Scrooge Changelog¶

Below is a list of changes for each Scrooge release

Note that PHAB_ID=# and RB_ID=# correspond to associated messages in commits.

Unreleased¶

22.7.0¶

New Features¶

scrooge-generator: Introduce a AnnotatedFieldType to abstract type annotations from FieldType definitions. Currently used to propagate thrift annotations inside of collection types. PHAB_ID=D911997 PHAB_ID=D937932
scrooge-core: c.t.scrooge.ThriftUnion.fieldInfoForUnionClass API for retrieving ThriftStructFieldInfo for a ThriftUnion member class without having to instantiate it. PHAB_ID=D871986
scrooge-generator: Add @.generated annotation to Swift generated code PHAB_ID=D879262
scrooge-generator: Provide a $STRUCT#unsetFields method to allow bulk unsets PHAB_ID=D911135
scrooge-generator: support thrift validations on nested fields that are struct, union, and exception PHAB_ID=D911262

22.4.0¶

No Changes

22.3.0¶

New Features¶

scrooge-core: c.t.scrooge.ThriftEnumObject.forEnumClass API for retrieving ThriftEnumObject for a ThriftEnum class. PHAB_ID=D859929
scrooge-generator: for each method defined in a service in the Thrift IDL, if any request arg of a method has annotations started with validation., in Java template, generate a new trait ServerValidationMixin with a new API violationReturning<method_name> which validates incoming request (of Struct, Union, Exception types) and return any violations (as method parameters <request_variable>Violations) back to the users in the method API. PHAB_ID=D840524

Breaking API Changes¶

scrooge-core: ThriftUnion is now defined to extend ThriftStruct. In practice, this is not a significant change as all Scrooge-generated classes that implement ThriftUnion also implement ThriftStruct. We just made the invariant that unions are always structs explicit in the type system. PHAB_IB=D854592
scrooge-core: ThriftEnumObject now has an additional method, annotations. In practice, all Scrooge-generated ThriftEnumObject implementations already had this member, it is now just made accessible as a strongly typed member on the trait. PHAB_IB=D859929

Runtime Behavior Changes¶

scrooge: Bump version of Jackson to 2.13.2. PHAB_ID=D848592

22.2.0¶

New Features¶

scrooge-core: c.t.scrooge.ThriftStructCodec.forStructClassTag API for retrieving the codec for a struct or union class given a class tag or manifest and c.t.scrooge.ThriftStructMetadata.forStructClassTag for retrieving its metadata. PHAB_ID=D834052
scrooge-core: c.t.scrooge.ThriftStructCodec.forStructClass API for retrieving codec for a struct or union class and c.t.scrooge.ThriftStructMetadata.forStructClass for similarly retrieving its metadata. PHAB_ID=D825675
scrooge-generator: for each method defined in a service in the Thrift IDL, if any request arg of a method has annotations started with validation., generate a new trait ServerValidationMixin with a new API violationReturning<method_name> which validates incoming request (of Struct, Union, Exception types) and return any violations (as method parameters <request_variable>Violations) back to the users in the method API. PHAB_ID=D799294

Breaking API Changes¶

scrooge-generator: the c.t.scrooge.frontend.ThriftParser now always throws exceptions rather than warnings when a fieldname matches a reserved keyword. See c.t.scrooge.frontend.ThriftKeywords for the full list of disallowed keywords. PHAB_ID=D814995

22.1.0¶

No Changes

21.12.0¶

No Changes

21.11.0¶

Runtime Behavior Changes¶

scrooge-serializer: concrete implementations of the ThriftStructSerializer trait in the c.t.scrooge. package now cache the value of its maxReusableBufferSize flag for the duration of the application. This improves performance but also makes them not observe changes to the flag. The value of this flag typically does not change during run time of an application, so this is deemed an acceptable tradeoff. PHAB_ID=D783669
scrooge-generator: support language-flag “immutable-sequences” to generate Scala 2.13 compatible scala.Seq alias as scala.collection.immutable.Seq. and allows toggling the new behavior via language-flag during code generation. PHAB_ID=D793036

21.10.0¶

No Changes

21.9.0¶

Breaking API Changes¶

scrooge-generator: Dropped the generic (higher-kinded-types) service interface in scala-gen, users are recommended to use YourService.MethodPerEndpoint, YourService.ServicePerEndpoint and YourService.ReqRepServicePerEndpoint to represent Thrift service endpoints. Note, -finagle option is required to generated finagle binding code. PHAB_ID=D747744
scrooge-generator: Removed YourService.FutureIface and YourService[Future] in scala-gen, use $YourService.MethodPerEndpoint instead. Correspondingly, YourService$FinagleService and related constructors taking MethodPerEndpoint as parameters. PHAB_ID=D747744
Scrooge-generator: Dropped ThriftServiceBuilder.build and MethodIfaceBuilder.newMethodIface. PHAB_ID=D747744
scrooge-generator: Add reserved keywords to ThriftParser. If your field names match these keywords, you may need to modify them. This change should not affect backwards and forwards compatiblility if using binary protocol for serde. PHAB_ID=D707116

21.8.0 (No 21.7.0 Release)¶

Runtime Behavior Changes¶

scrooge: Update ScalaCheck to version 1.15.4. scrooge-sbt-plugin and scrooge-generator still use the older version 1.14.3 because they compile with Scala 2.10. PHAB_ID=D691691

21.6.0¶

No Changes

21.5.0¶

scrooge-generator: Modify struct field names when they match Java keywords by adding an underscore prefix to the field name. PHAB_ID=D659871

21.4.0¶

No Changes

21.3.0¶

Runtime Behavior Changes¶

scrooge: Revert to scala version 2.12.12 due to https://github.com/scoverage/sbt-scoverage/issues/319 PHAB_ID=D635917
scrooge: Bump scala version to 2.12.13 PHAB_ID=D632567

