Fixed ICE-7169 and ICE-7375 - add option to specify if batch requests flushed with the communicator/connection should be compressed

16 files changed, 227 insertions, 76 deletions

diff --git a/java-compat/src/Ice/src/main/java/Ice/CommunicatorI.java b/java-compat/src/Ice/src/main/java/Ice/CommunicatorI.java
index e4eea1ecf6d..6eda6d0aeaf 100644
--- a/java-compat/src/Ice/src/main/java/Ice/CommunicatorI.java
+++ b/java-compat/src/Ice/src/main/java/Ice/CommunicatorI.java
@@ -212,39 +212,40 @@ public final class CommunicatorI implements Communicator
 
     @Override
     public void
-    flushBatchRequests()
+    flushBatchRequests(Ice.CompressBatch compressBatch)
     {
-        end_flushBatchRequests(begin_flushBatchRequests());
+        end_flushBatchRequests(begin_flushBatchRequests(compressBatch));
     }
 
     @Override
     public AsyncResult
-    begin_flushBatchRequests()
+    begin_flushBatchRequests(Ice.CompressBatch compressBatch)
     {
-        return begin_flushBatchRequestsInternal(null);
+        return begin_flushBatchRequestsInternal(compressBatch, null);
     }
 
     @Override
     public AsyncResult
-    begin_flushBatchRequests(Callback cb)
+    begin_flushBatchRequests(Ice.CompressBatch compressBatch, Callback cb)
     {
-        return begin_flushBatchRequestsInternal(cb);
+        return begin_flushBatchRequestsInternal(compressBatch, cb);
     }
 
     @Override
     public AsyncResult
-    begin_flushBatchRequests(Callback_Communicator_flushBatchRequests cb)
+    begin_flushBatchRequests(Ice.CompressBatch compressBatch, Callback_Communicator_flushBatchRequests cb)
     {
-        return begin_flushBatchRequestsInternal(cb);
+        return begin_flushBatchRequestsInternal(compressBatch, cb);
     }
 
     @Override
     public AsyncResult
-    begin_flushBatchRequests(IceInternal.Functional_VoidCallback responseCb,
+    begin_flushBatchRequests(Ice.CompressBatch compressBatch,
+                             IceInternal.Functional_VoidCallback responseCb,
                              IceInternal.Functional_GenericCallback1<Ice.Exception> exceptionCb,
                              IceInternal.Functional_BoolCallback sentCb)
     {
-        return begin_flushBatchRequestsInternal(
+        return begin_flushBatchRequestsInternal(compressBatch,
             new IceInternal.Functional_CallbackBase(false, exceptionCb, sentCb)
                 {
                     @Override
@@ -265,7 +266,7 @@ public final class CommunicatorI implements Communicator
     private static final String _flushBatchRequests_name = "flushBatchRequests";
 
     private Ice.AsyncResult
-    begin_flushBatchRequestsInternal(IceInternal.CallbackBase cb)
+    begin_flushBatchRequestsInternal(Ice.CompressBatch compressBatch, IceInternal.CallbackBase cb)
     {
         IceInternal.OutgoingConnectionFactory connectionFactory = _instance.outgoingConnectionFactory();
         IceInternal.ObjectAdapterFactory adapterFactory = _instance.objectAdapterFactory();
@@ -279,8 +280,8 @@ public final class CommunicatorI implements Communicator
                                                                                            _flushBatchRequests_name,
                                                                                            cb);
 
-        connectionFactory.flushAsyncBatchRequests(result);
-        adapterFactory.flushAsyncBatchRequests(result);
+        connectionFactory.flushAsyncBatchRequests(compressBatch, result);
+        adapterFactory.flushAsyncBatchRequests(compressBatch, result);
 
