Crystal specs added.
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require "spec"
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require "file_utils"
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require "json"
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require "uuid"
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require "../src/*"
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class Ship
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include JSON::Serializable
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def_clone
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property id : String
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property class : String
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property name : String
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property tags : Array(String)
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def initialize(@name, @class = "<unknown>", @id = UUID.random.to_s, @tags = [] of String)
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end
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# Common, reusable test data.
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# Those data can be indexed, partitioned or tagged on different parameters,
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# and can easily be extended.
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class_getter kisaragi = Ship.new("Kisaragi", "Mutsuki")
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class_getter destroyers = [
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@@kisaragi,
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Ship.new("Mutsuki", "Mutsuki", tags: ["name ship"]),
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Ship.new("Yayoi", "Mutsuki"),
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Ship.new("Uzuki", "Mutsuki"),
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Ship.new("Satsuki", "Mutsuki"),
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Ship.new("Shiratsuyu", "Shiratsuyu", tags: ["name ship"]),
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Ship.new("Murasame", "Shiratsuyu"),
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Ship.new("Yuudachi", "Shiratsuyu")
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]
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class_getter yamato =
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Ship.new("Yamato", "Yamato", tags: ["name ship", "flagship"])
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class_getter flagship : Ship = yamato
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class_getter battleships = [
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@@yamato,
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Ship.new("Kongou", "Kongou", tags: ["name ship"]),
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Ship.new("Haruna", "Kongou"),
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Ship.new("Kirishima", "Kongou"),
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Ship.new("Hiei" , "Kongou"),
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Ship.new("Musashi", "Yamato"),
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Ship.new("Shinano", "Yamato")
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]
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class_getter all_ships : Array(Ship) = @@destroyers + @@battleships
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# Equality is true if every property is identical.
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def ==(other)
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@id == other.id && @class == other.class && @name == other.name &&
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@tags == other.tags
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end
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end
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class FSDB::SpecDataBase < FSDB::DataBase(String, Ship)
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def initialize
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::FileUtils.rm_rf "test-storage"
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initialize "test-storage"
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end
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end
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describe "FSDB::DataBase" do
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describe "basics" do
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it "store and get data" do
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db = FSDB::SpecDataBase.new
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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Ship.all_ships.each do |ship|
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db[ship.id].should eq(ship)
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end
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end
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it "rewrite already stored data" do
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db = FSDB::SpecDataBase.new
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ship = Ship.all_ships[0]
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db[ship.id] = Ship.new "broken", id: ship.id
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db[ship.id] = ship
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db[ship.id].should eq(ship)
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end
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it "properly remove data" do
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db = FSDB::SpecDataBase.new
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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Ship.all_ships.each do |ship|
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db.delete ship.id
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end
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Ship.all_ships.each do |ship|
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# FIXME: Should it raise a particular exception?
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expect_raises FSDB::MissingEntry do
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db[ship.id]
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end
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db[ship.id]?.should be_nil
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end
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end
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end
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describe "indices" do
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it "do basic indexing" do
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db = FSDB::SpecDataBase.new
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db_ships_by_name = db.new_index "name", &.name
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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Ship.all_ships.each do |ship|
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db_ships_by_name.get?(ship.name).should eq(ship)
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end
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end
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it "raise on index overload" do
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db = FSDB::SpecDataBase.new
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db_ships_by_name = db.new_index "name", &.name
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some_ship = Ship.kisaragi
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db[some_ship.id] = some_ship
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# Should not be allowed to store an entry whose “name” field
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# already exists.
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expect_raises(FSDB::IndexOverload) do
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db["another id"] = some_ship
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end
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end
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it "properly deindex" do
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db = FSDB::SpecDataBase.new
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db_ships_by_name = db.new_index "name", &.name
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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Ship.all_ships.each do |ship|
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db.delete ship.id
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end
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Ship.all_ships.each do |ship|
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db_ships_by_name.get?(ship.name).should be_nil
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end
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end
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it "properly reindex" do
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db = FSDB::SpecDataBase.new
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db_ships_by_name = db.new_index "name", &.name
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some_ship = Ship.kisaragi
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db[some_ship.id] = some_ship
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# We give the old id to the new ship, to get it replaced in
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# the database.
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some_new_ship = Ship.all_ships[2].clone
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some_new_ship.id = some_ship.id
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db[some_new_ship.id] = some_new_ship
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db[some_new_ship.id].should eq(some_new_ship)
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db_ships_by_name.get?(some_new_ship.name).should eq(some_new_ship)
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end
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end
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describe "partitions" do
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it "do basic partitioning" do
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db = FSDB::SpecDataBase.new
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db_ships_by_class = db.new_partition "class", &.class
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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Ship.all_ships.each do |ship|
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db_ships_by_class.get(ship.class).should contain(ship)
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end
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# We extract the possible classes to do test on them.
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ship_classes = Ship.all_ships.map(&.class).uniq
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ship_classes.each do |klass|
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partition = db_ships_by_class.get klass
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# A partition on “class” should contain entries that all
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# share the same value of “class”.
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partition.map(&.class.==(klass)).reduce { |a, b|
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a && b
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}.should be_true
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end
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end
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end
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describe "tags" do
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it "do basic tagging" do
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db = FSDB::SpecDataBase.new
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db_ships_by_tags = db.new_tags "tags", &.tags
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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db_ships_by_tags.get("flagship").should eq([Ship.flagship])
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# All returned entries should have the requested tag.
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db_ships_by_tags.get("name ship")
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.map(&.tags.includes?("name ship"))
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.reduce { |a, e| a && e }
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.should be_true
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# There shouldn’t be one in our data about WWII Japanese warships…
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db_ships_by_tags.get("starship").should eq([] of Ship)
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end
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it "properly removes tags" do
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db = FSDB::SpecDataBase.new
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db_ships_by_tags = db.new_tags "tags", &.tags
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Ship.all_ships.each do |ship|
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db[ship.id] = ship
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end
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# Removing the “flagship” tag, brace for impact.
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flagship = db_ships_by_tags.get("flagship")[0].clone
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flagship.tags = [] of String
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db[flagship.id] = flagship
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db_ships_by_tags.get("flagship").should eq([] of Ship)
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end
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end
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end
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@ -38,7 +38,7 @@ class FSDB::Tags(V) < FSDB::Indexer(V)
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return true # Tags don’t have collisions or overloads.
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end
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def get(name, key) : Array(V)
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def get(key) : Array(V)
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r_value = Array(V).new
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partition_directory = "#{get_tag_directory}/#{key}"
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