Breaking API Changes¶

scrooge: Builds are now only supported for Scala 2.12+ PHAB_ID=D631091

21.2.0¶

No Changes

21.1.0¶

scrooge: Scrooge uses better size estimate for Map/Set containers in read() to improve performance in Java. PHAB_ID=D599495

20.12.0¶

scrooge: Make options parser a separate class. All fields of com.twitter.scrooge.Compiler class are changed to immutable types. PHAB_ID=D561738
scrooge-generator: Java throws an exception when encountering incorrect field types in a struct while deserializing. PHAB_ID=D565373
scrooge-generator: Scrooge no longer fails to parse Thrift IDL when annotations are used on the individual components of a ‘container type’ (e.g. list, set, map). Those types of annotations are not currently used by scrooge, instead they are skipped over and discarded, but the IDL no longer fails to parse when they are encountered. PHAB_ID=D583284
scrooge-generator: Scrooge preallocates containers to the correct size on the deepCopy operation to improve performance in Java. PHAB_ID=D590776

20.10.0¶

No Changes

20.9.0¶

No Changes

20.8.1¶

scrooge-generator: The Scala generator no longer generates Proxy classes on structs by default. These can be opted into on a struct-by-struct basis by adding a Thrift annotation to a struct, (com.twitter.scrooge.scala.generateStructProxy = “true”). See struct Request in scrooge-generator-tests/src/test/resources/gold_file_input/gold.thrift for an example. PHAB_ID=D535795
scrooge-generator: Fixed a bug in the Java generated code where responses were often deserialized twice. PHAB_ID=D526316
scrooge-generator: Java-generated ServiceIface interfaces now extend c.t.f.thrift.AbstractThriftService. PHAB_ID=D528659
scrooge-generator: Reduced the size of generated Scala code. PHAB_ID=D527920

20.8.0 (DO NOT USE)¶

scrooge: replace deprecated ScalaTest 3.0 API with ScalaTest 3.1/3.2 API. PHAB_ID=D525860
scrooge-core: Change c.t.scrooge.ThriftStructMetaData from an abstract class to a trait to allow for mixin to classes that already extend other classes. PHAB_ID=D529101

20.7.0¶

scrooge-core: c.t.scrooge.ThriftStructMetaData has been changed from a concrete class to an abstract class with different implementations. To construct an object of ThriftStructMetaData, please now use one of the apply methods in the ThrifStructMetaData companion object. PHAB_ID=D514638
scrooge-generator: Removed experiment-flag argument and replaced it with language-flag. Updated GeneratorFactory object and trait to match. PHAB_ID=D508950

20.6.0¶

No Changes

20.5.0¶

No Changes

scrooge: Update sbt-bintray plugin to 0.5.6 which supports passing environment variables BINTRAY_USER and BINTRAY_PASS for username and password credentials respectively. PHAB_ID=D478276
scrooge-generator: Close open files in Importer. PHAB_ID=D485588

20.4.1¶

scrooge-generator: Respect the proper order of separators in function declarations. PHAB_ID=D467476
scrooge-generator: Optimized generated Scala code for compile time and smaller bytecode. Companion objects for thrift enum traits are no longer case objects. PHAB_ID=D454297

20.4.0 (DO NOT USE)¶

No Changes

20.3.0¶

scrooge-generator: Add the ability to use a type in a file before you declare it. PHAB_ID=D441871

20.2.1¶

scrooge-linter: Removed the TransitivePersistence and DocumentedPersisted lint rules, as they aren’t useful outside of Twitter. PHAB_ID=D433359
scrooge-linter: Added the ability to load additional LintRule implementations dynamically via com.twitter.app.LoadService. PHAB_ID=D433359

20.1.0¶

scrooge-core: Remove deprecated ServiceIfaceServiceType and toServiceIfaceService. PHAB_ID=D418999

19.12.0¶

No Changes

19.11.0¶

scrooge: Add initial support for JDK 11 compatibility. PHAB_ID=D365075
scrooge-core: Add StructBuilderFactory to c.t.scrooge.ThriftStruct for Scala generated code. PHAB_ID=D383568

19.10.0¶

scrooge-generator: Make isset BitSet final in Java generated thrift classes. PHAB_ID=D374553
scrooge-generator: Return Nil for exceptionFields when no exceptions declared in Scala service. PHAB_ID=D374436
scrooge-generator: Use empty instances as defaults for Seq, Map, Set for Scala generated code. PHAB_ID=D375306
scrooge-generator: Use wrapper class valueOf in apachejavagen’s getFieldValue. PHAB_ID=D374413
scrooge-linter: Warn when function names are reserved words. Add support for reserved words in Javascript and Go. PHAB_ID=D379008
scrooge-core: Add annotations method to c.t.scrooge.ThriftEnum to make the annotations more accessible in (only) the Scala generated code. PHAB_ID=D380663

19.9.0¶

scrooge-generator: Introduce i8 type identifier as an alias for byte type. PHAB_ID=D351820

19.8.0¶

scrooge-generator: The deprecated ReqRepThriftServiceBuilder has been removed. PHAB_ID=D345740

19.7.0¶

scrooge-generator: A deprecated $FinagleClient constructor which does not use RichClientParam has been removed. PHAB_ID=D335831

19.6.0¶

No Changes

19.5.1¶

No Changes

19.5.0¶

scrooge-generator: Extensions of (ReqRep)ServicePerEndpoint now provide a proper filtered method by default. PHAB_ID=D309920

19.4.0¶

No Changes

19.3.0¶

No Changes

19.2.0¶

No Changes

19.1.0¶

Update asm, cglib, jmock dependencies PHAB_ID=D250175
scrooge-generator: Add an immutable argument to Generator#genType that makes it easier to use immutable types when generating constants. PHAB_ID=D270863

