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//========================================================================
//Copyright 2007-2011 David Yu [email protected]
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at 
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//========================================================================

package com.dyuproject.protostuff.runtime;

import java.io.IOException;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.EnumMap;
import java.util.Map;

import com.dyuproject.protostuff.GraphInput;
import com.dyuproject.protostuff.Input;
import com.dyuproject.protostuff.MapSchema.MapWrapper;
import com.dyuproject.protostuff.MapSchema.MessageFactory;
import com.dyuproject.protostuff.Message;
import com.dyuproject.protostuff.Morph;
import com.dyuproject.protostuff.Output;
import com.dyuproject.protostuff.Pipe;
import com.dyuproject.protostuff.Schema;
import com.dyuproject.protostuff.Tag;
import com.dyuproject.protostuff.WireFormat.FieldType;
import com.dyuproject.protostuff.runtime.MappedSchema.Field;

/**
 * Static utility for creating runtime {@link java.util.Map} fields.
 *
 * @author David Yu
 * @created Jan 21, 2011
 */
final class RuntimeMapFieldFactory
{

    private RuntimeMapFieldFactory() {}
    
    /*private static final DerivativeSchema POLYMORPHIC_MAP_VALUE_SCHEMA = 
        new DerivativeSchema()
    {
        @SuppressWarnings("unchecked")
        protected void doMergeFrom(Input input, Schema derivedSchema, 
                Object owner) throws IOException
        {
            final Object value = derivedSchema.newMessage();
            
            // the owner will always be the MapWrapper
            ((MapWrapper)owner).setValue(value);
            
            if(input instanceof GraphInput)
            {
                // update the actual reference.
                ((GraphInput)input).updateLast(value, owner);
            }
            
            derivedSchema.mergeFrom(input, value);
        }
    };*/
    
    /*private static final ObjectSchema OBJECT_MAP_VALUE_SCHEMA = 
        new ObjectSchema()
    {
        @SuppressWarnings("unchecked")
        protected void setValue(Object value, Object owner)
        {
            // the owner will always be the MapWrapper
            ((MapWrapper)owner).setValue(value);
        }
    };*/
    
    private static  Field createMapInlineKEnumV(int number, String name, 
            final java.lang.reflect.Field f, MessageFactory messageFactory, 
            final Delegate inlineK, 
            final Class clazzV, IdStrategy strategy)
    {
        final EnumIO eioV = strategy.getEnumIO(clazzV);
        
        return new RuntimeMapField>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map> existing;
                try
                {
                    existing = (Map>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper> wrapper) 
            throws IOException
            {
                return inlineK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                inlineK.writeTo(output, fieldNumber, key, repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineK.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper> wrapper, 
                    Object key) throws IOException
            {
                wrapper.put(key, eioV.readFrom(input));
            }
            protected void vTo(Output output, int fieldNumber, Enum val, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, val);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
        };
    }
    
    private static  Field createMapInlineKInlineV(int number, String name, 
            final java.lang.reflect.Field f, MessageFactory messageFactory, 
            final Delegate inlineK, 
            final Delegate inlineV)
    {
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return inlineK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                inlineK.writeTo(output, fieldNumber, key, repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineK.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                wrapper.put(key, inlineV.readFrom(input));
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                inlineV.writeTo(output, fieldNumber, val, repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineV.transfer(pipe, input, output, number, repeated);
            }
        };
    }
    
    private static  Field createMapInlineKPojoV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Delegate inlineK, 
            final Class clazzV, IdStrategy strategy)
    {
        final HasSchema schemaV = strategy.getSchemaWrapper(clazzV, true);
        
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return inlineK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                inlineK.writeTo(output, fieldNumber, key, repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineK.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                wrapper.put(key, input.mergeObject(null, schemaV.getSchema()));
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, schemaV.getSchema(), repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaV.getPipeSchema(), repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapInlineKPojoV(number, name, f, 
                        messageFactory, inlineK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapInlineKPolymorphicV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Delegate inlineK, 
            final Class clazzV, final IdStrategy strategy)
    {
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return inlineK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                inlineK.writeTo(output, fieldNumber, key, repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineK.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }

