You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@olingo.apache.org by ch...@apache.org on 2013/11/12 12:30:15 UTC

[2/3] [OLINGO-60] Edm Interfaces and Provider classes

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/EdmTyped.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/EdmTyped.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/EdmTyped.java
new file mode 100644
index 0000000..83df908
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/EdmTyped.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * 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.commons.api.edm;
+
+/**
+ * EdmTyped indicates if an EDM element is of a special type and holds the multiplicity of that type.
+ */
+public interface EdmTyped {
+
+  /**
+   * See {@link EdmType} for more information about possible types.
+   * @return {@link EdmType}
+   */
+  EdmType getType();
+
+  boolean isCollection();
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmConcurrencyMode.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmConcurrencyMode.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmConcurrencyMode.java
new file mode 100644
index 0000000..db24d50
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmConcurrencyMode.java
@@ -0,0 +1,29 @@
+/*******************************************************************************
+ * 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.commons.api.edm.constants;
+
+/**
+ * EdmConcurrencyMode can be applied to any primitive Entity Data Model (EDM) type.
+ * <p>Possible values are "None", which is the default, and "Fixed".
+ * Fixed implies that the property should be used for optimistic concurrency checks.
+ */
+public enum EdmConcurrencyMode {
+
+  None, Fixed;
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmOnDelete.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmOnDelete.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmOnDelete.java
new file mode 100644
index 0000000..a22aedf
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmOnDelete.java
@@ -0,0 +1,23 @@
+/*******************************************************************************
+ * 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.commons.api.edm.constants;
+
+public enum EdmOnDelete {
+  Cascade, None, SetNull, SetDefault;
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTargetPath.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTargetPath.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTargetPath.java
new file mode 100644
index 0000000..d28f65c
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTargetPath.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * 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.commons.api.edm.constants;
+
+/**
+ * EdmTargetPath specifies the possible default targets for an EDM property which is mapped to an atom element.
+ */
+public class EdmTargetPath {
+
+  public static final String SYNDICATION_AUTHORNAME = "SyndicationAuthorName";
+  public static final String SYNDICATION_AUTHOREMAIL = "SyndicationAuthorEmail";
+  public static final String SYNDICATION_AUTHORURI = "SyndicationAuthorUri";
+  public static final String SYNDICATION_PUBLISHED = "SyndicationPublished";
+  public static final String SYNDICATION_RIGHTS = "SyndicationRights";
+  public static final String SYNDICATION_TITLE = "SyndicationTitle";
+  public static final String SYNDICATION_UPDATED = "SyndicationUpdated";
+  public static final String SYNDICATION_CONTRIBUTORNAME = "SyndicationContributorName";
+  public static final String SYNDICATION_CONTRIBUTOREMAIL = "SyndicationContributorEmail";
+  public static final String SYNDICATION_CONTRIBUTORURI = "SyndicationContributorUri";
+  public static final String SYNDICATION_SOURCE = "SyndicationSource";
+  public static final String SYNDICATION_SUMMARY = "SyndicationSummary";
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTypeKind.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTypeKind.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTypeKind.java
new file mode 100644
index 0000000..c4bcc5c
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/constants/EdmTypeKind.java
@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * 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.commons.api.edm.constants;
+
+/**
+ * EdmTypeKind specifies the type of an EDM element.
+ */
+public enum EdmTypeKind {
+
+  UNDEFINED, PRIMITIVE, ENUM, DEFINITION, COMPLEX, ENTITY, NAVIGATION, ACTION, FUNCTION, SYSTEM;
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmEntitySetInfo.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmEntitySetInfo.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmEntitySetInfo.java
new file mode 100644
index 0000000..8754bfd
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmEntitySetInfo.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * 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.commons.api.edm.helper;
+
+import java.net.URI;
+
+/**
+ * Objects of this class contain information about one entity set inside the EntityDataModel.
+ */
+public interface EdmEntitySetInfo {
+
+  /**
+   * @return the entity container name which contains this entity set.