         //
         // Inform the callback that we have finished initiating all of the
diff --git a/java-compat/src/Ice/src/main/java/Ice/ConnectionI.java b/java-compat/src/Ice/src/main/java/Ice/ConnectionI.java
index 84131a38cfc..0130c676dd5 100644
--- a/java-compat/src/Ice/src/main/java/Ice/ConnectionI.java
+++ b/java-compat/src/Ice/src/main/java/Ice/ConnectionI.java
@@ -420,58 +420,62 @@ public final class ConnectionI extends IceInternal.EventHandler
     }
 
     @Override
-    public void flushBatchRequests()
+    public void flushBatchRequests(Ice.CompressBatch compressBatch)
     {
-        end_flushBatchRequests(begin_flushBatchRequests());
+        end_flushBatchRequests(begin_flushBatchRequests(compressBatch));
     }
 
     private static final String _flushBatchRequests_name = "flushBatchRequests";
 
     @Override
-    public Ice.AsyncResult begin_flushBatchRequests()
+    public Ice.AsyncResult begin_flushBatchRequests(Ice.CompressBatch compressBatch)
     {
-        return begin_flushBatchRequestsInternal(null);
+        return begin_flushBatchRequestsInternal(compressBatch, null);
     }
 
     @Override
-    public Ice.AsyncResult begin_flushBatchRequests(Callback cb)
+    public Ice.AsyncResult begin_flushBatchRequests(Ice.CompressBatch compressBatch, Callback cb)
     {
-        return begin_flushBatchRequestsInternal(cb);
+        return begin_flushBatchRequestsInternal(compressBatch, cb);
     }
 
     @Override
-    public Ice.AsyncResult begin_flushBatchRequests(Callback_Connection_flushBatchRequests cb)
+    public Ice.AsyncResult begin_flushBatchRequests(Ice.CompressBatch compressBatch,
+                                                    Callback_Connection_flushBatchRequests cb)
     {
-        return begin_flushBatchRequestsInternal(cb);
+        return begin_flushBatchRequestsInternal(compressBatch, cb);
     }
 
     @Override
-    public AsyncResult begin_flushBatchRequests(IceInternal.Functional_VoidCallback responseCb,
-            IceInternal.Functional_GenericCallback1<Ice.Exception> exceptionCb,
-            IceInternal.Functional_BoolCallback sentCb)
-    {
-        return begin_flushBatchRequestsInternal(new IceInternal.Functional_CallbackBase(false, exceptionCb, sentCb)
-        {
-            @Override
-            public final void _iceCompleted(AsyncResult result)
-            {
-                try
-                {
-                    result.getConnection().end_flushBatchRequests(result);
-                }
-                catch(Exception ex)
-                {
-                    _exceptionCb.apply(ex);
-                }
-            }
-        });
-    }
-
-    private Ice.AsyncResult begin_flushBatchRequestsInternal(IceInternal.CallbackBase cb)
+    public AsyncResult begin_flushBatchRequests(Ice.CompressBatch compressBatch,
+                                                IceInternal.Functional_VoidCallback responseCb,
+                                                IceInternal.Functional_GenericCallback1<Ice.Exception> exceptionCb,
+                                                IceInternal.Functional_BoolCallback sentCb)
+    {
+        return begin_flushBatchRequestsInternal(compressBatch,
+                                                new IceInternal.Functional_CallbackBase(false, exceptionCb, sentCb)
+                                                {
+                                                    @Override
+                                                    public final void _iceCompleted(AsyncResult result)
+                                                    {
+                                                        try
+                                                        {
+                                                            result.getConnection().end_flushBatchRequests(result);
+                                                        }
+                                                        catch(Exception ex)
+                                                        {
+                                                            _exceptionCb.apply(ex);
+                                                        }
+                                                    }
+                                                });
+    }
+
+    private Ice.AsyncResult begin_flushBatchRequestsInternal(Ice.CompressBatch compressBatch,
+                                                             IceInternal.CallbackBase cb)
     {
         IceInternal.ConnectionFlushBatch result =
             new IceInternal.ConnectionFlushBatch(this, _communicator, _instance, _flushBatchRequests_name, cb);
-        result.invoke();
+        result.invoke(compressBatch);
         return result;
     }
 