                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA.pipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapInlineKPolymorphicV(number, name, f, 
                        messageFactory, inlineK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapInlineKObjectV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Delegate inlineK, 
            final Schema valueSchema, final Pipe.Schema valuePipeSchema, 
            final IdStrategy strategy)
    {
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return inlineK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                inlineK.writeTo(output, fieldNumber, key, repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineK.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        valueSchema);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }

                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, valueSchema, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, valuePipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapInlineKObjectV(number, name, f, 
                        messageFactory, inlineK, valueSchema, valuePipeSchema, strategy);
            }
        };
    }
    
    private static  Field createMapEnumKEnumV(int number, String name, 
            final java.lang.reflect.Field f, MessageFactory messageFactory,  
            final Class clazzK, 
            final Class clazzV, IdStrategy strategy)
    {
        final EnumIO eioK = strategy.getEnumIO(clazzK);
        final EnumIO eioV = strategy.getEnumIO(clazzV);
        
        return new RuntimeMapField,Enum>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map,Enum>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map,Enum> existing;
                try
                {
                    existing = (Map,Enum>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Enum kFrom(Input input, MapWrapper,Enum> wrapper) 
            throws IOException
            {
                return eioK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Enum key, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, key);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper,Enum> wrapper, 
                    Enum key) throws IOException
            {
                wrapper.put(key, eioV.readFrom(input));
            }
            protected void vTo(Output output, int fieldNumber, Enum val, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, val);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
        };
    }
    
    private static  Field createMapEnumKInlineV(int number, String name, 
            final java.lang.reflect.Field f, MessageFactory messageFactory, 
            final Class clazzK, 
            final Delegate inlineV, IdStrategy strategy)
    {
        final EnumIO eioK = strategy.getEnumIO(clazzK);
        
        return new RuntimeMapField,Object>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map,Object>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map,Object> existing;
                try
                {
                    existing = (Map,Object>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Enum kFrom(Input input, MapWrapper,Object> wrapper) 
            throws IOException
            {
                return eioK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Enum key, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, key);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper,Object> wrapper, 
                    Enum key) throws IOException
            {
                wrapper.put(key, inlineV.readFrom(input));
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                inlineV.writeTo(output, fieldNumber, val, repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineV.transfer(pipe, input, output, number, repeated);
            }
        };
    }
    
    private static  Field createMapEnumKPojoV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Class clazzV, IdStrategy strategy)
    {
        final EnumIO eioK = strategy.getEnumIO(clazzK);
        final HasSchema schemaV = strategy.getSchemaWrapper(clazzV, true);
        
        return new RuntimeMapField,Object>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map,Object>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map,Object> existing;
                try
                {
                    existing = (Map,Object>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Enum kFrom(Input input, MapWrapper,Object> wrapper) 
            throws IOException
            {
                return eioK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Enum key, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, key);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper,Object> wrapper, 
                    Enum key) throws IOException
            {
                wrapper.put(key, input.mergeObject(null, schemaV.getSchema()));
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, schemaV.getSchema(), repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaV.getPipeSchema(), repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapEnumKPojoV(number, name, f, 
                        messageFactory, clazzK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapEnumKPolymorphicV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Class clazzV, final IdStrategy strategy)
    {
        final EnumIO eioK = strategy.getEnumIO(clazzK);
        
        return new RuntimeMapField,Object>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map,Object>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map,Object> existing;
                try
                {
                    existing = (Map,Object>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Enum kFrom(Input input, MapWrapper,Object> wrapper) 
            throws IOException
            {
                return eioK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Enum key, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, key);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper,Object> wrapper, 
                    Enum key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }
                
                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA.pipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapEnumKPolymorphicV(number, name, f, 
                        messageFactory, clazzK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapEnumKObjectV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Schema valueSchema, final Pipe.Schema valuePipeSchema, 
            final IdStrategy strategy)
    {
        final EnumIO eioK = strategy.getEnumIO(clazzK);
        
        return new RuntimeMapField,Object>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map,Object>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map,Object> existing;
                try
                {
                    existing = (Map,Object>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Enum kFrom(Input input, MapWrapper,Object> wrapper) 
            throws IOException
            {
                return eioK.readFrom(input);
            }
            protected void kTo(Output output, int fieldNumber, Enum key, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, key);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
            protected void vPutFrom(Input input, MapWrapper,Object> wrapper, 
                    Enum key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        valueSchema);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }
                