18.12.0¶

scrooge-generator: Set a LocalContext value with the current Thrift method in the generated Java and Scala code such that the application Service[-R, +R] being executed has access to information about the current Thrift method being invoked. PHAB_ID=D241295

18.11.0¶

scrooge-generator: Allow for Filter.TypeAgnostic filters to be applied to a generated Java Service via a new constructor that takes an additional argument of a Filter.TypeAgnostic. This filter is then applied per generated method service. PHAB_ID=D235709

18.10.0¶

scrooge: Add type annotations to public members in generated code. PHAB_ID=D229710

18.9.1¶

scrooge: Finally remove maven.twttr.com as a dependency or plugin repository. With the update to a more recent libthrift dependency, this should no longer be necessary. PHAB_ID=D219665

18.9.0¶

New Features¶

scrooge-generator: Scala and Java generated Thrift exceptions now implement c.t.f.FailureFlags. This allows exceptions to carry Finagle metadata such as non-retryable. PHAB_ID=D204132

18.8.0¶

scrooge-core: Add interface for Scala generated Enum objects. PHAB_ID=D197147
scrooge-core: Trait c.t.scrooge.ThriftService is now c.t.finagle.thrift.ThriftServiceMarker. Scrooge generated service objects now all inherit from c.t.finagle.thrift.ThriftService. Also, the AsClosableMethodName string was formerly part of c.t.finagle.thrift.ThriftService, but now is defined in the c.t.scrooge package object. PHAB_ID=D180341
scrooge-generator: Thrift service objects now contain unsafeBuildFromMethods, which constructs a ReqRepServicePerEndpoint from a map of ThriftMethod -> ThriftMethod.ReqRepServicePerEndpointServiceType. It is unsafe because the types are not checked upon service construction, only when a request is attempted. PHAB_ID=D180341

18.7.0¶

scrooge-adaptive: Turn the scrooge-adaptive back on as default in ScroogeRunner. PHAB_ID=D187772`

18.6.0¶

No Changes

18.5.0¶

scrooge-generator: Add support for construction_required fields in cocoa. PHAB_ID=D163127
scrooge-generator: Add cocoa initializer for each field in union. PHAB_ID=D156591
scrooge-generator: Add support for empty struct in cocoa. PHAB_ID=D156539
scrooge-generator: Fix setter bug for non-primitive type in cocoa. PHAB_ID=D156605
scrooge-adaptive: Turn the scrooge-adaptive off as default in ScroogeRunner due to incompatibility with sbt > 1.0.2. PHAB_ID=D163144

18.4.0¶

scrooge-generator: Add support for construction_required fields. Add a validateNewInstance method to all generated scala companion objects. PHAB_ID=D148841
scrooge-core: Check for corruption in size meta field of container and throw an exception if size is found corrupted. PHAB_ID=D150057
scrooge: Upgrade libthrift to 0.10.0. PHAB_ID=D124620

18.3.0¶

scrooge-generator: Add support for mutually recursive structs. PHAB_ID=D134470

18.2.0¶

scrooge-generator: Add asClosable method to ServicePerEndpoint and ReqRepServicePerEndpoint interfaces as well. PHAB_ID=D134171
scrooge-generator: Remove unused functionToService and serviceToFunction methods along with ServiceType and ReqRepServiceType type aliases in order to simplify code generation.

NOTE: This functionality can be manually replicated by users if/when needed to convert between a Function1 and a Finagle Service. PHAB_ID=D132171
scrooge-generator: Scala generated client now has a asClosable method returns c.t.u.Closable, client now can be closed by calling client.asClosable.close. Note that asClosable won’t be generated if it is also defined by the user. PHAB_ID=D129645
scrooge-generator: Renamed subclasses of com.twitter.scrooge.RichResponse: ProtocolExceptionResponse, SuccessfulResponse, and ThriftExceptionResponse. These case classes are for representing different response types and should be only used by the generated code. PHAB_ID=D132202

18.1.0¶

scrooge-generator: Update c.t.fingale.thrit.service.MethodPerEndpointBuilder to build MethodPerEndpoint types. Add new ThriftServiceBuilder for building the higher-kinded form from a ServicePerEndpoint. Users should prefer using the MethodPerEndpointBuilder. PHAB_ID=D127538
scrooge-generator: Add more metadata to generated java objects PHAB_ID=D122997 Includes:
- struct and field annotations from the idl files
- which fields have default values
- which field values of TType.STRING are actually binary fields
scrooge: Add support for scrooge.Request and scrooge.Response types in generated ThriftMethod code. PHAB_ID=D122767

17.12.0¶

scrooge: Introduce scrooge.Request and scrooge.Response envelopes which are used in ReqRepServicePerEndpoint interfaces and associated code. The scrooge Request and Response allow for passing “header” information (via ThriftMux Message contexts) between clients and servers. For instance, a server can implement a ReqRepServicePerEndpoint, and set response headers along with a method response, e.g.,
```
class MyService extends MyService.ReqRepServicePerEndpoint {

  def foo: Service[Request[Foo.Args], Response[Foo.SuccessType]] = {
    Service.mk[Request[Foo.Args], Response[Foo.SuccessType]] { request: Request[Foo.Args] =>
      val result = ... // computations
      Future
        .value(
          Response(
            headers = Map("myservice.foo.header" -> Seq(Buf.Utf8("value1"))),
            result)
    }
  }
}
```
This ServicePerEndpoint can then be served using ThriftMux:
```
ThriftMux.server.serveIface(":9999", new MyService().toThriftService)
```
These response headers will be transported as Mux#contexts to the client. If the client is using the client-side ReqRepServicePerEndpoint it will be able to read the headers from the returned Response directly. E.g.,
```
val client = ThriftMux.client.reqRepServicePerEndpoint[MyService.ReqRepServicePerEndpoint]

val response: Response[Foo.SuccessType] = Await.result(client.foo(..))

if (response.headers.contains("myservice.foo.header")) {
  ...
```
Users can also choose to wrap the ReqRepServicePerEndpoint with a MethodPerEndpoint via ThriftMux.client.reqRepMethodPerEndpoint(reqRepServicePerEndpoint) in order to deal with methods instead of services. See the scrooge documentation for more information. PHAB_ID=D107397

