diff --git a/ESObjectMap/ESBaseModelObject.h b/ESObjectMap/ESBaseModelObject.h
index 9ac3356..c3d8776 100644
--- a/ESObjectMap/ESBaseModelObject.h
+++ b/ESObjectMap/ESBaseModelObject.h
@@ -18,15 +18,12 @@
 //  
 
 #import <Foundation/Foundation.h>
-#import "NSObject+PropertyDictionary.h"
 #import "ESObjectMap.h"
+#import "ESObjectProtocol.h"
 
-@interface ESBaseModelObject : NSObject
+@interface ESBaseModelObject : NSObject <ESObject>
 
-+ (ESObjectMap *)objectMap;
 + (id)newWithDictionary:(NSDictionary *)dictionary;
 - (id)initWithDictionary:(NSDictionary *)dictionary;
-- (void)configureWithDictionary:(NSDictionary *)dictionary;
-- (NSDictionary *)dictionaryRepresentation;
 
 @end
diff --git a/ESObjectMap/ESBaseModelObject.m b/ESObjectMap/ESBaseModelObject.m
index 165f2c6..4a568b4 100644
--- a/ESObjectMap/ESBaseModelObject.m
+++ b/ESObjectMap/ESBaseModelObject.m
@@ -45,174 +45,12 @@ - (id)initWithDictionary:(NSDictionary *)dictionary
 
 - (void)configureWithDictionary:(NSDictionary *)dictionary
 {
-	NSDictionary *propertyDictionary = [[self class] propertyDictionary];
-	ESObjectMap *objectMap = [[self class] objectMap];
-	for (ESDeclaredPropertyAttributes *attributes in [propertyDictionary allValues])
-	{
-		@autoreleasepool {
-			NSString *inputKey;
-			NSString *outputKey;
-			id dictionaryValue;
-			id propertyValue;
-			
-			outputKey = attributes.name;
-			if (outputKey == nil)
-				continue;
-			// Get the property map, if it exists
-			ESPropertyMap *propertyMap = [objectMap propertyMapForOutputKey:outputKey];
-			if (propertyMap == nil) // If there's no property map, then assume inputKey simply maps to outputKey
-				inputKey = outputKey;
-			else // If there is a property map, get the input key
-				inputKey = propertyMap.inputKey;
-			// Grab our value from the input dictionary
-			dictionaryValue = [dictionary objectForKey:inputKey];
-			if (dictionaryValue == nil)
-				continue;
-			// At this point we have a value to work with, so let's make sure we can actually set it
-			if (attributes.readOnly)
-				[NSException raise:@"Readonly Exception" format:@"Attempted to set a readonly property: %@", attributes];
-			switch (attributes.storageType) {
-				case IDType:
-					// If there's a transform block, execute it
-					if (propertyMap.transformBlock)
-						propertyValue = propertyMap.transformBlock(dictionaryValue);
-					else
-						propertyValue = dictionaryValue;
-					if (propertyValue == nil)
-						continue;
-					[self setValue:propertyValue forKey:outputKey];
-					break;
-				case ObjectType:
-					// If there's a transform block, execute it
-					if (propertyMap.transformBlock)
-						propertyValue = propertyMap.transformBlock(dictionaryValue);
-					else
-						propertyValue = dictionaryValue;
-					if (propertyValue == nil)
-						continue;
-					Class class = NSClassFromString(attributes.classString);
-					if (class && ![propertyValue isKindOfClass:class])
-						[NSException raise:@"Class Mismatch" format:@"Object: %@ is not kind of class: %@", propertyValue, NSStringFromClass(class)];
-					[self setValue:propertyValue forKey:outputKey];
-					break;
-				case IntType:
-				{
-					int intPropertyValue = 0;
-					// If there's a transform block, execute it
-					if (((ESIntPropertyMap *)propertyMap).intTransformBlock)
-						intPropertyValue = ((ESIntPropertyMap *)propertyMap).intTransformBlock(dictionaryValue);
-					else
-						intPropertyValue = [dictionaryValue intValue];
-					SetPrimitivePropertyValue(self, attributes.setter, &intPropertyValue);
-					break;
-				}
-				case DoubleType:
-				{
-					double doublePropertyValue = 0.0;
-					// If there's a transform block, execute it
-					if (((ESDoublePropertyMap *)propertyMap).doubleTransformBlock)
-						doublePropertyValue = ((ESDoublePropertyMap *)propertyMap).doubleTransformBlock(dictionaryValue);
-					else
-						doublePropertyValue = [dictionaryValue doubleValue];
-					SetPrimitivePropertyValue(self, attributes.setter, &doublePropertyValue);
-					break;
-				}
-				case FloatType:
-				{
-					float floatPropertyValue = 0.0f;
-					// If there's a transform block, execute it
-					if (((ESFloatPropertyMap *)propertyMap).floatTransformBlock)
-						floatPropertyValue = ((ESFloatPropertyMap *)propertyMap).floatTransformBlock(dictionaryValue);
-					else
-						floatPropertyValue = [dictionaryValue floatValue];
-					SetPrimitivePropertyValue(self, attributes.setter, &floatPropertyValue);
-					break;
-				}
-				case BoolType:
-				{
-					BOOL boolPropertyValue = NO;
-					// If there's a transform block, execute it
-					if (((ESBOOLPropertyMap *)propertyMap).boolTransformBlock)
-						boolPropertyValue = ((ESBOOLPropertyMap *)propertyMap).boolTransformBlock(dictionaryValue);
-					else
-						boolPropertyValue = [dictionaryValue boolValue];
-					SetPrimitivePropertyValue(self, attributes.setter, &boolPropertyValue);
-					break;
-				}
-				default:
-					break;
-			}
-		}
-	}
+	ConfigureObjectWithDictionary(self, dictionary);
 }
 