                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, valueSchema, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, valuePipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapEnumKObjectV(number, name, f, 
                        messageFactory, clazzK, valueSchema, valuePipeSchema, strategy);
            }
        };
    }
    
    private static  Field createMapPojoKEnumV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Class clazzV, IdStrategy strategy)
    {
        final HasSchema schemaK = strategy.getSchemaWrapper(clazzK, true);
        final EnumIO eioV = strategy.getEnumIO(clazzV);
        
        return new RuntimeMapField>(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map>)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map> existing;
                try
                {
                    existing = (Map>)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper> wrapper) 
            throws IOException
            {
                return input.mergeObject(null, schemaK.getSchema());
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, key, schemaK.getSchema(), repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaK.getPipeSchema(), repeated);
            }
            protected void vPutFrom(Input input, MapWrapper> wrapper, 
                    Object key) throws IOException
            {
                wrapper.put(key, eioV.readFrom(input));
            }
            protected void vTo(Output output, int fieldNumber, Enum val, 
                    boolean repeated) throws IOException
            {
                EnumIO.writeTo(output, fieldNumber, repeated, val);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                EnumIO.transfer(pipe, input, output, number, repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapPojoKEnumV(number, name, f, 
                        messageFactory, clazzK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapPojoKInlineV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Delegate inlineV, IdStrategy strategy)
    {
        final HasSchema schemaK = strategy.getSchemaWrapper(clazzK, true);
        
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return input.mergeObject(null, schemaK.getSchema());
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, key, schemaK.getSchema(), repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaK.getPipeSchema(), repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                wrapper.put(key, inlineV.readFrom(input));
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                inlineV.writeTo(output, fieldNumber, val, repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                inlineV.transfer(pipe, input, output, number, repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapPojoKInlineV(number, name, f, 
                        messageFactory, clazzK, inlineV, strategy);
            }
        };
    }
    
    private static  Field createMapPojoKPojoV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Class clazzV, IdStrategy strategy)
    {
        final HasSchema schemaK = strategy.getSchemaWrapper(clazzK, true);
        final HasSchema schemaV = strategy.getSchemaWrapper(clazzV, true);
        
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return input.mergeObject(null, schemaK.getSchema());
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, key, schemaK.getSchema(), repeated);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaK.getPipeSchema(), repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                wrapper.put(key, input.mergeObject(null, schemaV.getSchema()));
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, schemaV.getSchema(), repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaV.getPipeSchema(), repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapPojoKPojoV(number, name, f, 
                        messageFactory, clazzK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapPojoKPolymorphicV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Class clazzV, final IdStrategy strategy)
    {
        final HasSchema schemaK = strategy.getSchemaWrapper(clazzK, true);
        
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return input.mergeObject(null, schemaK.getSchema());
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaK.getPipeSchema(), repeated);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, key, schemaK.getSchema(), repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }

                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, strategy.POLYMORPHIC_POJO_ELEMENT_SCHEMA.pipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapPojoKPolymorphicV(number, name, f, 
                        messageFactory, clazzK, clazzV, strategy);
            }
        };
    }
    
    private static  Field createMapPojoKObjectV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Class clazzK, 
            final Schema valueSchema, final Pipe.Schema valuePipeSchema, 
            final IdStrategy strategy)
    {
        final HasSchema schemaK = strategy.getSchemaWrapper(clazzK, true);
        
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                return input.mergeObject(null, schemaK.getSchema());
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schemaK.getPipeSchema(), repeated);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, key, schemaK.getSchema(), repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        valueSchema);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }

                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, valueSchema, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, valuePipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapPojoKObjectV(number, name, f, 
                        messageFactory, clazzK, valueSchema, valuePipeSchema, strategy);
            }
        };
    }
    
    private static  Field createMapObjectKObjectV(int number, String name, 
            final java.lang.reflect.Field f, final MessageFactory messageFactory, 
            final Schema keySchema, final Pipe.Schema keyPipeSchema,
            final Schema valueSchema, final Pipe.Schema valuePipeSchema, 
            final IdStrategy strategy)
    {
        return new RuntimeMapField(FieldType.MESSAGE, 
                number, name, 
                f.getAnnotation(Tag.class), 
                messageFactory)
        {
            