+   */
+  public String getEntityContainerName();
+
+  /**
+   * @return the entity set name
+   */
+  public String getEntitySetName();
+
+  /**
+   * We use a {@link URI} object here to ensure the right encoding.
+   * If a string representation is needed the toASCIIString() method can be used.
+   * @return the uri to this entity set e.g. "Employees"
+   */
+  public URI getEntitySetUri();
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmFunctionImportInfo.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmFunctionImportInfo.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmFunctionImportInfo.java
new file mode 100644
index 0000000..b92f80c
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmFunctionImportInfo.java
@@ -0,0 +1,44 @@
+/*******************************************************************************
+ * 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.commons.api.edm.helper;
+
+import java.net.URI;
+
+/**
+ * Objects of this class contain information about one function import inside the EntityDataModel.
+ */
+public interface EdmFunctionImportInfo {
+
+  /**
+   * @return the entity container name which contains this function import.
+   */
+  public String getEntityContainerName();
+
+  /**
+   * @return the function import name
+   */
+  public String getFunctionImportName();
+
+  /**
+   * We use a {@link URI} object here to ensure the right encoding.
+   * If a string representation is needed the toASCIIString() method can be used.
+   * @return the uri to this function import
+   */
+  public URI getFunctionImportUri();
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmSingletonInfo.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmSingletonInfo.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmSingletonInfo.java
new file mode 100644
index 0000000..61cbaa3
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EdmSingletonInfo.java
@@ -0,0 +1,44 @@
+/*******************************************************************************
+ * 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.commons.api.edm.helper;
+
+import java.net.URI;
+
+/**
+ * Objects of this class contain information about one singleton inside the EntityDataModel.
+ */
+public interface EdmSingletonInfo {
+
+  /**
+   * @return the entity container name which contains this singleton.
+   */
+  public String getEntityContainerName();
+
+  /**
+   * @return the singleton name
+   */
+  public String getSingletonName();
+
+  /**
+   * We use a {@link URI} object here to ensure the right encoding.
+   * If a string representation is needed the toASCIIString() method can be used.
+   * @return the uri to this singleton e.g. "EmployeeOfTheMonth"
+   */
+  public URI getEntitySetUri();
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EntityContainerInfo.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EntityContainerInfo.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EntityContainerInfo.java
new file mode 100644
index 0000000..5536f7a
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/EntityContainerInfo.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * 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.commons.api.edm.helper;
+
+//TODO:Where to put this class?
+public class EntityContainerInfo {
+  // Why full qualified name?
+  private FullQualifiedName containerName;
+  private FullQualifiedName extendsContainer;
+
+  public FullQualifiedName getContainerName() {
+    return containerName;
+  }
+
+  public EntityContainerInfo setContainerName(final FullQualifiedName containerName) {
+    this.containerName = containerName;
+    return this;
+  }
+
+  public FullQualifiedName getExtendsContainer() {
+    return extendsContainer;
+  }
+
+  public EntityContainerInfo setExtendsContainer(final FullQualifiedName extendsContainer) {
+    this.extendsContainer = extendsContainer;
+    return this;
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/FullQualifiedName.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/FullQualifiedName.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/FullQualifiedName.java
new file mode 100644
index 0000000..4946ce6
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/FullQualifiedName.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * 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.commons.api.edm.helper;
+
+/**
+ * A full qualified name of any element in the EDM consists of a name and a namespace.
