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Posted to commits@olingo.apache.org by sk...@apache.org on 2014/02/17 13:40:58 UTC

[31/51] [abbrv] Renamed project

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/AnnotationHelper.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/AnnotationHelper.java b/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/AnnotationHelper.java
new file mode 100644
index 0000000..0c81fb1
--- /dev/null
+++ b/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/AnnotationHelper.java
@@ -0,0 +1,726 @@
+/**
+ * *****************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE
+ * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.util;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmComplexType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmKey;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty.Multiplicity;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+import org.apache.olingo.odata2.api.edm.EdmLiteralKind;
+import org.apache.olingo.odata2.api.edm.EdmMultiplicity;
+import org.apache.olingo.odata2.api.edm.EdmSimpleTypeException;
+import org.apache.olingo.odata2.api.edm.EdmSimpleTypeKind;
+import org.apache.olingo.odata2.api.edm.FullQualifiedName;
+import org.apache.olingo.odata2.api.exception.ODataException;
+import org.apache.olingo.odata2.core.exception.ODataRuntimeException;
+
+/**
+ *
+ */
+public class AnnotationHelper {
+
+  public static final String DEFAULT_CONTAINER_NAME = "DefaultContainer";
+
+  /**
+   * Compare keys of both instances.
+   * 
+   * @param firstInstance
+   * @param secondInstance
+   * @return 
+   */
+  public boolean keyMatch(Object firstInstance, Object secondInstance) {
+    if (firstInstance == null || secondInstance == null) {
+      return false;
+    } else if (firstInstance.getClass() != secondInstance.getClass()) {
+      return false;
+    }
+
+    Map<String, Object> firstKeyFields = getValueForAnnotatedFields(firstInstance, EdmKey.class);
+    Map<String, Object> secondKeyFields = getValueForAnnotatedFields(secondInstance, EdmKey.class);
+
+    return keyValuesMatch(firstKeyFields, secondKeyFields);
+  }
+
+  /**
+   * Compare keys of instance with key values in map.
+   * 
+   * @param instance
+   * @param keyName2Value
+   * @return 
+   */
+  public boolean keyMatch(Object instance, Map<String, Object> keyName2Value) {
+    Map<String, Object> instanceKeyFields = getValueForAnnotatedFields(instance, EdmKey.class);
+    return keyValuesMatch(instanceKeyFields, keyName2Value);
+  }
+
+  private boolean keyValuesMatch(Map<String, Object> firstKeyValues, Map<String, Object> secondKeyValues) {
+    if (firstKeyValues.size() != secondKeyValues.size()) {
+      return false;
+    } else {
+      Set<Map.Entry<String, Object>> entries = firstKeyValues.entrySet();
+      for (Map.Entry<String, Object> entry : entries) {
+        Object firstKey = entry.getValue();
+        Object secondKey = secondKeyValues.get(entry.getKey());
+        if (!isEqual(firstKey, secondKey)) {
+          return false;
+        }
+      }
+      return true;
+    }
+  }
+  
+  private boolean isEqual(Object firstKey, Object secondKey) {
+    if (firstKey == null) {
+      if (secondKey == null) {
+        return true;
+      } else {
+        return secondKey.equals(firstKey);
+      }
+    } else {
+      return firstKey.equals(secondKey);
+    }
+  }
+
+  public String extractEntitTypeName(EdmNavigationProperty enp, Class<?> fallbackClass) {
+    Class<?> entityTypeClass = enp.toType();
+    return extractEntityTypeName(entityTypeClass == Object.class ? fallbackClass : entityTypeClass);
+  }
+
+  public String extractEntitTypeName(EdmNavigationProperty enp, Field field) {
+    Class<?> entityTypeClass = enp.toType();
+    if (entityTypeClass == Object.class) {
+      Class<?> toClass = field.getType();
+      return extractEntityTypeName((toClass.isArray() || Collection.class.isAssignableFrom(toClass) ?
+          (Class<?>) ((ParameterizedType) field.getGenericType()).getActualTypeArguments()[0] : toClass));
+    } else {
+      return extractEntityTypeName(entityTypeClass);
+    }
+  }
+
+  /**
+   * Returns <code>NULL</code> if given class is not annotated. If annotated the set entity type name is returned and if
+   * no name is set the default name is generated from the simple class name.
+   *
+   * @param annotatedClass
+   * @return
+   */
+  public String extractEntityTypeName(Class<?> annotatedClass) {
+    return extractTypeName(annotatedClass, EdmEntityType.class);
+  }
+
+  public FullQualifiedName extractEntityTypeFqn(EdmEntityType type, Class<?> annotatedClass) {
+    if(type.namespace().isEmpty()) {
+      return new FullQualifiedName(generateNamespace(annotatedClass), extractEntityTypeName(annotatedClass));
+    }
+    return new FullQualifiedName(type.namespace(), extractEntityTypeName(annotatedClass));
+  }
+  
+  public FullQualifiedName extractEntityTypeFqn(Class<?> annotatedClass) {
+    EdmEntityType type = annotatedClass.getAnnotation(EdmEntityType.class);
+    if(type == null) {
+      return null;
+    }
+    return extractEntityTypeFqn(type, annotatedClass);
+  }
+
+  public FullQualifiedName extractComplexTypeFqn(Class<?> annotatedClass) {
+    EdmComplexType type = annotatedClass.getAnnotation(EdmComplexType.class);
+    if(type == null) {
+      return null;
+    }
+    return extractComplexTypeFqn(type, annotatedClass);
+  }
+
+  public FullQualifiedName extractComplexTypeFqn(EdmComplexType type, Class<?> annotatedClass) {
+    if(type.namespace().isEmpty()) {
+      return new FullQualifiedName(generateNamespace(annotatedClass), extractComplexTypeName(annotatedClass));
+    }
+    return new FullQualifiedName(type.namespace(), extractComplexTypeName(annotatedClass));
+  }
+
+  public String extractComplexTypeName(Class<?> annotatedClass) {
+    return extractTypeName(annotatedClass, EdmComplexType.class);
+  }
+  
+  public String generateNamespace(Class<?> annotatedClass) {
+    String packageName = annotatedClass.getPackage().getName();
+    return packageName;
+  }
+
+  /**
+   *
+   *
+   * @param <T> must be EdmEntityType or EdmComplexType annotation
+   * @param annotatedClass
+   * @param typeAnnotation
+   * @return null if annotatedClass is not annotated or name set via annotation or generated via
+   * {@link #getCanonicalName(java.lang.Class)}
+   */
+  private <T extends Annotation> String extractTypeName(Class<?> annotatedClass, Class<T> typeAnnotation) {
+    if (annotatedClass == Object.class) {
+      return null;
+    }
+    T type = annotatedClass.getAnnotation(typeAnnotation);
+    if (type == null) {
+      return null;
+    }
+
+    String name;
+    if (typeAnnotation == EdmEntityType.class) {
+      name = ((EdmEntityType) type).name();
+    } else if (typeAnnotation == EdmComplexType.class) {
+      name = ((EdmComplexType) type).name();
+    } else {
+      return null;
+    }
+
+    if (name.isEmpty()) {
+      return getCanonicalName(annotatedClass);
+    }
+    return name;
+  }
+
+  /**
+   * Get the set property name from an EdmProperty or EdmNavigationProperty annotation.
+   *
+   * @param field
+   * @return
+   */
+  public String getPropertyNameFromAnnotation(Field field) {
+    EdmProperty property = field.getAnnotation(EdmProperty.class);
+    if (property == null) {
+      EdmNavigationProperty navProperty = field.getAnnotation(EdmNavigationProperty.class);
+      if (navProperty == null) {
+        throw new EdmAnnotationException("Given field '" + field
+            + "' has no EdmProperty or EdmNavigationProperty annotation.");
+      }
+      return navProperty.name();
+    }
+    return property.name();
+  }
+
+  public String getPropertyName(Field field) {
+    String propertyName = getPropertyNameFromAnnotation(field);
+    if (propertyName.isEmpty()) {
+      propertyName = getCanonicalName(field);
+    }
+    return propertyName;
+  }
+
+  public String extractFromRoleName(EdmNavigationProperty enp, Field field) {
+    return getCanonicalRole(field.getDeclaringClass());
+  }
+
+  public String extractToRoleName(EdmNavigationProperty enp, Field field) {
+    String role = enp.toRole();
+    if (role.isEmpty()) {
+      role = getCanonicalRole(
+          field.getType().isArray() || Collection.class.isAssignableFrom(field.getType()) ?