17.11.0¶

scrooge-generator: Deprecated some scala generated classes and use new ones
- FutureIface -> MethodPerEndpoint,
- MethodIface -> MethodPerEndpoint.apply(),
- MethodIfaceBuilder -> MethodPerEndpointBuilder,
- BaseServiceIface -> ServicePerEndpoint,
- ServiceIface -> ServicePerEndpoint,
- ServiceIfaceBuilder -> ServicePerEndpointBuilder.
To construct a client use c.t.f.ThriftRichClient.servicePerEndpoint instead of newServiceIface, to convert ServicePerEndpoint to MethodPerEndpoint use c.t.f.ThriftRichClient.methodPerEndpoint instead of newMethodIface. PHAB_ID=D105791
scrooge-generator: (BREAKING API CHANGE) Change the java generator to no longer generate files with org.slf4j imports and remove limited usage of org.slf4j Logger in generated services. PHAB_ID=D108113

17.10.0¶

From now on, release versions will be based on release date in the format of YY.MM.x where x is a patch number. PHAB_ID=D101244
scrooge-generator: For generated scala $FinagleService, moved per-endpoint statsFilter to the outermost of filter chain so it can capture all exceptions, added per-endpoint response classification in statsFilter. PHAB_ID=D100649
scrooge-generator: Generated scala $FinagleClient takes a RichClientParam for all configuration params, such as TProtocolFactory, ResponseClassifier, maxReusableBufferSize, and StatsReceiver, $FinagleService takes a RichServerParam. PHAB_ID=D83190
scrooge-sbt-plugin: Renamed ScroogeSBT.thriftConfig to ScroogeSBT.ThriftConfig for sbt 1.0.0. PHAB_ID=D101910

4.20.0¶

No Changes

4.19.0¶

scrooge-generator: Generated scala/java code now is using serviceMap instead of functionMap for Finagle services’ method implementation. PHAB_ID=D73619 for scala and PHAB_ID=D76129 for java
scrooge-generator: Generated Java code now is using c.t.s.TReusableBuffer to reduce object allocations. This in turn adds scrooge-core as dependency for generated java code. PHAB_ID=D60406
scrooge-generator: support for thrift struct field doccomments for scala generated code RB_ID=918179
scrooge-generator: The MethodIface in generated Scala code implements FutureIface. It already “was” that type in practice but did not implement that trait. PHAB_ID=D67289
scrooge-generator: Generated Cocoa code now supports modular frameworks and removes some compiler warnings about implicit casts. PHAB_ID=D74200

4.18.0¶

scrooge-generator: Expose some methods of TemplateGenerator as static methods PHAB_ID=D60494
scrooge-generator-tests: Add ability for langauge implementations outside of scrooge directory to use GoldFileTest, expose generated files to subclasses of GoldFileTest, add option to keep generated files for debugging. PHAB_ID=D60494
scrooge-adaptive: Add support for adaptive decoding, that learns from field access patterns and optimizes the decoder to cheaply skip over unused fields. RB_ID=908416
scrooge-generator: Scala code generation support for annotations on enums RB_ID=917467

4.17.0¶

scrooge-core: To reduce object allocations, c.t.s.TFieldBlob now uses c.t.io.Buf, and add c.t.s.TReusableBuffer for providing thread-safe reusable buffer. RB_ID=914874
scrooge-core: Add dependency on util-core. RB_ID=914874

4.16.0¶

No Changes

4.15.0¶

scrooge-core: c.t.s.ThriftUnion adds methods containedValue and unionStructFieldInfo. These were already a part of the generated Scala implementations for unions, but now it is defined on the trait. RB_ID=909576
scrooge-core: Removed c.t.s.ThriftStructCodec deprecated encoder and decoder methods. Use encode and decode instead. RB_ID=909714
scrooge-core: Remove deprecated encoder and decoder methods from c.t.s.ThriftStructCodec. Use encode and decode instead. RB_ID=909714
scrooge-generator: Add parsing, AST, and Scala code generation support for annotations on enums, enum fields, services, and service methods. RB_ID=908556
scrooge-generator: Fix default values for collections in scala bindings RB_ID=908152
scrooge-generator: MethodIfaceBuilder#newMethodIface now returns a MethodIface. RB_ID=907700
scrooge-generator: Scala’s types for ServiceIfaces are now a Service from ThriftMethod.Args to ThriftMethod.SuccessType, instead of ThriftMethod.Args to ThriftMethod.Result. This is a breaking API change though it should generally be easy to adapt existing code to it. RB_ID=908846

4.14.0¶

No Changes

4.13.0¶

scrooge-linter: Add thrift definition linter warnings if generated thrift will exceed JVM HotSpot ClipInlining check. RB_ID=896379

4.12.0¶

scrooge-generator: Remove check for 22 args when generating scala ServiceIface. Now that we no longer support Scala 2.10 we can always generate a case class for the generated scala ServiceIface. RB_ID=882203
scrooge-generator: Don’t allow Structs and Typedefs with the same identifier. Structs and typedefs should not have the same name. This makes it difficult to properly support self-referencing types. RB_ID=881684
scrooge-generator: Fix pathological case for self-referencing types with Java generation. RB_ID=880813

4.11.0¶

scrooge-generator: Add support for self-referencing types from pinsri via https://github.com/twitter/scrooge/pull/244 RB_ID=873802
scrooge: Remove unmaintained bin/ directory. RB_ID=873411

4.10.0¶

No Changes

4.9.0¶

scrooge-core: c.t.scrooge.TReusableMemoryTransport now uses TUnboundedByteArrayOutputStream instead of TByteArrayOutputStream to avoid buffer reallocation on reset.