diff --git a/java-compat/src/Ice/src/main/java/Ice/ObjectAdapterI.java b/java-compat/src/Ice/src/main/java/Ice/ObjectAdapterI.java
index 9ab45240784..4b4029abbd2 100644
--- a/java-compat/src/Ice/src/main/java/Ice/ObjectAdapterI.java
+++ b/java-compat/src/Ice/src/main/java/Ice/ObjectAdapterI.java
@@ -746,7 +746,7 @@ public final class ObjectAdapterI implements ObjectAdapter
     }
 
     public void
-    flushAsyncBatchRequests(IceInternal.CommunicatorFlushBatch outAsync)
+    flushAsyncBatchRequests(Ice.CompressBatch compressBatch, IceInternal.CommunicatorFlushBatch outAsync)
     {
         List<IncomingConnectionFactory> f;
         synchronized(this)
@@ -755,7 +755,7 @@ public final class ObjectAdapterI implements ObjectAdapter
         }
         for(IncomingConnectionFactory p : f)
         {
-            p.flushAsyncBatchRequests(outAsync);
+            p.flushAsyncBatchRequests(compressBatch, outAsync);
         }
     }
 
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/BatchRequestQueue.java b/java-compat/src/Ice/src/main/java/IceInternal/BatchRequestQueue.java
index 3db2ac67177..6d7f2030ac0 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/BatchRequestQueue.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/BatchRequestQueue.java
@@ -23,7 +23,7 @@ public class BatchRequestQueue
         @Override
         public void enqueue()
         {
-            enqueueBatchRequest();
+            enqueueBatchRequest(_proxy);
         }
 
         @Override
@@ -59,6 +59,7 @@ public class BatchRequestQueue
         _batchStream = new Ice.OutputStream(instance, Protocol.currentProtocolEncoding);
         _batchStream.writeBlob(Protocol.requestBatchHdr);
         _batchMarker = _batchStream.size();
+        _batchCompress = false;
         _request = new BatchRequestI();
 
         _maxSize = instance.batchAutoFlushSize();
@@ -112,6 +113,11 @@ public class BatchRequestQueue
             }
             else
             {
+                Boolean compress = ((Ice.ObjectPrxHelperBase)proxy)._getReference().getCompressOverride();
+                if(compress != null)
+                {
+                    _batchCompress |= compress.booleanValue();
+                }
                 _batchMarker = _batchStream.size();
                 ++_batchRequestNum;
             }
@@ -141,7 +147,7 @@ public class BatchRequestQueue
     }
 
     synchronized public int
-    swap(Ice.OutputStream os)
+    swap(Ice.OutputStream os, Ice.BooleanHolder compress)
     {
         if(_batchRequestNum == 0)
         {
@@ -161,12 +167,17 @@ public class BatchRequestQueue
         }
 
         int requestNum = _batchRequestNum;
+        if(compress != null)
+        {
+            compress.value = _batchCompress;
+        }
         _batchStream.swap(os);
 
         //
         // Reset the batch.
         //
         _batchRequestNum = 0;
+        _batchCompress = false;
         _batchStream.writeBlob(Protocol.requestBatchHdr);
         _batchMarker = _batchStream.size();
         if(lastRequest != null)
@@ -218,9 +229,14 @@ public class BatchRequestQueue
         }
     }
 