+              (Class<?>) ((ParameterizedType) field.getGenericType()).getActualTypeArguments()[0] : field.getType());
+    }
+    return role;
+  }
+
+  public String getCanonicalRole(Class<?> fallbackClass) {
+    String toRole = extractEntityTypeName(fallbackClass);
+    return "r_" + toRole;
+  }
+
+  public String extractRelationshipName(EdmNavigationProperty enp, Field field) {
+    String relationshipName = enp.association();
+    if (relationshipName.isEmpty()) {
+      final String fromRole = extractFromRoleName(enp, field);
+      final String toRole = extractToRoleName(enp, field);
+      if (fromRole.compareTo(toRole) > 0) {
+        relationshipName = toRole + "-" + fromRole;
+      } else {
+        relationshipName = fromRole + "-" + toRole;
+      }
+    }
+    return relationshipName;
+  }
+
+  public EdmMultiplicity getMultiplicity(EdmNavigationProperty enp, Field field) {
+    EdmMultiplicity multiplicity = mapMultiplicity(enp.toMultiplicity());
+    final boolean isCollectionType = field.getType().isArray() || Collection.class.isAssignableFrom(field.getType());
+
+    if (multiplicity == EdmMultiplicity.ONE && isCollectionType) {
+      return EdmMultiplicity.MANY;
+    }
+    return multiplicity;
+  }
+
+
+  /**
+   * Set key fields based on values in map.
+   * If an key field is not available or <code>NULL</code> in the map 
+   * it will be not set as <code>NULL</code> at the instance object.
+   * 
+   * @param instance
+   * @param keys
+   * @return
+   */
+  public <T> T setKeyFields(T instance, Map<String, Object> keys) {
+    List<Field> fields = getAnnotatedFields(instance, EdmKey.class);
+
+    for (Field field : fields) {
+      String propertyName = getPropertyName(field);
+      Object keyValue = keys.get(propertyName);
+      setValueForProperty(instance, propertyName, keyValue);
+    }
+
+    return instance;
+  }
+
+  public static final class ODataAnnotationException extends ODataException {
+    private static final long serialVersionUID = 1L;
+
+    public ODataAnnotationException(String message) {
+      super(message);
+    }
+  }
+
+  
+  public class AnnotatedNavInfo {
+    private final Field fromField;
+    private final Field toField;
+    private final EdmNavigationProperty fromNavigation;
+    private final EdmNavigationProperty toNavigation;
+
+    public AnnotatedNavInfo(Field fromField, Field toField, EdmNavigationProperty fromNavigation,
+        EdmNavigationProperty toNavigation) {
+      this.fromField = fromField;
+      this.toField = toField;
+      this.fromNavigation = fromNavigation;
+      this.toNavigation = toNavigation;
+    }
+
+    public Field getFromField() {
+      return fromField;
+    }
+
+    public Field getToField() {
+      return toField;
+    }
+
+    public EdmMultiplicity getFromMultiplicity() {
+      return getMultiplicity(toNavigation, toField);
+    }
+
+    public EdmMultiplicity getToMultiplicity() {
+      return getMultiplicity(fromNavigation, fromField);
+    }
+    
+    public boolean isBiDirectional() {
+      return toNavigation != null;
+    }
+  }
+
+  public AnnotatedNavInfo getCommonNavigationInfo(Class<?> sourceClass, Class<?> targetClass) {
+    List<Field> sourceFields = getAnnotatedFields(sourceClass, EdmNavigationProperty.class);
+    List<Field> targetFields = getAnnotatedFields(targetClass, EdmNavigationProperty.class);
+
+    // first try via association name to get full navigation information
+    for (Field sourceField : sourceFields) {
+      final EdmNavigationProperty sourceNav = sourceField.getAnnotation(EdmNavigationProperty.class);
+      final String sourceAssociation = extractRelationshipName(sourceNav, sourceField);
+      for (Field targetField : targetFields) {
+        final EdmNavigationProperty targetNav = targetField.getAnnotation(EdmNavigationProperty.class);
+        final String targetAssociation = extractRelationshipName(targetNav, targetField);
+        if (sourceAssociation.equals(targetAssociation)) {
+          return new AnnotatedNavInfo(sourceField, targetField, sourceNav, targetNav);
+        }
+      }
+    }
+    
+    // if nothing was found assume none bi-directinal navigation
+    String targetEntityTypeName = extractEntityTypeName(targetClass);
+    for (Field sourceField : sourceFields) {
+      final EdmNavigationProperty sourceNav = sourceField.getAnnotation(EdmNavigationProperty.class);
+      final String navTargetEntityName = extractEntitTypeName(sourceNav, sourceField);
+      
+      if (navTargetEntityName.equals(targetEntityTypeName)) {
+        return new AnnotatedNavInfo(sourceField, null, sourceNav, null);
+      }
+    }
+    
+    return null;
+  }
+
+  public Class<?> getFieldTypeForProperty(Object instance, String propertyName) throws ODataAnnotationException {
+    if (instance == null) {
+      return null;
+    }
+
+    Field field = getFieldForPropertyName(instance, propertyName, instance.getClass(), true);
+    if (field == null) {
+      throw new ODataAnnotationException("No field for property '" + propertyName
+          + "' found at class '" + instance.getClass() + "'.");
+    }
+    return field.getType();
+  }
+
+  public Object getValueForProperty(Object instance, String propertyName) throws ODataAnnotationException {
+    if (instance == null) {
+      return null;
+    }
+
+    Field field = getFieldForPropertyName(instance, propertyName, instance.getClass(), true);
+    if (field == null) {
+      throw new ODataAnnotationException("No field for property '" + propertyName
+          + "' found at class '" + instance.getClass() + "'.");
+    }
+    return getFieldValue(instance, field);
+  }
+
+  public void setValueForProperty(Object instance, String propertyName, Object propertyValue) {
+    if (instance != null) {
+      Field field = getFieldForPropertyName(instance, propertyName, instance.getClass(), true);
+      if (field != null) {
+        setFieldValue(instance, field, propertyValue);
+      }
+    }
+  }
+
+  private Field getFieldForPropertyName(Object instance, String propertyName,
+      Class<?> resultClass, boolean inherited) {
+    if (instance == null) {
+      return null;
+    }
+
+    Field[] fields = resultClass.getDeclaredFields();
+    for (Field field : fields) {
+      EdmProperty property = field.getAnnotation(EdmProperty.class);
+      if (property != null) {
+        if (property.name().isEmpty() && getCanonicalName(field).equals(propertyName)) {
+          return field;
+        } else if (property.name().equals(propertyName)) {
+          return field;
+        }
+      }
+    }
+
+    Class<?> superClass = resultClass.getSuperclass();
+    if (inherited && superClass != Object.class) {
+      return getFieldForPropertyName(instance, propertyName, superClass, true);
+    }
+
+    return null;
+  }
+
+  public Object getValueForField(Object instance, String fieldName, Class<? extends Annotation> annotation) {
+    if (instance == null) {
+      return null;
+    }
+    return getValueForField(instance, fieldName, instance.getClass(), annotation, true);
+  }
+
+  public Object getValueForField(Object instance, Class<? extends Annotation> annotation) {
+    if (instance == null) {
+      return null;
+    }
+    return getValueForField(instance, instance.getClass(), annotation, true);
+  }
+
+  private Object getValueForField(Object instance, Class<?> resultClass,
+      Class<? extends Annotation> annotation, boolean inherited) {
+    return getValueForField(instance, null, resultClass, annotation, inherited);
+  }
+
+  public Map<String, Object> getValueForAnnotatedFields(Object instance,
+      Class<? extends Annotation> annotation) {
+    return getValueForAnnotatedFields(instance, instance.getClass(), annotation, true);
+  }
+
+  private Map<String, Object> getValueForAnnotatedFields(Object instance, Class<?> resultClass,
+      Class<? extends Annotation> annotation, boolean inherited) {
+    if (instance == null) {
+      return null;
+    }
+
+    Field[] fields = resultClass.getDeclaredFields();
+    Map<String, Object> fieldName2Value = new HashMap<String, Object>();
+
+    for (Field field : fields) {
+      if (field.getAnnotation(annotation) != null) {
+        Object value = getFieldValue(instance, field);
+        final EdmProperty property = field.getAnnotation(EdmProperty.class);
+        final String name = property == null || property.name().isEmpty() ? field.getName() : property.name();
+        fieldName2Value.put(name, value);
+      }
+    }
+
+    Class<?> superClass = resultClass.getSuperclass();
+    if (inherited && superClass != Object.class) {
+      Map<String, Object> tmp = getValueForAnnotatedFields(instance, superClass, annotation, true);
+      fieldName2Value.putAll(tmp);
+    }
+
+    return fieldName2Value;
+  }
+
+  public void setValueForAnnotatedField(Object instance, Class<? extends Annotation> annotation, Object value) 
+      throws ODataAnnotationException {
+    List<Field> fields = getAnnotatedFields(instance, annotation);
+
+    if(fields.isEmpty()) {
+      throw new ODataAnnotationException("No field found for annotation '" + annotation
+          + "' on instance '" + instance + "'.");
+    } else if(fields.size() > 1) {
+      throw new ODataAnnotationException("More then one field found for annotation '" + annotation
+          + "' on instance '" + instance + "'.");
+    }
+
+    setFieldValue(instance, fields.get(0), value);
+  }
+
+  public void setValuesToAnnotatedFields(Object instance,