+ */
+public class FullQualifiedName {
+
+  private final String namespace;
+  private final String name;
+  private final String fqn;
+
+  /**
+   * @param namespace
+   * @param name
+   */
+  public FullQualifiedName(final String namespace, final String name) {
+    this.namespace = namespace;
+    this.name = name;
+    fqn = namespace + "." + name;
+  }
+
+  /**
+   * @return namespace
+   */
+  public String getNamespace() {
+    return namespace;
+  }
+
+  /**
+   * @return name
+   */
+  public String getName() {
+    return name;
+  }
+
+  /**
+   * @return namespace.name
+   */
+  public String getFullQualifiedNameAsString() {
+    return fqn;
+  }
+
+  @Override
+  public int hashCode() {
+    return toString().hashCode();
+  }
+
+  @Override
+  public boolean equals(final Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if ((obj == null) || !(obj instanceof FullQualifiedName)) {
+      return false;
+    }
+    final FullQualifiedName other = (FullQualifiedName) obj;
+    return namespace.equals(other.getNamespace()) && name.equals(other.getName());
+  }
+
+  @Override
+  public String toString() {
+    return fqn;
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/NamespaceInfo.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/NamespaceInfo.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/NamespaceInfo.java
new file mode 100644
index 0000000..7759ba9
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/helper/NamespaceInfo.java
@@ -0,0 +1,44 @@
+/*******************************************************************************
+ * 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.commons.api.edm.helper;
+
+//TODO:where to put this class?
+public class NamespaceInfo {
+  private String namespace;
+  private String alias;
+
+  public String getNamespace() {
+    return namespace;
+  }
+
+  public NamespaceInfo setNamespace(final String namespace) {
+    this.namespace = namespace;
+    return this;
+  }
+
+  public String getAlias() {
+    return alias;
+  }
+
+  public NamespaceInfo setAlias(final String alias) {
+    this.alias = alias;
+    return this;
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/package-info.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/package-info.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/package-info.java
new file mode 100644
index 0000000..5d17cde
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/package-info.java
@@ -0,0 +1,9 @@
+/**
+ * <h1>Entity Data Model API</h1>
+ * <p>The Entity Data Model is described in the OData protocol specification
+ * as well as in the Conceptual Schema Definition for the OData Protocol.
+ * Both can be found at <a href="http://www.odata.org/">http://www.odata.org/</a>.</p>
+ * <p>Many classes and interfaces contain the pragma:" @org.apache.olingo.api.edm.DoNotImplement "
+ * to indicate these classes should only be used and not implemented.</p>
+ */
+package org.apache.olingo.commons.api.edm;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Action.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Action.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Action.java
new file mode 100644
index 0000000..ee0b6a8
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Action.java
@@ -0,0 +1,54 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+//TODO: Finish
+public class Action extends Operation {
+  @Override
+  public Action setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  @Override
+  public Action setBound(final boolean isBound) {
+    this.isBound = isBound;
+    return this;
+  }
+
+  @Override
+  public Action setEntitySetPath(final EntitySetPath entitySetPath) {
+    this.entitySetPath = entitySetPath;
+    return this;
+  }
+
+  @Override
+  public Action setParameters(final List<Parameter> parameters) {
+    this.parameters = parameters;
+    return this;
+  }
+
+  @Override
+  public Action setReturnType(final ReturnType returnType) {
+    this.returnType = returnType;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ActionImport.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ActionImport.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ActionImport.java
new file mode 100644
index 0000000..0227047
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ActionImport.java
@@ -0,0 +1,35 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: Finish
+public class ActionImport extends OperationImport {
+  private FullQualifiedName action;
+
+  public FullQualifiedName getAction() {
+    return action;
+  }
+
+  public ActionImport setAction(final FullQualifiedName action) {
+    this.action = action;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Annotation.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Annotation.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Annotation.java
new file mode 100644
index 0000000..cce8b2c
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Annotation.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO:finish
+public class Annotation {
+  private FullQualifiedName term;
+  // Target should be a target path
+//  private String targetPath;
+  private String qualifier;
+  private Expression expression;
+  private List<Annotation> annotation;
+
+  public FullQualifiedName getTerm() {
+    return term;
+  }
+
+  public Annotation setTerm(final FullQualifiedName term) {
+    this.term = term;
+    return this;
+  }
+
+  public String getQualifier() {
+    return qualifier;
+  }
+
+  public Annotation setQualifier(final String qualifier) {
+    this.qualifier = qualifier;
+    return this;
+  }
+
+  public Expression getExpression() {
+    return expression;
+  }
+
+  public Annotation setExpression(final Expression expression) {
+    this.expression = expression;
+    return this;
+  }
+
+  public List<Annotation> getAnnotation() {
+    return annotation;
+  }
+
+  public Annotation setAnnotation(final List<Annotation> annotation) {
+    this.annotation = annotation;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ComplexType.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ComplexType.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ComplexType.java
new file mode 100644
index 0000000..fdf9497
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/ComplexType.java
@@ -0,0 +1,63 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO:finish
+public class ComplexType extends StructuralType {
+//Anything needed here?