-    private void enqueueBatchRequest()
+    private void enqueueBatchRequest(Ice.ObjectPrx proxy)
     {
         assert(_batchMarker < _batchStream.size());
+        Boolean compress = ((Ice.ObjectPrxHelperBase)proxy)._getReference().getCompressOverride();
+        if(compress != null)
+        {
+            _batchCompress |= compress.booleanValue();
+        }
         _batchMarker = _batchStream.size();
         ++_batchRequestNum;
     }
@@ -231,6 +247,7 @@ public class BatchRequestQueue
     private boolean _batchStreamCanFlush;
     private int _batchRequestNum;
     private int _batchMarker;
+    private boolean _batchCompress;
     private BatchRequestI _request;
     private Ice.LocalException _exception;
     private int _maxSize;
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/CommunicatorFlushBatch.java b/java-compat/src/Ice/src/main/java/IceInternal/CommunicatorFlushBatch.java
index 309c9dd6a55..d6da14b8f24 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/CommunicatorFlushBatch.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/CommunicatorFlushBatch.java
@@ -43,7 +43,7 @@ public class CommunicatorFlushBatch extends IceInternal.AsyncResultI
         _useCount = 1;
     }
 
-    public void flushConnection(final Ice.ConnectionI con)
+    public void flushConnection(final Ice.ConnectionI con, final Ice.CompressBatch compressBatch)
     {
         class FlushBatch extends OutgoingAsyncBase
         {
@@ -96,7 +96,8 @@ public class CommunicatorFlushBatch extends IceInternal.AsyncResultI
         try
         {
             final FlushBatch flushBatch = new FlushBatch();
-            final int batchRequestNum = con.getBatchRequestQueue().swap(flushBatch.getOs());
+            final Ice.BooleanHolder compress = new Ice.BooleanHolder();
+            final int batchRequestNum = con.getBatchRequestQueue().swap(flushBatch.getOs(), compress);
             if(batchRequestNum == 0)
             {
                 flushBatch.sent();
@@ -108,14 +109,40 @@ public class CommunicatorFlushBatch extends IceInternal.AsyncResultI
                     @Override
                     public Void call() throws RetryException
                     {
-                        con.sendAsyncRequest(flushBatch, false, false, batchRequestNum);
+                        boolean comp;
+                        if(compressBatch == Ice.CompressBatch.Yes)
+                        {
+                            comp = true;
+                        }
+                        else if(compressBatch == Ice.CompressBatch.No)
+                        {
+                            comp = false;
+                        }
+                        else
+                        {
+                            comp = compress.value;
+                        }
+                        con.sendAsyncRequest(flushBatch, comp, false, batchRequestNum);
                         return null;
                     }
                 });
             }
             else
             {
-                con.sendAsyncRequest(flushBatch, false, false, batchRequestNum);
+                boolean comp;
+                if(compressBatch == Ice.CompressBatch.Yes)
+                {
+                    comp = true;
+                }
+                else if(compressBatch == Ice.CompressBatch.No)
+                {
+                    comp = false;
+                }
+                else
+                {
+                    comp = compress.value;
+                }
+                con.sendAsyncRequest(flushBatch, comp, false, batchRequestNum);
             }
         }
         catch(RetryException ex)
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/ConnectionFlushBatch.java b/java-compat/src/Ice/src/main/java/IceInternal/ConnectionFlushBatch.java
index 7824d3154c1..e1839020fa6 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/ConnectionFlushBatch.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/ConnectionFlushBatch.java
@@ -42,12 +42,12 @@ public class ConnectionFlushBatch extends OutgoingAsyncBase
         return _connection;
     }
 
