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Posted to commits@arrow.apache.org by ko...@apache.org on 2018/11/05 02:38:15 UTC
[arrow] branch master updated: ARROW-3692: [Gandiva][Ruby] Add Ruby
bindings of Gandiva
This is an automated email from the ASF dual-hosted git repository.
kou pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/arrow.git
The following commit(s) were added to refs/heads/master by this push:
new 8a90e80 ARROW-3692: [Gandiva][Ruby] Add Ruby bindings of Gandiva
8a90e80 is described below
commit 8a90e80be49dfccdc17f8568e9a0f8e8363bfbc7
Author: Yosuke Shiro <ys...@gmail.com>
AuthorDate: Mon Nov 5 11:37:50 2018 +0900
ARROW-3692: [Gandiva][Ruby] Add Ruby bindings of Gandiva
It's Ruby bindings of Gandiva.
Author: Yosuke Shiro <ys...@gmail.com>
Author: Kouhei Sutou <ko...@clear-code.com>
Closes #2895 from shiro615/ruby-support-gandiva and squashes the following commits:
46e40261 <Kouhei Sutou> Use Schema#
69526ed5 <Kouhei Sutou> Add a test for Red Gandiva
4afb821f <Kouhei Sutou> Add missing "--no-libtooL" option for macOS
0e5d74f8 <Yosuke Shiro> Set LLVM_DIR
1e5fa808 <Yosuke Shiro> Add LLVM in Brewfile
43f3b32b <Yosuke Shiro> Add red-gandiva test case in Travis CI
553a68f7 <Yosuke Shiro> Build Gandiva in Travis CI
01d5724e <Yosuke Shiro> Support gandiva
---
.travis.yml | 1 +
c_glib/Brewfile | 1 +
c_glib/gandiva-glib/Makefile.am | 1 +
ci/travis_before_script_cpp.sh | 1 +
ci/travis_script_ruby.sh | 9 +
c_glib/Brewfile => ruby/red-gandiva/.gitignore | 17 +-
c_glib/Brewfile => ruby/red-gandiva/Gemfile | 19 +-
ruby/red-gandiva/LICENSE.txt | 202 +++++++++++++++++++++
ruby/red-gandiva/NOTICE.txt | 2 +
ruby/red-gandiva/README.md | 65 +++++++
c_glib/Brewfile => ruby/red-gandiva/Rakefile | 36 ++--
.../red-gandiva/dependency-check/Rakefile | 40 ++--
c_glib/Brewfile => ruby/red-gandiva/lib/gandiva.rb | 26 ++-
.../red-gandiva/lib/gandiva/loader.rb | 23 +--
ruby/red-gandiva/red-gandiva.gemspec | 49 +++++
c_glib/Brewfile => ruby/red-gandiva/test/helper.rb | 20 +-
.../Brewfile => ruby/red-gandiva/test/run-test.rb | 34 ++--
ruby/red-gandiva/test/test-projector.rb | 44 +++++
ruby/red-gandiva/version.rb | 71 ++++++++
19 files changed, 549 insertions(+), 112 deletions(-)
diff --git a/.travis.yml b/.travis.yml
index 4635711..f6f499c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -248,6 +248,7 @@ matrix:
os: osx
env:
- ARROW_TRAVIS_ORC=1
+ - ARROW_TRAVIS_GANDIVA=1
- ARROW_TRAVIS_PARQUET=1
cache:
addons:
diff --git a/c_glib/Brewfile b/c_glib/Brewfile
index cdac53c..05af697 100644
--- a/c_glib/Brewfile
+++ b/c_glib/Brewfile
@@ -24,6 +24,7 @@ brew "git"
brew "gobject-introspection"
brew "gtk-doc"
brew "libtool"
+brew "llvm@6"
brew "lua"
brew "luarocks"
brew "ninja"
diff --git a/c_glib/gandiva-glib/Makefile.am b/c_glib/gandiva-glib/Makefile.am
index 3a8b9d3..1c42f53 100644
--- a/c_glib/gandiva-glib/Makefile.am
+++ b/c_glib/gandiva-glib/Makefile.am
@@ -117,6 +117,7 @@ Gandiva_1_0_gir_LIBS += \
arrow-glib \
gandiva-glib
Gandiva_1_0_gir_SCANNERFLAGS += \
+ --no-libtool \
--library-path=$(abs_top_builddir)/arrow-glib/.libs \
--library-path=$(abs_builddir)/.libs
else
diff --git a/ci/travis_before_script_cpp.sh b/ci/travis_before_script_cpp.sh
index 3a8799e..c9e60e6 100755
--- a/ci/travis_before_script_cpp.sh
+++ b/ci/travis_before_script_cpp.sh
@@ -119,6 +119,7 @@ else
if [ "$using_homebrew" = "yes" ]; then
# build against homebrew's boost if we're using it
export BOOST_ROOT=$(brew --prefix boost)