+  @Override
+  public ComplexType setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  @Override
+  public ComplexType setOpenType(final boolean isOpenType) {
+    this.isOpenType = isOpenType;
+    return this;
+  }
+
+  @Override
+  public ComplexType setBaseType(final FullQualifiedName baseType) {
+    this.baseType = baseType;
+    return this;
+  }
+
+  @Override
+  public ComplexType setAbstract(final boolean isAbstract) {
+    this.isAbstract = isAbstract;
+    return this;
+  }
+
+  @Override
+  public ComplexType setProperties(final List<Property> properties) {
+    this.properties = properties;
+    return this;
+  }
+
+  @Override
+  public ComplexType setNavigationProperties(final List<NavigationProperty> navigationProperties) {
+    this.navigationProperties = navigationProperties;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProvider.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProvider.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProvider.java
new file mode 100644
index 0000000..8ec687f
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProvider.java
@@ -0,0 +1,150 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.EntityContainerInfo;
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+import org.apache.olingo.commons.api.edm.helper.NamespaceInfo;
+import org.apache.olingo.commons.api.exception.ODataException;
+
+public interface EdmProvider {
+
+  /**
+   * This method should return an {@link EnumType} or <b>null</b> if nothing is found
+   * @param enumTypeName
+   * @return {@link EnumType} for given name
+   * @throws ODataException
+   */
+  public EnumType getEnumType(final FullQualifiedName enumTypeName) throws ODataException;
+
+  /**
+   * This method should return an {@link TypeDefinition} or <b>null</b> if nothing is found
+   * @param typeDefinitionName
+   * @return {@link TypeDefinition} for given name
+   * @throws ODataException
+   */
+  public TypeDefinition getTypeDefinition(final FullQualifiedName typeDefinitionName) throws ODataException;
+
+  /**
+   * This method should return an {@link EntityType} or <b>null</b> if nothing is found
+   * @param entityTypeName
+   * @return {@link EntityType} for the given name
+   * @throws ODataException
+   */
+  public EntityType getEntityType(final FullQualifiedName entityTypeName) throws ODataException;
+
+  /**
+   * This method should return a {@link ComplexType} or <b>null</b> if nothing is found
+   * @param complexTypeName
+   * @return {@link StructuralType} for the given name
+   * @throws ODataException
+   */
+  public ComplexType getComplexType(final FullQualifiedName complexTypeName) throws ODataException;
+
+  // Revisit signature
+  /**
+   * This method should return a {@link Action} or <b>null</b> if nothing is found
+   * @param actionName
+   * @param bindingPatameterTypeName may be null if unbound
+   * @param isBindingParameterCollection may be null if unbound
+   * @return {@link Action} for the given name
+   * @throws ODataException
+   */
+  public Action getAction(final FullQualifiedName actionName, final FullQualifiedName bindingPatameterTypeName,
+      final Boolean isBindingParameterCollection) throws ODataException;
+
+  // Revisit Signature
+  /**
+   * This method should return a {@link Function} or <b>null</b> if nothing is found
+   * @param functionName
+   * @param bindingPatameterTypeName may be null if unbound
+   * @param isBindingParameterCollection may be null if unbound
+   * @param parameterNames may be null if unbound
+   * @return {@link Function} for given name
+   * @throws ODataException
+   */
+  public Function getFunction(final FullQualifiedName functionName, final FullQualifiedName bindingPatameterTypeName,
+      final Boolean isBindingParameterCollection, final List<String> parameterNames) throws ODataException;
+
+  public Term getTerm(final FullQualifiedName termName) throws ODataException;
+
+  /**
+   * This method should return an {@link EntitySet} or <b>null</b> if nothing is found
+   * @param entityContainer this EntitySet is contained in
+   * @param entitySetName
+   * @return {@link EntitySet} for the given container and entityset name
+   * @throws ODataException
+   */
+  public EntitySet getEntitySet(final FullQualifiedName entityContainer, final String entitySetName)
+      throws ODataException;
+
+  /**
+   * This method should return an {@link Singleton} or <b>null</b> if nothing is found
+   * @param entityContainer this Singleton is contained in
+   * @param singletonName
+   * @return {@link Singleton} for given container and singleton name