 - (NSDictionary *)dictionaryRepresentation
 {
-	NSMutableDictionary *dictionaryRepresentation = [NSMutableDictionary new];
-	NSDictionary *propertyDictionary = [[self class] propertyDictionary];
-	ESObjectMap *objectMap = [[self class] objectMap];
-	for (ESDeclaredPropertyAttributes *attributes in [propertyDictionary allValues])
-	{
-		@autoreleasepool {
-			NSString *inputKey;
-			NSString *outputKey;
-			id dictionaryValue;
-			id propertyValue;
-			
-			outputKey = attributes.name;
-			if (outputKey == nil)
-				continue;
-			// Get the property map, if it exists
-			ESPropertyMap *propertyMap = [objectMap propertyMapForOutputKey:outputKey];
-			if (propertyMap == nil) // If there's no property map, then assume inputKey simply maps to outputKey
-				inputKey = outputKey;
-			else // If there is a property map, get the input key
-				inputKey = propertyMap.inputKey;
-			switch (attributes.storageType) {
-				case IDType:
-				case ObjectType:
-					propertyValue = [self valueForKey:outputKey];
-					if (propertyMap.inverseTransformBlock)
-						dictionaryValue = propertyMap.inverseTransformBlock(propertyValue);
-					else
-						dictionaryValue = propertyValue;
-					break;
-				case IntType:
-				{
-					int result;
-					GetPrimitivePropertyValue(self, attributes.getter, &result);
-					dictionaryValue = [NSNumber numberWithInt:result];
-					break;
-				}
-				case DoubleType:
-				{
-					double result;
-					GetPrimitivePropertyValue(self, attributes.getter, &result);
-					dictionaryValue = [NSNumber numberWithDouble:result];
-					break;
-				}
-				case FloatType:
-				{
-					float result;
-					GetPrimitivePropertyValue(self, attributes.getter, &result);
-					dictionaryValue = [NSNumber numberWithFloat:result];
-					break;
-				}
-				case BoolType:
-				{
-					BOOL result;
-					GetPrimitivePropertyValue(self, attributes.getter, &result);
-					dictionaryValue = [NSNumber numberWithBool:result];
-					break;
-				}
-				default:
-					break;
-			}
-			if (dictionaryValue)
-				[dictionaryRepresentation setObject:dictionaryValue forKey:inputKey];
-		}
-	}
-	return dictionaryRepresentation;
+	return GetDictionaryRepresentation(self);
 }
 