+ export LLVM_DIR=$(brew --prefix llvm@6)/lib/cmake/llvm
export THRIFT_HOME=$(brew --prefix thrift)
fi
cmake $CMAKE_COMMON_FLAGS \
diff --git a/ci/travis_script_ruby.sh b/ci/travis_script_ruby.sh
index 38e42d1..b01cf3a 100755
--- a/ci/travis_script_ruby.sh
+++ b/ci/travis_script_ruby.sh
@@ -52,6 +52,15 @@ popd
# fi
# popd
+pushd $ARROW_RUBY_DIR/red-gandiva
+(arrow_ruby_run_test $ARROW_C_GLIB_INSTALL_AUTOTOOLS/lib)
+if [ -d $ARROW_C_GLIB_INSTALL_MESON/lib/$(arch)-linux-gnu ]; then
+ (arrow_ruby_run_test $ARROW_C_GLIB_INSTALL_MESON/lib/$(arch)-linux-gnu)
+# else # TODO: Enable this
+# (arrow_ruby_run_test $ARROW_C_GLIB_INSTALL_MESON/lib)
+fi
+popd
+
pushd $ARROW_RUBY_DIR/red-parquet
(arrow_ruby_run_test $ARROW_C_GLIB_INSTALL_AUTOTOOLS/lib)
if [ -d $ARROW_C_GLIB_INSTALL_MESON/lib/$(arch)-linux-gnu ]; then
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/.gitignore
similarity index 78%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/.gitignore
index cdac53c..99c64a5 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/.gitignore
@@ -15,17 +15,6 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+/lib/gandiva/version.rb
+
+/pkg/
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/Gemfile
similarity index 78%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/Gemfile
index cdac53c..3907918 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/Gemfile
@@ -1,3 +1,5 @@
+# -*- ruby -*-
+#
# 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
@@ -15,17 +17,6 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+source "https://rubygems.org/"
+
+gemspec
diff --git a/ruby/red-gandiva/LICENSE.txt b/ruby/red-gandiva/LICENSE.txt
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/ruby/red-gandiva/LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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+
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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diff --git a/ruby/red-gandiva/NOTICE.txt b/ruby/red-gandiva/NOTICE.txt
new file mode 100644
index 0000000..e08aeda
--- /dev/null
+++ b/ruby/red-gandiva/NOTICE.txt
@@ -0,0 +1,2 @@
+Apache Arrow
+Copyright 2016 The Apache Software Foundation
diff --git a/ruby/red-gandiva/README.md b/ruby/red-gandiva/README.md
new file mode 100644
index 0000000..d6ab944
--- /dev/null
+++ b/ruby/red-gandiva/README.md
@@ -0,0 +1,65 @@
+<!---
+ 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.
+-->
+
+# Red Gandiva - Gandiva Ruby
+
+Red Gandiva is the Ruby bindings of Gandiva. Red Gandiva is based on GObject Introspection.
+
+Gandiva is a toolset for compiling and evaluating expressions on Arrow data.
+
+[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.
+
+Red Gandiva uses [Gandiva GLib](https://github.com/apache/arrow/tree/master/c_glib/gandiva-glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Gandiva.
+
+Gandiva GLib is a C wrapper for [Gandiva C++](https://github.com/apache/arrow/tree/master/cpp/gandiva). GObject Introspection can't use Gandiva C++ directly. Gandiva GLib is a bridge between Gandiva C++ and GObject Introspection.
+
+gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Gandiva uses GObject Introspection via gobject-introspection gem.
+
+## Install
+
+Install Gandiva GLib before install Red Gandiva. Use [packages.red-data-tools.org](https://github.com/red-data-tools/packages.red-data-tools.org) for installing Gandiva GLib.
+
+Note that the Gandiva GLib packages are "unofficial". "Official" packages will be released in the future.
