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Posted to commits@hawq.apache.org by rl...@apache.org on 2016/05/18 02:50:45 UTC

[32/51] [abbrv] [partial] incubator-hawq git commit: HAWQ-735. Import thrift-0.9.3 into depends/thirdparty/thrift folder

http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/d709f67d/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc
----------------------------------------------------------------------
diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc
new file mode 100644
index 0000000..c4cbc45
--- /dev/null
+++ b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc
@@ -0,0 +1,5146 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <cassert>
+#include <ctime>
+
+#include <sstream>
+#include <string>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <vector>
+#include <cctype>
+
+#include <sys/stat.h>
+#include <stdexcept>
+
+#include "platform.h"
+#include "t_oop_generator.h"
+
+using std::map;
+using std::ofstream;
+using std::ostringstream;
+using std::setfill;
+using std::setw;
+using std::string;
+using std::stringstream;
+using std::vector;
+
+static const string endl = "\n"; // avoid ostream << std::endl flushes
+
+/**
+ * Java code generator.
+ *
+ */
+class t_java_generator : public t_oop_generator {
+public:
+  t_java_generator(t_program* program,
+                   const std::map<std::string, std::string>& parsed_options,
+                   const std::string& option_string)
+    : t_oop_generator(program) {
+    (void)option_string;
+    std::map<std::string, std::string>::const_iterator iter;
+
+    iter = parsed_options.find("beans");
+    bean_style_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("android");
+    android_style_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("private-members");
+    private_members_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("nocamel");
+    nocamel_style_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("fullcamel");
+    fullcamel_style_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("android_legacy");
+    android_legacy_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("sorted_containers");
+    sorted_containers_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("java5");
+    java5_ = (iter != parsed_options.end());
+    if (java5_) {
+      android_legacy_ = true;
+    }
+
+    iter = parsed_options.find("reuse-objects");
+    reuse_objects_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("option_type");
+    use_option_type_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("generated_annotations");
+    if (iter != parsed_options.end()) {
+      undated_generated_annotations_  = (iter->second.compare("undated") == 0);
+      suppress_generated_annotations_ = (iter->second.compare("suppress") == 0);
+    } else {
+      undated_generated_annotations_  = false;
+      suppress_generated_annotations_ = false;
+    }
+
+    out_dir_base_ = (bean_style_ ? "gen-javabean" : "gen-java");
+  }
+
+  /**
+   * Init and close methods
+   */
+
+  void init_generator();
+  void close_generator();
+
+  void generate_consts(std::vector<t_const*> consts);
+
+  /**
+   * Program-level generation functions
+   */
+
+  void generate_typedef(t_typedef* ttypedef);
+  void generate_enum(t_enum* tenum);
+  void generate_struct(t_struct* tstruct);
+  void generate_union(t_struct* tunion);
+  void generate_xception(t_struct* txception);
+  void generate_service(t_service* tservice);
+
+  void print_const_value(std::ofstream& out,
+                         std::string name,
+                         t_type* type,
+                         t_const_value* value,
+                         bool in_static,
+                         bool defval = false);
+  std::string render_const_value(std::ofstream& out, t_type* type, t_const_value* value);
+
+  /**
+   * Service-level generation functions
+   */
+
+  void generate_java_struct(t_struct* tstruct, bool is_exception);
+
+  void generate_java_struct_definition(std::ofstream& out,
+                                       t_struct* tstruct,
+                                       bool is_xception = false,
+                                       bool in_class = false,
+                                       bool is_result = false);
+  void generate_java_struct_parcelable(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_equality(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_compare_to(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_reader(std::ofstream& out, t_struct* tstruct);
+  void generate_java_validator(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_result_writer(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_writer(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_tostring(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_clear(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_write_object(std::ofstream& out, t_struct* tstruct);
+  void generate_java_struct_read_object(std::ofstream& out, t_struct* tstruct);
+  void generate_java_meta_data_map(std::ofstream& out, t_struct* tstruct);
+  void generate_field_value_meta_data(std::ofstream& out, t_type* type);
+  std::string get_java_type_string(t_type* type);
+  void generate_java_struct_field_by_id(ofstream& out, t_struct* tstruct);
+  void generate_reflection_setters(std::ostringstream& out,
+                                   t_type* type,
+                                   std::string field_name,
+                                   std::string cap_name);
+  void generate_reflection_getters(std::ostringstream& out,
+                                   t_type* type,
+                                   std::string field_name,
+                                   std::string cap_name);
+  void generate_generic_field_getters_setters(std::ofstream& out, t_struct* tstruct);
+  void generate_generic_isset_method(std::ofstream& out, t_struct* tstruct);
+  void generate_java_bean_boilerplate(std::ofstream& out, t_struct* tstruct);
+
+  void generate_function_helpers(t_function* tfunction);
+  std::string as_camel_case(std::string name, bool ucfirst = true);
+  std::string get_rpc_method_name(std::string name);
+  std::string get_cap_name(std::string name);
+  std::string generate_isset_check(t_field* field);
+  std::string generate_isset_check(std::string field);
+  void generate_isset_set(ofstream& out, t_field* field, std::string prefix);
+  std::string isset_field_id(t_field* field);
+
+  void generate_service_interface(t_service* tservice);
+  void generate_service_async_interface(t_service* tservice);
+  void generate_service_helpers(t_service* tservice);
+  void generate_service_client(t_service* tservice);
+  void generate_service_async_client(t_service* tservice);
+  void generate_service_server(t_service* tservice);
+  void generate_service_async_server(t_service* tservice);
+  void generate_process_function(t_service* tservice, t_function* tfunction);
+  void generate_process_async_function(t_service* tservice, t_function* tfunction);
+
+  void generate_java_union(t_struct* tstruct);
+  void generate_union_constructor(ofstream& out, t_struct* tstruct);
+  void generate_union_getters_and_setters(ofstream& out, t_struct* tstruct);
+  void generate_union_is_set_methods(ofstream& out, t_struct* tstruct);
+  void generate_union_abstract_methods(ofstream& out, t_struct* tstruct);
+  void generate_check_type(ofstream& out, t_struct* tstruct);
+  void generate_standard_scheme_read_value(ofstream& out, t_struct* tstruct);
+  void generate_standard_scheme_write_value(ofstream& out, t_struct* tstruct);
+  void generate_tuple_scheme_read_value(ofstream& out, t_struct* tstruct);
+  void generate_tuple_scheme_write_value(ofstream& out, t_struct* tstruct);
+  void generate_get_field_desc(ofstream& out, t_struct* tstruct);
+  void generate_get_struct_desc(ofstream& out, t_struct* tstruct);
+  void generate_get_field_name(ofstream& out, t_struct* tstruct);
+
+  void generate_union_comparisons(ofstream& out, t_struct* tstruct);
+  void generate_union_hashcode(ofstream& out, t_struct* tstruct);
+
+  void generate_scheme_map(ofstream& out, t_struct* tstruct);
+  void generate_standard_writer(ofstream& out, t_struct* tstruct, bool is_result);
+  void generate_standard_reader(ofstream& out, t_struct* tstruct);
+  void generate_java_struct_standard_scheme(ofstream& out, t_struct* tstruct, bool is_result);
+
+  void generate_java_struct_tuple_scheme(ofstream& out, t_struct* tstruct);
+  void generate_java_struct_tuple_reader(ofstream& out, t_struct* tstruct);
+  void generate_java_struct_tuple_writer(ofstream& out, t_struct* tstruct);
+
+  void generate_javax_generated_annotation(ofstream& out);
+  /**
+   * Serialization constructs
+   */
+
+  void generate_deserialize_field(std::ofstream& out,
+                                  t_field* tfield,
+                                  std::string prefix = "",
+                                  bool has_metadata = true);
+
+  void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+  void generate_deserialize_container(std::ofstream& out,
+                                      t_type* ttype,
+                                      std::string prefix = "",
+                                      bool has_metadata = true);
+
+  void generate_deserialize_set_element(std::ofstream& out,
+                                        t_set* tset,
+                                        std::string prefix = "",
+                                        std::string obj = "",
+                                        bool has_metadata = true);
+
+  void generate_deserialize_map_element(std::ofstream& out,
+                                        t_map* tmap,
+                                        std::string prefix = "",
+                                        std::string obj = "",
+                                        bool has_metadata = true);
+
+  void generate_deserialize_list_element(std::ofstream& out,
+                                         t_list* tlist,
+                                         std::string prefix = "",
+                                         std::string obj = "",
+                                         bool has_metadata = true);
+
+  void generate_serialize_field(std::ofstream& out,
+                                t_field* tfield,
+                                std::string prefix = "",
+                                bool has_metadata = true);
+
+  void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+  void generate_serialize_container(std::ofstream& out,
+                                    t_type* ttype,
+                                    std::string prefix = "",
+                                    bool has_metadata = true);
+
+  void generate_serialize_map_element(std::ofstream& out,
+                                      t_map* tmap,
+                                      std::string iter,
+                                      std::string map,
+                                      bool has_metadata = true);
+
+  void generate_serialize_set_element(std::ofstream& out,
+                                      t_set* tmap,
+                                      std::string iter,
+                                      bool has_metadata = true);
+
+  void generate_serialize_list_element(std::ofstream& out,
+                                       t_list* tlist,
+                                       std::string iter,
+                                       bool has_metadata = true);
+
+  void generate_deep_copy_container(std::ofstream& out,
+                                    std::string source_name_p1,
+                                    std::string source_name_p2,
+                                    std::string result_name,
+                                    t_type* type);
+  void generate_deep_copy_non_container(std::ofstream& out,
+                                        std::string source_name,
+                                        std::string dest_name,
+                                        t_type* type);
+
+  enum isset_type { ISSET_NONE, ISSET_PRIMITIVE, ISSET_BITSET };
+  isset_type needs_isset(t_struct* tstruct, std::string* outPrimitiveType = NULL);
+
+  /**
+   * Helper rendering functions
+   */
+
+  std::string java_package();
+  std::string java_type_imports();
+  std::string java_suppressions();
+  std::string type_name(t_type* ttype,
+                        bool in_container = false,
+                        bool in_init = false,
+                        bool skip_generic = false,
+                        bool force_namespace = false);
+  std::string base_type_name(t_base_type* tbase, bool in_container = false);
+  std::string declare_field(t_field* tfield, bool init = false, bool comment = false);
+  std::string function_signature(t_function* tfunction, std::string prefix = "");
+  std::string function_signature_async(t_function* tfunction,
+                                       bool use_base_method = false,
+                                       std::string prefix = "");
+  std::string argument_list(t_struct* tstruct, bool include_types = true);
+  std::string async_function_call_arglist(t_function* tfunc,
+                                          bool use_base_method = true,
+                                          bool include_types = true);
+  std::string async_argument_list(t_function* tfunct,
+                                  t_struct* tstruct,
+                                  t_type* ttype,
+                                  bool include_types = false);
+  std::string type_to_enum(t_type* ttype);
+  void generate_struct_desc(ofstream& out, t_struct* tstruct);
+  void generate_field_descs(ofstream& out, t_struct* tstruct);
+  void generate_field_name_constants(ofstream& out, t_struct* tstruct);
+
+  std::string make_valid_java_filename(std::string const& fromName);
+  std::string make_valid_java_identifier(std::string const& fromName);
+
+  bool type_can_be_null(t_type* ttype) {
+    ttype = get_true_type(ttype);
+
+    return ttype->is_container() || ttype->is_struct() || ttype->is_xception() || ttype->is_string()
+           || ttype->is_enum();
+  }
+
+  std::string constant_name(std::string name);
+
+private:
+  /**
+   * File streams
+   */
+
+  std::string package_name_;
+  std::ofstream f_service_;
+  std::string package_dir_;
+
+  bool bean_style_;
+  bool android_style_;
+  bool private_members_;
+  bool nocamel_style_;
+  bool fullcamel_style_;
+  bool android_legacy_;
+  bool java5_;
+  bool sorted_containers_;
+  bool reuse_objects_;
+  bool use_option_type_;
+  bool undated_generated_annotations_;
+  bool suppress_generated_annotations_;
+  
+};
+
+/**
+ * Prepares for file generation by opening up the necessary file output
+ * streams.
