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Posted to commits@tinkerpop.apache.org by sp...@apache.org on 2018/03/07 17:05:51 UTC

[1/2] tinkerpop git commit: TINKERPOP-1913 Made status attributes available to the ResultSet

Repository: tinkerpop
Updated Branches:
  refs/heads/TINKERPOP-1913 98ad2fd88 -> 40dc50db3


TINKERPOP-1913 Made status attributes available to the ResultSet


Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo
Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/81fd8403
Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/81fd8403
Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/81fd8403

Branch: refs/heads/TINKERPOP-1913
Commit: 81fd8403b77a440b99a8757d154e52f7aa63e297
Parents: 98ad2fd
Author: Stephen Mallette <sp...@genoprime.com>
Authored: Wed Mar 7 10:29:11 2018 -0500
Committer: Stephen Mallette <sp...@genoprime.com>
Committed: Wed Mar 7 10:29:11 2018 -0500

----------------------------------------------------------------------
 .../tinkerpop/gremlin/driver/Handler.java       | 13 ++++-
 .../tinkerpop/gremlin/driver/ResultQueue.java   |  2 +
 .../tinkerpop/gremlin/driver/ResultSet.java     | 12 ++++
 .../tinkerpop/gremlin/driver/ResultSetTest.java | 25 +++++++++
 .../gremlin/server/op/AbstractOpProcessor.java  | 58 ++++++++++++++++++--
 .../op/traversal/TraversalOpProcessor.java      | 10 +++-
 .../server/GremlinResultSetIntegrateTest.java   |  9 +++
 7 files changed, 121 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Handler.java
----------------------------------------------------------------------
diff --git a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Handler.java b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Handler.java
index c6c1022..12c6866 100644
--- a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Handler.java
+++ b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Handler.java
@@ -248,9 +248,18 @@ final class Handler {
                     }
                 }
 
-                // as this is a non-PARTIAL_CONTENT code - the stream is done
-                if (response.getStatus().getCode() != ResponseStatusCode.PARTIAL_CONTENT)
+                // the last message in a OK stream could have meta-data that is useful to the result. note that error
+                // handling of the status attributes is handled separately above
+                if (statusCode == ResponseStatusCode.SUCCESS || statusCode == ResponseStatusCode.NO_CONTENT) {
+                    // in 3.4.0 this should get refactored. i think the that the markComplete() could just take the
+                    // status attributes as its argument - need to investigate that further
+                    queue.statusAttributes = response.getStatus().getAttributes();
+                }
+
+                // as this is a non-PARTIAL_CONTENT code - the stream is done.
+                if (statusCode != ResponseStatusCode.PARTIAL_CONTENT) {
                     pending.remove(response.getRequestId()).markComplete();
+                }
             } finally {
                 // in the event of an exception above the exception is tossed and handled by whatever channelpipeline
                 // error handling is at play.

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultQueue.java
----------------------------------------------------------------------
diff --git a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultQueue.java b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultQueue.java
index e21e265..7340763 100644
--- a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultQueue.java
+++ b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultQueue.java
@@ -56,6 +56,8 @@ final class ResultQueue {
 
     private final Queue<Pair<CompletableFuture<List<Result>>,Integer>> waiting = new ConcurrentLinkedQueue<>();
 
+    Map<String,Object> statusAttributes = null;
+
     public ResultQueue(final LinkedBlockingQueue<Result> resultLinkedBlockingQueue, final CompletableFuture<Void> readComplete) {
         this.resultLinkedBlockingQueue = resultLinkedBlockingQueue;
         this.readComplete = readComplete;

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultSet.java
----------------------------------------------------------------------
diff --git a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultSet.java b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultSet.java
index f82876c..f608f06 100644
--- a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultSet.java
+++ b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/ResultSet.java
@@ -21,8 +21,10 @@ package org.apache.tinkerpop.gremlin.driver;
 import org.apache.tinkerpop.gremlin.driver.message.RequestMessage;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.NoSuchElementException;
 import java.util.Spliterator;
 import java.util.Spliterators;
@@ -74,6 +76,16 @@ public final class ResultSet implements Iterable<Result> {
     }
 
     /**
+     * Returns a future that will complete when {@link #allItemsAvailable()} is {@code true} and will contain the
+     * attributes from the response.
+     */
+    public CompletableFuture<Map<String,Object>> statusAttributes() {
+        final CompletableFuture<Map<String,Object>> attrs = new CompletableFuture<>();
+        readCompleted.thenRun(() -> attrs.complete(null == resultQueue.statusAttributes ? Collections.emptyMap() : resultQueue.statusAttributes));
+        return attrs;
+    }
+
+    /**
      * Determines if all items have been returned to the client.
      */
     public boolean allItemsAvailable() {

