THRIFT-253. java: Enhance FieldMetaData

The code generator new creates a static map of field id to metadata for each field, including information like the field TType, class of embedded structs, required/optional/default, etc. Additionally, on loading, generated classes statically register their class and metadata map with the global FieldMetaData map, so you can get the metadata for any TBase-implementing class easily.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@738708 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/java/build.xml b/lib/java/build.xml
index 1215de1..c686c7d 100644
--- a/lib/java/build.xml
+++ b/lib/java/build.xml
@@ -61,6 +61,8 @@
       classpath="${cpath}:${build.test}" failonerror="true" />
     <java classname="org.apache.thrift.test.DeepCopyTest"
       classpath="${cpath}:${build.test}" failonerror="true" />
+    <java classname="org.apache.thrift.test.MetaDataTest"
+      classpath="${cpath}:${build.test}" failonerror="true" />
     <java classname="org.apache.thrift.test.JavaBeansTest"
       classpath="${cpath}:${build.test}" failonerror="true" />
   </target>