+      Class<? extends Annotation> annotation, Map<String, Object> fieldName2Value) {
+    List<Field> fields = getAnnotatedFields(instance, annotation);
+
+    // XXX: refactore
+    for (Field field : fields) {
+      final String canonicalName = getCanonicalName(field);
+      if (fieldName2Value.containsKey(canonicalName)) {
+        Object value = fieldName2Value.get(canonicalName);
+        setFieldValue(instance, field, value);
+      }
+    }
+  }
+
+  public List<Field> getAnnotatedFields(Object instance, Class<? extends Annotation> annotation) {
+    if (instance == null) {
+      return null;
+    }
+    return getAnnotatedFields(instance.getClass(), annotation, true);
+  }
+
+  public List<Field> getAnnotatedFields(Class<?> fieldClass, Class<? extends Annotation> annotation) {
+    return getAnnotatedFields(fieldClass, annotation, true);
+  }
+
+  /**
+   *
+   * @param instance
+   * @param resultClass
+   * @param annotation
+   * @param inherited
+   * @return
+   */
+  private List<Field> getAnnotatedFields(Class<?> resultClass,
+      Class<? extends Annotation> annotation, boolean inherited) {
+    if (resultClass == null) {
+      return null;
+    }
+
+    Field[] fields = resultClass.getDeclaredFields();
+    List<Field> annotatedFields = new ArrayList<Field>();
+
+    for (Field field : fields) {
+      if (field.getAnnotation(annotation) != null) {
+        annotatedFields.add(field);
+      }
+    }
+
+    Class<?> superClass = resultClass.getSuperclass();
+    if (inherited && superClass != Object.class) {
+      List<Field> tmp = getAnnotatedFields(superClass, annotation, true);
+      annotatedFields.addAll(tmp);
+    }
+
+    return annotatedFields;
+  }
+
+  private Object getValueForField(Object instance, String fieldName, Class<?> resultClass,
+      Class<? extends Annotation> annotation, boolean inherited) {
+    if (instance == null) {
+      return null;
+    }
+
+    Field[] fields = resultClass.getDeclaredFields();
+    for (Field field : fields) {
+      if (field.getAnnotation(annotation) != null
+          && (fieldName == null || field.getName().equals(fieldName))) {
+        return getFieldValue(instance, field);
+      }
+    }
+
+    Class<?> superClass = resultClass.getSuperclass();
+    if (inherited && superClass != Object.class) {
+      return getValueForField(instance, fieldName, superClass, annotation, true);
+    }
+
+    return null;
+  }
+
+  private Object getFieldValue(Object instance, Field field) {
+    try {
+      boolean access = field.isAccessible();
+      field.setAccessible(true);
+      Object value = field.get(instance);
+      field.setAccessible(access);
+      return value;
+    } catch (IllegalArgumentException ex) { // should never happen
+      throw new ODataRuntimeException(ex);
+    } catch (IllegalAccessException ex) { // should never happen
+      throw new ODataRuntimeException(ex);
+    }
+  }
+
+  private void setFieldValue(Object instance, Field field, Object value) {
+    try {
+      Object usedValue = value;
+      if (value != null
+          && field.getType() != value.getClass()
+          && value.getClass() == String.class) {
+        usedValue = convert(field, (String) value);
+      }
+      boolean access = field.isAccessible();
+      field.setAccessible(true);
+      field.set(instance, usedValue);
+      field.setAccessible(access);
+    } catch (IllegalArgumentException ex) { // should never happen
+      throw new ODataRuntimeException(ex);
+    } catch (IllegalAccessException ex) { // should never happen
+      throw new ODataRuntimeException(ex);
+    }
+  }
+
+  public Object convert(Field field, String propertyValue) {
+    Class<?> fieldClass = field.getType();
+    try {
+      EdmProperty property = field.getAnnotation(EdmProperty.class);
+      EdmSimpleTypeKind type = mapTypeKind(property.type());
+      return type.getEdmSimpleTypeInstance().valueOfString(propertyValue,
+          EdmLiteralKind.DEFAULT, null, fieldClass);
+    } catch (EdmSimpleTypeException ex) {
+      throw new ODataRuntimeException("Conversion failed for string property with error: "
+          + ex.getMessage(), ex);
+    }
+  }
+
+  public boolean isEdmAnnotated(Object object) {
+    if (object == null) {
+      return false;
+    }
+    return isEdmAnnotated(object.getClass());
+  }
+
+  public boolean isEdmTypeAnnotated(Class<?> clazz) {
+    boolean isComplexEntity = clazz.getAnnotation(EdmComplexType.class) != null;
+    boolean isEntity = clazz.getAnnotation(EdmEntityType.class) != null;
+    return isComplexEntity || isEntity;
+  }
+
+  public boolean isEdmAnnotated(Class<?> clazz) {
+    if (clazz == null) {
+      return false;
+    } else {
+      final boolean isEntity = null != clazz.getAnnotation(EdmEntityType.class);
+      final boolean isEntitySet = null != clazz.getAnnotation(EdmEntitySet.class);
+      final boolean isComplexEntity = null != clazz.getAnnotation(EdmComplexType.class);
+      return isEntity || isComplexEntity || isEntitySet;
+    }
+  }
+
+  public String getCanonicalName(Field field) {
+    return firstCharToUpperCase(field.getName());
+  }
+
+  public String getCanonicalName(Class<?> clazz) {
+    return firstCharToUpperCase(clazz.getSimpleName());
+  }
+
+  private String firstCharToUpperCase(String content) {
+    if (content == null || content.isEmpty()) {
+      return content;
+    }
+    return content.substring(0, 1).toUpperCase(Locale.ENGLISH) + content.substring(1);
+  }
+
+  public EdmSimpleTypeKind mapTypeKind(org.apache.olingo.odata2.api.annotation.edm.EdmType type) {
+    switch (type) {
+      case BINARY: return EdmSimpleTypeKind.Binary;
+      case BOOLEAN: return EdmSimpleTypeKind.Boolean;
+      case BYTE: return EdmSimpleTypeKind.Byte;
+      case COMPLEX: return EdmSimpleTypeKind.Null;
+      case DATE_TIME: return EdmSimpleTypeKind.DateTime;
+      case DATE_TIME_OFFSET: return EdmSimpleTypeKind.DateTimeOffset;
+      case DECIMAL: return EdmSimpleTypeKind.Decimal;
+      case DOUBLE: return EdmSimpleTypeKind.Double;
+      case GUID: return EdmSimpleTypeKind.Guid;
+      case INT16: return EdmSimpleTypeKind.Int16;
+      case INT32: return EdmSimpleTypeKind.Int32;
+      case INT64: return EdmSimpleTypeKind.Int64;
+      case NULL: return EdmSimpleTypeKind.Null;
+      case SBYTE: return EdmSimpleTypeKind.SByte;
+      case SINGLE: return EdmSimpleTypeKind.Single;
+      case STRING: return EdmSimpleTypeKind.String;
+      case TIME: return EdmSimpleTypeKind.Time;
+      default: throw new ODataRuntimeException("Unknown type '" + type
+        + "' for mapping to EdmSimpleTypeKind.");
+    }
+  }
+
+  public EdmMultiplicity mapMultiplicity(Multiplicity multiplicity) {
+    switch (multiplicity) {
+    case ZERO_OR_ONE: return EdmMultiplicity.ZERO_TO_ONE;
+    case ONE: return EdmMultiplicity.ONE;
+    case MANY: return EdmMultiplicity.MANY;
+    default: throw new ODataRuntimeException("Unknown type '" + multiplicity + "' for mapping to EdmMultiplicity.");
+    }
+  }
+  
+  /**
+   * 
+   */
+  private static class EdmAnnotationException extends RuntimeException {
+
+    private static final long serialVersionUID = 42L;
+
+    public EdmAnnotationException(String message) {
+      super(message);
+    }
+  }
+
+  public String getCanonicalNamespace(Class<?> aClass) {
+    return generateNamespace(aClass);
+  }
+
+  public String extractContainerName(Class<?> aClass) {
+    EdmEntitySet entitySet = aClass.getAnnotation(EdmEntitySet.class);
+    if(entitySet != null) {
+      String containerName = entitySet.container();
+      if(!containerName.isEmpty()) {
+        return containerName;
+      }
+    }
+    return DEFAULT_CONTAINER_NAME;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/ClassHelper.java
----------------------------------------------------------------------
diff --git a/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/ClassHelper.java b/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/ClassHelper.java
new file mode 100644
index 0000000..5e9fcdb
--- /dev/null
+++ b/odata2-annotation-processor/annotation-processor-core/src/main/java/org/apache/olingo/odata2/core/annotation/util/ClassHelper.java
@@ -0,0 +1,105 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.util;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.FilenameFilter;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ *
+ */
+public class ClassHelper {
+  
+  private static final File[] EMPTY_FILE_ARRAY = new File[0];
+  
+  private static final FilenameFilter CLASSFILE_FILTER = new FilenameFilter() {
+    @Override
+    public boolean accept(File dir, String name) {
+      return name.endsWith(CLASSFILE_ENDING);
+    }
+    public static final String CLASSFILE_ENDING = ".class";
+  };
+  
+  private static final FileFilter FOLDER_FILTER = new FileFilter() {
+    @Override
+    public boolean accept(File pathname) {
+      return pathname.isDirectory();
+    }
+  };
+  
+  public static final List<Class<?>> loadClasses(String packageToScan, ClassValidator cv) {
+    return loadClasses(packageToScan, CLASSFILE_FILTER, cv);
+  }
+
+  
+  public static final List<Class<?>> loadClasses(String packageToScan, FilenameFilter ff, ClassValidator cv) {
+    final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+    String folderToScan = packageToScan.replace(".", "/");
+    URL url = classLoader.getResource(folderToScan);
+    if(url == null) {
+      throw new IllegalArgumentException("No folder to scan found for package '" + packageToScan + "'.");