+ *
+ * @param tprogram The program to generate
+ */
+void t_java_generator::init_generator() {
+  // Make output directory
+  MKDIR(get_out_dir().c_str());
+  package_name_ = program_->get_namespace("java");
+
+  string dir = package_name_;
+  string subdir = get_out_dir();
+  string::size_type loc;
+  while ((loc = dir.find(".")) != string::npos) {
+    subdir = subdir + "/" + dir.substr(0, loc);
+    MKDIR(subdir.c_str());
+    dir = dir.substr(loc + 1);
+  }
+  if (dir.size() > 0) {
+    subdir = subdir + "/" + dir;
+    MKDIR(subdir.c_str());
+  }
+
+  package_dir_ = subdir;
+}
+
+/**
+ * Packages the generated file
+ *
+ * @return String of the package, i.e. "package org.apache.thriftdemo;"
+ */
+string t_java_generator::java_package() {
+  if (!package_name_.empty()) {
+    return string("package ") + package_name_ + ";\n\n";
+  }
+  return "";
+}
+
+/**
+ * Prints standard java imports
+ *
+ * @return List of imports for Java types that are used in here
+ */
+string t_java_generator::java_type_imports() {
+  string hash_builder;
+  string tree_set_and_map;
+  string annotation_generated;
+
+  string option;
+  if (sorted_containers_) {
+    tree_set_and_map = string() + "import java.util.TreeSet;\n" + "import java.util.TreeMap;\n";
+  }
+
+  if (use_option_type_) {
+    option = string() + "import org.apache.thrift.Option;\n";
+  }
+
+  // android does not support @Generated Annotation
+  if (!suppress_generated_annotations_) {
+    annotation_generated = string() + "import javax.annotation.Generated;\n";
+  }
+
+  return string() + hash_builder + "import org.apache.thrift.scheme.IScheme;\n"
+         + "import org.apache.thrift.scheme.SchemeFactory;\n"
+         + "import org.apache.thrift.scheme.StandardScheme;\n\n"
+         + "import org.apache.thrift.scheme.TupleScheme;\n"
+         + "import org.apache.thrift.protocol.TTupleProtocol;\n"
+         + "import org.apache.thrift.protocol.TProtocolException;\n"
+         + "import org.apache.thrift.EncodingUtils;\n"
+         + option
+         + "import org.apache.thrift.TException;\n"
+         + "import org.apache.thrift.async.AsyncMethodCallback;\n"
+         + "import org.apache.thrift.server.AbstractNonblockingServer.*;\n"
+         + "import java.util.List;\n" + "import java.util.ArrayList;\n" + "import java.util.Map;\n"
+         + "import java.util.HashMap;\n" + "import java.util.EnumMap;\n" + "import java.util.Set;\n"
+         + "import java.util.HashSet;\n" + "import java.util.EnumSet;\n" + tree_set_and_map
+         + "import java.util.Collections;\n" + "import java.util.BitSet;\n"
+         + "import java.nio.ByteBuffer;\n"
+         + "import java.util.Arrays;\n" + annotation_generated
+         + "import org.slf4j.Logger;\n" + "import org.slf4j.LoggerFactory;\n\n";
+}
+
+string t_java_generator::java_suppressions() {
+  return "@SuppressWarnings({\"cast\", \"rawtypes\", \"serial\", \"unchecked\"})\n";
+}
+
+/**
+ * Nothing in Java
+ */
+void t_java_generator::close_generator() {
+}
+
+/**
+ * Generates a typedef. This is not done in Java, since it does
+ * not support arbitrary name replacements, and it'd be a wacky waste
+ * of overhead to make wrapper classes.
+ *
+ * @param ttypedef The type definition
+ */
+void t_java_generator::generate_typedef(t_typedef* ttypedef) {
+  (void)ttypedef;
+}
+
+/**
+ * Enums are a class with a set of static constants.
+ *
+ * @param tenum The enumeration
+ */
+void t_java_generator::generate_enum(t_enum* tenum) {
+  // Make output file
+  string f_enum_name = package_dir_ + "/" + make_valid_java_filename(tenum->get_name()) + ".java";
+  ofstream f_enum;
+  f_enum.open(f_enum_name.c_str());
+
+  // Comment and package it
+  f_enum << autogen_comment() << java_package() << endl;
+
+  // Add java imports
+  f_enum << string() + "import java.util.Map;\n" + "import java.util.HashMap;\n"
+            + "import org.apache.thrift.TEnum;" << endl << endl;
+
+  generate_java_doc(f_enum, tenum);
+  indent(f_enum) << "public enum " << tenum->get_name() << " implements org.apache.thrift.TEnum ";
+  scope_up(f_enum);
+
+  vector<t_enum_value*> constants = tenum->get_constants();
+  vector<t_enum_value*>::iterator c_iter;
+  bool first = true;
+  for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+    int value = (*c_iter)->get_value();
+
+    if (first) {
+      first = false;
+    } else {
+      f_enum << "," << endl;
+    }
+
+    generate_java_doc(f_enum, *c_iter);
+    indent(f_enum) << (*c_iter)->get_name() << "(" << value << ")";
+  }
+  f_enum << ";" << endl << endl;
+
+  // Field for thriftCode
+  indent(f_enum) << "private final int value;" << endl << endl;
+
+  indent(f_enum) << "private " << tenum->get_name() << "(int value) {" << endl;
+  indent(f_enum) << "  this.value = value;" << endl;
+  indent(f_enum) << "}" << endl << endl;
+
+  indent(f_enum) << "/**" << endl;
+  indent(f_enum) << " * Get the integer value of this enum value, as defined in the Thrift IDL."
+                 << endl;
+  indent(f_enum) << " */" << endl;
+  indent(f_enum) << "public int getValue() {" << endl;
+  indent(f_enum) << "  return value;" << endl;
+  indent(f_enum) << "}" << endl << endl;
+
+  indent(f_enum) << "/**" << endl;
+  indent(f_enum) << " * Find a the enum type by its integer value, as defined in the Thrift IDL."
+                 << endl;
+  indent(f_enum) << " * @return null if the value is not found." << endl;
+  indent(f_enum) << " */" << endl;
+  indent(f_enum) << "public static " + tenum->get_name() + " findByValue(int value) { " << endl;
+
+  indent_up();
+
+  indent(f_enum) << "switch (value) {" << endl;
+  indent_up();
+
+  for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+    int value = (*c_iter)->get_value();
+    indent(f_enum) << "case " << value << ":" << endl;
+    indent(f_enum) << "  return " << (*c_iter)->get_name() << ";" << endl;
+  }
+
+  indent(f_enum) << "default:" << endl;
+  indent(f_enum) << "  return null;" << endl;
+
+  indent_down();
+
+  indent(f_enum) << "}" << endl;
+
+  indent_down();
+
+  indent(f_enum) << "}" << endl;
+
+  scope_down(f_enum);
+
+  f_enum.close();
+}
+
+/**
+ * Generates a class that holds all the constants.