4.8.0¶

Breaking API Changes¶

scrooge-sbt-plugin: Allow scrooge to build bindings for more than one language. To reflect this, ScroogeSBT.autoImport.scroogeLanguage has been renamed to scroogeLanguages and is now a SettingKey[Seq[String]] instead of a SettingKey[String]. RB_ID=846198
Builds are now only for Java 8 and Scala 2.11. See the blog post for details. RB_ID=828898

4.7.0¶

scrooge-core, scrooge-generator: c.t.scrooge.ThriftEnum now includes an originalName method which represents the name as defined in the Thrift IDL file. RB_ID=820075

4.6.0¶

scrooge-ostrich: Removed scrooge-ostrich module
scrooge-runtime: Deleted unnecessary scrooge-runtime module
scrooge-generator: Remove broken experimental-java generator.

4.5.0¶

scrooge: Improve implementation of service#FunctionType

4.4.0¶

NOT RELEASED

4.3.0¶

scrooge: Rename __ServiceIface to BaseServiceIface
scrooge: Add methods for converting between function and service implementations of ThriftMethods.

4.2.0¶

bump finagle version to 6.30

4.1.0¶

bump finagle version to 6.29

4.0.0¶

scrooge: Scrooge 4.0.0 includes backward compatibility patches for Finagle service per endpoint generation. This allows using Thrift endpoints as Finagle Services and combining them with Filters.

3.x¶

3.20.0¶

scrooge: Generate a finagle Service per thrift method (Service interface)

3.19.0¶

scrooge: Performance improvements and bug fixes.
scrooge-sbt-plugin: Add output language support in scrooge-sbt-plugin.

3.18.1¶

scrooge-maven-plugin: Fix bug with plugin parameters.

3.18.0¶

scrooge: Support ignoring unknown enum ids.
scrooge: Output full exception chain in client stats.
scrooge: Add union metadata to generated scala code.
scrooge-maven-plugin: Resolve IDLs transitively; deprecate the dependencyIncludes option.
scrooge-sbt-plugin: Add thrift files to published artifact in sbt-plugin.
scrooge-sbt-plugin: Upgrade to autoPlugin.

3.17.0¶

scrooge: add is required to ThriftStructFieldInfo.
scrooge minor docs update: add logo and short description.
scrooge-serializer: Remove dependency on scrooge-runtime.
scrooge: Cache mustache resources to improve generation performance.
scrooge: Disallow identifiers that are thrift keywords.
scrooge: Remove SafeVarargs for JDK 6 compatibility.

3.16.6¶

scrooge-core: Added scala 2.11 support
scrooge-core: scrooge: add .withoutPassthrough method that recursively removes passthrough fields
scrooge-doc: Fix formatting in the CLI help page.
scrooge-linter: Cleaner logging and options.
scrooge-linter: remove invalid CONFIG.ini.
scrooge: prefer Protocols.binaryFactory over TBinaryProtocol.Factory

3.16.3¶

scrooge-core: Add union metadata for reflection
scrooge-doc: Clarify docs on CLI usage
scrooge-generator: Fix error message for missing required field
scrooge-generator: Modify compiler to accept a Scaladoc comment at the end of Thrift file
scrooge-generator: Normalize scalatest versions between poms and 3rdparty
scrooge-generator: Stricter checks for invalid Thrift filenames
scrooge-ostrich: Default to using Protocols.binaryFactory

3.16.1¶

release finagle v6.18.0
release util v6.18.0
scrooge-linter: Fix multiple arguments to linter + pants/mvn fixes
scrooge: Separate flow for linter
scrooge: Skip includes when linting

3.16.0¶

Upgrade dependencies to latest versions
scrooge: Move scrooge-linter into scrooge
scrooge: Add SimpleID.originalName for enum fields.

3.15.0¶

scrooge: Bumping finagle to 6.16.0
scrooge: Bump util to 6.16.1-SNAPSHOT

3.14.1¶

scrooge-generator: Allow union field names to match struct names

3.14.0¶

scrooge: Use scala.Option in all com.twitter.scrooge files to avoid conflict with com.twitter.scrooge.Option
scrooge: Allow for Longs as const values
scrooge: Make mustache parser threadsafe
scrooge: Removing scrooge-generated null checks for primitive Scala types
scrooge-ostrich: Add a flag for enabling ThriftMux

3.13.2¶

scrooge: bump finagle + util versions

3.13.1¶

scrooge-generator: Use OutputSreamWriter to write non ascii characters correctly.

3.13.0¶

scrooge: add sbt 0.13 variant of scrooge-sbt-plugin
scrooge: Add scrooge/scrooge-generator/BUILD
scrooge: enable structs for the RHS of consts in scala
scrooge: handle all shapes of RHS structs
scrooge: scrooge: expose IDL annotations in generated structs
scrooge: scrooge: throw an error when reading a field with the wrong type
scrooge: Test uses of scala.Product are fully qualified
scrooge: Thrift structs with fields named “n” can’t use productElement to get that field
scrooge: upgrade finagle to 6.13.1
scrooge: upgrade util to 6.13.2

3.12.3¶

scrooge: add the thrift root to the list of includes for scrooge
scrooge: Automatically whitelist all idl jar dependencies
scrooge: fixed issue when default value is enum from other namespace where namespace is missing in generated code
scrooge: Update mustache to 0.8.13
scrooge: update util to 6.12.0
scrooge: update finagle to 6.12.1
scrooge: update util to 6.12.1
scrooge: add extra fields to generated companion object for reflection use
scrooge: capture unknown union values as its own value (THRIFT-99)
scrooge: Update scrooge to remove date from Generated annotation so generated code is reproducible.