+    }
+    File folder = new File(url.getFile());
+    File[] classFiles = folder.listFiles(ff);
+    if(classFiles == null) {
+      classFiles = EMPTY_FILE_ARRAY;
+    }
+
+    List<Class<?>> annotatedClasses = new ArrayList<Class<?>>(classFiles.length);
+    for (File file : classFiles) {
+      String name = file.getName();
+      String fqn = packageToScan + "." + name.substring(0, name.length() - 6);
+      try {
+        Class<?> c = classLoader.loadClass(fqn);
+        if (cv.isClassValid(c)) {
+          annotatedClasses.add(c);
+        }
+      } catch (ClassNotFoundException ex) {
+        throw new IllegalArgumentException("Exception during class loading of class '" + fqn + 
+                "' with message '" + ex.getMessage() + "'.");
+      }
+    }
+    
+    // recursive search
+    File[] subfolders = listSubFolder(folder);
+    for (File file : subfolders) {
+      List<Class<?>> subFolderClazzes = loadClasses(packageToScan + "." + file.getName(), ff, cv);
+      annotatedClasses.addAll(subFolderClazzes);
+    }
+    //
+    
+    return annotatedClasses;
+  }
+
+  private static File[] listSubFolder(File folder) {
+    File[] subfolders = folder.listFiles(FOLDER_FILTER);
+    if(subfolders == null) {
+      return EMPTY_FILE_ARRAY;
+    }
+    return subfolders;
+  }
+  
+  public interface ClassValidator {
+    boolean isClassValid(Class<?> c);
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/data/AnnotationsInMemoryDsTest.java
----------------------------------------------------------------------
diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/data/AnnotationsInMemoryDsTest.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/data/AnnotationsInMemoryDsTest.java
new file mode 100644
index 0000000..04dbefc
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+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/data/AnnotationsInMemoryDsTest.java
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2013 The Apache Software Foundation.
+ *
+ * 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 org.apache.olingo.odata2.core.annotation.data;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.olingo.odata2.api.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.edm.FullQualifiedName;
+import org.apache.olingo.odata2.api.edm.provider.EntitySet;
+import org.apache.olingo.odata2.api.exception.ODataException;
+import org.apache.olingo.odata2.core.annotation.edm.AnnotationEdmProvider;
+import org.apache.olingo.odata2.core.annotation.model.Building;
+import org.apache.olingo.odata2.core.annotation.model.ModelSharedConstants;
+import org.apache.olingo.odata2.core.annotation.model.Photo;
+import org.apache.olingo.odata2.core.annotation.util.AnnotationHelper;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+/**
+ *
+ */
+public class AnnotationsInMemoryDsTest {
+
+  private final AnnotationInMemoryDs datasource;
+  private AnnotationEdmProvider edmProvider;
+  private static final String DEFAULT_CONTAINER = ModelSharedConstants.CONTAINER_1;
+
+  public AnnotationsInMemoryDsTest() {
+    datasource = new AnnotationInMemoryDs(Building.class.getPackage().getName(), false);
+    edmProvider = new AnnotationEdmProvider(Building.class.getPackage().getName());
+  }
+
+  @Test
+  public void createSimpleEntity() throws Exception {
+    EdmEntitySet edmEntitySet = createMockedEdmEntitySet("Buildings");
+
+    Building building = new Building();
+    building.setName("Common Building");
+    datasource.createData(edmEntitySet, building);
+
+    Map<String, Object> keys = new HashMap<String, Object>();
+    keys.put("Id", "1");
+
+    Building read = (Building) datasource.readData(edmEntitySet, keys);
+    Assert.assertEquals("Common Building", read.getName());
+    Assert.assertEquals("1", read.getId());
+  }
+
+  
+  @Test
+  public void createSimpleEntityWithOwnKey() throws Exception {
+    EdmEntitySet edmEntitySet = createMockedEdmEntitySet("Buildings");
+
+    Building building = new Building();
+    building.setName("Common Building");
+    AnnotationHelper ah = new AnnotationHelper();
+    ah.setValueForProperty(building, "Id", "42");
+    datasource.createData(edmEntitySet, building);
+
+    Map<String, Object> keys = new HashMap<String, Object>();
+    keys.put("Id", "42");
+
+    Building read = (Building) datasource.readData(edmEntitySet, keys);
+    Assert.assertEquals("Common Building", read.getName());
+    Assert.assertEquals("42", read.getId());
+  }
+
+  @Test
+  public void createSimpleEntityWithDuplicateKey() throws Exception {
+    EdmEntitySet edmEntitySet = createMockedEdmEntitySet("Buildings");
+    AnnotationHelper ah = new AnnotationHelper();
+
+    Building building = new Building();
+    building.setName("Common Building");
+    ah.setValueForProperty(building, "Id", "42");
+    datasource.createData(edmEntitySet, building);
+    //
+    Building buildingDuplicate = new Building();
+    buildingDuplicate.setName("Duplicate Building");
+    ah.setValueForProperty(buildingDuplicate, "Id", "42");
+    datasource.createData(edmEntitySet, buildingDuplicate);
+
+    Map<String, Object> keys42 = new HashMap<String, Object>();
+    keys42.put("Id", "42");
+    Building read42 = (Building) datasource.readData(edmEntitySet, keys42);
+    Assert.assertEquals("Common Building", read42.getName());
+    Assert.assertEquals("42", read42.getId());
+
+    Map<String, Object> keys = new HashMap<String, Object>();
+    keys.put("Id", "1");
+    Building read = (Building) datasource.readData(edmEntitySet, keys);
+    Assert.assertEquals("Duplicate Building", read.getName());
+    Assert.assertEquals("1", read.getId());
+}
+
+  
+  @Test
+  public void createEntityTwoKeys() throws Exception {
+    EdmEntitySet edmEntitySet = createMockedEdmEntitySet("Photos");
+
+    Photo photo = new Photo();
+    photo.setName("BigPicture");
+    photo.setType("PNG");
+    photo.setImageUri("https://localhost/image.png");
+    photo.setImageType("image/png");
+    datasource.createData(edmEntitySet, photo);
+
+    Map<String, Object> keys = new HashMap<String, Object>();
+    keys.put("ImageFormat", "PNG");
+    keys.put("Name", "BigPicture");
+
+    Photo read = (Photo) datasource.readData(edmEntitySet, keys);
+    Assert.assertEquals("BigPicture", read.getName());
+    Assert.assertEquals("PNG", read.getType());
+    Assert.assertEquals("image/png", read.getImageType());
+    Assert.assertEquals("https://localhost/image.png", read.getImageUri());
+  }
+
+  @Test
+  //  @Ignore("Rethink update method")
+  public void createAndUpdateEntityTwoKeys() throws Exception {
+    EdmEntitySet edmEntitySet = createMockedEdmEntitySet("Photos");
+
+    Photo photo = new Photo();
+    final String nameKeyValue = "BigPicture";
+    final String typeKeyValue = "PNG";
+    photo.setName(nameKeyValue);
+    photo.setType(typeKeyValue);
+    photo.setImageUri("https://localhost/image.png");
+    photo.setImageType("image/png");
+    datasource.createData(edmEntitySet, photo);
+
+    Map<String, Object> keys = new HashMap<String, Object>();
+    keys.put("Name", "BigPicture");
+    keys.put("ImageFormat", "PNG");
+
+    Photo read = (Photo) datasource.readData(edmEntitySet, keys);
+    Assert.assertEquals("BigPicture", read.getName());
+    Assert.assertEquals("PNG", read.getType());
+    Assert.assertEquals("image/png", read.getImageType());
+    Assert.assertEquals("https://localhost/image.png", read.getImageUri());
+
+    // update
+    Photo updatedPhoto = new Photo();
+    updatedPhoto.setName(nameKeyValue);
+    updatedPhoto.setType(typeKeyValue);
+    updatedPhoto.setImageUri("https://localhost/image.jpg");
+    updatedPhoto.setImageType("image/jpg");
+    datasource.updateData(edmEntitySet, updatedPhoto);
+
+    Map<String, Object> updatedKeys = new HashMap<String, Object>();
+    updatedKeys.put("Name", nameKeyValue);
+    updatedKeys.put("ImageFormat", typeKeyValue);
+
+    Photo readUpdated = (Photo) datasource.readData(edmEntitySet, updatedKeys);
+    Assert.assertEquals("BigPicture", readUpdated.getName());
+    Assert.assertEquals("PNG", readUpdated.getType());
+    Assert.assertEquals("image/jpg", readUpdated.getImageType());
+    Assert.assertEquals("https://localhost/image.jpg", readUpdated.getImageUri());
+  }
+
+  private EdmEntitySet createMockedEdmEntitySet(String entitySetName) throws ODataException {
+    EntitySet entitySet = edmProvider.getEntitySet(DEFAULT_CONTAINER, entitySetName);
+    FullQualifiedName entityType = entitySet.getEntityType();
+
+    EdmEntitySet edmEntitySet = Mockito.mock(EdmEntitySet.class);
+    Mockito.when(edmEntitySet.getName()).thenReturn(entitySetName);
+    EdmEntityType edmEntityType = Mockito.mock(EdmEntityType.class);
+    Mockito.when(edmEntitySet.getEntityType()).thenReturn(edmEntityType);
+    Mockito.when(edmEntityType.getName()).thenReturn(entityType.getName());
+
+    return edmEntitySet;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/edm/AnnotationEdmProviderTest.java
----------------------------------------------------------------------
diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/edm/AnnotationEdmProviderTest.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/edm/AnnotationEdmProviderTest.java
new file mode 100644
index 0000000..494a090
--- /dev/null
+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/edm/AnnotationEdmProviderTest.java
@@ -0,0 +1,463 @@
+/*
+ * Copyright 2013 The Apache Software Foundation.