+ */
+void t_java_generator::generate_consts(std::vector<t_const*> consts) {
+  if (consts.empty()) {
+    return;
+  }
+
+  string f_consts_name = package_dir_ + '/' + make_valid_java_filename(program_name_)
+                         + "Constants.java";
+  ofstream f_consts;
+  f_consts.open(f_consts_name.c_str());
+
+  // Print header
+  f_consts << autogen_comment() << java_package() << java_type_imports() << java_suppressions();
+
+  f_consts << "public class " << make_valid_java_identifier(program_name_) << "Constants {" << endl
+           << endl;
+  indent_up();
+  vector<t_const*>::iterator c_iter;
+  for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) {
+    generate_java_doc(f_consts, (*c_iter));
+    print_const_value(f_consts,
+                      (*c_iter)->get_name(),
+                      (*c_iter)->get_type(),
+                      (*c_iter)->get_value(),
+                      false);
+  }
+  indent_down();
+  indent(f_consts) << "}" << endl;
+  f_consts.close();
+}
+
+/**
+ * Prints the value of a constant with the given type. Note that type checking
+ * is NOT performed in this function as it is always run beforehand using the
+ * validate_types method in main.cc
+ */
+void t_java_generator::print_const_value(std::ofstream& out,
+                                         string name,
+                                         t_type* type,
+                                         t_const_value* value,
+                                         bool in_static,
+                                         bool defval) {
+  type = get_true_type(type);
+
+  indent(out);
+  if (!defval) {
+    out << (in_static ? "" : "public static final ") << type_name(type) << " ";
+  }
+  if (type->is_base_type()) {
+    string v2 = render_const_value(out, type, value);
+    out << name << " = " << v2 << ";" << endl << endl;
+  } else if (type->is_enum()) {
+    out << name << " = " << render_const_value(out, type, value) << ";" << endl << endl;
+  } else if (type->is_struct() || type->is_xception()) {
+    const vector<t_field*>& fields = ((t_struct*)type)->get_members();
+    vector<t_field*>::const_iterator f_iter;
+    const map<t_const_value*, t_const_value*>& val = value->get_map();
+    map<t_const_value*, t_const_value*>::const_iterator v_iter;
+    out << name << " = new " << type_name(type, false, true) << "();" << endl;
+    if (!in_static) {
+      indent(out) << "static {" << endl;
+      indent_up();
+    }
+    for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+      t_type* field_type = NULL;
+      for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+        if ((*f_iter)->get_name() == v_iter->first->get_string()) {
+          field_type = (*f_iter)->get_type();
+        }
+      }
+      if (field_type == NULL) {
+        throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
+      }
+      string val = render_const_value(out, field_type, v_iter->second);
+      indent(out) << name << ".";
+      std::string cap_name = get_cap_name(v_iter->first->get_string());
+      out << "set" << cap_name << "(" << val << ");" << endl;
+    }
+    if (!in_static) {
+      indent_down();
+      indent(out) << "}" << endl;
+    }
+    out << endl;
+  } else if (type->is_map()) {
+    out << name << " = new " << type_name(type, false, true) << "();" << endl;
+    if (!in_static) {
+      indent(out) << "static {" << endl;
+      indent_up();
+    }
+    t_type* ktype = ((t_map*)type)->get_key_type();
+    t_type* vtype = ((t_map*)type)->get_val_type();
+    const map<t_const_value*, t_const_value*>& val = value->get_map();
+    map<t_const_value*, t_const_value*>::const_iterator v_iter;
+    for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+      string key = render_const_value(out, ktype, v_iter->first);
+      string val = render_const_value(out, vtype, v_iter->second);
+      indent(out) << name << ".put(" << key << ", " << val << ");" << endl;
+    }
+    if (!in_static) {
+      indent_down();
+      indent(out) << "}" << endl;
+    }
+    out << endl;
+  } else if (type->is_list() || type->is_set()) {
+    out << name << " = new " << type_name(type, false, true) << "();" << endl;
+    if (!in_static) {
+      indent(out) << "static {" << endl;
+      indent_up();
+    }
+    t_type* etype;
+    if (type->is_list()) {
+      etype = ((t_list*)type)->get_elem_type();
+    } else {
+      etype = ((t_set*)type)->get_elem_type();
+    }
+    const vector<t_const_value*>& val = value->get_list();
+    vector<t_const_value*>::const_iterator v_iter;
+    for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+      string val = render_const_value(out, etype, *v_iter);
+      indent(out) << name << ".add(" << val << ");" << endl;
+    }
+    if (!in_static) {
+      indent_down();
+      indent(out) << "}" << endl;
+    }
+    out << endl;
+  } else {
+    throw "compiler error: no const of type " + type->get_name();
+  }
+}
+
+string t_java_generator::render_const_value(ofstream& out, t_type* type, t_const_value* value) {
+  type = get_true_type(type);
+  std::ostringstream render;
+
+  if (type->is_base_type()) {
+    t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+    switch (tbase) {
+    case t_base_type::TYPE_STRING:
+      render << '"' << get_escaped_string(value) << '"';
+      break;
+    case t_base_type::TYPE_BOOL:
+      render << ((value->get_integer() > 0) ? "true" : "false");
+      break;
+    case t_base_type::TYPE_BYTE:
+      render << "(byte)" << value->get_integer();
+      break;
+    case t_base_type::TYPE_I16:
+      render << "(short)" << value->get_integer();
+      break;
+    case t_base_type::TYPE_I32:
+      render << value->get_integer();
+      break;
+    case t_base_type::TYPE_I64:
+      render << value->get_integer() << "L";
+      break;
+    case t_base_type::TYPE_DOUBLE:
+      if (value->get_type() == t_const_value::CV_INTEGER) {
+        render << "(double)" << value->get_integer();
+      } else {
+        render << value->get_double();
+      }
+      break;
+    default:
+      throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase);
+    }
+  } else if (type->is_enum()) {
+    std::string namespace_prefix = type->get_program()->get_namespace("java");
+    if (namespace_prefix.length() > 0) {
+      namespace_prefix += ".";
+    }
+    render << namespace_prefix << value->get_identifier_with_parent();
+  } else {
+    string t = tmp("tmp");
+    print_const_value(out, t, type, value, true);
+    render << t;
+  }
+
+  return render.str();
+}
+
+/**
+ * Generates a struct definition for a thrift data type. This will be a org.apache.thrift.TBase
+ * implementor.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_struct(t_struct* tstruct) {
+  if (tstruct->is_union()) {
+    generate_java_union(tstruct);
+  } else {
+    generate_java_struct(tstruct, false);
+  }
+}
+
+/**
+ * Exceptions are structs, but they inherit from Exception
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_xception(t_struct* txception) {
+  generate_java_struct(txception, true);
+}
+
+/**
+ * Java struct definition.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_struct(t_struct* tstruct, bool is_exception) {
+  // Make output file
+  string f_struct_name = package_dir_ + "/" + make_valid_java_filename(tstruct->get_name())
+                         + ".java";
+  ofstream f_struct;
+  f_struct.open(f_struct_name.c_str());
+
+  f_struct << autogen_comment() << java_package() << java_type_imports() << java_suppressions();
+
+  generate_java_struct_definition(f_struct, tstruct, is_exception);
+  f_struct.close();
+}
+
+/**
+ * Java union definition.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_union(t_struct* tstruct) {
+  // Make output file
+  string f_struct_name = package_dir_ + "/" + make_valid_java_filename(tstruct->get_name())
+                         + ".java";
+  ofstream f_struct;
+  f_struct.open(f_struct_name.c_str());
+
+  f_struct << autogen_comment() << java_package() << java_type_imports() << java_suppressions();
+
+  generate_java_doc(f_struct, tstruct);
+
+  bool is_final = (tstruct->annotations_.find("final") != tstruct->annotations_.end());
+
+  indent(f_struct) << "public " << (is_final ? "final " : "") << "class " << tstruct->get_name()
+                   << " extends org.apache.thrift.TUnion<" << tstruct->get_name() << ", "
+                   << tstruct->get_name() << "._Fields> ";
+
+  scope_up(f_struct);
+
+  generate_struct_desc(f_struct, tstruct);
+  generate_field_descs(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_field_name_constants(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_java_meta_data_map(f_struct, tstruct);
+
+  generate_union_constructor(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_union_abstract_methods(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_java_struct_field_by_id(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_union_getters_and_setters(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_union_is_set_methods(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_union_comparisons(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_union_hashcode(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_java_struct_write_object(f_struct, tstruct);
+
+  f_struct << endl;
+
+  generate_java_struct_read_object(f_struct, tstruct);
+
+  f_struct << endl;
+
+  scope_down(f_struct);
+
+  f_struct.close();
+}
+
+void t_java_generator::generate_union_constructor(ofstream& out, t_struct* tstruct) {
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  indent(out) << "public " << type_name(tstruct) << "() {" << endl;
+  indent_up();
+  bool default_value = false;
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_type* type = get_true_type((*m_iter)->get_type());
+    if ((*m_iter)->get_value() != NULL) {
+      indent(out) << "super(_Fields." << constant_name((*m_iter)->get_name()) << ", "
+                  << render_const_value(out, type, (*m_iter)->get_value()) << ");" << endl;
+      default_value = true;
+      break;
+    }
+  }
+  if (default_value == false) {
+    indent(out) << "super();" << endl;
+  }
+  indent_down();
+  indent(out) << "}" << endl << endl;
+
+  indent(out) << "public " << type_name(tstruct) << "(_Fields setField, Object value) {" << endl;
+  indent(out) << "  super(setField, value);" << endl;
+  indent(out) << "}" << endl << endl;
+
+  indent(out) << "public " << type_name(tstruct) << "(" << type_name(tstruct) << " other) {"
+              << endl;
+  indent(out) << "  super(other);" << endl;
+  indent(out) << "}" << endl;
+
+  indent(out) << "public " << tstruct->get_name() << " deepCopy() {" << endl;
+  indent(out) << "  return new " << tstruct->get_name() << "(this);" << endl;
+  indent(out) << "}" << endl << endl;
+
+  // generate "constructors" for each field
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_type* type = (*m_iter)->get_type();
