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diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/MutableBindingFactory.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/MutableBindingFactory.java
new file mode 100644
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+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/MutableBindingFactory.java
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+/*******************************************************************************
+ *  Copyright (c) 2010 Association for Decentralized Information Management in
+ *  Industry THTH ry.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *      VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.databoard.binding.factory;
+
+import java.util.Map;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.error.BindingConstructionException;
+import org.simantics.databoard.binding.impl.ArrayListBinding;
+import org.simantics.databoard.binding.impl.TreeMapBinding;
+import org.simantics.databoard.binding.mutable.ContainerOptionalBinding;
+import org.simantics.databoard.binding.mutable.MutableBooleanBinding;
+import org.simantics.databoard.binding.mutable.MutableByteBinding;
+import org.simantics.databoard.binding.mutable.MutableDoubleBinding;
+import org.simantics.databoard.binding.mutable.MutableFloatBinding;
+import org.simantics.databoard.binding.mutable.MutableIntegerBinding;
+import org.simantics.databoard.binding.mutable.MutableLongBinding;
+import org.simantics.databoard.binding.mutable.MutableStringBinding;
+import org.simantics.databoard.binding.mutable.UnionTaggedObjectBinding;
+import org.simantics.databoard.type.ArrayType;
+import org.simantics.databoard.type.BooleanType;
+import org.simantics.databoard.type.ByteType;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.databoard.type.DoubleType;
+import org.simantics.databoard.type.FloatType;
+import org.simantics.databoard.type.IntegerType;
+import org.simantics.databoard.type.LongType;
+import org.simantics.databoard.type.MapType;
+import org.simantics.databoard.type.OptionalType;
+import org.simantics.databoard.type.RecordType;
+import org.simantics.databoard.type.StringType;
+import org.simantics.databoard.type.UnionType;
+
+/**
+ * MutableBindingScheme is a type to binding mapping that binds any DataType to an Object.
+ * All resulting bindings are completely mutable java classes.
+ * 
+ * DataType           | Class of the bound instance
+ * ===================|==================
+ * BooleanType        | MutableBoolean.class
+ * ByteType           | MutableByte.class
+ * FloatType          | MutableFloat.class
+ * DoubleType         | MutableDouble.class
+ * IntegerType        | MutableInt.class
+ * LongType           | MutableLong.class
+ * StringType         | MutableString.class
+ * UnionType          | TaggedObject.class
+ * OptionType         | ValueContainer.class
+ * RecordType         | Object[].class
+ * ArrayType          | ArrayList.class
+ * MapType            | TreeMap.class
+ * VariantType        | MutableVariant.class
+ *
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+
+public class MutableBindingFactory extends TypeBindingFactory {
+
+	/**
+	 * Construct a binding factory.
+	 */
+	public MutableBindingFactory() {
+		super();
+	}
+	
+	/**
+	 * Construct a scheme factory that appends constructed bindings to the user given
+	 * repository  
+	 * 
+	 * @param repository repository where bindings are placed
+	 */
+	public MutableBindingFactory(Map<Datatype, Binding> repository) {
+		super(repository);
+	}
+
+	@Override
+	protected Binding doConstruct(Datatype type)
+			throws BindingConstructionException {
+
+		// Exact, non-annotated types
+		if (type.equals( Bindings.BOOLEAN.type() )) return Bindings.MUTABLE_BOOLEAN;
+		if (type.equals( Bindings.BYTE.type() )) return Bindings.MUTABLE_BYTE;
+		if (type.equals( Bindings.INTEGER.type() )) return Bindings.MUTABLE_INTEGER;
+		if (type.equals( Bindings.LONG.type() )) return Bindings.MUTABLE_LONG;
+		if (type.equals( Bindings.FLOAT.type() )) return Bindings.MUTABLE_FLOAT;
+		if (type.equals( Bindings.DOUBLE.type() )) return Bindings.MUTABLE_DOUBLE;
+		if (type.equals( Bindings.STRING.type() )) return Bindings.MUTABLE_STRING;
+		if (type.equals( Bindings.VARIANT.type() )) return Bindings.MUTABLE_VARIANT;
+		
+		// Annotated types 
+		if (type instanceof BooleanType) return new MutableBooleanBinding((BooleanType)type);
+		if (type instanceof DoubleType) return new MutableDoubleBinding((DoubleType)type);
+		if (type instanceof FloatType) return new MutableFloatBinding((FloatType)type);
+		if (type instanceof ByteType) return new MutableByteBinding((ByteType)type);
+		if (type instanceof IntegerType) return new MutableIntegerBinding((IntegerType)type);
+		if (type instanceof LongType) return new MutableLongBinding((LongType)type);
+		if (type instanceof StringType) return new MutableStringBinding((StringType)type);
+		
+		// Constructed types
+		if (type instanceof ArrayType) {
+			ArrayType arrayType = (ArrayType) type;
+			Datatype componentType = arrayType.componentType();
+
+			ArrayListBinding binding = new ArrayListBinding(arrayType, null);
+			inprogress.put(type, binding);
+			binding.componentBinding = construct( componentType );						
+			inprogress.remove(type);
+			return binding;
+		}
+		
+		if (type instanceof OptionalType) {
+			OptionalType optionalType = (OptionalType) type;
+			Datatype componentType = optionalType.componentType;
+			ContainerOptionalBinding binding = new ContainerOptionalBinding( optionalType, null );
+			inprogress.put(type, binding);
+			binding.componentBinding = construct( componentType );
+			inprogress.remove(type);
+			return binding;
+		}
+		
+		if (type instanceof RecordType) {			
+			RecordType recordType = (RecordType) type;
+			Binding componentBindings[] = new Binding[ recordType.getComponentCount() ];
+			RecordObjectArrayBinding binding = new RecordObjectArrayBinding(recordType, componentBindings);
+			inprogress.put(type, binding);
+			for (int i=0; i<componentBindings.length; i++) {
+				componentBindings[i] = construct( recordType.getComponentType(i) );
+			}
+			inprogress.remove(type);
+			return binding;
+		}
+		
+		if (type instanceof UnionType) {
+			UnionType unionType = (UnionType) type;
+			Binding componentBindings[] = new Binding[ unionType.components.length ];
+			UnionTaggedObjectBinding binding = new UnionTaggedObjectBinding(unionType, componentBindings);
+			inprogress.put(type, binding);
+			for (int i=0; i<componentBindings.length; i++) {
+				componentBindings[i] = construct( unionType.getComponent(i).type );
+			}
+			inprogress.remove(type);
+			return binding;
+		}		
+		
+		if (type instanceof MapType) {			
+			MapType mapType = (MapType) type;
+			TreeMapBinding binding = new TreeMapBinding(mapType, null, null);
+			inprogress.put(type, binding);
+			binding.setKeyBinding( construct(mapType.keyType) );
+			binding.setValueBinding( construct(mapType.valueType) );
+			inprogress.remove(type);
+			return binding;
+		}
+		
+		throw new BindingConstructionException("Unexpected, I don't know how to create binding for "+type);
+	}
+
+	@Override
+	public boolean supportsType(Datatype type) {
+		// unexpected
+		if (failures.containsKey(type)) return false;
+		return true;
+	}
+	
+}
+
+
+
+
+
+