Module: Persist
- Defined in:
- lib/rbbt/persist.rb,
lib/rbbt/persist/tsv.rb
Constant Summary collapse
- MEMORY =
{}
- MAX_FILE_LENGTH =
150
- TRUE_STRINGS =
Set.new ["true", "True", "TRUE", "t", "T", "1", "yes", "Yes", "YES", "y", "Y", "ON", "on"]
- TC_CONNECTIONS =
{}
Class Attribute Summary collapse
-
.cachedir ⇒ Object
Returns the value of attribute cachedir.
-
.lock_dir ⇒ Object
Returns the value of attribute lock_dir.
Class Method Summary collapse
- .is_persisted?(path, persist_options = {}) ⇒ Boolean
- .load_file(path, type) ⇒ Object
- .newer?(path, file) ⇒ Boolean
- .open_tokyocabinet(path, write, serializer = nil, tokyocabinet_class = TokyoCabinet::HDB) ⇒ Object
- .persist(name, type = nil, persist_options = {}) ⇒ Object
- .persist_tsv(source, filename, options = {}, persist_options = {}) ⇒ Object
- .persistence_path(file, persist_options = {}, options = {}) ⇒ Object
- .save_file(path, type, content) ⇒ Object
Class Attribute Details
.cachedir ⇒ Object
Returns the value of attribute cachedir.
10 11 12 |
# File 'lib/rbbt/persist.rb', line 10 def cachedir @cachedir end |
.lock_dir ⇒ Object
Returns the value of attribute lock_dir.
18 19 20 |
# File 'lib/rbbt/persist.rb', line 18 def lock_dir @lock_dir end |
Class Method Details
.is_persisted?(path, persist_options = {}) ⇒ Boolean
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
# File 'lib/rbbt/persist.rb', line 34 def self.is_persisted?(path, = {}) return false if not Open.exists? path return false if TrueClass === [:update] check = [:check] if not check.nil? if Array === check return false if check.select{|file| newer? path, file}.any? else return false if newer? path, check end end return true end |
.load_file(path, type) ⇒ Object
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 |
# File 'lib/rbbt/persist.rb', line 85 def self.load_file(path, type) case (type || "nil").to_sym when :nil nil when :boolean TRUE_STRINGS.include? Open.read(path).chomp.strip when :annotations Annotated.load_tsv TSV.open(path) when :tsv TSV.open(path) when :marshal_tsv TSV.setup(Marshal.load(Open.open(path))) when :fwt FixWidthTable.get(path) when :string, :text Open.read(path) when :binary f = File.open(path, 'rb') res = f.read f.close res.force_encoding("ASCII-8BIT") if res.respond_to? :force_encoding res when :array res = Open.read(path).split("\n", -1) res.pop res when :marshal Marshal.load(Open.open(path)) when :yaml YAML.load(Open.open(path)) when :float Open.read(path).to_f when :integer Open.read(path).to_i else raise "Unknown persistence: #{ type }" end end |
.newer?(path, file) ⇒ Boolean
28 29 30 31 32 |
# File 'lib/rbbt/persist.rb', line 28 def self.newer?(path, file) return true if not Open.exists? file return true if File.mtime(path) < File.mtime(file) return false end |
.open_tokyocabinet(path, write, serializer = nil, tokyocabinet_class = TokyoCabinet::HDB) ⇒ Object
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 |
# File 'lib/rbbt/persist/tsv.rb', line 10 def self.open_tokyocabinet(path, write, serializer = nil, tokyocabinet_class = TokyoCabinet::HDB) write = true if not File.exists?(path) tokyocabinet_class = TokyoCabinet::HDB if tokyocabinet_class == "HDB" tokyocabinet_class = TokyoCabinet::BDB if tokyocabinet_class == "BDB" flags = (write ? tokyocabinet_class::OWRITER | tokyocabinet_class::OCREAT : tokyocabinet_class::OREADER) FileUtils.mkdir_p File.dirname(path) unless File.exists?(File.dirname(path)) database = TC_CONNECTIONS[path] ||= tokyocabinet_class.new database.close if !database.open(path, flags) ecode = database.ecode raise "Open error: #{database.errmsg(ecode)}. Trying to open file #{path}" end if not database.respond_to? :old_close class << database attr_accessor :writable, :closed, :persistence_path, :tokyocabinet_class def prefix(key) range(key, 1, key + 255.chr, 1) end def closed? @closed end alias old_close close def close @closed = true old_close end def read(force = false) return if not write? and not closed and not force self.close if !self.open(@persistence_path, tokyocabinet_class::OREADER) ecode = self.ecode raise "Open error: #{self.errmsg(ecode)}. Trying to open file #{@persistence_path}" end @writable = false @closed = false self end def write(force = true) return if write? and not closed and not force self.close if !self.open(@persistence_path, tokyocabinet_class::OWRITER) ecode = self.ecode raise "Open error: #{self.errmsg(ecode)}. Trying to open file #{@persistence_path}" end @writable = true @closed = false self end def write? @writable end def collect res = [] each do |key, value| res << if block_given? yield key, value else [key, value] end end res end def delete(key) out(key) end def write_and_read lock_filename = Persist.persistence_path(persistence_path, {:dir => TSV.lock_dir}) Misc.lock(lock_filename) do write if @closed or not write? res = begin yield ensure read end res end end def write_and_close lock_filename = Persist.persistence_path(persistence_path, {:dir => TSV.lock_dir}) Misc.lock(lock_filename) do write if @closed or not write? res = begin yield ensure close end res end end def read_and_close read if @closed or write? res = begin yield ensure close end res end def merge!(hash) hash.each do |key,values| self[key] = values end end if instance_methods.include? "range" alias old_range range def range(*args) keys = old_range(*args) keys - TSV::ENTRY_KEYS end end end end database.persistence_path ||= path database.tokyocabinet_class = tokyocabinet_class unless serializer == :clean TSV.setup database database.serializer = serializer || database.serializer database.fields end database end |
.persist(name, type = nil, persist_options = {}) ⇒ Object
167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 |
# File 'lib/rbbt/persist.rb', line 167 def self.persist(name, type = nil, = {}) type ||= :marshal = Misc.add_defaults , :persist => true = Misc. , :other if [:persist] path = persistence_path(name, , || {}) case when type.to_sym === :memory Persist::MEMORY[path] ||= yield when (type.to_sym == :annotations and .include? :annotation_repo) repo = [:annotation_repo] keys = nil subkey = name + ":" if String === repo repo = Persist.open_tokyocabinet(repo, false, :list, "BDB") repo.read_and_close do keys = repo.range subkey + 0.chr, true, subkey + 254.chr, true end repo.close else repo.read_and_close do keys = repo.range subkey + 0.chr, true, subkey + 254.chr, true end end case when (keys.length == 1 and keys.first == subkey + 'NIL') nil when (keys.length == 1 and keys.first == subkey + 'EMPTY') [] when (keys.length == 1 and keys.first =~ /:SINGLE$/) key = keys.first values = repo.read_and_close do repo[key] end Annotated.load_tsv_values(key, values, "literal", "annotation_types", "JSON") when (keys.any? and not keys.first =~ /ANNOTATED_DOUBLE_ARRAY/) repo.read_and_close do keys.sort_by{|k| k.split(":").last.to_i}.collect{|key| v = repo[key] Annotated.load_tsv_values(key, v, "literal", "annotation_types", "JSON") } end when (keys.any? and keys.first =~ /ANNOTATED_DOUBLE_ARRAY/) repo.read_and_close do res = keys.sort_by{|k| k.split(":").last.to_i}.collect{|key| v = repo[key] Annotated.load_tsv_values(key, v, "literal", "annotation_types", "JSON") } res.first.annotate res res.extend AnnotatedArray res end else entities = yield repo.write_and_close do case when entities.nil? repo[subkey + "NIL"] = nil when entities.empty? repo[subkey + "EMPTY"] = nil when (not Array === entities or (AnnotatedArray === entities and not Array === entities.first)) tsv_values = entities.tsv_values("literal", "annotation_types", "JSON") repo[subkey + entities.id << ":" << "SINGLE"] = tsv_values when (not Array === entities or (AnnotatedArray === entities and AnnotatedArray === entities.first)) entities.each_with_index do |e,i| next if e.nil? tsv_values = e.tsv_values("literal", "annotation_types", "JSON") repo[subkey + e.id << ":ANNOTATED_DOUBLE_ARRAY:" << i.to_s] = tsv_values end else entities.each_with_index do |e,i| next if e.nil? tsv_values = e.tsv_values("literal", "annotation_types", "JSON") repo[subkey + e.id << ":" << i.to_s] = tsv_values end end end entities end else if is_persisted?(path, ) Log.low "Persist up-to-date: #{ path } - #{.inspect[0..100]}" return nil if [:no_load] return load_file(path, type) end begin lock_filename = Persist.persistence_path(path + '.persist', {:dir => Persist.lock_dir}) Misc.lock lock_filename do if is_persisted?(path, ) Log.low "Persist up-to-date: #{ path } - #{.inspect[0..100]}" return nil if [:no_load] return load_file(path, type) end Log.medium "Persist create: #{ path } - #{.inspect[0..100]}" res = yield Misc.lock(path) do save_file(path, type, res) end res end rescue Log.high "Error in persist. #{Open.exists?(path) ? "Erasing '#{ path }'" : ""}" FileUtils.rm path if Open.exists? path raise $! end end else yield end end |
.persist_tsv(source, filename, options = {}, persist_options = {}) ⇒ Object