+    indent(out) << "public static " << type_name(tstruct) << " " << (*m_iter)->get_name() << "("
+                << type_name(type) << " value) {" << endl;
+    indent(out) << "  " << type_name(tstruct) << " x = new " << type_name(tstruct) << "();" << endl;
+    indent(out) << "  x.set" << get_cap_name((*m_iter)->get_name()) << "(value);" << endl;
+    indent(out) << "  return x;" << endl;
+    indent(out) << "}" << endl << endl;
+
+    if (type->is_base_type() && ((t_base_type*)type)->is_binary()) {
+      indent(out) << "public static " << type_name(tstruct) << " " << (*m_iter)->get_name()
+                  << "(byte[] value) {" << endl;
+      indent(out) << "  " << type_name(tstruct) << " x = new " << type_name(tstruct) << "();"
+                  << endl;
+      indent(out) << "  x.set" << get_cap_name((*m_iter)->get_name())
+                  << "(ByteBuffer.wrap(Arrays.copyOf(value, value.length)));" << endl;
+      indent(out) << "  return x;" << endl;
+      indent(out) << "}" << endl << endl;
+    }
+  }
+}
+
+void t_java_generator::generate_union_getters_and_setters(ofstream& out, t_struct* tstruct) {
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  bool first = true;
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    if (first) {
+      first = false;
+    } else {
+      out << endl;
+    }
+
+    t_field* field = (*m_iter);
+    t_type* type = field->get_type();
+    std::string cap_name = get_cap_name(field->get_name());
+
+    generate_java_doc(out, field);
+    if (type->is_base_type() && ((t_base_type*)type)->is_binary()) {
+      indent(out) << "public byte[] get" << cap_name << "() {" << endl;
+      indent(out) << "  set" << cap_name << "(org.apache.thrift.TBaseHelper.rightSize(buffer"
+                  << get_cap_name("for") << cap_name << "()));" << endl;
+      indent(out) << "  ByteBuffer b = buffer" << get_cap_name("for") << cap_name << "();" << endl;
+      indent(out) << "  return b == null ? null : b.array();" << endl;
+      indent(out) << "}" << endl;
+
+      out << endl;
+
+      indent(out) << "public ByteBuffer buffer" << get_cap_name("for")
+                  << get_cap_name(field->get_name()) << "() {" << endl;
+      indent(out) << "  if (getSetField() == _Fields." << constant_name(field->get_name()) << ") {"
+                  << endl;
+      indent(out)
+          << "    return org.apache.thrift.TBaseHelper.copyBinary((ByteBuffer)getFieldValue());"
+          << endl;
+      indent(out) << "  } else {" << endl;
+      indent(out) << "    throw new RuntimeException(\"Cannot get field '" << field->get_name()
+                  << "' because union is currently set to \" + getFieldDesc(getSetField()).name);"
+                  << endl;
+      indent(out) << "  }" << endl;
+      indent(out) << "}" << endl;
+    } else {
+      indent(out) << "public " << type_name(field->get_type()) << " get"
+                  << get_cap_name(field->get_name()) << "() {" << endl;
+      indent(out) << "  if (getSetField() == _Fields." << constant_name(field->get_name()) << ") {"
+                  << endl;
+      indent(out) << "    return (" << type_name(field->get_type(), true) << ")getFieldValue();"
+                  << endl;
+      indent(out) << "  } else {" << endl;
+      indent(out) << "    throw new RuntimeException(\"Cannot get field '" << field->get_name()
+                  << "' because union is currently set to \" + getFieldDesc(getSetField()).name);"
+                  << endl;
+      indent(out) << "  }" << endl;
+      indent(out) << "}" << endl;
+    }
+
+    out << endl;
+
+    generate_java_doc(out, field);
+    if (type->is_base_type() && ((t_base_type*)type)->is_binary()) {
+      indent(out) << "public void set" << get_cap_name(field->get_name()) << "(byte[] value) {"
+                  << endl;
+      indent(out) << "  set" << get_cap_name(field->get_name())
+                  << "(ByteBuffer.wrap(Arrays.copyOf(value, value.length)));" << endl;
+      indent(out) << "}" << endl;
+
+      out << endl;
+    }
+    indent(out) << "public void set" << get_cap_name(field->get_name()) << "("
+                << type_name(field->get_type()) << " value) {" << endl;
+    if (type_can_be_null(field->get_type())) {
+      indent(out) << "  if (value == null) throw new NullPointerException();" << endl;
+    }
+    indent(out) << "  setField_ = _Fields." << constant_name(field->get_name()) << ";" << endl;
+    indent(out) << "  value_ = value;" << endl;
+    indent(out) << "}" << endl;
+  }
+}
+
+void t_java_generator::generate_union_is_set_methods(ofstream& out, t_struct* tstruct) {
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  bool first = true;
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    if (first) {
+      first = false;
+    } else {
+      out << endl;
+    }
+
+    std::string field_name = (*m_iter)->get_name();
+
+    indent(out) << "public boolean is" << get_cap_name("set") << get_cap_name(field_name) << "() {"
+                << endl;
+    indent_up();
+    indent(out) << "return setField_ == _Fields." << constant_name(field_name) << ";" << endl;
+    indent_down();
+    indent(out) << "}" << endl << endl;
+  }
+}
+
+void t_java_generator::generate_union_abstract_methods(ofstream& out, t_struct* tstruct) {
+  generate_check_type(out, tstruct);
+  out << endl;
+  generate_standard_scheme_read_value(out, tstruct);
+  out << endl;
+  generate_standard_scheme_write_value(out, tstruct);
+  out << endl;
+  generate_tuple_scheme_read_value(out, tstruct);
+  out << endl;
+  generate_tuple_scheme_write_value(out, tstruct);
+  out << endl;
+  generate_get_field_desc(out, tstruct);
+  out << endl;
+  generate_get_struct_desc(out, tstruct);
+  out << endl;
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected _Fields enumForId(short id) {" << endl;
+  indent(out) << "  return _Fields.findByThriftIdOrThrow(id);" << endl;
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_check_type(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out)
+      << "protected void checkType(_Fields setField, Object value) throws ClassCastException {"
+      << endl;
+  indent_up();
+
+  indent(out) << "switch (setField) {" << endl;
+  indent_up();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent(out) << "  if (value instanceof " << type_name(field->get_type(), true, false, true)
+                << ") {" << endl;
+    indent(out) << "    break;" << endl;
+    indent(out) << "  }" << endl;
+    indent(out) << "  throw new ClassCastException(\"Was expecting value of type "
+                << type_name(field->get_type(), true, false) << " for field '" << field->get_name()
+                << "', but got \" + value.getClass().getSimpleName());" << endl;
+    // do the real check here
+  }
+
+  indent(out) << "default:" << endl;
+  indent(out) << "  throw new IllegalArgumentException(\"Unknown field id \" + setField);" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_standard_scheme_read_value(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected Object standardSchemeReadValue(org.apache.thrift.protocol.TProtocol "
+                 "iprot, org.apache.thrift.protocol.TField field) throws "
+                 "org.apache.thrift.TException {" << endl;
+
+  indent_up();
+
+  indent(out) << "_Fields setField = _Fields.findByThriftId(field.id);" << endl;
+  indent(out) << "if (setField != null) {" << endl;
+  indent_up();
+  indent(out) << "switch (setField) {" << endl;
+  indent_up();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent_up();
+    indent(out) << "if (field.type == " << constant_name(field->get_name()) << "_FIELD_DESC.type) {"
+                << endl;
+    indent_up();
+    indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << ";"
+                << endl;
+    generate_deserialize_field(out, field, "");
+    indent(out) << "return " << field->get_name() << ";" << endl;
+    indent_down();
+    indent(out) << "} else {" << endl;
+    indent(out) << "  org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);" << endl;
+    indent(out) << "  return null;" << endl;
+    indent(out) << "}" << endl;
+    indent_down();
+  }
+
+  indent(out) << "default:" << endl;
+  indent(out) << "  throw new IllegalStateException(\"setField wasn't null, but didn't match any "
+                 "of the case statements!\");" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+  indent(out) << "} else {" << endl;
+  indent_up();
+  indent(out) << "org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);" << endl;
+  indent(out) << "return null;" << endl;
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_standard_scheme_write_value(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected void standardSchemeWriteValue(org.apache.thrift.protocol.TProtocol "
+                 "oprot) throws org.apache.thrift.TException {" << endl;
+
+  indent_up();
+
+  indent(out) << "switch (setField_) {" << endl;
+  indent_up();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent_up();
+    indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << " = ("
+                << type_name(field->get_type(), true, false) << ")value_;" << endl;
+    generate_serialize_field(out, field, "");
+    indent(out) << "return;" << endl;
+    indent_down();
+  }
+
+  indent(out) << "default:" << endl;
+  indent(out) << "  throw new IllegalStateException(\"Cannot write union with unknown field \" + "
+                 "setField_);" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_tuple_scheme_read_value(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected Object tupleSchemeReadValue(org.apache.thrift.protocol.TProtocol "
+                 "iprot, short fieldID) throws org.apache.thrift.TException {" << endl;
+
+  indent_up();
+
+  indent(out) << "_Fields setField = _Fields.findByThriftId(fieldID);" << endl;
+  indent(out) << "if (setField != null) {" << endl;
+  indent_up();
+  indent(out) << "switch (setField) {" << endl;
+  indent_up();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent_up();
+    indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << ";"
+                << endl;
+    generate_deserialize_field(out, field, "");
+    indent(out) << "return " << field->get_name() << ";" << endl;
+    indent_down();
+  }
+
+  indent(out) << "default:" << endl;
+  indent(out) << "  throw new IllegalStateException(\"setField wasn't null, but didn't match any "
+                 "of the case statements!\");" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+  indent(out) << "} else {" << endl;
+  indent_up();
+  indent(out) << "throw new TProtocolException(\"Couldn't find a field with field id \" + fieldID);"
+              << endl;
+  indent_down();
+  indent(out) << "}" << endl;
+  indent_down();
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_tuple_scheme_write_value(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected void tupleSchemeWriteValue(org.apache.thrift.protocol.TProtocol oprot) "
