Class: Thrift::BaseProtocol

Inherits:
Object
  • Object
show all
Defined in:
lib/thrift/protocol/base_protocol.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(trans) ⇒ BaseProtocol

Returns a new instance of BaseProtocol.



46
47
48
 
# File 'lib/thrift/protocol/base_protocol.rb', line 46

def initialize(trans)
  @trans = trans
end

Instance Attribute Details

#trans ⇒ Object (readonly)

Returns the value of attribute trans.



44
45
46
 
# File 'lib/thrift/protocol/base_protocol.rb', line 44

def trans
  @trans
end

Instance Method Details

#native? ⇒ Boolean

Returns:

  • (Boolean) 


50
51
52
53
 
# File 'lib/thrift/protocol/base_protocol.rb', line 50

def native?
  puts "wrong method is being called!"
  false
end

#read_binary ⇒ Object

Reads a Thrift Binary (Thrift String without encoding). All Strings will be returned with an Encoding of BINARY.

Returns a String.

Raises:

  • (NotImplementedError) 


220
221
222
 
# File 'lib/thrift/protocol/base_protocol.rb', line 220

def read_binary
  raise NotImplementedError
end

#read_bool ⇒ Object

Raises:

  • (NotImplementedError) 


185
186
187
 
# File 'lib/thrift/protocol/base_protocol.rb', line 185

def read_bool
  raise NotImplementedError
end

#read_byte ⇒ Object

Raises:

  • (NotImplementedError) 


189
190
191
 
# File 'lib/thrift/protocol/base_protocol.rb', line 189

def read_byte
  raise NotImplementedError
end

#read_double ⇒ Object

Raises:

  • (NotImplementedError) 


205
206
207
 
# File 'lib/thrift/protocol/base_protocol.rb', line 205

def read_double
  raise NotImplementedError
end

#read_field_begin ⇒ Object

Raises:

  • (NotImplementedError) 


161
162
163
 
# File 'lib/thrift/protocol/base_protocol.rb', line 161

def read_field_begin
  raise NotImplementedError
end

#read_field_end ⇒ Object 



165
 
# File 'lib/thrift/protocol/base_protocol.rb', line 165

def read_field_end; nil; end

#read_i16 ⇒ Object

Raises:

  • (NotImplementedError) 


193
194
195
 
# File 'lib/thrift/protocol/base_protocol.rb', line 193

def read_i16
  raise NotImplementedError
end

#read_i32 ⇒ Object

Raises:

  • (NotImplementedError) 


197
198
199
 
# File 'lib/thrift/protocol/base_protocol.rb', line 197

def read_i32
  raise NotImplementedError
end

#read_i64 ⇒ Object

Raises:

  • (NotImplementedError) 


201
202
203
 
# File 'lib/thrift/protocol/base_protocol.rb', line 201

def read_i64
  raise NotImplementedError
end

#read_list_begin ⇒ Object

Raises:

  • (NotImplementedError) 


173
174
175
 
# File 'lib/thrift/protocol/base_protocol.rb', line 173

def read_list_begin
  raise NotImplementedError
end

#read_list_end ⇒ Object 



177
 
# File 'lib/thrift/protocol/base_protocol.rb', line 177

def read_list_end; nil; end

#read_map_begin ⇒ Object

Raises:

  • (NotImplementedError) 


167
168
169
 
# File 'lib/thrift/protocol/base_protocol.rb', line 167

def read_map_begin
  raise NotImplementedError
end

#read_map_end ⇒ Object 



171
 
# File 'lib/thrift/protocol/base_protocol.rb', line 171

def read_map_end; nil; end

#read_message_begin ⇒ Object

Raises:

  • (NotImplementedError) 


149
150
151
 
# File 'lib/thrift/protocol/base_protocol.rb', line 149

def read_message_begin
  raise NotImplementedError
end

#read_message_end ⇒ Object 



153
 
# File 'lib/thrift/protocol/base_protocol.rb', line 153

def read_message_end; nil; end

#read_set_begin ⇒ Object

Raises:

  • (NotImplementedError) 


179
180
181
 
# File 'lib/thrift/protocol/base_protocol.rb', line 179

def read_set_begin
  raise NotImplementedError
end

#read_set_end ⇒ Object 



183
 
# File 'lib/thrift/protocol/base_protocol.rb', line 183

def read_set_end; nil; end

#read_string ⇒ Object

Reads a Thrift String. All Strings will be returned with an Encoding of UTF-8.

Returns a String.

Raises:

  • (NotImplementedError) 


212
213
214
 
# File 'lib/thrift/protocol/base_protocol.rb', line 212

def read_string
  raise NotImplementedError
end

#read_struct_begin ⇒ Object

Raises:

  • (NotImplementedError) 


155
156
157
 
# File 'lib/thrift/protocol/base_protocol.rb', line 155

def read_struct_begin
  raise NotImplementedError
end

#read_struct_end ⇒ Object 



159
 
# File 'lib/thrift/protocol/base_protocol.rb', line 159

def read_struct_end; nil; end

#read_type(field_info) ⇒ Object

Reads a field value based on the field information.

field_info - A Hash containing the pertinent data to write:

:type   - The Thrift::Types constant that determines how the value is written.
:binary - A flag that indicates if Thrift::Types::STRING is a binary string (string without encoding).

