" if (!java.util.Objects.equals(this.$field_name, other.$field_name)) {
+ return false;
+ }\n""")
+equals_array_field_template = Template(""" if (!java.util.Arrays.equals(this.$field_name, other.$field_name)) {
+ return false;
+ }\n""")
+equals_template = Template(""" @Override
+ public boolean equals(final Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ final $cls_name other = ($cls_name) o;
+
+$comparisons
+ return true;
+ }\n\n""")
+
+
+def generate_dto_equals(camel_case_dto_name, func):
+ equals_fields = ""
+ for t in zip(func['types'], func['args']):
+ field_name = util.underscore_to_camelcase(t[1])
+ # for retval don't generate dto field in Reply
+ if util.is_retval_field(field_name):
+ continue
+
+ # handle array types
+ if util.is_array(util.jni_2_java_type_mapping[t[0]]):
+ equals_fields += equals_array_field_template.substitute(field_name=field_name)
+ else:
+ equals_fields += equals_field_template.substitute(field_name=field_name)
+
+ return equals_template.substitute(cls_name=camel_case_dto_name,
+ comparisons=equals_fields)
+
+
+hash_template = Template(""" @Override
+ public int hashCode() {
+ return java.util.Objects.hash($fields);
+ }\n\n""")
+hash_single_array_type_template = Template(""" @Override
+ public int hashCode() {
+ return java.util.Arrays.hashCode($fields);
+ }\n\n""")
+
+
+def generate_dto_hash(func):
+ hash_fields = ""
+
+ # Special handling for hashCode in case just a single array field is present. Cannot use Objects.equals since the
+ # array is mistaken for a varargs parameter. Instead use Arrays.hashCode in such case.
+ if len(func['args']) == 1:
+ single_type = func['types'][0]
+ single_type_name = func['args'][0]
+ if util.is_array(util.jni_2_java_type_mapping[single_type]):
+ return hash_single_array_type_template.substitute(fields=util.underscore_to_camelcase(single_type_name))
+
+ for t in zip(func['types'], func['args']):
+ field_name = util.underscore_to_camelcase(t[1])
+ # for retval don't generate dto field in Reply
+ if util.is_retval_field(field_name):
+ continue
+
+ hash_fields += field_name + ", "
+
+ return hash_template.substitute(fields=hash_fields[:-2])
+
+
+def write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package, dto_path,
+ fields, func, inputfile, methods):
dto_file = open(dto_path, 'w')
dto_file.write(dto_template.substitute(inputfile=inputfile,
description=description,
@@ -131,6 +243,7 @@
dump_dto_suffix = "ReplyDump"
dump_reply_artificial_dtos = {}
+
# Returns request name or special one from unconventional_naming_rep_req map
def get_request_name(camel_case_dto_name, func_name):
return util.underscore_to_camelcase_upper(
@@ -157,26 +270,38 @@
dto_file.close()
-def generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_package, camel_case_dto_name, camel_case_method_name,
- func):
+def generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_package, camel_case_dto_name,
+ camel_case_method_name, func):
base_type = "JVppReplyDump<%s.%s.%s, %s.%s.%s>" % (
plugin_package, dto_package, util.remove_reply_suffix(camel_case_dto_name) + "Dump",
plugin_package, dto_package, camel_case_dto_name)
fields = " public java.util.List<%s> %s = new java.util.ArrayList<>();" % (camel_case_dto_name, camel_case_method_name)
cls_name = camel_case_dto_name + dump_dto_suffix
+ # using artificial type for fields, just to bypass the is_array check in base methods generators
+ # the type is not really used
+ artificial_type = 'jstring'
# In case of already existing artificial reply dump DTO, just update it
# Used for sub-dump dtos
if request_dto_name in dump_reply_artificial_dtos.keys():
- dump_reply_artificial_dtos[request_dto_name]['fields'] = \
- dump_reply_artificial_dtos[request_dto_name]['fields'] + '\n' + fields
+ dump_reply_artificial_dtos[request_dto_name]['fields'] += '\n' + fields
+ dump_reply_artificial_dtos[request_dto_name]['field_names'].append(func['name'])
+ dump_reply_artificial_dtos[request_dto_name]['field_types'].append(artificial_type)
+ methods = '\n' + generate_dto_base_methods(dump_reply_artificial_dtos[request_dto_name]['cls_name'],
+ {'args': dump_reply_artificial_dtos[request_dto_name]['field_names'],
+ 'types': dump_reply_artificial_dtos[request_dto_name]['field_types']})
+ dump_reply_artificial_dtos[request_dto_name]['methods'] = methods
else:
+ methods = '\n' + generate_dto_base_methods(cls_name, {'args': [func['name']],
+ 'types': [artificial_type]})
dump_reply_artificial_dtos[request_dto_name] = ({'docs': util.api_message_to_javadoc(func),
'cls_name': cls_name,
'fields': fields,
- 'methods': "",
+ 'field_names': [func['name']],
+ 'field_types': [artificial_type],
+ # strip too many newlines at the end of base method block
+ 'methods': methods,
'plugin_package': plugin_package,
'base_package': base_package,
'base_type': base_type,
- 'dto_package': dto_package,
- })
+ 'dto_package': dto_package})