158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 |
# File 'lib/rbbt/persist/tsv.rb', line 158 def self.persist_tsv(source, filename, = {}, = {}) [:prefix] ||= "TSV" data = case when [:data] [:data] when [:persist] filename ||= case when Path === source source when (source.respond_to?(:filename) and source.filename) source.filename when source.respond_to?(:cmd) "CMD-#{Misc.digest(source.cmd)}" when TSV === source "TSV[#{Misc.digest Misc.fingerprint(source)}]" else source.object_id.to_s end filename ||= source.object_id.to_s path = persistence_path(filename, , ) if is_persisted? path and not [:update] Log.debug "TSV persistence up-to-date: #{ path }" lock_filename = Persist.persistence_path(path, {:dir => Rbbt.tmp.tsv_open_locks.find}) return Misc.lock(lock_filename) do open_tokyocabinet(path, false, nil, [:engine] || TokyoCabinet::HDB); end else Log.medium "TSV persistence creating: #{ path }" end FileUtils.rm path if File.exists? path data = open_tokyocabinet(path, true, [:serializer], [:engine] || TokyoCabinet::HDB) data.serializer = :type if TSV === data and data.serializer.nil? data.close data else {} end begin if data.respond_to? :persistence_path and data != [:data] data.write_and_close do yield data end else yield data end rescue Exception FileUtils.rm path if path and File.exists? path raise $! ensure begin data.close if data.respond_to? :close rescue raise $! end end data.read if data.respond_to? :read and ((data.respond_to?(:write?) and data.write?) or (data.respond_to?(:closed?) and data.closed?)) data end |
.persistence_path(file, persist_options = {}, options = {}) ⇒ Object
50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 |
# File 'lib/rbbt/persist.rb', line 50 def self.persistence_path(file, = {}, = {}) persistence_file = Misc. , :file return persistence_file unless persistence_file.nil? prefix = Misc. , :prefix if prefix.nil? perfile = file.gsub(/\//, '>') else perfile = prefix.to_s + ":" + file.gsub(/\//, '>') end if .include? :filters [:filters].each do |match,value| perfile = perfile + "&F[#{match}=#{Misc.digest(value.inspect)}]" end end persistence_dir = Misc.(, :dir) || Persist.cachedir Path.setup(persistence_dir) unless Path === persistence_dir filename = perfile.gsub(/\s/,'_').gsub(/\//,'>') = .delete :unnamed .delete "unnamed" filename = filename[0..MAX_FILE_LENGTH] << Misc.digest(filename[MAX_FILE_LENGTH+1..-1]) if filename.length > MAX_FILE_LENGTH + 10 = Misc.hash2md5 filename << ":" << unless .empty? persistence_dir[filename].find end |
.save_file(path, type, content) ⇒ Object
124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 |
# File 'lib/rbbt/persist.rb', line 124 def self.save_file(path, type, content) return if content.nil? case (type || "nil").to_sym when :nil nil when :boolean Open.write(path, content ? "true" : "false") when :fwt content.file.seek 0 Open.write(path, content.file.read) when :tsv Open.write(path, content.to_s) when :annotations Open.write(path, Annotated.tsv(content, :all).to_s) when :string, :text Open.write(path, content) when :binary content.force_encoding("ASCII-8BIT") if content.respond_to? :force_encoding f = File.open(path, 'wb') f.puts content f.close content when :array if content.empty? Open.write(path, "") else Open.write(path, content * "\n" + "\n") end when :marshal_tsv Open.write(path, Marshal.dump(content.dup)) when :marshal Open.write(path, Marshal.dump(content)) when :yaml Open.write(path, YAML.dump(content)) when :float, :integer, :tsv Open.write(path, content.to_s) else raise "Unknown persistence: #{ type }" end end |