 @end
diff --git a/ESObjectMap/ESObjectMapFunctions.h b/ESObjectMap/ESObjectMapFunctions.h
index 5a99cb3..2edbcb7 100644
--- a/ESObjectMap/ESObjectMapFunctions.h
+++ b/ESObjectMap/ESObjectMapFunctions.h
@@ -19,7 +19,10 @@
 
 #import <Foundation/Foundation.h>
 #import "ESObjectMap.h"
+#import "ESObjectProtocol.h"
 
+void ConfigureObjectWithDictionary(id<ESObject> object, NSDictionary *dictionary);
+NSDictionary * GetDictionaryRepresentation(id<ESObject> object);
 ESObjectMap * GetObjectMapForClass(Class objectClass);
 void GetPrimitivePropertyValue(id object, SEL getter, void * value);
 void SetPrimitivePropertyValue(id object, SEL setter, void * value);
diff --git a/ESObjectMap/ESObjectMapFunctions.m b/ESObjectMap/ESObjectMapFunctions.m
index b9a6183..2a4ebec 100644
--- a/ESObjectMap/ESObjectMapFunctions.m
+++ b/ESObjectMap/ESObjectMapFunctions.m
@@ -20,6 +20,179 @@
 #import "ESObjectMapFunctions.h"
 #import "ESMutableDictionary.h"
 #import <objc/runtime.h>
+#import "NSObject+PropertyDictionary.h"
+
+void ConfigureObjectWithDictionary(id<ESObject> object, NSDictionary *dictionary)
+{
+	NSDictionary *propertyDictionary = [[object class] propertyDictionary];
+	ESObjectMap *objectMap = [[object class] objectMap];
+	for (ESDeclaredPropertyAttributes *attributes in [propertyDictionary allValues])
+	{
+		@autoreleasepool {
+			NSString *inputKey;
+			NSString *outputKey;
+			id dictionaryValue;
+			id propertyValue;
+			
+			outputKey = attributes.name;
+			if (outputKey == nil)
+				continue;
+			// Get the property map, if it exists
+			ESPropertyMap *propertyMap = [objectMap propertyMapForOutputKey:outputKey];
+			if (propertyMap == nil) // If there's no property map, then assume inputKey simply maps to outputKey
+				inputKey = outputKey;
+			else // If there is a property map, get the input key
+				inputKey = propertyMap.inputKey;
+			// Grab our value from the input dictionary
+			dictionaryValue = [dictionary objectForKey:inputKey];
+			if (dictionaryValue == nil)
+				continue;
+			// At this point we have a value to work with, so let's make sure we can actually set it
+			if (attributes.readOnly)
+				[NSException raise:@"Readonly Exception" format:@"Attempted to set a readonly property: %@", attributes];
+			switch (attributes.storageType) {
+				case IDType:
+					// If there's a transform block, execute it
+					if (propertyMap.transformBlock)
+						propertyValue = propertyMap.transformBlock(dictionaryValue);
+					else
+						propertyValue = dictionaryValue;
+					if (propertyValue == nil)
+						continue;
+					[object setValue:propertyValue forKey:outputKey];
+					break;
+				case ObjectType:
+					// If there's a transform block, execute it
+					if (propertyMap.transformBlock)
+						propertyValue = propertyMap.transformBlock(dictionaryValue);
+					else
+						propertyValue = dictionaryValue;
+					if (propertyValue == nil)
+						continue;
+					Class class = NSClassFromString(attributes.classString);
+					if (![propertyValue isKindOfClass:class])
+						[NSException raise:@"Class Mismatch" format:@"Object: %@ is not kind of class: %@", propertyValue, NSStringFromClass(class)];
+					[object setValue:propertyValue forKey:outputKey];
+					break;
+				case IntType:
+				{
+					int intPropertyValue = 0;
+					// If there's a transform block, execute it
+					if (((ESIntPropertyMap *)propertyMap).intTransformBlock)
+						intPropertyValue = ((ESIntPropertyMap *)propertyMap).intTransformBlock(dictionaryValue);
+					else
+						intPropertyValue = [dictionaryValue intValue];
+					SetPrimitivePropertyValue(object, attributes.setter, &intPropertyValue);