+ *
+ * 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 org.apache.olingo.odata2.core.annotation.edm;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmComplexType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.edm.EdmMultiplicity;
+import org.apache.olingo.odata2.api.edm.FullQualifiedName;
+import org.apache.olingo.odata2.api.edm.provider.Association;
+import org.apache.olingo.odata2.api.edm.provider.AssociationEnd;
+import org.apache.olingo.odata2.api.edm.provider.AssociationSet;
+import org.apache.olingo.odata2.api.edm.provider.ComplexType;
+import org.apache.olingo.odata2.api.edm.provider.EntityContainer;
+import org.apache.olingo.odata2.api.edm.provider.EntityContainerInfo;
+import org.apache.olingo.odata2.api.edm.provider.EntitySet;
+import org.apache.olingo.odata2.api.edm.provider.EntityType;
+import org.apache.olingo.odata2.api.edm.provider.FunctionImport;
+import org.apache.olingo.odata2.api.edm.provider.Key;
+import org.apache.olingo.odata2.api.edm.provider.NavigationProperty;
+import org.apache.olingo.odata2.api.edm.provider.Property;
+import org.apache.olingo.odata2.api.edm.provider.PropertyRef;
+import org.apache.olingo.odata2.api.edm.provider.Schema;
+import org.apache.olingo.odata2.api.exception.ODataException;
+import org.apache.olingo.odata2.core.annotation.model.Building;
+import org.apache.olingo.odata2.core.annotation.model.City;
+import org.apache.olingo.odata2.core.annotation.model.Employee;
+import org.apache.olingo.odata2.core.annotation.model.Location;
+import org.apache.olingo.odata2.core.annotation.model.Manager;
+import org.apache.olingo.odata2.core.annotation.model.ModelSharedConstants;
+import org.apache.olingo.odata2.core.annotation.model.Photo;
+import org.apache.olingo.odata2.core.annotation.model.RefBase;
+import org.apache.olingo.odata2.core.annotation.model.Room;
+import org.apache.olingo.odata2.core.annotation.model.Team;
+import org.junit.Test;
+
+/**
+ *
+ */
+public class AnnotationEdmProviderTest {
+
+  @EdmEntityType
+  @EdmEntitySet
+  private static final class GeneratedNamesTestClass {}
+
+  @EdmComplexType
+  private static final class GeneratedNamesComplexTestClass {}
+
+  @EdmEntityType(namespace="MyTestNamespace")
+  @EdmEntitySet(container="MyTestContainer")
+  private static final class DefinedNamesTestClass {}
+
+  private final AnnotationEdmProvider aep;
+  private final Collection<Class<?>> annotatedClasses = new ArrayList<Class<?>>();
+
+  public AnnotationEdmProviderTest() {
+    annotatedClasses.add(RefBase.class);
+    annotatedClasses.add(Building.class);
+    annotatedClasses.add(City.class);
+    annotatedClasses.add(Employee.class);
+    annotatedClasses.add(Location.class);
+    annotatedClasses.add(Manager.class);
+    annotatedClasses.add(Photo.class);
+    annotatedClasses.add(Room.class);
+    annotatedClasses.add(Team.class);
+
+    aep = new AnnotationEdmProvider(annotatedClasses);
+  }
+
+  @Test
+  public void defaultNamespaceGeneration() throws ODataException {
+    Collection<Class<?>> localAnnotatedClasses = new ArrayList<Class<?>>();
+    localAnnotatedClasses.add(GeneratedNamesTestClass.class); 
+    AnnotationEdmProvider localAep = new AnnotationEdmProvider(localAnnotatedClasses);
+    // validate 
+    EntityType testType = localAep.getEntityType(new FullQualifiedName(
+            GeneratedNamesTestClass.class.getPackage().getName(), 
+            GeneratedNamesTestClass.class.getSimpleName()));
+    assertNotNull("Requested entity not found.", testType);
+    assertEquals("GeneratedNamesTestClass", testType.getName());
+    assertNull("This should not have a base type", testType.getBaseType());
+  }
+
+  @Test
+  public void defaultNamespaceGenerationComplexType() throws ODataException {
+    Collection<Class<?>> localAnnotatedClasses = new ArrayList<Class<?>>();
+    localAnnotatedClasses.add(GeneratedNamesComplexTestClass.class); 
+    AnnotationEdmProvider localAep = new AnnotationEdmProvider(localAnnotatedClasses);
+    // validate 
+    ComplexType testType = localAep.getComplexType(new FullQualifiedName(
+            GeneratedNamesComplexTestClass.class.getPackage().getName(), 
+            GeneratedNamesComplexTestClass.class.getSimpleName()));
+    assertNotNull("Requested entity not found.", testType);
+    assertEquals("GeneratedNamesComplexTestClass", testType.getName());
+    assertNull("This should not have a base type", testType.getBaseType());
+  }
+
+  @Test
+  public void defaultContainerNameGeneration() throws ODataException {
+    @SuppressWarnings({ "unchecked", "rawtypes" })
+    AnnotationEdmProvider localAep = 
+      new AnnotationEdmProvider((Collection) Arrays.asList(GeneratedNamesTestClass.class));
+    
+    EntityContainerInfo containerInfo = localAep.getEntityContainerInfo(null);
+    assertNotNull(containerInfo);
+    assertEquals("DefaultContainer", containerInfo.getName());
+  }
+
+
+  @Test
+  public void defaultNamespaceDefined() throws ODataException {
+    Collection<Class<?>> localAnnotatedClasses = new ArrayList<Class<?>>();
+    localAnnotatedClasses.add(DefinedNamesTestClass.class); 
+    AnnotationEdmProvider localAep = new AnnotationEdmProvider(localAnnotatedClasses);
+    // validate 
+    EntityType testClass = localAep.getEntityType(new FullQualifiedName("MyTestNamespace",
+        DefinedNamesTestClass.class.getSimpleName()));
+    assertNotNull("Requested entity not found.", testClass);
+    assertEquals("DefinedNamesTestClass", testClass.getName());
+    assertNull("This should not have a base type", testClass.getBaseType());
+  }
+
+  @Test
+  public void defaultContainerNameDefined() throws ODataException {
+    @SuppressWarnings({ "unchecked", "rawtypes" })
+    AnnotationEdmProvider localAep = new AnnotationEdmProvider((Collection) Arrays.asList(DefinedNamesTestClass.class));
+    
+    EntityContainerInfo containerInfo = localAep.getEntityContainerInfo(null);
+    assertNotNull(containerInfo);
+    assertEquals("MyTestContainer", containerInfo.getName());
+  }
+
+  @Test
+  public void loadAnnotatedClassesFromPackage() throws Exception {
+    AnnotationEdmProvider localAep = new AnnotationEdmProvider("org.apache.olingo.odata2.core.annotation.model");
+
+    // validate employee
+    EntityType employee = localAep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Employee"));
+    assertEquals("Employee", employee.getName());
+    final List<PropertyRef> employeeKeys = employee.getKey().getKeys();
+    assertEquals(1, employeeKeys.size());
+    assertEquals("EmployeeId", employeeKeys.get(0).getName());
+    assertEquals(6, employee.getProperties().size());
+    assertEquals(3, employee.getNavigationProperties().size());
+
+    List<Schema> schemas = localAep.getSchemas();
+    assertEquals(1, schemas.size());
+    EntityContainerInfo info = localAep.getEntityContainerInfo(ModelSharedConstants.CONTAINER_1);
+    assertTrue(info.isDefaultEntityContainer());
+  }
+
+  @Test
+  public void annotationProviderBasic() throws Exception {
+    assertNotNull(aep);
+
+    List<Schema> schemas = aep.getSchemas();
+    assertEquals(1, schemas.size());
+    EntityContainerInfo info = aep.getEntityContainerInfo(ModelSharedConstants.CONTAINER_1);
+    assertTrue(info.isDefaultEntityContainer());
+    
+    FunctionImport funImp = aep.getFunctionImport(ModelSharedConstants.CONTAINER_1, "NoImport");
+    assertNull(funImp);
+
+    final FullQualifiedName associationFqn = new FullQualifiedName(
+            ModelSharedConstants.NAMESPACE_1, "NoAssociation");
+    Association noAssociation = aep.getAssociation(associationFqn);
+    assertNull(noAssociation);
+    
+    AssociationSet noAssociationSet = aep.getAssociationSet(
+            ModelSharedConstants.CONTAINER_1, associationFqn, "NoSrc", "NoSrcEntity");
+    assertNull(noAssociationSet);
+    
+    AssociationSet asBuildingRooms = aep.getAssociationSet(
+            ModelSharedConstants.CONTAINER_1, defaultFqn("BuildingRooms"), "Buildings", "r_Building");
+    assertNotNull(asBuildingRooms);
+    assertEquals("Buildings", asBuildingRooms.getEnd1().getEntitySet());
+    assertEquals("r_Building", asBuildingRooms.getEnd1().getRole());
+    assertEquals("Rooms", asBuildingRooms.getEnd2().getEntitySet());
+    assertEquals("r_Room", asBuildingRooms.getEnd2().getRole());
+  }
+
+  @Test
+  public void annotationProviderGetDefaultContainer() throws Exception {
+    assertNotNull(aep);
+
+    List<Schema> schemas = aep.getSchemas();
+    assertEquals(1, schemas.size());
+    EntityContainerInfo info = aep.getEntityContainerInfo(null);
+    assertTrue(info.isDefaultEntityContainer());
+    assertEquals(ModelSharedConstants.CONTAINER_1, info.getName());
+  }