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-driver/src/test/java/org/apache/tinkerpop/gremlin/driver/ResultSetTest.java
----------------------------------------------------------------------
diff --git a/gremlin-driver/src/test/java/org/apache/tinkerpop/gremlin/driver/ResultSetTest.java b/gremlin-driver/src/test/java/org/apache/tinkerpop/gremlin/driver/ResultSetTest.java
index 0cf4fb5..3163ffe 100644
--- a/gremlin-driver/src/test/java/org/apache/tinkerpop/gremlin/driver/ResultSetTest.java
+++ b/gremlin-driver/src/test/java/org/apache/tinkerpop/gremlin/driver/ResultSetTest.java
@@ -22,8 +22,10 @@ import org.apache.tinkerpop.gremlin.driver.message.RequestMessage;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.NoSuchElementException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
@@ -49,6 +51,29 @@ public class ResultSetTest extends AbstractResultQueueTest {
     }
 
     @Test
+    public void shouldReturnResponseAttributes() throws Exception {
+        resultQueue.statusAttributes = new HashMap<String,Object>() {{
+            put("test",123);
+            put("junk","here");
+        }};
+
+        final CompletableFuture<Map<String,Object>> attrs = resultSet.statusAttributes();
+        readCompleted.complete(null);
+
+        final Map<String,Object> m = attrs.get();
+        assertEquals(123, m.get("test"));
+        assertEquals("here", m.get("junk"));
+        assertEquals(2, m.size());
+    }
+
+    @Test
+    public void shouldReturnEmptyMapForNoResponseAttributes() throws Exception {
+        final CompletableFuture<Map<String,Object>> attrs = resultSet.statusAttributes();
+        readCompleted.complete(null);
+        assertThat(attrs.get().isEmpty(), is(true));
+    }
+
+    @Test
     public void shouldHaveAllItemsAvailableAsynchronouslyOnReadComplete() {
         final CompletableFuture<Void> all = resultSet.allItemsAvailableAsync();
         assertThat(all.isDone(), is(false));

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/AbstractOpProcessor.java
----------------------------------------------------------------------
diff --git a/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/AbstractOpProcessor.java b/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/AbstractOpProcessor.java
index 8899bb5..39fb9b1 100644
--- a/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/AbstractOpProcessor.java
+++ b/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/AbstractOpProcessor.java
@@ -38,6 +38,7 @@ import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -143,7 +144,9 @@ public abstract class AbstractOpProcessor implements OpProcessor {
                     // thread that processed the eval of the script so, we have to push serialization down into that
                     Frame frame = null;
                     try {
-                        frame = makeFrame(ctx, msg, serializer, useBinary, aggregate, code, generateMetaData(ctx, msg, code, itty));
+                        frame = makeFrame(ctx, msg, serializer, useBinary, aggregate, code,
+                                generateResultMetaData(ctx, msg, code, itty, settings),
+                                generateStatusAttributes(ctx, msg, code, itty, settings));
                     } catch (Exception ex) {
                         // a frame may use a Bytebuf which is a countable release - if it does not get written
                         // downstream it needs to be released here
@@ -239,17 +242,49 @@ public abstract class AbstractOpProcessor implements OpProcessor {
     }
 
     /**
-     * Generates meta-data to put on a {@link ResponseMessage}.
+     * Generates response result meta-data to put on a {@link ResponseMessage}.
      *
      * @param itty a reference to the current {@link Iterator} of results - it is not meant to be forwarded in
      *             this method
+     * @deprecated As of release 3.3.2, replaced by {@link #generateResultMetaData(ChannelHandlerContext, RequestMessage, ResponseStatusCode, Iterator, Settings)}
      */
-    protected Map<String,Object> generateMetaData(final ChannelHandlerContext ctx, final RequestMessage msg,
-                                                  final ResponseStatusCode code, final Iterator itty) {
+    @Deprecated
+    protected Map<String, Object> generateMetaData(final ChannelHandlerContext ctx, final RequestMessage msg,
+                                                   final ResponseStatusCode code, final Iterator itty) {
         return Collections.emptyMap();
     }
 