+					break;
+				}
+				case DoubleType:
+				{
+					double doublePropertyValue = 0.0;
+					// If there's a transform block, execute it
+					if (((ESDoublePropertyMap *)propertyMap).doubleTransformBlock)
+						doublePropertyValue = ((ESDoublePropertyMap *)propertyMap).doubleTransformBlock(dictionaryValue);
+					else
+						doublePropertyValue = [dictionaryValue doubleValue];
+					SetPrimitivePropertyValue(object, attributes.setter, &doublePropertyValue);
+					break;
+				}
+				case FloatType:
+				{
+					float floatPropertyValue = 0.0f;
+					// If there's a transform block, execute it
+					if (((ESFloatPropertyMap *)propertyMap).floatTransformBlock)
+						floatPropertyValue = ((ESFloatPropertyMap *)propertyMap).floatTransformBlock(dictionaryValue);
+					else
+						floatPropertyValue = [dictionaryValue floatValue];
+					SetPrimitivePropertyValue(object, attributes.setter, &floatPropertyValue);
+					break;
+				}
+				case BoolType:
+				{
+					BOOL boolPropertyValue = NO;
+					// If there's a transform block, execute it
+					if (((ESBOOLPropertyMap *)propertyMap).boolTransformBlock)
+						boolPropertyValue = ((ESBOOLPropertyMap *)propertyMap).boolTransformBlock(dictionaryValue);
+					else
+						boolPropertyValue = [dictionaryValue boolValue];
+					SetPrimitivePropertyValue(object, attributes.setter, &boolPropertyValue);
+					break;
+				}
+				default:
+					break;
+			}
+		}
+	}
+}
+
+NSDictionary * GetDictionaryRepresentation(id<ESObject> object)
+{
+	NSMutableDictionary *dictionaryRepresentation = [NSMutableDictionary new];
+	NSDictionary *propertyDictionary = [[object class] propertyDictionary];
+	ESObjectMap *objectMap = [[object class] objectMap];
+	for (ESDeclaredPropertyAttributes *attributes in [propertyDictionary allValues])
+	{
+		@autoreleasepool {
+			NSString *inputKey;
+			NSString *outputKey;
+			id dictionaryValue;
+			id propertyValue;
+			
+			outputKey = attributes.name;
+			if (outputKey == nil)
+				continue;
+			// Get the property map, if it exists
+			ESPropertyMap *propertyMap = [objectMap propertyMapForOutputKey:outputKey];
+			if (propertyMap == nil) // If there's no property map, then assume inputKey simply maps to outputKey
+				inputKey = outputKey;
+			else // If there is a property map, get the input key
+				inputKey = propertyMap.inputKey;
+			switch (attributes.storageType) {
+				case IDType:
+				case ObjectType:
+					propertyValue = [object valueForKey:outputKey];
+					if (propertyMap.inverseTransformBlock)
+						dictionaryValue = propertyMap.inverseTransformBlock(propertyValue);
+					else
+						dictionaryValue = propertyValue;
+					break;
+				case IntType:
+				{
+					int result;
+					GetPrimitivePropertyValue(object, attributes.getter, &result);
+					dictionaryValue = [NSNumber numberWithInt:result];
+					break;
+				}
+				case DoubleType:
+				{
+					double result;
+					GetPrimitivePropertyValue(object, attributes.getter, &result);
+					dictionaryValue = [NSNumber numberWithDouble:result];
+					break;
+				}
+				case FloatType:
+				{
+					float result;
+					GetPrimitivePropertyValue(object, attributes.getter, &result);
+					dictionaryValue = [NSNumber numberWithFloat:result];
+					break;
+				}
+				case BoolType:
+				{
+					BOOL result;
+					GetPrimitivePropertyValue(object, attributes.getter, &result);
+					dictionaryValue = [NSNumber numberWithBool:result];
+					break;
+				}
+				default:
+					break;
+			}
+			if (dictionaryValue)
+				[dictionaryRepresentation setObject:dictionaryValue forKey:inputKey];
+		}
+	}
+	return dictionaryRepresentation;
+}
 
