http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeDeserializer.java
----------------------------------------------------------------------
diff --git 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeDeserializer.java
 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeDeserializer.java
index 639c5ad..8f53954 100644
--- 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeDeserializer.java
+++ 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeDeserializer.java
@@ -29,15 +29,12 @@ import org.joda.time.format.DateTimeFormatter;
 
 import java.io.IOException;
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
 /**
- * StreamsDateTimeDeserializer is a supporting class for
- * @see {@link org.apache.streams.jackson.StreamsJacksonMapper}
- *
- * Converting date-time strings other than RFC3339 to joda DateTime objects 
requires
- * additional formats to be provided when instantiating StreamsJacksonMapper.
+ * Created by sblackmon on 3/27/14.
  */
 public class StreamsDateTimeDeserializer extends StdDeserializer<DateTime> 
implements Serializable {
 
@@ -53,9 +50,6 @@ public class StreamsDateTimeDeserializer extends 
StdDeserializer<DateTime> imple
             formatters.add(DateTimeFormat.forPattern(format));
     }
 
-    /**
-     * Applies each additional format in turn, until it can provide a non-null 
DateTime
-     */
     @Override
     public DateTime deserialize(JsonParser jpar, DeserializationContext 
context) throws IOException {
 

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeSerializer.java
----------------------------------------------------------------------
diff --git 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeSerializer.java
 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeSerializer.java
index fff314d..1e9c895 100644
--- 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeSerializer.java
+++ 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsDateTimeSerializer.java
@@ -28,11 +28,12 @@ import java.io.IOException;
 import java.io.Serializable;
 
 /**
- * StreamsDateTimeSerializer is a supporting class for
- * @see {@link org.apache.streams.jackson.StreamsJacksonMapper}
+ * Created by sblackmon on 3/27/14.
  */
 public class StreamsDateTimeSerializer extends StdSerializer<DateTime> 
implements Serializable {
 
+
+
     protected StreamsDateTimeSerializer(Class<DateTime> dateTimeClass) {
         super(dateTimeClass);
     }

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonMapper.java
----------------------------------------------------------------------
diff --git 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonMapper.java
 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonMapper.java
index 9738fe4..8a74caa 100644
--- 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonMapper.java
+++ 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonMapper.java
@@ -24,14 +24,11 @@ import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
-import com.google.common.collect.Lists;
 
 import java.util.List;
 
 /**
- * StreamsJacksonMapper is the recommended interface to jackson for any 
streams component.
- *
- * Date-time formats that must be supported can be specified with constructor 
arguments.
+ * Created by sblackmon on 3/27/14.
  */
 public class StreamsJacksonMapper extends ObjectMapper {
 
@@ -41,13 +38,6 @@ public class StreamsJacksonMapper extends ObjectMapper {
         return INSTANCE;
     }
 
-    public static StreamsJacksonMapper getInstance(String format){
-
-        StreamsJacksonMapper instance = new 
StreamsJacksonMapper(Lists.newArrayList(format));
-
-        return instance;
-
-    }
     public static StreamsJacksonMapper getInstance(List<String> formats){
 
         StreamsJacksonMapper instance = new StreamsJacksonMapper(formats);
@@ -62,12 +52,6 @@ public class StreamsJacksonMapper extends ObjectMapper {
         configure();
     }
 
-    public StreamsJacksonMapper(String format) {
-        super();
-        registerModule(new StreamsJacksonModule(Lists.newArrayList(format)));
-        configure();
-    }
-
     public StreamsJacksonMapper(List<String> formats) {
         super();
         registerModule(new StreamsJacksonModule(formats));

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonModule.java
----------------------------------------------------------------------
diff --git 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonModule.java
 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonModule.java
index d7e6c64..8b44b0f 100644
--- 
a/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonModule.java
+++ 
b/streams-pojo/src/main/java/org/apache/streams/jackson/StreamsJacksonModule.java
@@ -25,8 +25,7 @@ import org.joda.time.Period;
 import java.util.List;
 