+                 "throws org.apache.thrift.TException {" << endl;
+
+  indent_up();
+
+  indent(out) << "switch (setField_) {" << endl;
+  indent_up();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent_up();
+    indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << " = ("
+                << type_name(field->get_type(), true, false) << ")value_;" << endl;
+    generate_serialize_field(out, field, "");
+    indent(out) << "return;" << endl;
+    indent_down();
+  }
+
+  indent(out) << "default:" << endl;
+  indent(out) << "  throw new IllegalStateException(\"Cannot write union with unknown field \" + "
+                 "setField_);" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_get_field_desc(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected org.apache.thrift.protocol.TField getFieldDesc(_Fields setField) {"
+              << endl;
+  indent_up();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  indent(out) << "switch (setField) {" << endl;
+  indent_up();
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent(out) << "  return " << constant_name(field->get_name()) << "_FIELD_DESC;" << endl;
+  }
+
+  indent(out) << "default:" << endl;
+  indent(out) << "  throw new IllegalArgumentException(\"Unknown field id \" + setField);" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_get_struct_desc(ofstream& out, t_struct* tstruct) {
+  (void)tstruct;
+  indent(out) << "@Override" << endl;
+  indent(out) << "protected org.apache.thrift.protocol.TStruct getStructDesc() {" << endl;
+  indent(out) << "  return STRUCT_DESC;" << endl;
+  indent(out) << "}" << endl;
+}
+
+void t_java_generator::generate_union_comparisons(ofstream& out, t_struct* tstruct) {
+  // equality
+  indent(out) << "public boolean equals(Object other) {" << endl;
+  indent(out) << "  if (other instanceof " << tstruct->get_name() << ") {" << endl;
+  indent(out) << "    return equals((" << tstruct->get_name() << ")other);" << endl;
+  indent(out) << "  } else {" << endl;
+  indent(out) << "    return false;" << endl;
+  indent(out) << "  }" << endl;
+  indent(out) << "}" << endl;
+
+  out << endl;
+
+  indent(out) << "public boolean equals(" << tstruct->get_name() << " other) {" << endl;
+  indent(out) << "  return other != null && getSetField() == other.getSetField() && "
+                 "getFieldValue().equals(other.getFieldValue());" << endl;
+  indent(out) << "}" << endl;
+  out << endl;
+
+  indent(out) << "@Override" << endl;
+  indent(out) << "public int compareTo(" << type_name(tstruct) << " other) {" << endl;
+  indent(out) << "  int lastComparison = org.apache.thrift.TBaseHelper.compareTo(getSetField(), "
+                 "other.getSetField());" << endl;
+  indent(out) << "  if (lastComparison == 0) {" << endl;
+  indent(out) << "    return org.apache.thrift.TBaseHelper.compareTo(getFieldValue(), "
+                 "other.getFieldValue());" << endl;
+  indent(out) << "  }" << endl;
+  indent(out) << "  return lastComparison;" << endl;
+  indent(out) << "}" << endl;
+  out << endl;
+}
+
+void t_java_generator::generate_union_hashcode(ofstream& out, t_struct* tstruct) {
+  (void)tstruct;
+  indent(out) << "@Override" << endl;
+  indent(out) << "public int hashCode() {" << endl;
+  indent(out) << "  List<Object> list = new ArrayList<Object>();" << endl;
+  indent(out) << "  list.add(this.getClass().getName());" << endl;
+  indent(out) << "  org.apache.thrift.TFieldIdEnum setField = getSetField();" << endl;
+  indent(out) << "  if (setField != null) {" << endl;
+  indent(out) << "    list.add(setField.getThriftFieldId());" << endl;
+  indent(out) << "    Object value = getFieldValue();" << endl;
+  indent(out) << "    if (value instanceof org.apache.thrift.TEnum) {" << endl;
+  indent(out) << "      list.add(((org.apache.thrift.TEnum)getFieldValue()).getValue());" << endl;
+  indent(out) << "    } else {" << endl;
+  indent(out) << "      list.add(value);" << endl;
+  indent(out) << "    }" << endl;
+  indent(out) << "  }" << endl;
+  indent(out) << "  return list.hashCode();" << endl;
+  indent(out) << "}";
+}
+
+/**
+ * Java struct definition. This has various parameters, as it could be
+ * generated standalone or inside another class as a helper. If it
+ * is a helper than it is a static class.
+ *
+ * @param tstruct      The struct definition
+ * @param is_exception Is this an exception?
+ * @param in_class     If inside a class, needs to be static class
+ * @param is_result    If this is a result it needs a different writer
+ */
+void t_java_generator::generate_java_struct_definition(ofstream& out,
+                                                       t_struct* tstruct,
+                                                       bool is_exception,
+                                                       bool in_class,
+                                                       bool is_result) {
+  generate_java_doc(out, tstruct);
+
+  bool is_final = (tstruct->annotations_.find("final") != tstruct->annotations_.end());
+
+  if (!in_class && !suppress_generated_annotations_) {
+    generate_javax_generated_annotation(out);
+  }
+
+  indent(out) << "public " << (is_final ? "final " : "") << (in_class ? "static " : "") << "class "
+              << tstruct->get_name() << " ";
+
+  if (is_exception) {
+    out << "extends TException ";
+  }
+  out << "implements org.apache.thrift.TBase<" << tstruct->get_name() << ", " << tstruct->get_name()
+      << "._Fields>, java.io.Serializable, Cloneable, Comparable<" << tstruct->get_name() << ">";
+
+  if (android_style_) {
+    out << ", android.os.Parcelable";
+  }
+
+  out << " ";
+
+  scope_up(out);
+
+  generate_struct_desc(out, tstruct);
+
+  // Members are public for -java, private for -javabean
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  out << endl;
+
+  generate_field_descs(out, tstruct);
+
+  out << endl;
+
+  generate_scheme_map(out, tstruct);
+
+  out << endl;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    if (bean_style_ || private_members_) {
+      indent(out) << "private ";
+    } else {
+      generate_java_doc(out, *m_iter);
+      indent(out) << "public ";
+    }
+    out << declare_field(*m_iter, false, true) << endl;
+  }
+
+  out << endl;
+
+  if (android_style_) {
+    generate_java_struct_parcelable(out, tstruct);
+  }
+
+  generate_field_name_constants(out, tstruct);
+
+  // isset data
+  if (members.size() > 0) {
+    out << endl;
+
+    indent(out) << "// isset id assignments" << endl;
+
+    int i = 0;
+    int optionals = 0;
+    for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+      if ((*m_iter)->get_req() == t_field::T_OPTIONAL) {
+        optionals++;
+      }
+      if (!type_can_be_null((*m_iter)->get_type())) {
+        indent(out) << "private static final int " << isset_field_id(*m_iter) << " = " << i << ";"
+                    << endl;
+        i++;
+      }
+    }
+
+    std::string primitiveType;
+    switch (needs_isset(tstruct, &primitiveType)) {
+    case ISSET_NONE:
+      break;
+    case ISSET_PRIMITIVE:
+      indent(out) << "private " << primitiveType << " __isset_bitfield = 0;" << endl;
+      break;
+    case ISSET_BITSET:
+      indent(out) << "private BitSet __isset_bit_vector = new BitSet(" << i << ");" << endl;
+      break;
+    }
+
+    if (optionals > 0) {
+      std::string output_string = "private static final _Fields optionals[] = {";
+      for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+        if ((*m_iter)->get_req() == t_field::T_OPTIONAL) {
+          output_string = output_string + "_Fields." + constant_name((*m_iter)->get_name()) + ",";
+        }
+      }
+      indent(out) << output_string.substr(0, output_string.length() - 1) << "};" << endl;
+    }
+  }
+
+  generate_java_meta_data_map(out, tstruct);
+
+  bool all_optional_members = true;
+
+  // Default constructor
+  indent(out) << "public " << tstruct->get_name() << "() {" << endl;
+  indent_up();
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_type* t = get_true_type((*m_iter)->get_type());
+    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() && !all_optional_members) {
+    // Full constructor for all fields
+    indent(out) << "public " << tstruct->get_name() << "(" << endl;
+    indent_up();
+    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;
+    indent_down();
+    indent(out) << "{" << endl;
+    indent_up();
+    indent(out) << "this();" << endl;
+    for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+      if ((*m_iter)->get_req() != t_field::T_OPTIONAL) {
+        t_type* type = get_true_type((*m_iter)->get_type());
+        if (type->is_base_type() && ((t_base_type*)type)->is_binary()) {
+          indent(out) << "this." << (*m_iter)->get_name()
+                      << " = org.apache.thrift.TBaseHelper.copyBinary(" << (*m_iter)->get_name()
+                      << ");" << endl;
+        } else {
+          indent(out) << "this." << (*m_iter)->get_name() << " = " << (*m_iter)->get_name() << ";"
+                      << endl;
+        }
+        generate_isset_set(out, (*m_iter), "");
+      }
+    }
+
+    indent_down();
+    indent(out) << "}" << endl << endl;
+  }
+
+  // copy constructor
+  indent(out) << "/**" << endl;
+  indent(out) << " * Performs a deep copy on <i>other</i>." << endl;
+  indent(out) << " */" << endl;
+  indent(out) << "public " << tstruct->get_name() << "(" << tstruct->get_name() << " other) {"
+              << endl;
+  indent_up();
+
+  switch (needs_isset(tstruct)) {
+  case ISSET_NONE:
+    break;
+  case ISSET_PRIMITIVE:
+    indent(out) << "__isset_bitfield = other.__isset_bitfield;" << endl;
+    break;
+  case ISSET_BITSET:
+    indent(out) << "__isset_bit_vector.clear();" << endl;
+    indent(out) << "__isset_bit_vector.or(other.__isset_bit_vector);" << endl;
+    break;
+  }
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = (*m_iter);
+    std::string field_name = field->get_name();
+    t_type* type = field->get_type();
+    bool can_be_null = type_can_be_null(type);
+
+    if (can_be_null) {
+      indent(out) << "if (other." << generate_isset_check(field) << ") {" << endl;
+      indent_up();
+    }
+
+    if (type->is_container()) {
+      generate_deep_copy_container(out, "other", field_name, "__this__" + field_name, type);
+      indent(out) << "this." << field_name << " = __this__" << field_name << ";" << endl;
+    } else {
+      indent(out) << "this." << field_name << " = ";
+      generate_deep_copy_non_container(out, "other." + field_name, field_name, type);
+      out << ";" << endl;
+    }
+
+    if (can_be_null) {
+      indent_down();
+      indent(out) << "}" << endl;
+    }
+  }
+
+  indent_down();
+  indent(out) << "}" << endl << endl;
+
+  // clone method, so that you can deep copy an object when you don't know its class.
