Split common classes into zipkin-common

- Moved:
  - `Annotation` (and spec)
  - `Endpoint` (and spec)
  - `IncompleteTraceDataException`
  - `Span` (and spec)
- Left `Trace`, `TraceSummary` in `zipkin-server` since they're
  specific to the query service
- Left `ZooKeeperClientService` since don't want to introduce a ZK
  dependency in common project
- `IncompleteTraceDataException` can be later removed when we pull
  out the Thrift dependencies

Author: franklinhu
Pull Request: #20
URL: #20

project/Project.scala

@@ -91,6 +91,39 @@ object Zipkin extends Build {
   val OSTRICH_VERSION = "8.0.1"
   val UTIL_VERSION    = "5.0.3"
 
+  lazy val common =
+    Project(
+      id = "zipkin-common",
+      base = file("zipkin-common"),
+      settings = Project.defaultSettings ++
+        StandardProject.newSettings ++
+        SubversionPublisher.newSettings ++
+        CompileThriftScrooge.newSettings
+    ).settings(
+      version := "0.2.0-SNAPSHOT",
+
+      libraryDependencies ++= Seq(
+        "com.twitter" % "finagle-thrift"    % FINAGLE_VERSION,
+        "com.twitter" % "finagle-zipkin"    % FINAGLE_VERSION,
+        "com.twitter" % "ostrich"           % OSTRICH_VERSION,
+        "com.twitter" % "util-core"         % UTIL_VERSION,
+
+        "com.twitter" % "scrooge"               % "3.0.1" intransitive(),
+        "com.twitter" % "scrooge-runtime_2.9.2" % "3.0.1" intransitive(),
+
+        /* Test dependencies */
+        "org.scala-tools.testing" % "specs_2.9.1"  % "1.6.9" % "test",
+        "org.jmock"               % "jmock"        % "2.4.0" % "test",
+        "org.hamcrest"            % "hamcrest-all" % "1.1"   % "test",
+        "cglib"                   % "cglib"        % "2.2.2" % "test",
+        "asm"                     % "asm"          % "1.5.3" % "test",
+        "org.objenesis"           % "objenesis"    % "1.1"   % "test"
+      ),
+
+      CompileThriftScrooge.scroogeVersion := "3.0.1"
+    )
+
+
   lazy val server =
     Project(
       id = "zipkin-server",
@@ -99,7 +132,6 @@ object Zipkin extends Build {
         StandardProject.newSettings ++
         SubversionPublisher.newSettings ++
         CompileThriftScrooge.newSettings).settings(
-      name := "zipkin-server",
       version := "0.2.0-SNAPSHOT",
 
       libraryDependencies ++= Seq(
@@ -145,5 +177,5 @@ object Zipkin extends Build {
         base =>
           (base / "config" +++ base / "src" / "test" / "resources").get
       }
-    )
+    ).dependsOn(common)
 }

zipkin-common/src/main/thrift/zipkinCore.thrift

@@ -0,0 +1 @@
+../../../../zipkin-thrift/src/main/thrift/zipkinCore.thrift

zipkin-server/src/test/scala/com/twitter/zipkin/common/AnnotationSpec.scala → zipkin-common/src/test/scala/com/twitter/zipkin/common/AnnotationSpec.scala

@@ -1,6 +1,6 @@
 /*
  * Copyright 2012 Twitter Inc.
- * 
+ *
  * Licensed 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

zipkin-server/src/test/scala/com/twitter/zipkin/common/EndpointSpec.scala → zipkin-common/src/test/scala/com/twitter/zipkin/common/EndpointSpec.scala

@@ -1,6 +1,6 @@
 /*
  * Copyright 2012 Twitter Inc.
- * 
+ *
  * Licensed 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

zipkin-server/src/test/scala/com/twitter/zipkin/common/SpanSpec.scala → zipkin-common/src/test/scala/com/twitter/zipkin/common/SpanSpec.scala

@@ -1,6 +1,6 @@
 /*
  * Copyright 2012 Twitter Inc.
- * 
+ *
  * Licensed 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
@@ -24,7 +24,7 @@ class SpanSpec extends Specification {
   val annotationValue = "NONSENSE"
   val expectedAnnotation = Annotation(1, annotationValue, Some(Endpoint(1, 2, "service")))
   val expectedSpan = Span(12345, "methodcall", 666, None,
-        List(expectedAnnotation), Nil)
+    List(expectedAnnotation), Nil)
 
   val annotation1 = Annotation(1, "value1", Some(Endpoint(1, 2, "service")))
   val annotation2 = Annotation(2, "value2", Some(Endpoint(3, 4, "service")))