+
+Install Red Gandiva after you install Gandiva GLib:
+
+```text
+% gem install red-gandiva
+```
+
+## Usage
+
+```ruby
+require "gandiva"
+
+field1 = Arrow::Field.new("field1", Arrow::Int32DataType.new)
+field2 = Arrow::Field.new("field2", Arrow::Int32DataType.new)
+schema = Arrow::Schema.new([field1, field2])
+add_result = Arrow::Field.new("add_result", Arrow::Int32DataType.new)
+subtract_result = Arrow::Field.new("subtract_result", Arrow::Int32DataType.new)
+add_expression = Gandiva::Expression.new("add", [field1, field2], add_result)
+subtract_expression = Gandiva::Expression.new("subtract", [field1, field2], subtract_result)
+projector = Gandiva::Projector.new(schema, [add_expression, subtract_expression])
+input_arrays = [
+ Arrow::Int32Array.new([1, 2, 3, 4]),
+ Arrow::Int32Array.new([11, 13, 15, 17]),
+]
+record_batch = Arrow::RecordBatch.new(schema, 4, input_arrays)
+output_arrays = projector.evaluate(record_batch)
+```
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/Rakefile
similarity index 66%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/Rakefile
index cdac53c..96851af 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/Rakefile
@@ -1,3 +1,5 @@
+# -*- ruby -*-
+#
# 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
@@ -15,17 +17,23 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+require "rubygems"
+require "bundler/gem_helper"
+
+base_dir = File.join(__dir__)
+
+helper = Bundler::GemHelper.new(base_dir)
+helper.install
+
+release_task = Rake::Task["release"]
+release_task.prerequisites.replace(["build", "release:rubygem_push"])
+
+desc "Run tests"
+task :test do
+ cd("dependency-check") do
+ ruby("-S", "rake")
+ end
+ ruby("test/run-test.rb")
+end
+
+task default: :test
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/dependency-check/Rakefile
similarity index 59%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/dependency-check/Rakefile
index cdac53c..6430fbc 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/dependency-check/Rakefile
@@ -1,3 +1,5 @@
+# -*- ruby -*-
+#
# 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
@@ -15,17 +17,27 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+require "pkg-config"
+require "native-package-installer"
+
+case RUBY_PLATFORM
+when /mingw|mswin/
+ task :default => "nothing"
+else
+ task :default => "dependency:check"
+end
+
+task :nothing do
+end
+
+namespace :dependency do
+ desc "Check dependency"
+ task :check do
+ unless PKGConfig.check_version?("gandiva-glib")
+ unless NativePackageInstaller.install(:debian => "libgandiva-glib-dev",
+ :redhat => "gandiva-glib-devel")
+ exit(false)
+ end
+ end
+ end
+end
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/lib/gandiva.rb
similarity index 78%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/lib/gandiva.rb
index cdac53c..6a47a32 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/lib/gandiva.rb
@@ -15,17 +15,15 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+require "arrow"
+
+require "gandiva/version"
+
+require "gandiva/loader"
+
+module Gandiva
+ class Error < StandardError
+ end
+
+ Loader.load
+end
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/lib/gandiva/loader.rb
similarity index 78%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/lib/gandiva/loader.rb
index cdac53c..5a95897 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/lib/gandiva/loader.rb
@@ -15,17 +15,12 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+module Gandiva
+ class Loader < GObjectIntrospection::Loader
+ class << self
+ def load
+ super("Gandiva", Gandiva)
+ end
+ end
+ end
+end
diff --git a/ruby/red-gandiva/red-gandiva.gemspec b/ruby/red-gandiva/red-gandiva.gemspec
new file mode 100644
index 0000000..7f84faf
--- /dev/null
+++ b/ruby/red-gandiva/red-gandiva.gemspec
@@ -0,0 +1,49 @@
+# -*- ruby -*-
+#
+# 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.
+
+require_relative "version"
+
+Gem::Specification.new do |spec|
+ spec.name = "red-gandiva"
+ version_components = [
+ Gandiva::Version::MAJOR.to_s,
+ Gandiva::Version::MINOR.to_s,
+ Gandiva::Version::MICRO.to_s,
+ # "beta1",
+ ]
+ spec.version = version_components.join(".")
+ spec.homepage = "https://arrow.apache.org/"
+ spec.authors = ["Apache Arrow Developers"]
+ spec.email = ["dev@arrow.apache.org"]
+
+ spec.summary = "Red Gandiva is the Ruby bindings of Gandiva"
+ spec.description = "Gandiva is a toolset for compiling and evaluating expressions on Arrow data."