-    public void invoke()
+    public void invoke(final Ice.CompressBatch compressBatch)
     {
         try
         {
-            final int batchRequestNum = _connection.getBatchRequestQueue().swap(_os);
-
+            final Ice.BooleanHolder compress = new Ice.BooleanHolder();
+            final int batchRequestNum = _connection.getBatchRequestQueue().swap(_os, compress);
             int status;
             if(batchRequestNum == 0)
             {
@@ -64,13 +64,39 @@ public class ConnectionFlushBatch extends OutgoingAsyncBase
                     @Override
                     public Integer call() throws RetryException
                     {
-                        return _connection.sendAsyncRequest(ConnectionFlushBatch.this, false, false, batchRequestNum);
+                        boolean comp;
+                        if(compressBatch == Ice.CompressBatch.Yes)
+                        {
+                            comp = true;
+                        }
+                        else if(compressBatch == Ice.CompressBatch.No)
+                        {
+                            comp = false;
+                        }
+                        else
+                        {
+                            comp = compress.value;
+                        }
+                        return _connection.sendAsyncRequest(ConnectionFlushBatch.this, comp, false, batchRequestNum);
                     }
                 });
             }
             else
             {
-                status = _connection.sendAsyncRequest(this, false, false, batchRequestNum);
+                boolean comp;
+                if(compressBatch == Ice.CompressBatch.Yes)
+                {
+                    comp = true;
+                }
+                else if(compressBatch == Ice.CompressBatch.No)
+                {
+                    comp = false;
+                }
+                else
+                {
+                    comp = compress.value;
+                }
+                status = _connection.sendAsyncRequest(this, comp, false, batchRequestNum);
             }
 
             if((status & AsyncStatus.Sent) > 0)
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/FixedReference.java b/java-compat/src/Ice/src/main/java/IceInternal/FixedReference.java
index ebc59c5e690..b9e84ce5d0e 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/FixedReference.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/FixedReference.java
@@ -250,7 +250,7 @@ public class FixedReference extends Reference
 
         _fixedConnection.throwException(); // Throw in case our connection is already destroyed.
 
-        boolean compress;
+        boolean compress = false;
         if(defaultsAndOverrides.overrideCompress)
         {
             compress = defaultsAndOverrides.overrideCompressValue;
@@ -259,10 +259,6 @@ public class FixedReference extends Reference
         {
             compress = _compress;
         }
-        else
-        {
-            compress = _fixedConnection.endpoint().compress();
-        }
 
         RequestHandler handler = new ConnectionRequestHandler(this, _fixedConnection, compress);
         if(getInstance().queueRequests())
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/IncomingConnectionFactory.java b/java-compat/src/Ice/src/main/java/IceInternal/IncomingConnectionFactory.java
index 108df4607e0..60514dfd230 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/IncomingConnectionFactory.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/IncomingConnectionFactory.java
@@ -196,13 +196,13 @@ public final class IncomingConnectionFactory extends EventHandler implements Ice
     }
 
     public void
-    flushAsyncBatchRequests(CommunicatorFlushBatch outAsync)
+    flushAsyncBatchRequests(Ice.CompressBatch compressBatch, CommunicatorFlushBatch outAsync)
     {
         for(Ice.ConnectionI c : connections()) // connections() is synchronized, no need to synchronize here.
         {
             try
             {
-                outAsync.flushConnection(c);
+                outAsync.flushConnection(c, compressBatch);
             }
             catch(Ice.LocalException ex)
             {
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/ObjectAdapterFactory.java b/java-compat/src/Ice/src/main/java/IceInternal/ObjectAdapterFactory.java
index bfec67de6a6..c44a0b2ef40 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/ObjectAdapterFactory.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/ObjectAdapterFactory.java
@@ -218,7 +218,7 @@ public final class ObjectAdapterFactory
     }
 
     public void
-    flushAsyncBatchRequests(CommunicatorFlushBatch outAsync)
+    flushAsyncBatchRequests(Ice.CompressBatch compressBatch, CommunicatorFlushBatch outAsync)
     {
         java.util.List<Ice.ObjectAdapterI> adapters;
         synchronized(this)
@@ -228,7 +228,7 @@ public final class ObjectAdapterFactory
 
         for(Ice.ObjectAdapterI adapter : adapters)
         {
-            adapter.flushAsyncBatchRequests(outAsync);
+            adapter.flushAsyncBatchRequests(compressBatch, outAsync);
         }
     }
 