+
+  @Test
+  public void schemaBasic() throws Exception {
+    assertNotNull(aep);
+
+    List<Schema> schemas = aep.getSchemas();
+    assertEquals(1, schemas.size());
+
+    Schema schema = schemas.get(0);
+    List<EntityContainer> containers = schema.getEntityContainers();
+    assertEquals(1, containers.size());
+    EntityContainer container = containers.get(0);
+    assertEquals(ModelSharedConstants.CONTAINER_1, container.getName());
+    final List<EntitySet> entitySets = container.getEntitySets();
+    assertEquals(6, entitySets.size());
+    
+    List<Association> associations = schema.getAssociations();
+    assertEquals(4, associations.size());
+    for (Association association : associations) {
+      assertNotNull(association.getName());
+      validateAssociation(association);
+    }
+  }
+  
+  private FullQualifiedName defaultFqn(String name) {
+    return new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, name);
+  }
+
+  private void validateAssociation(Association association) {
+    String name = association.getName();
+    if(name.equals("r_Employee-r_Room")) {
+      validateAssociation(association, 
+              "r_Room", EdmMultiplicity.ONE, defaultFqn("Room"),
+              "r_Employee", EdmMultiplicity.MANY, defaultFqn("Employee"));
+    } else if(name.equals("BuildingRooms")) {
+        validateAssociation(association, 
+                "r_Building", EdmMultiplicity.ONE, defaultFqn("Building"),
+                "r_Room", EdmMultiplicity.MANY, defaultFqn("Room"));
+    } else if(name.equals("ManagerEmployees")) {
+        validateAssociation(association, 
+                "r_Manager", EdmMultiplicity.ONE, defaultFqn("Manager"),
+                "r_Employee", EdmMultiplicity.MANY, defaultFqn("Employee"));
+    } else if(name.equals("TeamEmployees")) {
+        validateAssociation(association, 
+                "r_Team", EdmMultiplicity.ONE, defaultFqn("Team"),
+                "r_Employee", EdmMultiplicity.MANY, defaultFqn("Employee"));
+    } else {
+        fail("Got unknown association to validate with name '" + name + "'.");
+    }
+  }
+
+  private void validateAssociation(Association association, 
+          String fromRole, EdmMultiplicity fromMulti, FullQualifiedName fromType, 
+          String toRole, EdmMultiplicity toMulti, FullQualifiedName toType) {
+
+    AssociationEnd[] ends = new AssociationEnd[]{association.getEnd1(),association.getEnd2()};
+    for (AssociationEnd associationEnd : ends) {
+      if(associationEnd.getRole().equals(fromRole)) {
+        validateAssociationEnd(associationEnd, fromRole, fromMulti, fromType);
+      } else if(associationEnd.getRole().equals(toRole)) {
+        validateAssociationEnd(associationEnd, toRole, toMulti, toType);
+      } else {
+        fail("Unexpected navigation end '" + associationEnd.getRole() 
+                + "' for association with name '" + association.getName() + "'.");
+      }
+    }
+  }
+
+    private void validateAssociationEnd(AssociationEnd associationEnd, 
+          String role, EdmMultiplicity multiplicity, FullQualifiedName type) {
+    assertEquals(role, associationEnd.getRole());
+    assertEquals(multiplicity, associationEnd.getMultiplicity());
+    assertEquals(type, associationEnd.getType());
+  }
+
+
+  @Test
+  public void entitySetTeams() throws Exception {
+    // validate teams
+    EntitySet teams = aep.getEntitySet(ModelSharedConstants.CONTAINER_1, "Teams");
+    assertEquals(ModelSharedConstants.NAMESPACE_1, teams.getEntityType().getNamespace());
+    assertEquals("Team", teams.getEntityType().getName());
+  }
+
+  @Test
+  public void entityTypeEmployee() throws Exception {
+    // validate employee
+    EntityType employee = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Employee"));
+    assertEquals("Employee", employee.getName());
+    final List<PropertyRef> employeeKeys = employee.getKey().getKeys();
+    assertEquals(1, employeeKeys.size());
+    assertEquals("EmployeeId", employeeKeys.get(0).getName());
+    assertEquals(6, employee.getProperties().size());
+    assertEquals(3, employee.getNavigationProperties().size());
+
+    for (NavigationProperty navigationProperty : employee.getNavigationProperties()) {
+      if (navigationProperty.getName().equals("ne_Manager")) {
+        validateNavProperty(navigationProperty, "ManagerEmployees", "r_Employee", "r_Manager");
+      } else if (navigationProperty.getName().equals("ne_Team")) {
+        validateNavProperty(navigationProperty, "TeamEmployees", "r_Employee", "r_Team");
+      } else if (navigationProperty.getName().equals("ne_Room")) {
+        validateNavProperty(navigationProperty, "r_Employee-r_Room", "r_Employee", "r_Room");
+      } else {
+        fail("Got unexpected navigation property with name '" + navigationProperty.getName() + "'.");
+      }
+    }
+}
+
+  @Test
+  public void entityTypeTeam() throws Exception {
+    // validate team
+    EntityType team = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Team"));
+    assertEquals("Team", team.getName());
+    assertEquals("Base", team.getBaseType().getName());
+    assertEquals(ModelSharedConstants.NAMESPACE_1, team.getBaseType().getNamespace());
+
+    assertEquals(1, team.getProperties().size());
+    assertEquals(1, team.getNavigationProperties().size());
+    NavigationProperty navigationProperty= team.getNavigationProperties().get(0);
+    validateNavProperty(navigationProperty, "TeamEmployees", "r_Team", "r_Employee");
+  }
+
+  @Test
+  public void entityTypePhotoWithTwoKeyProperties() throws Exception {
+    // validate team
+    EntityType photo = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Photo"));
+    assertEquals("Photo", photo.getName());
+    final List<Property> properties = photo.getProperties();
+    assertEquals(5, properties.size());
+    assertTrue(containsProperty(properties, "Name"));
+    assertTrue(containsProperty(properties, "ImageFormat"));
+    assertTrue(containsProperty(properties, "MimeType"));
+    assertTrue(containsProperty(properties, "ImageUrl"));
+    assertTrue(containsProperty(properties, "Image"));
+    assertFalse(photo.isAbstract());
+    assertTrue(photo.isHasStream());
+
+    Key photoKey = photo.getKey();
+    List<PropertyRef> keyReferences = photoKey.getKeys();
+    assertEquals(2, keyReferences.size());
+    PropertyRef name = getPropertyRef(keyReferences, "Name");
+    assertEquals("Name", name.getName());
+    PropertyRef imageFormat = getPropertyRef(keyReferences, "ImageFormat");
+    assertEquals("ImageFormat", imageFormat.getName());
+    
+//    assertEquals(0, photo.getNavigationProperties().size());
+    assertNull(photo.getNavigationProperties());
+  }
+
+  @Test
+  public void entityTypeAbstractBaseType() throws Exception {
+    // validate employee
+    EntityType baseType = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Base"));
+    assertEquals("Base", baseType.getName());
+    final List<PropertyRef> keys = baseType.getKey().getKeys();
+    assertEquals(1, keys.size());
+    assertEquals("Id", keys.get(0).getName());
+    assertEquals(2, baseType.getProperties().size());
+    assertTrue(baseType.isAbstract());
+
+    // validate base for team
+    EntityType team = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Team"));
+    assertEquals("Team", team.getName());
+    assertEquals("Base", team.getBaseType().getName());
+    assertEquals(ModelSharedConstants.NAMESPACE_1, team.getBaseType().getNamespace());
+  }
+
+  @Test
+  public void complexTypeLocation() throws Exception {
+    // validate employee
+    EntityType employee = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Employee"));
+    final List<Property> properties = employee.getProperties();
+    Property location = null;
+    for (Property property : properties) {
+      if (property.getName().equals("Location")) {
+        location = property;
+      }
+    }
+    assertNotNull(location);
+    assertEquals("Location", location.getName());
+
+    // validate location complex type
+    ComplexType locationType = aep.getComplexType(
+            new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "c_Location"));
+    assertEquals("c_Location", locationType.getName());
+    assertEquals(2, locationType.getProperties().size());
+  }
+
+  @Test
+  public void entityTypeRoomWithNavigation() throws Exception {
+    // validate employee
+    EntityType room = aep.getEntityType(new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, "Room"));
+    assertEquals("Room", room.getName());
+    assertEquals("Base", room.getBaseType().getName());
+    assertEquals(2, room.getProperties().size());