+ spec.license = "Apache-2.0"
+ spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
+ spec.files += ["LICENSE.txt", "NOTICE.txt"]
+ spec.files += Dir.glob("lib/**/*.rb")
+ spec.test_files += Dir.glob("test/**/*")
+ spec.extensions = ["dependency-check/Rakefile"]
+
+ spec.add_runtime_dependency("red-arrow")
+
+ spec.add_development_dependency("bundler")
+ spec.add_development_dependency("rake")
+ spec.add_development_dependency("test-unit")
+end
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/test/helper.rb
similarity index 78%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/test/helper.rb
index cdac53c..2f4e7dc 100644
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/test/helper.rb
@@ -15,17 +15,9 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+require_relative "../../red-arrow/version"
+require_relative "../version"
+
+require "gandiva"
+
+require "test-unit"
diff --git a/c_glib/Brewfile b/ruby/red-gandiva/test/run-test.rb
old mode 100644
new mode 100755
similarity index 65%
copy from c_glib/Brewfile
copy to ruby/red-gandiva/test/run-test.rb
index cdac53c..b826f3e
--- a/c_glib/Brewfile
+++ b/ruby/red-gandiva/test/run-test.rb
@@ -1,3 +1,5 @@
+#!/usr/bin/env ruby
+#
# 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
@@ -15,17 +17,21 @@
# specific language governing permissions and limitations
# under the License.
-brew "autoconf-archive"
-brew "automake"
-brew "boost"
-brew "ccache"
-brew "cmake"
-brew "git"
-brew "gobject-introspection"
-brew "gtk-doc"
-brew "libtool"
-brew "lua"
-brew "luarocks"
-brew "ninja"
-brew "thrift"
-brew "wget"
+$VERBOSE = true
+
+require "pathname"
+
+base_dir = Pathname.new(__dir__).parent.expand_path
+arrow_base_dir = base_dir.parent + "red-arrow"
+
+lib_dir = base_dir + "lib"
+test_dir = base_dir + "test"
+
+arrow_lib_dir = arrow_base_dir + "lib"
+
+$LOAD_PATH.unshift(arrow_lib_dir.to_s)
+$LOAD_PATH.unshift(lib_dir.to_s)
+
+require_relative "helper"
+
+exit(Test::Unit::AutoRunner.run(true, test_dir.to_s))
diff --git a/ruby/red-gandiva/test/test-projector.rb b/ruby/red-gandiva/test/test-projector.rb
new file mode 100644
index 0000000..d4a2221
--- /dev/null
+++ b/ruby/red-gandiva/test/test-projector.rb
@@ -0,0 +1,44 @@
+# 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.
+
+class TestProjector < Test::Unit::TestCase
+ def test_evaluate
+ table = Arrow::Table.new(:field1 => Arrow::Int32Array.new([1, 2, 3, 4]),
+ :field2 => Arrow::Int32Array.new([11, 13, 15, 17]))
+ schema = table.schema
+ field1 = schema[:field1]
+ field2 = schema[:field2]
+ add_result = Arrow::Field.new("add_result", :int32)
+ add_expression = Gandiva::Expression.new("add",
+ [field1, field2],
+ add_result)
+ subtract_result = Arrow::Field.new("subtract_result", :int32)
+ subtract_expression = Gandiva::Expression.new("subtract",
+ [field1, field2],
+ subtract_result)
+ projector = Gandiva::Projector.new(schema,
+ [add_expression, subtract_expression])
+ table.each_record_batch do |record_batch|
+ outputs = projector.evaluate(record_batch)
+ assert_equal([
+ [12, 15, 18, 21],
+ [-10, -11, -12, -13],
+ ],
+ outputs.collect(&:values))
+ end
+ end
+end
diff --git a/ruby/red-gandiva/version.rb b/ruby/red-gandiva/version.rb
new file mode 100644
index 0000000..ba76979
--- /dev/null
+++ b/ruby/red-gandiva/version.rb
@@ -0,0 +1,71 @@
+# 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.
+
+require "pathname"
+
+version_rb_path = Pathname.new(__FILE__)
+base_dir = version_rb_path.dirname
+pom_xml_path = base_dir.join("..", "..", "java", "pom.xml")
+lib_version_rb_path = base_dir.join("lib", "gandiva", "version.rb")
+
+need_update = false
+if not lib_version_rb_path.exist?
+ need_update = true
+elsif version_rb_path.mtime > lib_version_rb_path.mtime
+ need_update = true
+elsif pom_xml_path.exist? and pom_xml_path.mtime > lib_version_rb_path.mtime
+ need_update = true
+end
+
+if need_update
+ version = pom_xml_path.read.scan(/^ <version>(.+?)<\/version>/)[0][0]
+ major, minor, micro, tag = version.split(/[.-]/)
+ lib_version_rb_path.open("w") do |lib_version_rb|
+ lib_version_rb.puts(<<-RUBY)
+# 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.
+
+module Gandiva
+ module Version
+ MAJOR = #{major}
+ MINOR = #{minor}
+ MICRO = #{micro}
+ TAG = #{tag ? tag.dump : nil}
+ STRING = #{version.dump}
+ end
+
+ VERSION = Version::STRING
+end
+ RUBY
+ end
+end
+
+require_relative "lib/gandiva/version"