 /**
- * StreamsJacksonModule is a supporting class for
- * @see {@link org.apache.streams.jackson.StreamsJacksonMapper}
+ * Created by sblackmon on 3/27/14.
  */
 public class StreamsJacksonModule extends SimpleModule {
 

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsComponentFactory.java
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsComponentFactory.java
 
b/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsComponentFactory.java
index 48207d5..e92a5ae 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsComponentFactory.java
+++ 
b/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsComponentFactory.java
@@ -20,10 +20,17 @@
 package org.apache.streams.pig;
 
 import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
+import org.apache.commons.lang.ArrayUtils;
 import org.apache.streams.core.StreamsProcessor;
-import org.apache.streams.data.ActivityConverter;
+import org.apache.streams.data.ActivitySerializer;
 import org.slf4j.Logger;
 
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 /**
  * Static reflection wrappers for instantiating StreamsComponents
  */
@@ -31,7 +38,7 @@ public class StreamsComponentFactory {
 
     private static final Logger LOGGER = 
org.slf4j.LoggerFactory.getLogger(StreamsComponentFactory.class);
 
-    public static ActivityConverter getSerializerInstance(Class<?> 
serializerClazz) {
+    public static ActivitySerializer getSerializerInstance(Class<?> 
serializerClazz) {
 
         Object object = null;
         try {
@@ -42,7 +49,7 @@ public class StreamsComponentFactory {
 
         Preconditions.checkNotNull(object);
 
-        ActivityConverter serializer = (ActivityConverter) object;
+        ActivitySerializer serializer = (ActivitySerializer) object;
 
         return serializer;
 

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsProcessDocumentExec.java
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsProcessDocumentExec.java
 
b/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsProcessDocumentExec.java
index 2303d52..788b347 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsProcessDocumentExec.java
+++ 
b/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsProcessDocumentExec.java
@@ -20,13 +20,24 @@
 package org.apache.streams.pig;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
 import datafu.pig.util.SimpleEvalFunc;
 import org.apache.commons.lang.ArrayUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.pig.EvalFunc;
 import org.apache.pig.builtin.MonitoredUDF;
+import org.apache.pig.data.BagFactory;
+import org.apache.pig.data.DataBag;
+import org.apache.pig.data.Tuple;
+import org.apache.pig.data.TupleFactory;
+import org.apache.pig.impl.util.UDFContext;
 import org.apache.streams.core.StreamsDatum;
 import org.apache.streams.core.StreamsProcessor;
+import org.apache.streams.data.ActivitySerializer;
 import org.apache.streams.jackson.StreamsJacksonMapper;
+import org.apache.streams.pojo.json.Activity;
 import org.slf4j.Logger;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsSerializerExec.java
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsSerializerExec.java
 
b/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsSerializerExec.java
index 65b7956..d517752 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsSerializerExec.java
+++ 
b/streams-runtimes/streams-runtime-pig/src/main/java/org/apache/streams/pig/StreamsSerializerExec.java
@@ -21,14 +21,26 @@ package org.apache.streams.pig;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
 import datafu.pig.util.SimpleEvalFunc;
+import org.apache.commons.lang.ArrayUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.pig.EvalFunc;
 import org.apache.pig.builtin.MonitoredUDF;
-import org.apache.streams.data.ActivityConverter;
+import org.apache.pig.data.BagFactory;
+import org.apache.pig.data.DataBag;
+import org.apache.pig.data.Tuple;
+import org.apache.pig.data.TupleFactory;
+import org.apache.pig.impl.util.UDFContext;
+import org.apache.streams.core.StreamsDatum;
+import org.apache.streams.core.StreamsProcessor;
+import org.apache.streams.data.ActivitySerializer;
 import org.apache.streams.jackson.StreamsJacksonMapper;
 import org.apache.streams.pojo.json.Activity;
 import org.slf4j.Logger;
 
 import java.io.IOException;
+import java.util.List;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -41,7 +53,7 @@ public class StreamsSerializerExec extends 
SimpleEvalFunc<String> {
 
     private static final Logger LOGGER = 
org.slf4j.LoggerFactory.getLogger(StreamsSerializerExec.class);
 