+   * @throws ODataException
+   */
+  public Singleton getSingleton(final FullQualifiedName entityContainer, final String singletonName)
+      throws ODataException;
+
+  /**
+   * This method should return an {@link ActionImport} or <b>null</b> if nothing is found
+   * @param entityContainer this ActionImport is contained in
+   * @param actionImportName
+   * @return {@link ActionImport} for the given container and ActionImport name
+   * @throws ODataException
+   */
+  public ActionImport getActionImport(final FullQualifiedName entityContainer, final String actionImportName)
+      throws ODataException;
+
+  /**
+   * This method should return a {@link FunctionImport} or <b>null</b> if nothing is found
+   * @param entityContainer this FunctionImport is contained in
+   * @param functionImportName
+   * @return {@link FunctionImport} for the given container name and function import name
+   * @throws ODataException
+   */
+  public FunctionImport getFunctionImport(final FullQualifiedName entityContainer, final String functionImportName)
+      throws ODataException;
+
+  /**
+   * This method should return an {@link EntityContainerInfo} or <b>null</b> if nothing is found
+   * @param name (null for default container)
+   * @return {@link EntityContainerInfo} for the given name
+   * @throws ODataException
+   */
+  public EntityContainerInfo getEntityContainerInfo(final FullQualifiedName entityContainerName) throws ODataException;
+
+  /**
+   * This method should return a list of all namespaces
+   * @return List of namespace info
+   * @throws ODataException
+   */
+  public List<NamespaceInfo> getNamespaceInfos() throws ODataException;
+
+  /**
+   * This method should return a collection of all {@link Schema}
+   * @return List<{@link Schema}>
+   * @throws ODataException
+   */
+  public List<Schema> getSchemas() throws ODataException;
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProviderAdapter.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProviderAdapter.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProviderAdapter.java
new file mode 100644
index 0000000..8b2472a
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EdmProviderAdapter.java
@@ -0,0 +1,111 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.EntityContainerInfo;
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+import org.apache.olingo.commons.api.edm.helper.NamespaceInfo;
+import org.apache.olingo.commons.api.exception.ODataException;
+import org.apache.olingo.commons.api.exception.ODataNotImplementedException;
+
+//TODO: Finish
+/**
+ * Default EDM Provider which is to be extended by the application
+ */
+public abstract class EdmProviderAdapter implements EdmProvider {
+
+  @Override
+  public EnumType getEnumType(final FullQualifiedName enumTypeName) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public TypeDefinition getTypeDefinition(final FullQualifiedName typeDefinitionName) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public EntityType getEntityType(final FullQualifiedName entityTypeName) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public ComplexType getComplexType(final FullQualifiedName complexTypeName) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  // Revisit signature
+  @Override
+  public Action getAction(final FullQualifiedName actionName, final FullQualifiedName bindingPatameterTypeName,
+      final Boolean isBindingParameterCollection) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  // Revisit Signature
+  @Override
+  public Function getFunction(final FullQualifiedName functionName, final FullQualifiedName bindingPatameterTypeName,
+      final Boolean isBindingParameterCollection, final List<String> parameterNames) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public Term getTerm(final FullQualifiedName termName) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public EntitySet getEntitySet(final FullQualifiedName entityContainer, final String name) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public Singleton getSingleton(final FullQualifiedName entityContainer, final String name) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public ActionImport getActionImport(final FullQualifiedName entityContainer, final String name) throws ODataException
+  {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public FunctionImport getFunctionImport(final FullQualifiedName entityContainer, final String name)
+      throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  // There are no other containers
+  @Override