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/OutgoingConnectionFactory.java b/java-compat/src/Ice/src/main/java/IceInternal/OutgoingConnectionFactory.java
index b51856cf3e6..3102f3a500f 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/OutgoingConnectionFactory.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/OutgoingConnectionFactory.java
@@ -271,7 +271,7 @@ public final class OutgoingConnectionFactory
     }
 
     public void
-    flushAsyncBatchRequests(CommunicatorFlushBatch outAsync)
+    flushAsyncBatchRequests(Ice.CompressBatch compressBatch, CommunicatorFlushBatch outAsync)
     {
         java.util.List<Ice.ConnectionI> c = new java.util.LinkedList<Ice.ConnectionI>();
 
@@ -296,7 +296,7 @@ public final class OutgoingConnectionFactory
         {
             try
             {
-                outAsync.flushConnection(conn);
+                outAsync.flushConnection(conn, compressBatch);
             }
             catch(Ice.LocalException ex)
             {
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/ProxyFlushBatch.java b/java-compat/src/Ice/src/main/java/IceInternal/ProxyFlushBatch.java
index 7a53d1b2c24..c83f46d964a 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/ProxyFlushBatch.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/ProxyFlushBatch.java
@@ -28,7 +28,7 @@ public class ProxyFlushBatch extends ProxyOutgoingAsyncBase
     {
         super(prx, operation, callback);
         _observer = ObserverHelper.get(prx, operation);
-        _batchRequestNum = prx._getBatchRequestQueue().swap(_os);
+        _batchRequestNum = prx._getBatchRequestQueue().swap(_os, null);
     }
 
     @Override
diff --git a/java-compat/src/Ice/src/main/java/IceInternal/Reference.java b/java-compat/src/Ice/src/main/java/IceInternal/Reference.java
index a1869b1fcda..c3b0e1b8d76 100644
--- a/java-compat/src/Ice/src/main/java/IceInternal/Reference.java
+++ b/java-compat/src/Ice/src/main/java/IceInternal/Reference.java
@@ -247,6 +247,21 @@ public abstract class Reference implements Cloneable
         return _hashValue;
     }
 
+    public java.lang.Boolean
+    getCompressOverride()
+    {
+        DefaultsAndOverrides defaultsAndOverrides = getInstance().defaultsAndOverrides();
+        if(defaultsAndOverrides.overrideCompress)
+        {
+            return Boolean.valueOf(defaultsAndOverrides.overrideCompressValue);
+        }
+        else if(_overrideCompress)
+        {
+            return Boolean.valueOf(_compress);
+        }
+        return null; // Null indicates that compress is not overriden.
+    }
+
     //
     // Utility methods
     //
diff --git a/java-compat/test/src/main/java/test/Ice/ami/AMI.java b/java-compat/test/src/main/java/test/Ice/ami/AMI.java
index c707f20e6c7..e3d3b792338 100644
--- a/java-compat/test/src/main/java/test/Ice/ami/AMI.java
+++ b/java-compat/test/src/main/java/test/Ice/ami/AMI.java
@@ -1933,6 +1933,7 @@ public class AMI
                     b1.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -1964,6 +1965,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushExCallback cb = new FlushExCallback();
                     Ice.AsyncResult r = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -1995,6 +1997,7 @@ public class AMI
                     b1.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Connection_flushBatchRequests()
                         {
                             @Override
@@ -2026,6 +2029,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushExCallback cb = new FlushExCallback();
                     Ice.AsyncResult r = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Connection_flushBatchRequests()
                         {
                             @Override
@@ -2062,6 +2066,7 @@ public class AMI
                     b1.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -2093,6 +2098,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -2129,6 +2135,7 @@ public class AMI
                     b2.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -2167,6 +2174,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -2205,6 +2213,7 @@ public class AMI
                     b2.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback()
                         {
                             @Override
@@ -2236,6 +2245,7 @@ public class AMI
                     b1.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Communicator_flushBatchRequests()
                         {
                             @Override
@@ -2267,6 +2277,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Communicator_flushBatchRequests()
                         {
                             @Override
@@ -2303,6 +2314,7 @@ public class AMI
                     b2.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Communicator_flushBatchRequests()
                         {
                             @Override
@@ -2341,6 +2353,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Communicator_flushBatchRequests()
                         {
                             @Override
@@ -2379,6 +2392,7 @@ public class AMI
                     b2.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         new Ice.Callback_Communicator_flushBatchRequests()
                         {
                             @Override
@@ -2500,7 +2514,7 @@ public class AMI
                     Ice.Connection con = p.ice_getConnection();
                     p2 = (TestIntfPrx)p.ice_batchOneway();
                     p2.ice_ping();
-                    r = con.begin_flushBatchRequests();
+                    r = con.begin_flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
                     test(r.getConnection() == con);
                     test(r.getCommunicator() == communicator);
                     test(r.getProxy() == null); // Expected
@@ -2511,7 +2525,7 @@ public class AMI
                     //
                     p2 = (TestIntfPrx)p.ice_batchOneway();
                     p2.ice_ping();
-                    r = communicator.begin_flushBatchRequests();
+                    r = communicator.begin_flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
                     test(r.getConnection() == null); // Expected
                     test(r.getCommunicator() == communicator);
                     test(r.getProxy() == null); // Expected
diff --git a/java-compat/test/src/main/java/test/Ice/ami/lambda/AMI.java b/java-compat/test/src/main/java/test/Ice/ami/lambda/AMI.java
index 8d886c20d78..f64ea6dda04 100644
--- a/java-compat/test/src/main/java/test/Ice/ami/lambda/AMI.java
+++ b/java-compat/test/src/main/java/test/Ice/ami/lambda/AMI.java
@@ -875,6 +875,7 @@ public class AMI
                     b1.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
@@ -885,6 +886,7 @@ public class AMI
 