-    ActivityConverter activitySerializer;
+    ActivitySerializer activitySerializer;
     ObjectMapper mapper = StreamsJacksonMapper.getInstance();
 
     public StreamsSerializerExec(String... execArgs) throws 
ClassNotFoundException{

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDatumTest.java
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDatumTest.java
 
b/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDatumTest.java
index 475d791..e643cb6 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDatumTest.java
+++ 
b/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDatumTest.java
@@ -21,9 +21,15 @@ package org.apache.streams.pig.test;
 
 import org.apache.pig.pigunit.PigTest;
 import org.apache.streams.core.StreamsDatum;
+import org.apache.streams.jackson.StreamsJacksonMapper;
+import 
org.apache.streams.twitter.serializer.TwitterJsonTweetActivitySerializer;
 import org.apache.tools.ant.util.StringUtils;
+import org.junit.Assert;
+import org.junit.Ignore;
 import org.junit.Test;
 
+import java.io.IOException;
+import java.text.ParseException;
 import java.util.List;
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDocumentTest.java
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDocumentTest.java
 
b/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDocumentTest.java
index dd30eb1..556ea3a 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDocumentTest.java
+++ 
b/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigProcessDocumentTest.java
@@ -21,6 +21,9 @@ package org.apache.streams.pig.test;
 
 import org.apache.pig.pigunit.PigTest;
 import org.apache.streams.core.StreamsDatum;
+import org.apache.streams.jackson.StreamsJacksonMapper;
+import org.apache.streams.twitter.serializer.TwitterJsonActivitySerializer;
+import 
org.apache.streams.twitter.serializer.TwitterJsonTweetActivitySerializer;
 import org.apache.tools.ant.util.StringUtils;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigSerializerTest.java
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigSerializerTest.java
 
b/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigSerializerTest.java
index b53083a..a7ad4a0 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigSerializerTest.java
+++ 
b/streams-runtimes/streams-runtime-pig/src/test/java/org/apache/streams/pig/test/PigSerializerTest.java
@@ -19,14 +19,22 @@
 
 package org.apache.streams.pig.test;
 
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
+import org.apache.pig.data.Tuple;
 import org.apache.pig.pigunit.PigTest;
 import org.apache.streams.jackson.StreamsJacksonMapper;
 import org.apache.streams.twitter.serializer.StreamsTwitterMapper;
-import org.apache.streams.twitter.serializer.TwitterJsonActivityConverter;
+import org.apache.streams.twitter.serializer.TwitterJsonActivitySerializer;
+import 
org.apache.streams.twitter.serializer.TwitterJsonTweetActivitySerializer;
 import org.apache.tools.ant.util.StringUtils;
+import org.junit.Ignore;
 import org.junit.Test;
 
+import java.io.File;
+import java.util.Iterator;
+
 /**
  * This is a test for StreamsSerializerExec
  */
@@ -39,7 +47,7 @@ public class PigSerializerTest {
                 
"159475541894897679\ttwitter,statuses/user_timeline\t1384499359006\t{\"retweeted_status\":{\"contributors\":null,\"text\":\"The
 Costa Concordia cruise ship accident could be a disaster for the industry | 
http://t.co/M9UUNvZi (via 
@TIMEMoneyland)\",\"geo\":null,\"retweeted\":false,\"in_reply_to_screen_name\":null,\"possibly_sensitive\":false,\"truncated\":false,\"lang\":\"en\",\"entities\":{\"symbols\":[],\"urls\":[{\"expanded_url\":\"http://ti.me/zYyEtD\",\"indices\":[80,100],\"display_url\":\"ti.me/zYyEtD\",\"url\":\"http://t.co/M9UUNvZi\"}],\"hashtags\":[],\"user_mentions\":[{\"id\":245888431,\"name\":\"TIME
 