3.12.2¶

scrooge: Added missing writeFieldEnd() for passthrough fields
scrooge: Bump finagle to 6.11.1
scrooge: Bump util to 6.11.1
scrooge: WriteFieldStop during transfer

3.12.1¶

scrooge: properly handle field annotations

3.12.0¶

scrooge: use a TReusableMemoryTransport in finagle services
Bump guava to 15.0
scrooge-generator: trim some allocations from generated scala code
scrooge: use scalatest, remove specs
added scala namespace to demo
Rm all imports of scala.Some

3.11.2¶

scrooge: bump finagle to 6.10.1-SNAPSHOT, util to 6.10.1-SNAPSHOT
scrooge-generator: Attach thrift annotations to generated AST
scrooge-generator: Ensure enums with values of the same name will compile
scrooge-maven-plugin: Overwrite and warn if the current file is older

3.11.1¶

scrooge: bump finagle version to 6.8.0
scrooge: bump util version to 6.8.0
scrooge: secondary struct class constructors without _passthroughFields for backwards compatibility
scrooge-generator: fixed comment parsing bug

3.11.0¶

scrooge-generator: simplify synthesized structs For synthesized service method arg and results structs
scrooge-generator: special, scrooge-only syntax for scala namespace
scrooge-generator: don’t backquote scala identifiers in Enum.valueOf string constants

3.10.2¶

scrooge-generator: produce slimmer code, remove _passthroughFields from object apply method

3.10.1¶

scrooge-generator: default passthrough value, valid method names.

3.10.0¶

scrooge-serializer: simpler BinaryThriftStructSerializer builder
scrooge-maven-plugin: check for null from Artifact.getDependencyTrail

3.9.2¶

scrooge: support larger structs
scrooge: allow oneway
scrooge: always generate passthrough code

3.9.1¶

scrooge-generator: remove deprecation warnings removed deprecation warnings for FutureIface, FinagledClient, and FinagledServer. Since Jeff is working on finagle-free code generation, there is no good reason to push people off of these classes onto the replacements I added, only to deprecate those classes in the near future.
scrooge-generator: fixed imports for union

3.9.0¶

scrooge use scala option in metadata
provide type parameters in metadata
automatically whitelist all idl jar dependencies
fix scrooge build properties
bump finagle to 6.6.3-SNAPSHOT
scrooge: support backslash escapes
bump poms to finagle 6.6.1-SNAPSHOT
bump util to 6.5.1-SNAPSHOT

3.8.0¶

scrooge: passthrough field improvements
Scrooge doesn’t title case extended services properly
update scrooge demo
fix test breakage on sbt

3.7.0¶

scrooge-serializer: tighten up dependencies scrooge-serializer only needs to depend on scrooge-core, not scrooge-runtime (the pants BUILD file already did this).
We think that mustache actually handles the escaping so that this additional escaping is not needed.
bump util to 6.4.1-SNAPSHOT
scrooge-runtime => scrooge-core
properly qualify service parents
scrooge-ostrich: add thriftProtocolFactory as val The generated ThriftServer class has a thriftProtocolFactory field that some subclasses use.
scrooge: removed ostrich generation.
remove use of deprecated generated ostrich ThriftServer

3.6.0¶

scrooge-generator: fixed whitespace eating in strings ThriftParser extends RegexParsers.
scrooge-generator: Fixup java codegen issues surfaced by converting ads:ad-review-tests in science to scrooge.
scrooge-generator: add support for scala namepsace
scrooge-generator: Need to filter out items that are not set when rendering default struct values.
scrooge-maven-plugin: Make scrooge plugin find thrift files in idls when run only with reactor projects in a clean env
scrooge-generator: Allow default struct values in the java generator.
scrooge-ostrich: search harder for FutureIface
scrooge-generator: rename Service$ThriftServer to Service$OstrichThriftServer - fixes breakage under scala 2.10 - also removed ostrichService.java which wasn’t used
scrooge-generator: allow trailing comma at the end of a map

3.5.0¶

scrooge: breaking out finagle, higher-kinded-type interface
use apply instead of cons for enum list all
Cleanup around the TypeResolver
update ostrich related docs
scrooge-ostrich This review introduces a new, temporary scrooge subproject, which is intended to help in the migration away from generating ostrich code in scrooge.

3.4.0¶

BREAKING: remove list generation from enums (was causing compile errors. will revisit)
move TypeResolver and ParseException into the frontend package
create scrooge-core leaving legacy finagle code in scrooge-runtime. (scrooge-runtime will be deprecated soon)
treat non-letters as case-less
update docs and release process for twitter-server, scrooge
BREAKING: move serializer into its own project
keep the order of the values in the constant map in the parser. Should be a no-op for scala that converts it to a map in the generator
Remove the tracerFactory usage and use tracer instead.
create scrooge documentation site
tiny fix for oneway support

3.3.2¶

bugfix: collections of enums now identify as i32 on the wire

3.3.1¶

provide a mechanism for dynamicallly pluggable backends
make enum list of values lazy
remove the include mapping hack
fix maven plugin references includes

3.3.0¶

Documenation fixes
fix ThriftStructMetaData use camelCase method names to match generated code
maven-plugin: skip file copy from references if existing file is the same
POTENTIALLY BREAKING CHANGES:
Identify enum fields as TType.ENUM but maintain backward compatibility by identifying them as I32 on the wire
maven-plugin - do not extract dependencies into their own subdirectories

3.2.1¶

add list method to enums that lists all values
bugfix: ThriftUtil was not being imported for services
add ability to attach additional passthrough fields

3.2.0¶

BREAKING CHANGE: Make java gen experimental. There are changes coming down the pipe that will dramatically refactor java’s codegen.