            {
                f.setAccessible(true);
            }
            @SuppressWarnings("unchecked")
            protected void mergeFrom(Input input, T message) throws IOException
            {
                try
                {
                    f.set(message, input.mergeObject((Map)f.get(message), 
                            schema));
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
            }
            @SuppressWarnings("unchecked")
            protected void writeTo(Output output, T message) throws IOException
            {
                final Map existing;
                try
                {
                    existing = (Map)f.get(message);
                }
                catch(IllegalArgumentException e)
                {
                    throw new RuntimeException(e);
                }
                catch(IllegalAccessException e)
                {
                    throw new RuntimeException(e);
                }
                
                if(existing != null)
                    output.writeObject(number, existing, schema, false);
            }
            protected void transfer(Pipe pipe, Input input, Output output, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, schema.pipeSchema, repeated);
            }
            protected Object kFrom(Input input, MapWrapper wrapper) 
            throws IOException
            {
                final Object value = input.mergeObject(wrapper, keySchema);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    return value;
                }
                
                return wrapper.setValue(null);
            }
            protected void kTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, keyPipeSchema, 
                        repeated);
            }
            protected void kTo(Output output, int fieldNumber, Object key, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, key, keySchema, 
                        repeated);
            }
            protected void vPutFrom(Input input, MapWrapper wrapper, 
                    Object key) throws IOException
            {
                final Object value = input.mergeObject(wrapper, 
                        valueSchema);
                if(value != wrapper)
                {
                    // referenced.
                    // An entry would never have a cyclic reference.
                    ((GraphInput)input).updateLast(value, wrapper);
                    
                    wrapper.put(key, value);
                    return;
                }

                if(key != null)
                {
                    // we can already add the entry.
                    wrapper.put(key, wrapper.setValue(null));
                }
            }
            protected void vTo(Output output, int fieldNumber, Object val, 
                    boolean repeated) throws IOException
            {
                output.writeObject(fieldNumber, val, valueSchema, 
                        repeated);
            }
            protected void vTransfer(Pipe pipe, Input input, Output output, int number, 
                    boolean repeated) throws IOException
            {
                output.writeObject(number, pipe, valuePipeSchema, 
                        repeated);
            }
            @Override
            protected Field copy(IdStrategy strategy)
            {
                return createMapObjectKObjectV(number, name, f, 
                        messageFactory, keySchema, keyPipeSchema, 
                        valueSchema, valuePipeSchema, strategy);
            }
        };
    }
    
    static final RuntimeFieldFactory> MAP = new RuntimeFieldFactory>(RuntimeFieldFactory.ID_MAP)
    {

        @SuppressWarnings("unchecked")
        public  Field create(int number, String name, final java.lang.reflect.Field f, IdStrategy strategy)
        {
            final Class clazz = f.getType();
            if(Modifier.isAbstract(clazz.getModifiers()))
            {
                if(!clazz.isInterface())
                {
                    // abstract class
                    return OBJECT.create(number, name, f, strategy);
                }
                
                final Morph morph = f.getAnnotation(Morph.class);
                if(morph == null)
                {
                    if(RuntimeEnv.MORPH_MAP_INTERFACES)
                        return OBJECT.create(number, name, f, strategy);
                }
                else if(morph.value())
                    return OBJECT.create(number, name, f, strategy);
            }
            
            final MessageFactory messageFactory;
            if(EnumMap.class.isAssignableFrom(f.getType()))
            {
                final Class enumType = (Class)getGenericType(f, 0);
                if(enumType == null)
                {
                    // still handle the serialization of EnumMaps even without generics
                    return RuntimeFieldFactory.OBJECT.create(number, name, f, strategy);
                }
                
                messageFactory = strategy.getEnumIO(enumType).getEnumMapFactory();
            }
            else
            {
                messageFactory = strategy.getMapFactory(f.getType());
            }
            