Moneyland\",\"indices\":[106,120],\"screen_name\":\"TIMEMoneyland\",\"id_str\":\"245888431\"}]},\"in_reply_to_status_id_str\":null,\"id\":159470076259602432,\"source\":\"<a
 href=\\\"http://www.hootsuite.com\\\"; 
rel=\\\"nofollow\\\">HootSuite<\\/a>\",\"in_reply_to_user_id_str\":null,\"favorited\":false,\"in_reply_to_status_id\":null,\"retweet_count\":71,\"create
 d_at\":\"Wed Jan 18 03:00:03 +0000 
2012\",\"in_reply_to_user_id\":null,\"favorite_count\":14,\"id_str\":\"159470076259602432\",\"place\":null,\"user\":{\"location\":\"\",\"default_profile\":false,\"profile_background_tile\":true,\"statuses_count\":70754,\"lang\":\"en\",\"profile_link_color\":\"1B4F89\",\"profile_banner_url\":\"https://pbs.twimg.com/profile_banners/14293310/1355243462\",\"id\":14293310,\"following\":false,\"protected\":false,\"favourites_count\":59,\"profile_text_color\":\"000000\",\"description\":\"Breaking
 news and current events from around the globe. Hosted by TIME staff. Tweet 
questions to our customer service team 
@TIMEmag_Service.\",\"verified\":true,\"contributors_enabled\":false,\"profile_sidebar_border_color\":\"000000\",\"name\":\"TIME.com\",\"profile_background_color\":\"CC0000\",\"created_at\":\"Thu
 Apr 03 13:54:30 +0000 
2008\",\"default_profile_image\":false,\"followers_count\":5146268,\"profile_image_url_https\":\"https://pbs.twimg.com/profile_images/1
 
700796190/Picture_24_normal.png\",\"geo_enabled\":false,\"profile_background_image_url\":\"http://a0.twimg.com/profile_background_images/735228291/107f1a300a90ee713937234bb3d139c0.jpeg\",\"profile_background_image_url_https\":\"https://si0.twimg.com/profile_background_images/735228291/107f1a300a90ee713937234bb3d139c0.jpeg\",\"follow_request_sent\":false,\"entities\":{\"description\":{\"urls\":[]},\"url\":{\"urls\":[{\"expanded_url\":\"http://www.time.com\",\"indices\":[0,22],\"display_url\":\"time.com\",\"url\":\"http://t.co/4aYbUuAeSh\"}]}},\"url\":\"http://t.co/4aYbUuAeSh\",\"utc_offset\":-18000,\"time_zone\":\"Eastern
 Time (US & 
Canada)\",\"notifications\":false,\"profile_use_background_image\":true,\"friends_count\":742,\"profile_sidebar_fill_color\":\"D9D9D9\",\"screen_name\":\"TIME\",\"id_str\":\"14293310\",\"profile_image_url\":\"http://pbs.twimg.com/profile_images/1700796190/Picture_24_normal.png\",\"listed_count\":76944,\"is_translator\":false},\"coordinates\":null},\"contr
 ibutors\":null,\"text\":\"RT @TIME: The Costa Concordia cruise ship accident 
could be a disaster for the industry | http://t.co/M9UUNvZi (via 
@TIMEMoneyland)\",\"geo\":null,\"retweeted\":false,\"in_reply_to_screen_name\":null,\"possibly_sensitive\":false,\"truncated\":false,\"lang\":\"en\",\"entities\":{\"symbols\":[],\"urls\":[{\"expanded_url\":\"http://ti.me/zYyEtD\",\"indices\":[90,110],\"display_url\":\"ti.me/zYyEtD\",\"url\":\"http://t.co/M9UUNvZi\"}],\"hashtags\":[],\"user_mentions\":[{\"id\":14293310,\"name\":\"TIME.com\",\"indices\":[3,8],\"screen_name\":\"TIME\",\"id_str\":\"14293310\"},{\"id\":245888431,\"name\":\"TIME
 