                     final FlushCallback cb2 = new FlushCallback();
                     Ice.AsyncResult r2 = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb2.exception(ex),
                         (boolean sentSynchronously) -> cb2.sent(sentSynchronously));
@@ -904,6 +906,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushExCallback cb = new FlushExCallback();
                     Ice.AsyncResult r = b1.ice_getConnection().begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
@@ -929,6 +932,7 @@ public class AMI
                     b1.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
@@ -949,6 +953,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
@@ -974,6 +979,7 @@ public class AMI
                     b2.opBatch();
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
@@ -1001,6 +1007,7 @@ public class AMI
                     b1.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
@@ -1028,6 +1035,7 @@ public class AMI
                     b2.ice_getConnection().close(Ice.ConnectionClose.CloseGracefullyAndWait);
                     final FlushCallback cb = new FlushCallback();
                     Ice.AsyncResult r = communicator.begin_flushBatchRequests(
+                        Ice.CompressBatch.BasedOnProxy,
                         null,
                         (Ice.Exception ex) -> cb.exception(ex),
                         (boolean sentSynchronously) -> cb.sent(sentSynchronously));
diff --git a/java-compat/test/src/main/java/test/Ice/interrupt/AllTests.java b/java-compat/test/src/main/java/test/Ice/interrupt/AllTests.java
index ed523af5dbe..379c64d1032 100644
--- a/java-compat/test/src/main/java/test/Ice/interrupt/AllTests.java
+++ b/java-compat/test/src/main/java/test/Ice/interrupt/AllTests.java
@@ -476,7 +476,7 @@ public class AllTests
                 p2.op();
                 p2.op();
 
-                AsyncResult r = p2.ice_getConnection().begin_flushBatchRequests();
+                AsyncResult r = p2.ice_getConnection().begin_flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
                 mainThread.interrupt();
                 try
                 {
@@ -495,7 +495,8 @@ public class AllTests
                 final CallbackBase cb = new CallbackBase();
                 Ice.Connection con = p2.ice_getConnection();
                 mainThread.interrupt();
-                con.begin_flushBatchRequests(new Callback_Connection_flushBatchRequests()
+                con.begin_flushBatchRequests(Ice.CompressBatch.BasedOnProxy,
+                                             new Callback_Connection_flushBatchRequests()
                 {
                     @Override
                     public void sent(boolean sentSynchronously)
@@ -525,7 +526,7 @@ public class AllTests
             p2.op();
             p2.op();
 