+  indent(out) << "public " << tstruct->get_name() << " deepCopy() {" << endl;
+  indent(out) << "  return new " << tstruct->get_name() << "(this);" << endl;
+  indent(out) << "}" << endl << endl;
+
+  generate_java_struct_clear(out, tstruct);
+
+  generate_java_bean_boilerplate(out, tstruct);
+  generate_generic_field_getters_setters(out, tstruct);
+  generate_generic_isset_method(out, tstruct);
+
+  generate_java_struct_equality(out, tstruct);
+  generate_java_struct_compare_to(out, tstruct);
+  generate_java_struct_field_by_id(out, tstruct);
+
+  generate_java_struct_reader(out, tstruct);
+  if (is_result) {
+    generate_java_struct_result_writer(out, tstruct);
+  } else {
+    generate_java_struct_writer(out, tstruct);
+  }
+  generate_java_struct_tostring(out, tstruct);
+  generate_java_validator(out, tstruct);
+
+  generate_java_struct_write_object(out, tstruct);
+  generate_java_struct_read_object(out, tstruct);
+
+  generate_java_struct_standard_scheme(out, tstruct, is_result);
+  generate_java_struct_tuple_scheme(out, tstruct);
+
+  scope_down(out);
+  out << endl;
+}
+
+/**
+ * generates parcelable interface implementation
+ */
+void t_java_generator::generate_java_struct_parcelable(ofstream& out, t_struct* tstruct) {
+  string tname = tstruct->get_name();
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  out << indent() << "@Override" << endl << indent()
+      << "public void writeToParcel(android.os.Parcel out, int flags) {" << endl;
+  indent_up();
+  string bitsetPrimitiveType = "";
+  switch (needs_isset(tstruct, &bitsetPrimitiveType)) {
+  case ISSET_NONE:
+    break;
+  case ISSET_PRIMITIVE:
+    indent(out) << "//primitive bitfield of type: " << bitsetPrimitiveType << endl;
+    if (bitsetPrimitiveType == "byte") {
+      indent(out) << "out.writeByte(__isset_bitfield);" << endl;
+    } else if (bitsetPrimitiveType == "short") {
+      indent(out) << "out.writeInt(new Short(__isset_bitfield).intValue());" << endl;
+    } else if (bitsetPrimitiveType == "int") {
+      indent(out) << "out.writeInt(__isset_bitfield);" << endl;
+    } else if (bitsetPrimitiveType == "long") {
+      indent(out) << "out.writeLong(__isset_bitfield);" << endl;
+    }
+    out << endl;
+    break;
+  case ISSET_BITSET:
+    indent(out) << "//BitSet" << endl;
+    indent(out) << "out.writeSerializable(__isset_bit_vector);" << endl;
+    out << endl;
+    break;
+  }
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_type* t = get_true_type((*m_iter)->get_type());
+    string name = (*m_iter)->get_name();
+
+    if (t->is_struct()) {
+      indent(out) << "out.writeParcelable(" << name << ", flags);" << endl;
+    } else if (type_name(t) == "float") {
+      indent(out) << "out.writeFloat(" << name << ");" << endl;
+    } else if (t->is_enum()) {
+      indent(out) << "out.writeInt(" << name << ".getValue());" << endl;
+    } else if (t->is_list()) {
+      if (((t_list*)t)->get_elem_type()->get_true_type()->is_struct()) {
+        indent(out) << "out.writeTypedList(" << name << ");" << endl;
+      } else {
+        indent(out) << "out.writeList(" << name << ");" << endl;
+      }
+    } else if (t->is_map()) {
+      indent(out) << "out.writeMap(" << name << ");" << endl;
+    } else if (t->is_base_type()) {
+      if (((t_base_type*)t)->is_binary()) {
+        indent(out) << "out.writeInt(" << name << "!=null ? 1 : 0);" << endl;
+        indent(out) << "if(" << name << " != null) { " << endl;
+        indent_up();
+        indent(out) << "out.writeByteArray(" << name << ".array(), " << name << ".position() + "
+                    << name << ".arrayOffset(), " << name << ".limit() - " << name
+                    << ".position() );" << endl;
+        scope_down(out);
+      } else {
+        switch (((t_base_type*)t)->get_base()) {
+        case t_base_type::TYPE_I16:
+          indent(out) << "out.writeInt(new Short(" << name << ").intValue());" << endl;
+          break;
+        case t_base_type::TYPE_I32:
+          indent(out) << "out.writeInt(" << name << ");" << endl;
+          break;
+        case t_base_type::TYPE_I64:
+          indent(out) << "out.writeLong(" << name << ");" << endl;
+          break;
+        case t_base_type::TYPE_BOOL:
+          indent(out) << "out.writeInt(" << name << " ? 1 : 0);" << endl;
+          break;
+        case t_base_type::TYPE_BYTE:
+          indent(out) << "out.writeByte(" << name << ");" << endl;
+          break;
+        case t_base_type::TYPE_DOUBLE:
+          indent(out) << "out.writeDouble(" << name << ");" << endl;
+          break;
+        case t_base_type::TYPE_STRING:
+          indent(out) << "out.writeString(" << name << ");" << endl;
+          break;
+        case t_base_type::TYPE_VOID:
+          break;
+        }
+      }
+    }
+  }
+  scope_down(out);
+  out << endl;
+
+  out << indent() << "@Override" << endl << indent() << "public int describeContents() {" << endl;
+  indent_up();
+  out << indent() << "return 0;" << endl;
+  scope_down(out);
+  out << endl;
+
+  indent(out) << "public " << tname << "(android.os.Parcel in) {" << endl;
+  indent_up();
+  // read in the required bitfield
+  switch (needs_isset(tstruct, &bitsetPrimitiveType)) {
+  case ISSET_NONE:
+    break;
+  case ISSET_PRIMITIVE:
+    indent(out) << "//primitive bitfield of type: " << bitsetPrimitiveType << endl;
+    if (bitsetPrimitiveType == "byte") {
+      indent(out) << "__isset_bitfield = in.readByte();" << endl;
+    } else if (bitsetPrimitiveType == "short") {
+      indent(out) << "__isset_bitfield = (short) in.readInt();" << endl;
+    } else if (bitsetPrimitiveType == "int") {
+      indent(out) << "__isset_bitfield = in.readInt();" << endl;
+    } else if (bitsetPrimitiveType == "long") {
+      indent(out) << "__isset_bitfield = in.readLong();" << endl;
+    }
+    out << endl;
+    break;
+  case ISSET_BITSET:
+    indent(out) << "//BitSet" << endl;
+    indent(out) << "__isset_bit_vector = (BitSet) in.readSerializable();" << endl;
+    out << endl;
+    break;
+  }
+  // read all the fields
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_type* t = get_true_type((*m_iter)->get_type());
+    string name = (*m_iter)->get_name();
+    string prefix = "this." + name;
+
+    if (t->is_struct()) {
+      indent(out) << prefix << "= in.readParcelable(" << tname << ".class.getClassLoader());"
+                  << endl;
+    } else if (t->is_enum()) {
+      indent(out) << prefix << " = " << type_name(t) << ".findByValue(in.readInt());" << endl;
+    } else if (t->is_list()) {
+      t_list* list = (t_list*)t;
+      indent(out) << prefix << " = new " << type_name(t, false, true) << "();" << endl;
+      if (list->get_elem_type()->get_true_type()->is_struct()) {
+        indent(out) << "in.readTypedList(" << prefix << ", " << type_name(list->get_elem_type())
+                    << ".CREATOR);" << endl;
+      } else {
+        indent(out) << "in.readList(" << prefix << ", " << tname << ".class.getClassLoader());"
+                    << endl;
+      }
+    } else if (t->is_map()) {
+      indent(out) << prefix << " = new " << type_name(t, false, true) << "();" << endl;
+      indent(out) << " in.readMap(" << prefix << ", " << tname << ".class.getClassLoader());"
+                  << endl;
+    } else if (type_name(t) == "float") {
+      indent(out) << prefix << " = in.readFloat();" << endl;
+    } else if (t->is_base_type()) {
+      t_base_type* bt = (t_base_type*)t;
+      if (bt->is_binary()) {
+        indent(out) << "if(in.readInt()==1) {" << endl;
+        indent_up();
+        indent(out) << prefix << " = ByteBuffer.wrap(in.createByteArray());" << endl;
+        scope_down(out);
+      } else {
+        switch (bt->get_base()) {
+        case t_base_type::TYPE_I16:
+          indent(out) << prefix << " = (short) in.readInt();" << endl;
+          break;
+        case t_base_type::TYPE_I32:
+          indent(out) << prefix << " = in.readInt();" << endl;
+          break;
+        case t_base_type::TYPE_I64:
+          indent(out) << prefix << " = in.readLong();" << endl;
+          break;
+        case t_base_type::TYPE_BOOL:
+          indent(out) << prefix << " = (in.readInt()==1);" << endl;
+          break;
+        case t_base_type::TYPE_BYTE:
+          indent(out) << prefix << " = in.readByte();" << endl;
+          break;
+        case t_base_type::TYPE_DOUBLE:
+          indent(out) << prefix << " = in.readDouble();" << endl;
+          break;
+        case t_base_type::TYPE_STRING:
+          indent(out) << prefix << "= in.readString();" << endl;
+          break;
+        case t_base_type::TYPE_VOID:
+          break;
+        }
+      }
+    }
+  }
+
+  scope_down(out);
+  out << endl;
+
+  indent(out) << "public static final android.os.Parcelable.Creator<" << tname
+              << "> CREATOR = new android.os.Parcelable.Creator<" << tname << ">() {" << endl;
+  indent_up();
+
+  indent(out) << "@Override" << endl << indent() << "public " << tname << "[] newArray(int size) {"
+              << endl;
+  indent_up();
+  indent(out) << "return new " << tname << "[size];" << endl;
+  scope_down(out);
+  out << endl;
+
+  indent(out) << "@Override" << endl << indent() << "public " << tname
+              << " createFromParcel(android.os.Parcel in) {" << endl;
+  indent_up();
+  indent(out) << "return new " << tname << "(in);" << endl;
+  scope_down(out);
+
+  indent_down();
+  indent(out) << "};" << endl;
+  out << endl;
+}
+
+/**
+ * Generates equals methods and a hashCode method for a structure.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_struct_equality(ofstream& out, t_struct* tstruct) {
+  out << indent() << "@Override" << endl << indent() << "public boolean equals(Object that) {"
+      << endl;
+  indent_up();
+  out << indent() << "if (that == null)" << endl << indent() << "  return false;" << endl
+      << indent() << "if (that instanceof " << tstruct->get_name() << ")" << endl << indent()
+      << "  return this.equals((" << tstruct->get_name() << ")that);" << endl << indent()
+      << "return false;" << endl;
+  scope_down(out);
+  out << endl;
+
+  out << indent() << "public boolean equals(" << tstruct->get_name() << " that) {" << endl;
+  indent_up();
+  out << indent() << "if (that == null)" << endl << indent() << "  return false;" << endl;
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    out << endl;
+
+    t_type* t = get_true_type((*m_iter)->get_type());
+    // Most existing Thrift code does not use isset or optional/required,
+    // so we treat "default" fields as required.