3.1.10¶

do not use an intermedial val for passthroughs. Eliminates the possibility of a name collision
eliminate the possibility of namespace collision for “runtime”
revert identification of Enums and TType.ENUM (back to I32)
eliminate all use of ThriftUtil unless it’s needed

3.1.9¶

bump to util-6.3.6 / finagle-6.5.0
[EXPERIMENTAL] add ability to pass through additional fields enable with –enable-passthrough
Create the ability to map includes to directories to bridge scrooge2 and scrooge3 maven layouts
show the filename of the file being parsed in error messages
identify enums as TType.ENUM

3.1.8¶

generator: thrift idl containing UTF-8 produces java.nio.charset.UnmappableCharacterException
generator: Replace backslash with forward slash in file URI
sbt-plugin: Include (and optionally compile) external thrift files.
generator: remove unnecessary apply method for decode (causes issues with named args)

3.1.7¶

Use explicit version numbers

3.1.6¶

Depend on the latest patch version of util/finagle

3.1.5¶

add back the –import-path flag as a deprecation step
add sbt-plugin
use maven as the build system for the maven plugin

3.1.2¶

BREAKING CHANGE: In the maven plugin: change the dependentConfigs param to dependentIncludes
optimize empty collections on deserialization
upgrade to finagle 6.4.0 and util 6.3.4

3.1.1¶

BREAKING CHANGE: We finally made scrooge-runtime to be backward with Scrooge 2. This requires a name change for the ThriftStructCodec. From now on, all objects generated by Scrooge 3 will use ThriftStructCodec3. This will affect you only if your code is using ThriftStructCodec directly, which is not common.
scrooge now releases jar-with-dependencies
add language option tag to scrooge-maven-plugin, thanks to @eirslett
some directory reorganization of the demos

3.1.0¶

Dependency changes: now on util/finagle 6.3.0
demo project now shows how to construct finagle server and client using generated code
–ostrich flag implies –finagle flag

3.0.9¶

Remove “provided” scope of finagle in scrooge-runtime. So it brings Finagle 6.1.0 as transit dependency to your project
Make the generated Scala code backward compatible with Finagle 5. The impact to users on Finagle 6 is that you will see a lot of warnings saying that tracerFactory is deprecated.

3.0.8¶

When scrooge-maven-plugin extracts Thrift files from a dependency artifact, it now puts them in a sub folder named after the artifact id. This way, the user project can use same-named Thrift files from different artifacts.
Title case and camel case more consistent with previous version before 3.0.7 We still preserve consecutive upper cases but not in an all-up-case string, eg:

TBird (original) -> tBird (camel case) -> TBird (title case)
HTML (original) -> html (camel case) -> Html (title case)

Thanks to @erikvanoosten - Finagle client can throw exception on void function.
Thanks to @brancek - Support documentation on enum values.
Thanks to @erikvanoosten - Reorganizing test folder, and add Apache standard test

3.0.7¶

All on-wire names in the Thrift messages are now consistent with Apache generated code. This allows Scrooge generated services to exchange Thrift messages with Apache generated services.
Title case ids now preserve consecutive upper case letters. Eg:

TBird (original) -> Tbird (old) -> TBird (now)

See test case in scrooge-generator/src/test/scala/com/twitter/scrooge/ASTSpec.scala

scrooge-maven-plugin now enforces an explicit white list in <dependencyConfig>. The old behavior is that if a dependency artifact has a “idl” classifier, we will extract thrift files from it to compile. The new behavior is that the artifact must be explicitly included in <dependencyConfig>. The dependencies here include both direct dependencies(specified in project pom file) and indirect dependencies (everything in the dependency tree).
Now supports “scala” as a namespace scope. It is treated same as “java”.
Now supports “*” as a default namespace scope

3.0.6¶

Released a scrooge-maven-plugin, for maven projects to integrate Scrooge in their pom files. Also released a demo of how to use scrooge-maven-plugin
scrooge-runtime is now backward compatible with scrooge-runtime 2.X.X. The following classes and methods are deprecated:
FinagleThriftClient
FinagleThriftService
ThriftStructCodec.decoder
ThriftStructCodec.encoder
scrooge-runtime now can introspect generated ThriftStruct. See the new ThriftStructMetaData class.
BREAKING: in scrooge-runtime, com.twitter.ScroogeOption is now renamed to just Option. This is mainly for Java code. But if you need to use it in Scala code, make sure to address ambiguity with scala.Option.
Updated APIs of scrooge-generator. See com.twitter.scrooge.Compiler class
Fix the stats reporting for the java scrooge thrift code generation

3.0.5¶

Bug fixes

Constant definitions now can be of “set” type.
Fix letter cases of enum fields(Java uses upper case; Scala uses title case)

Dependencies

Remove dependency on org.scalatest, com.twitter.scalatest (not in Maven Central)
Update dependency of util/finagle/ostrich to 6.1.0
Project dependencies are all in Maven Central now. You don’t need to have access to Twitter internal repository anymore.

3.0.4¶

Features:

add –dry-run option to parse and validate source thrift files, reports any errors, but does not emit any generated source code. It can be used with –gen-file-mapping to get the file mapping

Bug fixes

union types now can contain primitive types.
constants defined in the same file now can be referenced.