+    final List<NavigationProperty> navigationProperties = room.getNavigationProperties();
+    assertEquals(2, navigationProperties.size());
+    
+    for (NavigationProperty navigationProperty : navigationProperties) {
+      if(navigationProperty.getName().equals("nr_Employees")) {
+        validateNavProperty(navigationProperty, "r_Employee-r_Room", "r_Room", "r_Employee");
+      } else if(navigationProperty.getName().equals("nr_Building")) {
+        validateNavProperty(navigationProperty, "BuildingRooms", "r_Room", "r_Building");
+      } else {
+        fail("Got unexpected navigation property with name '" + navigationProperty.getName() + "'.");
+      }
+    }
+  }
+  
+  private void validateNavProperty(NavigationProperty navigationProperty, String name,
+          String relationship, String fromRole, String toRole) {
+    if(name != null) {
+      assertEquals(name, navigationProperty.getName());
+    }
+    FullQualifiedName fqn = new FullQualifiedName(ModelSharedConstants.NAMESPACE_1, relationship);
+    assertEquals("Wrong relationship for navigation property.", fqn, navigationProperty.getRelationship());
+    assertEquals("Wrong fromRole for navigation property.", fromRole, navigationProperty.getFromRole());
+    assertEquals("Wrong toRole for navigation property.", toRole, navigationProperty.getToRole());
+  }
+  
+  private void validateNavProperty(NavigationProperty navigationProperty, 
+          String relationship, String fromRole, String toRole) {
+    validateNavProperty(navigationProperty, null, relationship, fromRole, toRole);
+  }
+  
+  private boolean containsProperty(List<Property> properties, String propertyName) {
+    return getProperty(properties, propertyName) != null;
+  }
+
+  private Property getProperty(List<Property> properties, String name) {
+    for (Property property : properties) {
+      if(name.equals(property.getName())) {
+        return property;
+      }
+    }
+    return null;
+  }
+  
+  private PropertyRef getPropertyRef(List<PropertyRef> properties, String name) {
+    for (PropertyRef property : properties) {
+      if(name.equals(property.getName())) {
+        return property;
+      }
+    }
+    return null;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Building.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Building.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Building.java
new file mode 100644
index 0000000..737b5e2
--- /dev/null
+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Building.java
@@ -0,0 +1,95 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmKey;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty.Multiplicity;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmType;
+
+/**
+ *  
+ */
+@EdmEntityType(name = "Building", namespace = ModelSharedConstants.NAMESPACE_1)
+@EdmEntitySet(name = "Buildings")
+public class Building {
+  @EdmKey
+  @EdmProperty(type = EdmType.INT32)
+  private String id;
+  @EdmProperty
+  private String name;
+  @EdmProperty(name = "Image", type = EdmType.BINARY)
+  private byte[] image;
+  @EdmNavigationProperty(name = "nb_Rooms", toType = Room.class,
+      association = "BuildingRooms", toMultiplicity = Multiplicity.MANY)
+  private List<Room> rooms = new ArrayList<Room>();
+
+  public Building() {}
+
+  public String getId() {
+    return id;
+  }
+
+  public void setName(final String name) {
+    this.name = name;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setImage(final byte[] byteArray) {
+    image = byteArray;
+  }
+
+  public byte[] getImage() {
+    if (image == null) {
+      return null;
+    } else {
+      return image.clone();
+    }
+  }
+
+  public List<Room> getRooms() {
+    return rooms;
+  }
+
+  @Override
+  public int hashCode() {
+      return id == null ? 0 : id.hashCode();
+  }
+
+  @Override
+  public boolean equals(final Object obj) {
+    return this == obj
+        || obj != null && getClass() == obj.getClass() && id == ((Building) obj).id;
+  }
+
+  @Override
+  public String toString() {
+    return "{\"Id\":\"" + id + "\",\"Name\":\"" + name + "\",\"Image\":\"" + Arrays.toString(image) + "\"}";
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/City.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/City.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/City.java
new file mode 100644
index 0000000..7b866a3
--- /dev/null
+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/City.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmComplexType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+
+
+/**
+ *  
+ */
+@EdmComplexType(name="c_City", namespace = ModelSharedConstants.NAMESPACE_1)
+public class City {
+
+  @EdmProperty
+  private String postalCode;
+  @EdmProperty
+  private String cityName;
+
+  public City(final String postalCode, final String name) {
+    this.postalCode = postalCode;
+    cityName = name;
+  }
+
+  public void setPostalCode(final String postalCode) {
+    this.postalCode = postalCode;
+  }
+
+  public String getPostalCode() {
+    return postalCode;
+  }
+
+  public void setCityName(final String cityName) {
+    this.cityName = cityName;
+  }
+
+  public String getCityName() {
+    return cityName;
+  }
+
+  @Override
+  public String toString() {
+    return String.format("%s, %s", cityName, postalCode);
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Employee.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Employee.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Employee.java
new file mode 100644
index 0000000..63b8a76
--- /dev/null
+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Employee.java
@@ -0,0 +1,187 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+import java.text.DateFormat;
+import java.util.Calendar;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmKey;
+import org.apache.olingo.odata2.api.annotation.edm.EdmMediaResourceContent;
+import org.apache.olingo.odata2.api.annotation.edm.EdmMediaResourceMimeType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmType;
+
+/**
+ *  
+ */
+@EdmEntityType(name = "Employee", namespace = ModelSharedConstants.NAMESPACE_1)
+@EdmEntitySet(name = "Employees")
+public class Employee {
+  @EdmKey
+  @EdmProperty(name = "EmployeeId", type = EdmType.STRING)
+  private String employeeId;
+  @EdmProperty(name = "EmployeeName")
+  private String employeeName;
+  @EdmProperty
+  private int age;
+  @EdmNavigationProperty(name = "ne_Manager", association = "ManagerEmployees")
+  private Manager manager;
+  @EdmNavigationProperty(name = "ne_Team", association = "TeamEmployees")
+  private Team team;
+  @EdmNavigationProperty(name = "ne_Room")
+  private Room room;
+  @EdmMediaResourceMimeType
+  private String imageType;
+  @EdmMediaResourceContent
+  private byte[] image;
+  @EdmProperty(name = "ImageUrl")
+  private String imageUrl;
+  @EdmProperty(name = "EntryDate", type = EdmType.DATE_TIME)
+  private Calendar entryDate;
+  @EdmProperty(name = "Location")
+  private Location location;
+
+  public Employee(final String employeeId, final String name) {
+    this.employeeId = employeeId;
+    setEmployeeName(name);
+  }
+
+  public String getId() {
+    return employeeId;
+  }
+
+  public void setEmployeeName(final String employeeName) {
+    this.employeeName = employeeName;
+  }
+
+  public String getEmployeeName() {
+    return employeeName;
+  }
+
+  public void setAge(final int age) {
+    this.age = age;
+  }
+
+  public int getAge() {
+    return age;
+  }
+
+  public void setManager(final Manager manager) {
+    this.manager = manager;
+  }
+
+  public Manager getManager() {
+    return manager;
+  }
+
+  public void setTeam(final Team team) {
+    this.team = team;
+  }
+
+  public Team getTeam() {
+    return team;
+  }
+
+  public void setRoom(final Room room) {
+    this.room = room;
+  }
+
+  public Room getRoom() {
+    return room;
+  }
+
+  public void setImageUri(final String imageUri) {
+    imageUrl = imageUri;
+  }
+
+  public String getImageUri() {
+    return imageUrl;
+  }
+
+  public void setLocation(final Location location) {
+    this.location = location;
+  }
+
+  public Location getLocation() {
+    return location;
+  }
+
+  public void setEntryDate(final Calendar date) {
+    entryDate = date;
+  }
+
+  public Calendar getEntryDate() {
+    return entryDate;
+  }
+
+  public void setImageType(final String imageType) {
+    this.imageType = imageType;
+  }
+
+  public String getImageType() {
+    return imageType;
+  }
+
+  public void setImage(final byte[] image) {
+    this.image = image;
+  }
+
+  public byte[] getImage() {
+    if (image == null) {
+      return null;
+    }
+    return image.clone();
+  }
+
+  @Override
+  public int hashCode() {