+    bool is_optional = (*m_iter)->get_req() == t_field::T_OPTIONAL;
+    bool can_be_null = type_can_be_null(t);
+    string name = (*m_iter)->get_name();
+
+    string this_present = "true";
+    string that_present = "true";
+    string unequal;
+
+    if (is_optional || can_be_null) {
+      this_present += " && this." + generate_isset_check(*m_iter);
+      that_present += " && that." + generate_isset_check(*m_iter);
+    }
+
+    out << indent() << "boolean this_present_" << name << " = " << this_present << ";" << endl
+        << indent() << "boolean that_present_" << name << " = " << that_present << ";" << endl
+        << indent() << "if ("
+        << "this_present_" << name << " || that_present_" << name << ") {" << endl;
+    indent_up();
+    out << indent() << "if (!("
+        << "this_present_" << name << " && that_present_" << name << "))" << endl << indent()
+        << "  return false;" << endl;
+
+    if (t->is_base_type() && ((t_base_type*)t)->is_binary()) {
+      unequal = "!this." + name + ".equals(that." + name + ")";
+    } else if (can_be_null) {
+      unequal = "!this." + name + ".equals(that." + name + ")";
+    } else {
+      unequal = "this." + name + " != that." + name;
+    }
+
+    out << indent() << "if (" << unequal << ")" << endl << indent() << "  return false;" << endl;
+
+    scope_down(out);
+  }
+  out << endl;
+  indent(out) << "return true;" << endl;
+  scope_down(out);
+  out << endl;
+
+  out << indent() << "@Override" << endl << indent() << "public int hashCode() {" << endl;
+  indent_up();
+  indent(out) << "List<Object> list = new ArrayList<Object>();" << endl;
+
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    out << endl;
+
+    t_type* t = get_true_type((*m_iter)->get_type());
+    bool is_optional = (*m_iter)->get_req() == t_field::T_OPTIONAL;
+    bool can_be_null = type_can_be_null(t);
+    string name = (*m_iter)->get_name();
+
+    string present = "true";
+
+    if (is_optional || can_be_null) {
+      present += " && (" + generate_isset_check(*m_iter) + ")";
+    }
+
+    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;
+    } else {
+      indent(out) << "  list.add(" << name << ");" << endl;
+    }
+  }
+
+  out << endl;
+  indent(out) << "return list.hashCode();" << endl;
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+void t_java_generator::generate_java_struct_compare_to(ofstream& out, t_struct* tstruct) {
+  indent(out) << "@Override" << endl;
+  indent(out) << "public int compareTo(" << type_name(tstruct) << " other) {" << endl;
+  indent_up();
+
+  indent(out) << "if (!getClass().equals(other.getClass())) {" << endl;
+  indent(out) << "  return getClass().getName().compareTo(other.getClass().getName());" << endl;
+  indent(out) << "}" << endl;
+  out << endl;
+
+  indent(out) << "int lastComparison = 0;" << endl;
+  out << endl;
+
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    t_field* field = *m_iter;
+    indent(out) << "lastComparison = Boolean.valueOf(" << generate_isset_check(field)
+                << ").compareTo(other." << generate_isset_check(field) << ");" << endl;
+    indent(out) << "if (lastComparison != 0) {" << endl;
+    indent(out) << "  return lastComparison;" << endl;
+    indent(out) << "}" << endl;
+
+    indent(out) << "if (" << generate_isset_check(field) << ") {" << endl;
+    indent(out) << "  lastComparison = org.apache.thrift.TBaseHelper.compareTo(this."
+                << field->get_name() << ", other." << field->get_name() << ");" << endl;
+    indent(out) << "  if (lastComparison != 0) {" << endl;
+    indent(out) << "    return lastComparison;" << endl;
+    indent(out) << "  }" << endl;
+    indent(out) << "}" << endl;
+  }
+
+  indent(out) << "return 0;" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+/**
+ * Generates a function to read all the fields of the struct.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_struct_reader(ofstream& out, t_struct* tstruct) {
+  (void)tstruct;
+  indent(out) << "public void read(org.apache.thrift.protocol.TProtocol iprot) throws "
+                 "org.apache.thrift.TException {" << endl;
+  indent_up();
+  indent(out) << "schemes.get(iprot.getScheme()).getScheme().read(iprot, this);" << endl;
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+// generates java method to perform various checks
+// (e.g. check that all required fields are set)
+void t_java_generator::generate_java_validator(ofstream& out, t_struct* tstruct) {
+  indent(out) << "public void validate() throws org.apache.thrift.TException {" << endl;
+  indent_up();
+
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+
+  out << indent() << "// check for required fields" << endl;
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    if ((*f_iter)->get_req() == t_field::T_REQUIRED) {
+      if (bean_style_) {
+        out << indent() << "if (!" << generate_isset_check(*f_iter) << ") {" << endl << indent()
+            << "  throw new org.apache.thrift.protocol.TProtocolException(\"Required field '"
+            << (*f_iter)->get_name() << "' is unset! Struct:\" + toString());" << endl << indent()
+            << "}" << endl << endl;
+      } else {
+        if (type_can_be_null((*f_iter)->get_type())) {
+          indent(out) << "if (" << (*f_iter)->get_name() << " == null) {" << endl;
+          indent(out)
+              << "  throw new org.apache.thrift.protocol.TProtocolException(\"Required field '"
+              << (*f_iter)->get_name() << "' was not present! Struct: \" + toString());" << endl;
+          indent(out) << "}" << endl;
+        } else {
+          indent(out) << "// alas, we cannot check '" << (*f_iter)->get_name()
+                      << "' because it's a primitive and you chose the non-beans generator."
+                      << endl;
+        }
+      }
+    }
+  }
+
+  out << indent() << "// check for sub-struct validity" << endl;
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    t_type* type = (*f_iter)->get_type();
+    if (type->is_struct() && !((t_struct*)type)->is_union()) {
+      out << indent() << "if (" << (*f_iter)->get_name() << " != null) {" << endl;
+      out << indent() << "  " << (*f_iter)->get_name() << ".validate();" << endl;
+      out << indent() << "}" << endl;
+    }
+  }
+
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+/**
+ * Generates a function to write all the fields of the struct
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_struct_writer(ofstream& out, t_struct* tstruct) {
+  (void)tstruct;
+  indent(out) << "public void write(org.apache.thrift.protocol.TProtocol oprot) throws "
+                 "org.apache.thrift.TException {" << endl;
+  indent_up();
+  indent(out) << "schemes.get(oprot.getScheme()).getScheme().write(oprot, this);" << endl;
+
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+/**
+ * Generates a function to write all the fields of the struct,
+ * which is a function result. These fields are only written
+ * if they are set in the Isset array, and only one of them
+ * can be set at a time.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_struct_result_writer(ofstream& out, t_struct* tstruct) {
+  (void)tstruct;
+  indent(out) << "public void write(org.apache.thrift.protocol.TProtocol oprot) throws "
+                 "org.apache.thrift.TException {" << endl;
+  indent_up();
+  indent(out) << "schemes.get(oprot.getScheme()).getScheme().write(oprot, this);" << endl;
+
+  indent_down();
+  indent(out) << "  }" << endl << endl;
+}
+
+void t_java_generator::generate_java_struct_field_by_id(ofstream& out, t_struct* tstruct) {
+  (void)tstruct;
+  indent(out) << "public _Fields fieldForId(int fieldId) {" << endl;
+  indent(out) << "  return _Fields.findByThriftId(fieldId);" << endl;
+  indent(out) << "}" << endl << endl;
+}
+
+void t_java_generator::generate_reflection_getters(ostringstream& out,
+                                                   t_type* type,
+                                                   string field_name,
+                                                   string cap_name) {
+  indent(out) << "case " << constant_name(field_name) << ":" << endl;
+  indent_up();
+  indent(out) << "return " << (type->is_bool() ? "is" : "get") << cap_name << "();" << endl << endl;
+  indent_down();
+}
+
+void t_java_generator::generate_reflection_setters(ostringstream& out,
+                                                   t_type* type,
+                                                   string field_name,
+                                                   string cap_name) {
+  indent(out) << "case " << constant_name(field_name) << ":" << endl;
+  indent_up();
+  indent(out) << "if (value == null) {" << endl;
+  indent(out) << "  unset" << get_cap_name(field_name) << "();" << endl;
+  indent(out) << "} else {" << endl;
+  indent(out) << "  set" << cap_name << "((" << type_name(type, true, false) << ")value);" << endl;
+  indent(out) << "}" << endl;
+  indent(out) << "break;" << endl << endl;
+
+  indent_down();
+}
+
+void t_java_generator::generate_generic_field_getters_setters(std::ofstream& out,
+                                                              t_struct* tstruct) {
+  std::ostringstream getter_stream;
+  std::ostringstream setter_stream;
+
+  // build up the bodies of both the getter and setter at once
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    t_field* field = *f_iter;
+    t_type* type = get_true_type(field->get_type());
+    std::string field_name = field->get_name();
+    std::string cap_name = get_cap_name(field_name);
+
+    indent_up();
+    generate_reflection_setters(setter_stream, type, field_name, cap_name);
+    generate_reflection_getters(getter_stream, type, field_name, cap_name);
+    indent_down();
+  }
+
+  // create the setter
+
+  indent(out) << "public void setFieldValue(_Fields field, Object value) {" << endl;
+  indent(out) << "  switch (field) {" << endl;
+  out << setter_stream.str();
+  indent(out) << "  }" << endl;
+  indent(out) << "}" << endl << endl;
+
+  // create the getter
+  indent(out) << "public Object getFieldValue(_Fields field) {" << endl;
+  indent_up();
+  indent(out) << "switch (field) {" << endl;
+  out << getter_stream.str();
+  indent(out) << "}" << endl;
+  indent(out) << "throw new IllegalStateException();" << endl;
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+// Creates a generic isSet method that takes the field number as argument
+void t_java_generator::generate_generic_isset_method(std::ofstream& out, t_struct* tstruct) {
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+
+  // create the isSet method
+  indent(out) << "/** Returns true if field corresponding to fieldID is set (has been assigned a "
+                 "value) and false otherwise */" << endl;
+  indent(out) << "public boolean isSet(_Fields field) {" << endl;
+  indent_up();
+  indent(out) << "if (field == null) {" << endl;
+  indent(out) << "  throw new IllegalArgumentException();" << endl;
+  indent(out) << "}" << endl << endl;
+
+  indent(out) << "switch (field) {" << endl;
+
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    t_field* field = *f_iter;
+    indent(out) << "case " << constant_name(field->get_name()) << ":" << endl;
+    indent_up();
+    indent(out) << "return " << generate_isset_check(field) << ";" << endl;
+    indent_down();
+  }
+
+  indent(out) << "}" << endl;
+  indent(out) << "throw new IllegalStateException();" << endl;
+  indent_down();
+  indent(out) << "}" << endl << endl;
+}
+
+/**
+ * Generates a set of Java Bean boilerplate functions (setters, getters, etc.)