     /**
+     * Generates response result meta-data to put on a {@link ResponseMessage}.
+     *
+     * @param itty a reference to the current {@link Iterator} of results - it is not meant to be forwarded in
+     *             this method
+     */
+    protected Map<String, Object> generateResultMetaData(final ChannelHandlerContext ctx, final RequestMessage msg,
+                                                         final ResponseStatusCode code, final Iterator itty,
+                                                         final Settings settings) {
+        return generateMetaData(ctx, msg, code, itty);
+    }
+
+    /**
+     * Generates response status meta-data to put on a {@link ResponseMessage}.
+     *
+     * @param itty a reference to the current {@link Iterator} of results - it is not meant to be forwarded in
+     *             this method
+     */
+    protected Map<String, Object> generateStatusAttributes(final ChannelHandlerContext ctx, final RequestMessage msg,
+                                                           final ResponseStatusCode code, final Iterator itty,
+                                                           final Settings settings) {
+        // only return server metadata on the last message
+        if (itty.hasNext()) return Collections.emptyMap();
+
+        final Map<String, Object> metaData = new HashMap<>();
+        metaData.put(Tokens.ARGS_HOST, ctx.channel().remoteAddress().toString());
+
+        return metaData;
+    }
+
+    /**
      * @deprecated As of release 3.2.2, replaced by {@link #makeFrame(ChannelHandlerContext, RequestMessage, MessageSerializer, boolean, List, ResponseStatusCode, Map)}.
      */
     protected static Frame makeFrame(final ChannelHandlerContext ctx, final RequestMessage msg,
@@ -258,13 +293,25 @@ public abstract class AbstractOpProcessor implements OpProcessor {
         return makeFrame(ctx, msg, serializer, useBinary, aggregate, code, Collections.emptyMap());
     }
 
+    /**
+     * @deprecated As of release 3.3.2, replaced by {@link #makeFrame(ChannelHandlerContext, RequestMessage, MessageSerializer, boolean, List, ResponseStatusCode, Map, Map)}.
+     */
     protected static Frame makeFrame(final ChannelHandlerContext ctx, final RequestMessage msg,
                                    final MessageSerializer serializer, final boolean useBinary, final List<Object> aggregate,
-                                   final ResponseStatusCode code, final Map<String,Object> responseMetaData) throws Exception {
+                                   final ResponseStatusCode code, final Map<String,Object> statusAttributes) throws Exception {
+        return makeFrame(ctx, msg, serializer, useBinary, aggregate, code, statusAttributes, Collections.emptyMap());
+    }
+
+
+    protected static Frame makeFrame(final ChannelHandlerContext ctx, final RequestMessage msg,
+                                     final MessageSerializer serializer, final boolean useBinary, final List<Object> aggregate,
+                                     final ResponseStatusCode code, final Map<String,Object> responseMetaData,
+                                     final Map<String,Object> statusAttributes) throws Exception {
         try {
             if (useBinary) {
                 return new Frame(serializer.serializeResponseAsBinary(ResponseMessage.build(msg)
                         .code(code)
+                        .statusAttributes(statusAttributes)
                         .responseMetaData(responseMetaData)
                         .result(aggregate).create(), ctx.alloc()));
             } else {
@@ -273,6 +320,7 @@ public abstract class AbstractOpProcessor implements OpProcessor {
                 final MessageTextSerializer textSerializer = (MessageTextSerializer) serializer;
                 return new Frame(textSerializer.serializeResponseAsString(ResponseMessage.build(msg)
                         .code(code)
+                        .statusAttributes(statusAttributes)
                         .responseMetaData(responseMetaData)
                         .result(aggregate).create()));
             }

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
----------------------------------------------------------------------
diff --git a/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java b/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
index 9025108..5e092da 100644
--- a/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
+++ b/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
@@ -458,6 +458,9 @@ public class TraversalOpProcessor extends AbstractOpProcessor {
     @Override
     protected Map<String, Object> generateMetaData(final ChannelHandlerContext ctx, final RequestMessage msg,
                                                    final ResponseStatusCode code, final Iterator itty) {
+        // leaving this overriding the deprecated version of this method because it provides a decent test to those
+        // who might have their own OpProcessor implementations that apply meta-data. leaving this alone helps validate
+        // that the upgrade path is clean. we can remove this in 3.4.0
         Map<String, Object> metaData = Collections.emptyMap();
         if (itty instanceof SideEffectIterator) {
             final SideEffectIterator traversalIterator = (SideEffectIterator) itty;
@@ -467,6 +470,9 @@ public class TraversalOpProcessor extends AbstractOpProcessor {
                 metaData.put(Tokens.ARGS_SIDE_EFFECT_KEY, key);
                 metaData.put(Tokens.ARGS_AGGREGATE_TO, traversalIterator.getSideEffectAggregator());
             }
+        } else {
+            // this is a standard traversal iterator
+            metaData = super.generateMetaData(ctx, msg, code, itty);
         }
 
         return metaData;
@@ -539,7 +545,9 @@ public class TraversalOpProcessor extends AbstractOpProcessor {
                     // thread that processed the eval of the script so, we have to push serialization down into that
                     Frame frame = null;
                     try {
-                        frame = makeFrame(ctx, msg, serializer, useBinary, aggregate, code, generateMetaData(ctx, msg, code, itty));
+                        frame = makeFrame(ctx, msg, serializer, useBinary, aggregate, code,
+                                generateResultMetaData(ctx, msg, code, itty, settings),
+                                generateStatusAttributes(ctx, msg, code, itty, settings));
                     } catch (Exception ex) {
                         // a frame may use a Bytebuf which is a countable release - if it does not get written
                         // downstream it needs to be released here