 static ESMutableDictionary *_objectMapCache;
 
diff --git a/ESObjectMap/ESObjectProtocol.h b/ESObjectMap/ESObjectProtocol.h
new file mode 100644
index 0000000..53190f0
--- /dev/null
+++ b/ESObjectMap/ESObjectProtocol.h
@@ -0,0 +1,32 @@
+//
+//  ESObjectProtocol.h
+//	
+//  Created by Doug Russell
+//  Copyright (c) 2011 Doug Russell. All rights reserved.
+//  
+//  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.
+//  
+
+#import <Foundation/Foundation.h>
+#import "NSObject+PropertyDictionary.h"
+#import "ESObjectMap.h"
+
+@protocol ESObject <NSObject>
+
++ (ESObjectMap *)objectMap;
+- (void)configureWithDictionary:(NSDictionary *)dictionary;
+- (NSDictionary *)dictionaryRepresentation;
+- (id)valueForKey:(NSString *)key;
+- (void)setValue:(id)value forKey:(NSString *)key;
+
+@end
diff --git a/ESObjectMap/NSManagedObject+ESObject.h b/ESObjectMap/NSManagedObject+ESObject.h
new file mode 100644
index 0000000..752f87c
--- /dev/null
+++ b/ESObjectMap/NSManagedObject+ESObject.h
@@ -0,0 +1,14 @@
+//
+//  NSManagedObject+ESObject.h
+//  ESObjectMap
+//
+//  Created by Doug Russell on 9/17/11.
+//  Copyright (c) 2011 Doug Russell. All rights reserved.
+//
+
+#import <CoreData/CoreData.h>
+#import "ESObjectProtocol.h"
+
+@interface NSManagedObject (ESObject) <ESObject>
+
+@end
diff --git a/ESObjectMap/NSManagedObject+ESObject.m b/ESObjectMap/NSManagedObject+ESObject.m
new file mode 100644
index 0000000..a28866d
--- /dev/null
+++ b/ESObjectMap/NSManagedObject+ESObject.m
@@ -0,0 +1,29 @@
+//
+//  NSManagedObject+ESObject.m
+//  ESObjectMap
+//
+//  Created by Doug Russell on 9/17/11.
+//  Copyright (c) 2011 Doug Russell. All rights reserved.
+//
+
+#import "NSManagedObject+ESObject.h"
+#import "ESObjectMapFunctions.h"
+
+@implementation NSManagedObject (ESObject)
+
++ (ESObjectMap *)objectMap
+{
+	return GetObjectMapForClass([self class]);
+}
+
+- (void)configureWithDictionary:(NSDictionary *)dictionary
+{
+	ConfigureObjectWithDictionary(self, dictionary);
+}
+
+- (NSDictionary *)dictionaryRepresentation
+{
+	return GetDictionaryRepresentation(self);
+}
+
+@end