+ * for the given struct.
+ *
+ * @param tstruct The struct definition
+ */
+void t_java_generator::generate_java_bean_boilerplate(ofstream& out, t_struct* tstruct) {
+  isset_type issetType = needs_isset(tstruct);
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    t_field* field = *f_iter;
+    t_type* type = get_true_type(field->get_type());
+    std::string field_name = field->get_name();
+    std::string cap_name = get_cap_name(field_name);
+    bool optional = use_option_type_ && field->get_req() == t_field::T_OPTIONAL;
+
+    if (type->is_container()) {
+      // Method to return the size of the collection
+      if (optional) {
+        indent(out) << "public Option<Integer> get" << cap_name;
+        out << get_cap_name("size() {") << endl;
+
+        indent_up();
+        indent(out) << "if (this." << field_name << " == null) {" << endl;
+        indent_up();
+        indent(out) << "return Option.none();" << endl;
+        indent_down();
+        indent(out) << "} else {" << endl;
+        indent_up();
+        indent(out) << "return Option.some(this." << field_name << ".size());" << endl;
+        indent_down();
+        indent(out) << "}" << endl;
+        indent_down();
+        indent(out) << "}" << endl << endl;
+      } else {
+        indent(out) << "public int get" << cap_name;
+        out << get_cap_name("size() {") << endl;
+
+        indent_up();
+        indent(out) << "return (this." << field_name << " == null) ? 0 : "
+                    << "this." << field_name << ".size();" << endl;
+        indent_down();
+        indent(out) << "}" << endl << endl;
+      }
+    }
+
+    if (type->is_set() || type->is_list()) {
+      t_type* element_type;
+      if (type->is_set()) {
+        element_type = ((t_set*)type)->get_elem_type();
+      } else {
+        element_type = ((t_list*)type)->get_elem_type();
+      }
+
+      // Iterator getter for sets and lists
+      if (optional) {
+        indent(out) << "public Option<java.util.Iterator<" << type_name(element_type, true, false)
+                    << ">> get" << cap_name;
+        out << get_cap_name("iterator() {") << endl;
+
+        indent_up();
+        indent(out) << "if (this." << field_name << " == null) {" << endl;
+        indent_up();
+        indent(out) << "return Option.none();" << endl;
+        indent_down();
+        indent(out) << "} else {" << endl;
+        indent_up();
+        indent(out) << "return Option.some(this." << field_name << ".iterator());" << endl;
+        indent_down();
+        indent(out) << "}" << endl;
+        indent_down();
+        indent(out) << "}" << endl << endl;
+      } else {
+        indent(out) << "public java.util.Iterator<" << type_name(element_type, true, false)
+                    << "> get" << cap_name;
+        out << get_cap_name("iterator() {") << endl;
+
+        indent_up();
+        indent(out) << "return (this." << field_name << " == null) ? null : "
+                    << "this." << field_name << ".iterator();" << endl;
+        indent_down();
+        indent(out) << "}" << endl << endl;
+      }
+
+      // Add to set or list, create if the set/list is null
+      indent(out);
+      out << "public void add" << get_cap_name("to");
+      out << cap_name << "(" << type_name(element_type) << " elem) {" << endl;
+
+      indent_up();
+      indent(out) << "if (this." << field_name << " == null) {" << endl;
+      indent_up();
+      indent(out) << "this." << field_name << " = new " << type_name(type, false, true) << "();"
+                  << endl;
+      indent_down();
+      indent(out) << "}" << endl;
+      indent(out) << "this." << field_name << ".add(elem);" << endl;
+      indent_down();
+      indent(out) << "}" << endl << endl;
+    } else if (type->is_map()) {
+      // Put to map
+      t_type* key_type = ((t_map*)type)->get_key_type();
+      t_type* val_type = ((t_map*)type)->get_val_type();
+
+      indent(out);
+      out << "public void put" << get_cap_name("to");
+      out << cap_name << "(" << type_name(key_type) << " key, " << type_name(val_type) << " val) {"
+          << endl;
+
+      indent_up();
+      indent(out) << "if (this." << field_name << " == null) {" << endl;
+      indent_up();
+      indent(out) << "this." << field_name << " = new " << type_name(type, false, true) << "();"
+                  << endl;
+      indent_down();
+      indent(out) << "}" << endl;
+      indent(out) << "this." << field_name << ".put(key, val);" << endl;
+      indent_down();
+      indent(out) << "}" << endl << endl;
+    }
+
+    // Simple getter
+    generate_java_doc(out, field);
+    if (type->is_base_type() && ((t_base_type*)type)->is_binary()) {
+      indent(out) << "public byte[] get" << cap_name << "() {" << endl;
+      indent(out) << "  set" << cap_name << "(org.apache.thrift.TBaseHelper.rightSize("
+                  << field_name << "));" << endl;
+      indent(out) << "  return " << field_name << " == null ? null : " << field_name << ".array();"
+                  << endl;
+      indent(out) << "}" << endl << endl;
+
+      indent(out) << "public ByteBuffer buffer" << get_cap_name("for") << cap_name << "() {"
+                  << endl;
+      indent(out) << "  return org.apache.thrift.TBaseHelper.copyBinary(" << field_name << ");"
+                  << endl;
+      indent(out) << "}" << endl << endl;
+    } else {
+      if (optional) {
+        indent(out) << "public Option<" << type_name(type, true) << ">";
+        if (type->is_base_type() && ((t_base_type*)type)->get_base() == t_base_type::TYPE_BOOL) {
+          out << " is";
+        } else {
+          out << " get";
+        }
+        out << cap_name << "() {" << endl;
+        indent_up();
+
+        indent(out) << "if (this.isSet" << cap_name << "()) {" << endl;
+        indent_up();
+        indent(out) << "return Option.some(this." << field_name << ");" << endl;
+        indent_down();
+        indent(out) << "} else {" << endl;
+        indent_up();
+        indent(out) << "return Option.none();" << endl;
+        indent_down();
+        indent(out) << "}" << endl;
+        indent_down();
+        indent(out) << "}" << endl << endl;
+      } else {
+        indent(out) << "public " << type_name(type);
+        if (type->is_base_type() && ((t_base_type*)type)->get_base() == t_base_type::TYPE_BOOL) {
+          out << " is";
+        } else {
+          out << " get";
+        }
+        out << cap_name << "() {" << endl;
+        indent_up();
+        indent(out) << "return this." << field_name << ";" << endl;
+        indent_down();
+        indent(out) << "}" << endl << endl;
+      }
+    }
+
+    // Simple setter
+    generate_java_doc(out, field);
+    if (type->is_base_type() && ((t_base_type*)type)->is_binary()) {
+      indent(out) << "public ";
+      if (bean_style_) {
+        out << "void";
+      } else {
+        out << type_name(tstruct);
+      }
+      out << " set" << cap_name << "(byte[] " << field_name << ") {" << endl;
+      indent(out) << "  this." << field_name << " = " << field_name << " == null ? (ByteBuffer)null"
+                  << " : ByteBuffer.wrap(Arrays.copyOf(" << field_name << ", " << field_name
+                  << ".length));" << endl;
+      if (!bean_style_) {
+        indent(out) << "  return this;" << endl;
+      }
+      indent(out) << "}" << endl << endl;
+    }
+    indent(out) << "public ";
+    if (bean_style_) {
+      out << "void";

<TRUNCATED>