+    if (employeeId == null) {
+      return 0;
+    }
+    return employeeId.hashCode();
+  }
+
+  @Override
+  public boolean equals(final Object obj) {
+    return this == obj
+        || obj != null && getClass() == obj.getClass() && employeeId == ((Employee) obj).employeeId;
+  }
+
+  @Override
+  public String toString() {
+    return "{\"EmployeeId\":\"" + employeeId + "\","
+        + "\"EmployeeName\":\"" + employeeName + "\","
+        + "\"ManagerId\":" + (manager == null ? "null" : "\"" + manager.getId() + "\"") + ","
+        + "\"RoomId\":" + (room == null ? "null" : "\"" + room.getId() + "\"") + ","
+        + "\"TeamId\":" + (team == null ? "null" : "\"" + team.getId() + "\"") + ","
+        + "\"Location\":"
+        + (location == null ? "null" :
+            "{\"City\":" + (location.getCity() == null ? "null" :
+                "{\"PostalCode\":\"" + location.getCity().getPostalCode() + "\","
+                    + "\"CityName\":\"" + location.getCity().getCityName() + "\"}") + ","
+                + "\"Country\":\"" + location.getCountry() + "\"}") + ","
+        + "\"Age\":" + age + ","
+        + "\"EntryDate\":"
+        + (entryDate == null ? "null" : "\"" + DateFormat.getInstance().format(entryDate.getTime()) + "\"") + ","
+        + "\"ImageUrl\":\"" + imageUrl + "\"}";
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Location.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Location.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Location.java
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+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Location.java
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+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmComplexType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+
+
+/**
+ *  
+ */
+@EdmComplexType(name = "c_Location", namespace = ModelSharedConstants.NAMESPACE_1)
+public class Location {
+  @EdmProperty
+  private String country;
+  @EdmProperty
+  private City city;
+
+  public Location(final String country, final String postalCode, final String cityName) {
+    this.country = country;
+    city = new City(postalCode, cityName);
+  }
+
+  public void setCountry(final String country) {
+    this.country = country;
+  }
+
+  public String getCountry() {
+    return country;
+  }
+
+  public void setCity(final City city) {
+    this.city = city;
+  }
+
+  public City getCity() {
+    return city;
+  }
+
+  @Override
+  public String toString() {
+    return String.format("%s, %s", country, city.toString());
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Manager.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Manager.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Manager.java
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+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Manager.java
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+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmNavigationProperty.Multiplicity;
+
+/**
+ *
+ */
+@EdmEntityType(name = "Manager", namespace = ModelSharedConstants.NAMESPACE_1)
+@EdmEntitySet(name = "Managers")
+public class Manager extends Employee {
+
+  @EdmNavigationProperty(name = "nm_Employees", association = "ManagerEmployees",
+      toMultiplicity = Multiplicity.MANY)
+  private List<Employee> employees = new ArrayList<Employee>();
+
+  public Manager(final String id, final String name) {
+    super(id, name);
+  }
+
+  public List<Employee> getEmployees() {
+    return employees;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/ModelSharedConstants.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/ModelSharedConstants.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/ModelSharedConstants.java
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+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/ModelSharedConstants.java
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+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+public interface ModelSharedConstants {
+
+  String NAMESPACE_1 = "RefScenario";
+  String CONTAINER_1 = "DefaultContainer";
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Photo.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Photo.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Photo.java
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+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/Photo.java
@@ -0,0 +1,128 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.olingo.odata2.core.annotation.model;
+
+import java.util.Arrays;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntitySet;
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmKey;
+import org.apache.olingo.odata2.api.annotation.edm.EdmMediaResourceContent;
+import org.apache.olingo.odata2.api.annotation.edm.EdmMediaResourceMimeType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmMediaResourceSource;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmType;
+
+/**
+ *  
+ */
+@EdmEntityType(name = "Photo", namespace = ModelSharedConstants.NAMESPACE_1)
+@EdmEntitySet(name = "Photos")
+public class Photo {
+  @EdmProperty
+  @EdmKey
+  private String name;
+  @EdmProperty(name = "ImageFormat")
+  @EdmKey
+  private String type;
+  @EdmProperty
+  @EdmMediaResourceMimeType
+  private String mimeType;
+  @EdmProperty
+  @EdmMediaResourceSource
+  private String imageUrl = "http://localhost/someResource.png";
+  @EdmProperty(type = EdmType.BINARY)
+  @EdmMediaResourceContent
+  private byte[] image = ResourceHelper.generateImage();
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(final String name) {
+    this.name = name;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public void setType(final String type) {
+    this.type = type;
+  }
+
+  public String getImageUri() {
+    return imageUrl;
+  }
+
+  public void setImageUri(final String uri) {
+    imageUrl = uri;
+  }
+
+  public byte[] getImage() {
+    return image.clone();
+  }
+
+  public void setImage(final byte[] image) {
+    this.image = image;
+  }
+
+  public String getImageType() {
+    return mimeType;
+  }
+
+  public void setImageType(final String imageType) {
+    this.mimeType = imageType;
+  }
+
+  @Override
+  public int hashCode() {
+    int hash = 5;
+    hash = 83 * hash + (this.name != null ? this.name.hashCode() : 0);
+    hash = 83 * hash + (this.type != null ? this.type.hashCode() : 0);
+    return hash;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (obj == null) {
+      return false;
+    }
+    if (getClass() != obj.getClass()) {
+      return false;
+    }
+    final Photo other = (Photo) obj;
+    if ((this.name == null) ? (other.name != null) : !this.name.equals(other.name)) {
+      return false;
+    }
+    if ((this.type == null) ? (other.type != null) : !this.type.equals(other.type)) {
+      return false;
+    }
+    return true;
+  }
+  
+  @Override
+  public String toString() {
+    return "{\"Name\":\"" + name + "\","
+        + "\"Type\":\"" + type + "\","
+        + "\"ImageUrl\":\"" + imageUrl + "\","
+        + "\"Image\":\"" + Arrays.toString(image) + "\","
+        + "\"MimeType\":\"" + mimeType + "\"";
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata2/blob/39485c57/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/RefBase.java
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diff --git a/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/RefBase.java b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/RefBase.java
new file mode 100644
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+++ b/odata2-annotation-processor/annotation-processor-core/src/test/java/org/apache/olingo/odata2/core/annotation/model/RefBase.java
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+/*
+ * Copyright 2013 The Apache Software Foundation.
+ *
+ * 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 org.apache.olingo.odata2.core.annotation.model;
+
+import org.apache.olingo.odata2.api.annotation.edm.EdmEntityType;
+import org.apache.olingo.odata2.api.annotation.edm.EdmKey;
+import org.apache.olingo.odata2.api.annotation.edm.EdmProperty;
+import org.apache.olingo.odata2.api.annotation.edm.EdmType;
+
+/**
+ *
+ */
+@EdmEntityType(name="Base", namespace=ModelSharedConstants.NAMESPACE_1)
+public abstract class RefBase {
+  @EdmProperty(name="Name")
+  protected String name;
+  @EdmProperty(name="Id", type = EdmType.STRING)
+  @EdmKey
+  protected int id;
+
+  public RefBase(int id, String name) {
+    this.name = name;
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getId() {
+    return Integer.toString(id);
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public void setId(int id) {
+    this.id = id;
+  }
+}