            final Class clazzK = (Class)getGenericType(f, 0);
            if (clazzK == null || ((Map.class.isAssignableFrom(clazzK) || 
                    Collection.class.isAssignableFrom(clazzK)) && 
                    !strategy.isRegistered(clazzK)))
            {
                // the key is not a simple parameterized type.
                return createMapObjectKObjectV(number, name, f, messageFactory, 
                        strategy.OBJECT_ELEMENT_SCHEMA, 
                        strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                        strategy.OBJECT_ELEMENT_SCHEMA, 
                        strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                        strategy);
            }
            
            final Class clazzV = (Class)getGenericType(f, 1);
            if (clazzV == null || ((Map.class.isAssignableFrom(clazzV) || 
                    Collection.class.isAssignableFrom(clazzV)) && 
                    !strategy.isRegistered(clazzV)))
            {
                // the value is not a simple parameterized type.
                final Delegate inlineK = getDelegateOrInline(clazzK, strategy);
                if(inlineK != null)
                {
                    return createMapInlineKObjectV(number, name, f, messageFactory, inlineK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                if(Message.class.isAssignableFrom(clazzK))
                {
                    return createMapPojoKObjectV(number, name, f, messageFactory, clazzK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                if(clazzK.isEnum())
                {
                    return createMapEnumKObjectV(number, name, f, messageFactory, clazzK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                final PolymorphicSchema psK = 
                        PolymorphicSchemaFactories.getSchemaFromCollectionOrMapGenericType(
                                clazzK, strategy);
                
                if(psK != null)
                {
                    return createMapObjectKObjectV(number, name, f, messageFactory, 
                            psK, 
                            psK.getPipeSchema(), 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                if(pojo(clazzK, f.getAnnotation(Morph.class), strategy))
                {
                    return createMapPojoKObjectV(number, name, f, messageFactory, clazzK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                /*if(clazzK.isInterface())
                {
                    return createMapObjectKObjectV(number, name, f, messageFactory, 
                            strategy.OBJECT_COLLECTION_VALUE_SCHEMA, 
                            strategy.OBJECT_COLLECTION_VALUE_SCHEMA.pipeSchema, 
                            strategy.OBJECT_COLLECTION_VALUE_SCHEMA, 
                            strategy.OBJECT_COLLECTION_VALUE_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                // TODO add createMapPolymorphicKObjectV?*/
                return createMapObjectKObjectV(number, name, f, messageFactory, 
                        strategy.OBJECT_ELEMENT_SCHEMA, 
                        strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                        strategy.OBJECT_ELEMENT_SCHEMA, 
                        strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                        strategy);
            }
            
            final Delegate inlineK = getDelegateOrInline(clazzK, strategy);
            
            if(inlineK != null)
            {
                final Delegate inlineV = getDelegateOrInline(clazzV, strategy);
                if(inlineV != null)
                    return createMapInlineKInlineV(number, name, f, messageFactory, inlineK, inlineV);
                
                if(Message.class.isAssignableFrom(clazzV))
                    return createMapInlineKPojoV(number, name, f, messageFactory, inlineK, clazzV, strategy);
                
                if(clazzV.isEnum())
                    return createMapInlineKEnumV(number, name, f, messageFactory, inlineK, clazzV, strategy);
                
                final PolymorphicSchema psV = 
                        PolymorphicSchemaFactories.getSchemaFromCollectionOrMapGenericType(
                                clazzV, strategy);
                if(psV != null)
                {
                    return createMapInlineKObjectV(number, name, f, messageFactory, inlineK, 
                            psV, 
                            psV.getPipeSchema(), 
                            strategy);
                }
                
                if(pojo(clazzV, f.getAnnotation(Morph.class), strategy))
                    return createMapInlineKPojoV(number, name, f, messageFactory, inlineK, clazzV, strategy);
                
                if(clazzV.isInterface())
                {
                    return createMapInlineKObjectV(number, name, f, messageFactory, inlineK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                return createMapInlineKPolymorphicV(number, name, f, messageFactory, inlineK, clazzV, strategy);
            }