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/81fd8403/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinResultSetIntegrateTest.java
----------------------------------------------------------------------
diff --git a/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinResultSetIntegrateTest.java b/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinResultSetIntegrateTest.java
index 01c5ee3..ac8b531 100644
--- a/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinResultSetIntegrateTest.java
+++ b/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinResultSetIntegrateTest.java
@@ -23,6 +23,7 @@ import org.apache.tinkerpop.gremlin.driver.Cluster;
 import org.apache.tinkerpop.gremlin.driver.MessageSerializer;
 import org.apache.tinkerpop.gremlin.driver.Result;
 import org.apache.tinkerpop.gremlin.driver.ResultSet;
+import org.apache.tinkerpop.gremlin.driver.Tokens;
 import org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV3d0;
 import org.apache.tinkerpop.gremlin.driver.ser.Serializers;
 import org.apache.tinkerpop.gremlin.jsr223.ScriptFileGremlinPlugin;
@@ -53,6 +54,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
 
 import static org.hamcrest.CoreMatchers.anyOf;
 import static org.hamcrest.CoreMatchers.is;
@@ -96,6 +98,13 @@ public class GremlinResultSetIntegrateTest extends AbstractGremlinServerIntegrat
     }
 
     @Test
+    public void shouldReturnResponseAttributes() throws Exception {
+        final ResultSet results = client.submit("g.V()");
+        final Map<String,Object> attr = results.statusAttributes().get(20000, TimeUnit.MILLISECONDS);
+        assertThat(attr.containsKey(Tokens.ARGS_HOST), is(true));
+    }
+
+    @Test
     public void shouldHandleVertexResultFromTraversalBulked() throws Exception {
         final Graph graph = TinkerGraph.open();
         final GraphTraversalSource g = graph.traversal();


[2/2] tinkerpop git commit: TINKERPOP-1913 Added status attribute access to traversal side-effects

Posted by sp...@apache.org.
TINKERPOP-1913 Added status attribute access to traversal side-effects


Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo
Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/40dc50db
Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/40dc50db
Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/40dc50db

Branch: refs/heads/TINKERPOP-1913
Commit: 40dc50db3d19a1f234c8b302cc21cb12490650a8
Parents: 81fd840
Author: Stephen Mallette <sp...@genoprime.com>
Authored: Wed Mar 7 12:05:23 2018 -0500
Committer: Stephen Mallette <sp...@genoprime.com>
Committed: Wed Mar 7 12:05:23 2018 -0500

----------------------------------------------------------------------
 .../driver/remote/DriverRemoteTraversal.java    |  4 +---
 .../DriverRemoteTraversalSideEffects.java       | 25 ++++++++++++++++++++
 .../op/traversal/TraversalOpProcessor.java      |  1 +
 .../server/GremlinServerIntegrateTest.java      |  8 ++++++-
 4 files changed, 34 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/40dc50db/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversal.java
----------------------------------------------------------------------
diff --git a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversal.java b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversal.java
index d3f290c..87087de 100644
--- a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversal.java
+++ b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversal.java
@@ -66,9 +66,7 @@ public class DriverRemoteTraversal<S, E> extends AbstractRemoteTraversal<S, E> {
         }
 
         this.rs = rs;
-        this.sideEffects = new DriverRemoteTraversalSideEffects(client,
-                rs.getOriginalRequestMessage().getRequestId(),
-                rs.getHost(), rs.allItemsAvailableAsync());
+        this.sideEffects = new DriverRemoteTraversalSideEffects(client,rs);
     }
 