Dependencies

Update dependency of util/finagle/ostrich to 6.0.6

3.0.3¶

Scrooge artifacts now deploys to Maven central via Sonatype
Scrooge project builds in Travis CI
Features
Fully qualifying ids imported by “include” statements. We don’t generate “import” statements anymore.
Remove unnecessary finagle jar dependencies for vanilla generated code.
Add tests
non-finagle usage; see NonFinagleSpec.scala
struct immutability and deep copying; see ImmutableStructSpec.scala
Bug fixes
move “validate” method from Scala struct trait to object, so that the thrift struct can define a “validate” field without name clashing.

3.0.2¶

Adding a “–gen-file-map <path>” option to Scrooge command line. It tells what output files each input Thrift files generates, in the following format:

inputPath/input.thrift -> outputPath/Constants.scala
inputPath/input.thrift -> outputPath/FooStruct.scala

The generated enums now have a common trait ThriftEnum(defined in scrooge-runtime), that allows you to query the name as well as the value of the enum field.
The generated Scala enums now are Java-serializable.
The generated FinagledClient class takes val arguments to make “service”, “protocol” accessible:

class FinagledClient(
  val service: ...,
  val protocol: ...,
  val serviceName: ...
  stats: ...
)

3.0.1¶

Features and bug fixes

Doc comments are included in the generated code.
Generated exception structs now have getMessage() method
Generate header that emits Scrooge version
You can now import a directory or a Jar/Zip file through command line argument, which will be stored in a chain of paths maintained by Scrooge. Then refer to a file using relative path in the thrift “include” statement. Scrooge will locate the file in the path chain.
Introduce a “strict” mode that defaults to on. Unfavored syntax throws an exception when “strict” mode is on and prints a warning when it’s off. The strict mode can be disabled by specifying the “–disable-strict” argument.
The “oneway” modifier is treated as an OnewayNotSupportedException in strict mode and a warning in non-strict mode.
Support Union types. Given:

union Point {
  1: double x
  2: double y
  3: Color color = BLUE
}

// Scrooge generates:
sealed trait Point
object Point {
  case class X(x: Double) extends Point
  case class Y(y: Double) extends Point
  case class Count(color: Color = Color.Blue) extends Point
}

The "required" and "optional" modifiers in a union type will throw
exceptions in strict mode and print warnings in non-strict mode.

Have a common trait ThriftException for all the thrift exception structs.
Support cross file service inheritance. Now you can do include “foo.thrift” service MyService extends foo.FooService { … }
Bug fix: It couldn’t resolve a symbol imported through a relative path and threw an UndefinedSymbolException
Bug fix: namespace aliasing put the parentheses in the wrong place.
Bug fix: services using binary fields wouldn’t compile
Bug fix: cross-file const referencing didn’t work

Implementation updates

Project structure:
frontend: Importer and ThriftParser
mustache: everything related to mustache, including template parser, loader and handlebar
ast: Thrift AST definition
backend: code generation include various generators and dictionaries to hydrate Mustache templates.
Redefine clear and separate responsibilities of each components:
Move ID manipulation(concatenation, case conversion, keyword rewriting etc) to Generator phase.
Utilizing Scala static type checking to enforce scoping correctness by introducing SimpleID and QualifiedID to AST.
Enforce dictionary key uniqueness for nested Mustache templates.
Scrooge project is now on Maven
Delete obsolete code and tests

Dependencies:

Upgraded to util 5.3.13, finagle 5.3.30
Removed dependency on sbt
Add dependency on maven

3.0.0¶

Java code generation is now supported!
Scala code now generates a set of classes for each struct:
a base trait
an immutable case class (used as the default implementation)
a proxy trait (to make it easy to build proxy classes)
Moved scrooge-runtime into the same repo with scrooge, which is now called scrooge-generator. Both projects will keep version numbers in sync now.
Changed the way required/optional is treated on fields, and default values, to more closely match the way Apache Thrift works. (This is described in more detail in a new section of the README.)
Fixed constant sets.
Fixed thread safety in finagle ThriftServer.
Fixed the resolution of #include directives that follow relative paths.
Removed the finagle dependency from scrooge-runtime so that code generated with scrooge can be loosely coupled with finagle, or optionally not depend on finagle at all (if you don’t build finagle bindings).
Fixed typedef references that were relative to #included files.
Made various improvements to the internal template system.
Fixed test speed by using scrooge to generate code that the tests build against, avoiding runtime evaluation.

Dependencies:

Upgraded to thrift 0.8.0, util 4.0, and finagle 4.0.
Upgraded to sbt 0.11.2.
Upgraded to scala 2.9.2.

2.5.4¶

Addressed an issue where structs with the same name but from different namespaces/packages would conflict. Now using a package alias to disambiguate.

2.5.3¶

Minor bug fix for serviceName name class with.

2.4.0¶

added support for structs with more than 22 fields, which previously was the limit as that is the max case-class size in scala. For structs larger than this, instead of using case-classes, normal classes are used but with most of the case-class boilerplate support code also generated, allowing these structs to be used as if they were case-classes. The only exception is that there is no unapply method; but do you really want to unapply 23+ fields in a match statement?

2.3.1¶

thriftProtocolFactory in generated ThriftServer now has type of TProtocolFactory, so you can override it with other protocol factories.

2.3.0¶

You can now override serverBuilder in ThriftServer to provide additional server configuration
The protocol factory to the FinagledClient now has a default value of TBinaryProtocol.Factory, which means you don’t have to specify it when using the default.

2.2.0¶

tracerFactory support in ThriftServer.

2.1.0¶

Support for tracing in server.

2.0.2¶

fixes a bug in which namespace mapping was not applied recursively to included documents.

2.0.1¶

fixes a bug in which qualified service names from imported thrift files were not resolved properly.

2.0.0¶

fixes a bug with enum in which the first value was wrong.

1.1.1¶

scrooge-runtime-1.0.1
Each thrift struct companion object now extends ThriftStructCodec
Correctly resolving enum constants and Const values.
Title-casing enum value names.
Added support for namespace renaming from the command line.