Moneyland\",\"indices\":[116,130],\"screen_name\":\"TIMEMoneyland\",\"id_str\":\"245888431\"}]},\"in_reply_to_status_id_str\":null,\"id\":159475541894897679,\"source\":\"<a
 href=\\\"http://twitter.com/download/iphone\\\"; rel=\\\"nofollow\\\">Twitter 
for 
iPhone<\\/a>\",\"in_reply_to_user_id_str\":null,\"favorited\":false,\"in_reply_to_status_id\":null,\"retwe
 et_count\":71,\"created_at\":\"Wed Jan 18 03:21:46 +0000 
2012\",\"in_reply_to_user_id\":null,\"favorite_count\":0,\"id_str\":\"159475541894897679\",\"place\":null,\"user\":{\"location\":\"\",\"default_profile\":false,\"profile_background_tile\":true,\"statuses_count\":5053,\"lang\":\"en\",\"profile_link_color\":\"738D84\",\"id\":27552112,\"following\":false,\"protected\":false,\"favourites_count\":52,\"profile_text_color\":\"97CEC9\",\"description\":\"\",\"verified\":false,\"contributors_enabled\":false,\"profile_sidebar_border_color\":\"A9AC00\",\"name\":\"rafael
 medina-flores\",\"profile_background_color\":\"C5EFE3\",\"created_at\":\"Mon 
Mar 30 01:21:55 +0000 
2009\",\"default_profile_image\":false,\"followers_count\":963,\"profile_image_url_https\":\"https://pbs.twimg.com/profile_images/2519547938/image_normal.jpg\",\"geo_enabled\":true,\"profile_background_image_url\":\"http://a0.twimg.com/profile_background_images/167479660/trireme.jpg\",\"profile_background_image_url_https\":\";
 
https://si0.twimg.com/profile_background_images/167479660/trireme.jpg\",\"follow_request_sent\":false,\"entities\":{\"description\":{\"urls\":[]}},\"url\":null,\"utc_offset\":-25200,\"time_zone\":\"Mountain
 Time (US & 
Canada)\",\"notifications\":false,\"profile_use_background_image\":true,\"friends_count\":1800,\"profile_sidebar_fill_color\":\"5C4F3C\",\"screen_name\":\"rmedinaflores\",\"id_str\":\"27552112\",\"profile_image_url\":\"http://pbs.twimg.com/profile_images/2519547938/image_normal.jpg\",\"listed_count\":50,\"is_translator\":false},\"coordinates\":null}";
         };
 
-        TwitterJsonActivityConverter serializer = new 
TwitterJsonActivityConverter();
+        TwitterJsonActivitySerializer serializer = new 
TwitterJsonActivitySerializer();
 
         String doc = (String) StringUtils.split(input[0], '\t').get(3);
         String outdoc = 
StreamsJacksonMapper.getInstance(Lists.newArrayList(StreamsTwitterMapper.TWITTER_FORMAT)).writeValueAsString(serializer.deserialize(doc));

http://git-wip-us.apache.org/repos/asf/incubator-streams/blob/7afd6e0a/streams-runtimes/streams-runtime-pig/src/test/resources/pigserializertest.pig
----------------------------------------------------------------------
diff --git 
a/streams-runtimes/streams-runtime-pig/src/test/resources/pigserializertest.pig 
b/streams-runtimes/streams-runtime-pig/src/test/resources/pigserializertest.pig
index d388269..8ea91d8 100644
--- 
a/streams-runtimes/streams-runtime-pig/src/test/resources/pigserializertest.pig
+++ 
b/streams-runtimes/streams-runtime-pig/src/test/resources/pigserializertest.pig
@@ -1,4 +1,4 @@
-DEFINE SERIALIZER 
org.apache.streams.pig.StreamsSerializerExec('org.apache.streams.twitter.serializer.TwitterJsonActivityConverter');
+DEFINE SERIALIZER 
org.apache.streams.pig.StreamsSerializerExec('org.apache.streams.twitter.serializer.TwitterJsonActivitySerializer');
 in = LOAD '*' USING PigStorage('\t') AS (activityid: chararray, source: 
chararray, timestamp: long, object: chararray);
 out = FOREACH in {
     result = SERIALIZER(object);

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