     /**

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/40dc50db/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversalSideEffects.java
----------------------------------------------------------------------
diff --git a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversalSideEffects.java b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversalSideEffects.java
index 4305567..9a3cdab 100644
--- a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversalSideEffects.java
+++ b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/remote/DriverRemoteTraversalSideEffects.java
@@ -22,6 +22,7 @@ import org.apache.commons.lang.exception.ExceptionUtils;
 import org.apache.tinkerpop.gremlin.driver.Client;
 import org.apache.tinkerpop.gremlin.driver.Host;
 import org.apache.tinkerpop.gremlin.driver.Result;
+import org.apache.tinkerpop.gremlin.driver.ResultSet;
 import org.apache.tinkerpop.gremlin.driver.Tokens;
 import org.apache.tinkerpop.gremlin.driver.message.RequestMessage;
 import org.apache.tinkerpop.gremlin.process.remote.traversal.AbstractRemoteTraversalSideEffects;
@@ -52,13 +53,37 @@ public class DriverRemoteTraversalSideEffects extends AbstractRemoteTraversalSid
     private boolean closed = false;
     private boolean retrievedAllKeys = false;
     private final CompletableFuture<Void> ready;
+    private final CompletableFuture<Map<String,Object>> statusAttributes;
 
+    /**
+     * @deprecated As of release 3.3.2, replaced by {@link #DriverRemoteTraversalSideEffects(Client, ResultSet)}
+     */
+    @Deprecated
     public DriverRemoteTraversalSideEffects(final Client client, final UUID serverSideEffect, final Host host,
                                             final CompletableFuture<Void> ready) {
         this.client = client;
         this.serverSideEffect = serverSideEffect;
         this.host = host;
         this.ready = ready;
+        this.statusAttributes = CompletableFuture.completedFuture(Collections.emptyMap());
+    }
+
+    public DriverRemoteTraversalSideEffects(final Client client, final ResultSet rs) {
+        this.client = client;
+        this.serverSideEffect = rs.getOriginalRequestMessage().getRequestId();
+        this.host = rs.getHost();
+        this.ready = rs.allItemsAvailableAsync();
+        this.statusAttributes = rs.statusAttributes();
+    }
+
+    /**
+     * Gets the status attributes from the response from the server. This method will block until all results have
+     * been retrieved.
+     */
+    public Map<String,Object> statusAttributes() {
+        // wait for the read to complete (i.e. iteration on the server) before allowing the caller to get the
+        // attribute. simply following the pattern from other methods here for now.
+        return statusAttributes.join();
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/40dc50db/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
----------------------------------------------------------------------
diff --git a/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java b/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
index 5e092da..edc144b 100644
--- a/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
+++ b/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java
@@ -498,6 +498,7 @@ public class TraversalOpProcessor extends AbstractOpProcessor {
             }
             ctx.writeAndFlush(ResponseMessage.build(msg)
                     .code(ResponseStatusCode.NO_CONTENT)
+                    .statusAttributes(generateStatusAttributes(ctx, msg, ResponseStatusCode.NO_CONTENT, itty, settings))
                     .create());
             return;
         }

http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/40dc50db/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinServerIntegrateTest.java
----------------------------------------------------------------------
diff --git a/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinServerIntegrateTest.java b/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinServerIntegrateTest.java
index 6454ad5..dc60a84 100644
--- a/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinServerIntegrateTest.java
+++ b/gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/GremlinServerIntegrateTest.java
@@ -1009,7 +1009,7 @@ public class GremlinServerIntegrateTest extends AbstractGremlinServerIntegration
     }
 
     @Test
-    public void shouldGetSideEffectKeysUsingWithRemote() throws Exception {
+    public void shouldGetSideEffectKeysAndStatusUsingWithRemote() throws Exception {
         final Graph graph = EmptyGraph.instance();
         final GraphTraversalSource g = graph.traversal().withRemote(conf);
         g.addV("person").property("age", 20).iterate();
@@ -1017,6 +1017,7 @@ public class GremlinServerIntegrateTest extends AbstractGremlinServerIntegration
         final GraphTraversal traversal = g.V().aggregate("a").aggregate("b");
         traversal.iterate();
         final DriverRemoteTraversalSideEffects se = (DriverRemoteTraversalSideEffects) traversal.asAdmin().getSideEffects();
+        assertThat(se.statusAttributes().containsKey(Tokens.ARGS_HOST), is(true));
 
         // Get keys
         final Set<String> sideEffectKeys = se.keys();
@@ -1039,6 +1040,11 @@ public class GremlinServerIntegrateTest extends AbstractGremlinServerIntegration
 
         final BulkSet localBSideEffects = se.get("b");
         assertThat(localBSideEffects.isEmpty(), is(false));
+
+        final GraphTraversal gdotv = g.V();
+        gdotv.toList();
+        final DriverRemoteTraversalSideEffects gdotvSe = (DriverRemoteTraversalSideEffects) gdotv.asAdmin().getSideEffects();
+        assertThat(gdotvSe.statusAttributes().containsKey(Tokens.ARGS_HOST), is(true));
     }
 
     @Test