            if(clazzK.isEnum())
            {
                final Delegate inlineV = getDelegateOrInline(clazzV, strategy);
                if(inlineV != null)
                    return createMapEnumKInlineV(number, name, f, messageFactory, clazzK, inlineV, strategy);
                
                if(Message.class.isAssignableFrom(clazzV))
                    return createMapEnumKPojoV(number, name, f, messageFactory, clazzK, clazzV, strategy);
                
                if(clazzV.isEnum())
                    return createMapEnumKEnumV(number, name, f, messageFactory, clazzK, clazzV, strategy);
                
                final PolymorphicSchema psV = 
                        PolymorphicSchemaFactories.getSchemaFromCollectionOrMapGenericType(
                                clazzV, strategy);
                if(psV != null)
                {
                    return createMapEnumKObjectV(number, name, f, messageFactory, clazzK, 
                            psV, 
                            psV.getPipeSchema(), 
                            strategy);
                }
                
                if(pojo(clazzV, f.getAnnotation(Morph.class), strategy))
                    return createMapEnumKPojoV(number, name, f, messageFactory, clazzK, clazzV, strategy);
                
                if(clazzV.isInterface())
                {
                    return createMapEnumKObjectV(number, name, f, messageFactory, clazzK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                return createMapEnumKPolymorphicV(number, name, f, messageFactory, clazzK, clazzV, strategy);
            }
            
            final PolymorphicSchema psK = 
                    PolymorphicSchemaFactories.getSchemaFromCollectionOrMapGenericType(
                            clazzK, strategy);
            if(psK != null)
            {
                return createMapObjectKObjectV(number, name, f, messageFactory, 
                        psK, 
                        psK.getPipeSchema(), 
                        strategy.OBJECT_ELEMENT_SCHEMA, 
                        strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                        strategy);
            }
            
            if(pojo(clazzK, f.getAnnotation(Morph.class), strategy))
            {
                final Delegate inlineV = getDelegateOrInline(clazzV, strategy);
                if(inlineV != null)
                    return createMapPojoKInlineV(number, name, f, messageFactory, clazzK, inlineV, strategy);
                
                if(Message.class.isAssignableFrom(clazzV))
                    return createMapPojoKPojoV(number, name, f, messageFactory, clazzK, clazzV, strategy);
                
                if(clazzV.isEnum())
                    return createMapPojoKEnumV(number, name, f, messageFactory, clazzK, clazzV, strategy);
                
                final PolymorphicSchema psV = 
                        PolymorphicSchemaFactories.getSchemaFromCollectionOrMapGenericType(
                                clazzV, strategy);
                if(psV != null)
                {
                    return createMapPojoKObjectV(number, name, f, messageFactory, clazzK, 
                            psV, 
                            psV.getPipeSchema(), 
                            strategy);
                }
                    
                if(pojo(clazzV, f.getAnnotation(Morph.class), strategy))
                    return createMapPojoKPojoV(number, name, f, messageFactory, clazzK, clazzV, strategy);
                
                if(clazzV.isInterface())
                {
                    return createMapPojoKObjectV(number, name, f, messageFactory, clazzK, 
                            strategy.OBJECT_ELEMENT_SCHEMA, 
                            strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                            strategy);
                }
                
                return createMapPojoKPolymorphicV(number, name, f, messageFactory, clazzK, clazzV, strategy);
            }
            
            return createMapObjectKObjectV(number, name, f, messageFactory, 
                    strategy.OBJECT_ELEMENT_SCHEMA, 
                    strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                    strategy.OBJECT_ELEMENT_SCHEMA, 
                    strategy.OBJECT_ELEMENT_SCHEMA.pipeSchema, 
                    strategy);
        }
        public void transfer(Pipe pipe, Input input, Output output, int number, 
                boolean repeated) throws IOException
        {
            throw new UnsupportedOperationException();
        }
        public Map readFrom(Input input) throws IOException
        {
            throw new UnsupportedOperationException();
        }
        public void writeTo(Output output, int number, Map  value, boolean repeated) 
        throws IOException
        {
            throw new UnsupportedOperationException();
        }
        public FieldType getFieldType()
        {
            throw new UnsupportedOperationException();
        }
        public Class typeClass()
        {
            throw new UnsupportedOperationException();
        }
    };
    
}