Returns the value read; object type varies based on field_info.



311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
 
# File 'lib/thrift/protocol/base_protocol.rb', line 311

def read_type(field_info)
  # if field_info is a Integer, assume it is a Thrift::Types constant
  # convert it into a field_info Hash for backwards compatibility
  if field_info.is_a? Integer
    field_info = {:type => field_info}
  end

  case field_info[:type]
  when Types::BOOL
    read_bool
  when Types::BYTE
    read_byte
  when Types::DOUBLE
    read_double
  when Types::I16
    read_i16
  when Types::I32
    read_i32
  when Types::I64
    read_i64
  when Types::STRING
    if field_info[:binary]
      read_binary
    else
      read_string
    end
  when Types::UUID
    read_uuid
  else
    raise NotImplementedError
  end
end

#read_uuid ⇒ Object

Reads a UUID as 16 bytes and returns it as a string.

Returns a String (e.g. “550e8400-e29b-41d4-a716-446655440000”).

Raises:

  • (NotImplementedError) 


227
228
229
 
# File 'lib/thrift/protocol/base_protocol.rb', line 227

def read_uuid
  raise NotImplementedError
end

#skip(type) ⇒ Object 



344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
 
# File 'lib/thrift/protocol/base_protocol.rb', line 344

def skip(type)
  case type
  when Types::BOOL
    read_bool
  when Types::BYTE
    read_byte
  when Types::I16
    read_i16
  when Types::I32
    read_i32
  when Types::I64
    read_i64
  when Types::DOUBLE
    read_double
  when Types::STRING
    read_string
  when Types::UUID
    read_uuid
  when Types::STRUCT
    read_struct_begin
    while true
      name, type, id = read_field_begin
      break if type == Types::STOP
      skip(type)
      read_field_end
    end
    read_struct_end
  when Types::MAP
    ktype, vtype, size = read_map_begin
    size.times do
      skip(ktype)
      skip(vtype)
    end
    read_map_end
  when Types::SET
    etype, size = read_set_begin
    size.times do
      skip(etype)
    end
    read_set_end
  when Types::LIST
    etype, size = read_list_begin
    size.times do
      skip(etype)
    end
    read_list_end
  else
    raise ProtocolException.new(ProtocolException::INVALID_DATA, 'Invalid data')
  end
end

#to_s ⇒ Object 



395
396
397
 
# File 'lib/thrift/protocol/base_protocol.rb', line 395

def to_s
  "#{trans.to_s}"
end

#write_binary(buf) ⇒ Object

Writes a Thrift Binary (Thrift String with no encoding). The String passed will forced into BINARY encoding.

buf - The String to write.

Returns nothing.

Raises:

  • (NotImplementedError) 


136
137
138
 
# File 'lib/thrift/protocol/base_protocol.rb', line 136

def write_binary(buf)
  raise NotImplementedError
end

#write_bool(bool) ⇒ Object

Raises:

  • (NotImplementedError) 


95
96
97
 
# File 'lib/thrift/protocol/base_protocol.rb', line 95

def write_bool(bool)
  raise NotImplementedError
end

#write_byte(byte) ⇒ Object

Raises:

  • (NotImplementedError) 


99
100
101
 
# File 'lib/thrift/protocol/base_protocol.rb', line 99

def write_byte(byte)
  raise NotImplementedError
end

#write_double(dub) ⇒ Object

Raises:

  • (NotImplementedError) 


115
116
117
 
# File 'lib/thrift/protocol/base_protocol.rb', line 115

def write_double(dub)
  raise NotImplementedError
end

#write_field(*args) ⇒ Object

Writes a field based on the field information, field ID and value.

field_info - A Hash containing the definition of the field:

:name   - The name of the field.
:type   - The type of the field, which must be a Thrift::Types constant.
:binary - A Boolean flag that indicates if Thrift::Types::STRING is a binary string (string without encoding).

fid - The ID of the field. value - The field’s value to write; object type varies based on :type.

Returns nothing.



241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
 
# File 'lib/thrift/protocol/base_protocol.rb', line 241

def write_field(*args)
  if args.size == 3
    # handles the documented method signature - write_field(field_info, fid, value)
    field_info = args[0]
    fid = args[1]
    value = args[2]
  elsif args.size == 4
    # handles the deprecated method signature - write_field(name, type, fid, value)
    field_info = {:name => args[0], :type => args[1]}
    fid = args[2]
    value = args[3]
  else
    raise ArgumentError, "wrong number of arguments (#{args.size} for 3)"
  end

  write_field_begin(field_info[:name], field_info[:type], fid)
  write_type(field_info, value)
  write_field_end
end

#write_field_begin(name, type, id) ⇒ Object

Raises:

  • (NotImplementedError) 


67
68
69
 
# File 'lib/thrift/protocol/base_protocol.rb', line 67

def write_field_begin(name, type, id)
  raise NotImplementedError
end

#write_field_end ⇒ Object 



71
 
# File 'lib/thrift/protocol/base_protocol.rb', line 71

def write_field_end; nil; end

#write_field_stop ⇒ Object

Raises:

  • (NotImplementedError) 


73
74
75
 
# File 'lib/thrift/protocol/base_protocol.rb', line 73

def write_field_stop
  raise NotImplementedError
end

#write_i16(i16) ⇒ Object

Raises:

  • (NotImplementedError) 


103
104
105
 
# File 'lib/thrift/protocol/base_protocol.rb', line 103

def write_i16(i16)
  raise NotImplementedError
end

#write_i32(i32) ⇒ Object

Raises:

  • (NotImplementedError) 


107
108
109
 
# File 'lib/thrift/protocol/base_protocol.rb', line 107

def write_i32(i32)
  raise NotImplementedError
end

#write_i64(i64) ⇒ Object

Raises:

  • (NotImplementedError) 


111
112
113
 
# File 'lib/thrift/protocol/base_protocol.rb', line 111

def write_i64(i64)
  raise NotImplementedError
end

#write_list_begin(etype, size) ⇒ Object

Raises:

  • (NotImplementedError) 


83
84
85
 
# File 'lib/thrift/protocol/base_protocol.rb', line 83

def write_list_begin(etype, size)
  raise NotImplementedError
end

#write_list_end ⇒ Object 



87
 
# File 'lib/thrift/protocol/base_protocol.rb', line 87

def write_list_end; nil; end

#write_map_begin(ktype, vtype, size) ⇒ Object

Raises:

  • (NotImplementedError) 


77
78
79
 
# File 'lib/thrift/protocol/base_protocol.rb', line 77

def write_map_begin(ktype, vtype, size)
  raise NotImplementedError
end

#write_map_end ⇒ Object 



81
 
# File 'lib/thrift/protocol/base_protocol.rb', line 81

def write_map_end; nil; end

#write_message_begin(name, type, seqid) ⇒ Object

Raises:

  • (NotImplementedError) 


55
56
57
 
# File 'lib/thrift/protocol/base_protocol.rb', line 55

def write_message_begin(name, type, seqid)
  raise NotImplementedError
end

#write_message_end ⇒ Object 



59
 
# File 'lib/thrift/protocol/base_protocol.rb', line 59

def write_message_end; nil; end

#write_set_begin(etype, size) ⇒ Object

Raises:

  • (NotImplementedError) 


89
90
91
 
# File 'lib/thrift/protocol/base_protocol.rb', line 89

def write_set_begin(etype, size)
  raise NotImplementedError
end

#write_set_end ⇒ Object 



93
 
# File 'lib/thrift/protocol/base_protocol.rb', line 93

def write_set_end; nil; end

#write_string(str) ⇒ Object

Writes a Thrift String. The String passed will be transcoded to UTF-8.

str - The String to write.

Raises EncodingError if the transcoding to UTF-8 fails.

Returns nothing.

Raises:

  • (NotImplementedError) 


126
127
128
 
# File 'lib/thrift/protocol/base_protocol.rb', line 126

def write_string(str)
  raise NotImplementedError
end

#write_struct_begin(name) ⇒ Object

Raises:

  • (NotImplementedError) 


61
62
63
 
# File 'lib/thrift/protocol/base_protocol.rb', line 61

def write_struct_begin(name)
  raise NotImplementedError
end

#write_struct_end ⇒ Object 



65
 
# File 'lib/thrift/protocol/base_protocol.rb', line 65

def write_struct_end; nil; end

#write_type(field_info, value) ⇒ Object

Writes a field value based on the field information.

field_info - A Hash containing the definition of the field:

:type   - The Thrift::Types constant that determines how the value is written.
:binary - A Boolean flag that indicates if Thrift::Types::STRING is a binary string (string without encoding).

value - The field’s value to write; object type varies based on field_info.

Returns nothing.



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
294
295
296
297
298
299
300
301
302
 
# File 'lib/thrift/protocol/base_protocol.rb', line 269

def write_type(field_info, value)
  # if field_info is a Integer, assume it is a Thrift::Types constant
  # convert it into a field_info Hash for backwards compatibility
  if field_info.is_a? Integer
    field_info = {:type => field_info}
  end

  case field_info[:type]
  when Types::BOOL
    write_bool(value)
  when Types::BYTE
    write_byte(value)
  when Types::DOUBLE
    write_double(value)
  when Types::I16
    write_i16(value)
  when Types::I32
    write_i32(value)
  when Types::I64
    write_i64(value)
  when Types::STRING
    if field_info[:binary]
      write_binary(value)
    else
      write_string(value)
    end
  when Types::UUID
    write_uuid(value)
  when Types::STRUCT
    value.write(self)
  else
    raise NotImplementedError
  end
end

#write_uuid(uuid) ⇒ Object

Writes a UUID as 16 bytes.

uuid - The UUID string to write (e.g. “550e8400-e29b-41d4-a716-446655440000”).

Returns nothing.

Raises:

  • (NotImplementedError) 


145
146
147
 
# File 'lib/thrift/protocol/base_protocol.rb', line 145

def write_uuid(uuid)
  raise NotImplementedError
end