-            AsyncResult r = communicator.begin_flushBatchRequests();
+            AsyncResult r = communicator.begin_flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
             mainThread.interrupt();
             try
             {
@@ -543,7 +544,8 @@ public class AllTests
 
             final CallbackBase cb = new CallbackBase();
             mainThread.interrupt();
-            communicator.begin_flushBatchRequests(new Callback_Communicator_flushBatchRequests()
+            communicator.begin_flushBatchRequests(Ice.CompressBatch.BasedOnProxy,
+                                                  new Callback_Communicator_flushBatchRequests()
             {
                 @Override
                 public void sent(boolean sentSynchronously)
diff --git a/java-compat/test/src/main/java/test/Ice/operations/BatchOneways.java b/java-compat/test/src/main/java/test/Ice/operations/BatchOneways.java
index d3240fc5a06..5e62fe3c230 100644
--- a/java-compat/test/src/main/java/test/Ice/operations/BatchOneways.java
+++ b/java-compat/test/src/main/java/test/Ice/operations/BatchOneways.java
@@ -79,6 +79,11 @@ class BatchOneways
 
         MyClassPrx batch = MyClassPrxHelper.uncheckedCast(p.ice_batchOneway());
         batch.ice_flushBatchRequests(); // Empty flush
+        if(batch.ice_getConnection() != null)
+        {
+            batch.ice_getConnection().flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
+        }
+        batch.ice_getCommunicator().flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
 
         p.opByteSOnewayCallCount(); // Reset the call count
 
@@ -177,5 +182,41 @@ class BatchOneways
 
             ic.destroy();
         }
+
+        p.ice_ping();
+        if(p.ice_getConnection() != null &&
+           p.ice_getCommunicator().getProperties().getProperty("Ice.Override.Compress").equals(""))
+        {
+            Ice.ObjectPrx prx = p.ice_getConnection().createProxy(p.ice_getIdentity()).ice_batchOneway();
+
+            MyClassPrx batchC1 = MyClassPrxHelper.uncheckedCast(prx.ice_compress(false));
+            MyClassPrx batchC2 = MyClassPrxHelper.uncheckedCast(prx.ice_compress(true));
+            MyClassPrx batchC3 = MyClassPrxHelper.uncheckedCast(prx.ice_identity(identity));
+
+            batchC1.opByteSOneway(bs1);
+            batchC1.opByteSOneway(bs1);
+            batchC1.opByteSOneway(bs1);
+            batchC1.ice_getConnection().flushBatchRequests(Ice.CompressBatch.Yes);
+
+            batchC2.opByteSOneway(bs1);
+            batchC2.opByteSOneway(bs1);
+            batchC2.opByteSOneway(bs1);
+            batchC1.ice_getConnection().flushBatchRequests(Ice.CompressBatch.No);
+
+            batchC1.opByteSOneway(bs1);
+            batchC1.opByteSOneway(bs1);
+            batchC1.opByteSOneway(bs1);
+            batchC1.ice_getConnection().flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
+
+            batchC1.opByteSOneway(bs1);
+            batchC2.opByteSOneway(bs1);
+            batchC1.opByteSOneway(bs1);
+            batchC1.ice_getConnection().flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
+
+            batchC1.opByteSOneway(bs1);
+            batchC3.opByteSOneway(bs1);
+            batchC1.opByteSOneway(bs1);
+            batchC1.ice_getConnection().flushBatchRequests(Ice.CompressBatch.BasedOnProxy);
+        }
     }
 }