+  public EntityContainerInfo getEntityContainerInfo(final FullQualifiedName entityContainerName) throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public List<NamespaceInfo> getNamespaceInfos() throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+
+  @Override
+  public List<Schema> getSchemas() throws ODataException {
+    throw new ODataNotImplementedException();
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityContainer.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityContainer.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityContainer.java
new file mode 100644
index 0000000..fc4f765
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityContainer.java
@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: finish
+public class EntityContainer {
+
+  private String name;
+  private FullQualifiedName extendsContainer;
+  private List<EntitySet> entitySets;
+  private List<ActionImport> actionImports;
+  private List<FunctionImport> functionImports;
+  private List<Singleton> singletons;
+
+  // Annotations
+
+  public String getName() {
+    return name;
+  }
+
+  public EntityContainer setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public FullQualifiedName getExtendsContainer() {
+    return extendsContainer;
+  }
+
+  public EntityContainer setExtendsContainer(final FullQualifiedName extendsContainer) {
+    this.extendsContainer = extendsContainer;
+    return this;
+  }
+
+  public List<EntitySet> getEntitySets() {
+    return entitySets;
+  }
+
+  public EntityContainer setEntitySets(final List<EntitySet> entitySets) {
+    this.entitySets = entitySets;
+    return this;
+  }
+
+  public List<ActionImport> getActionImports() {
+    return actionImports;
+  }
+
+  public EntityContainer setActionImports(final List<ActionImport> actionImports) {
+    this.actionImports = actionImports;
+    return this;
+  }
+
+  public List<FunctionImport> getFunctionImports() {
+    return functionImports;
+  }
+
+  public EntityContainer setFunctionImports(final List<FunctionImport> functionImports) {
+    this.functionImports = functionImports;
+    return this;
+  }
+
+  public List<Singleton> getSingletons() {
+    return singletons;
+  }
+
+  public EntityContainer setSingletons(final List<Singleton> singletons) {
+    this.singletons = singletons;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySet.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySet.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySet.java
new file mode 100644
index 0000000..bb4fa68
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySet.java
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: Finish
+public class EntitySet {
+
+  private String name;
+  private FullQualifiedName entityType;
+  private boolean includeInServiceDocument;
+  private List<NavigationPropertyBinding> navigationPropertyBindings;
+
+  public String getName() {
+    return name;
+  }
+
+  public EntitySet setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public List<NavigationPropertyBinding> getNavigationPropertyBindings() {
+    return navigationPropertyBindings;
+  }
+
+  public EntitySet setNavigationPropertyBindings(final List<NavigationPropertyBinding> navigationPropertyBindings) {
+    this.navigationPropertyBindings = navigationPropertyBindings;
+    return this;
+  }
+
+  public FullQualifiedName getEntityType() {
+    return entityType;
+  }
+
+  public EntitySet setEntityType(final FullQualifiedName entityType) {
+    this.entityType = entityType;
+    return this;
+  }
+
+  public boolean isIncludeInServiceDocument() {
+    return includeInServiceDocument;
+  }
+
+  public EntitySet setIncludeInServiceDocument(final boolean includeInServiceDocument) {
+    this.includeInServiceDocument = includeInServiceDocument;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySetPath.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySetPath.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySetPath.java
new file mode 100644
index 0000000..e489fb5
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntitySetPath.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+//TODO: finish
+//DO we really need this class?
+public class EntitySetPath {
+
+  private String bindingParameter;
+  private String path;
+
+  public String getBindingParameter() {
+    return bindingParameter;
+  }
+
+  public EntitySetPath setBindingParameter(final String bindingParameter) {
+    this.bindingParameter = bindingParameter;
+    return this;
+  }
+
+  public String getPath() {
+    return path;
+  }
+
+  public EntitySetPath setPath(final String path) {
+    this.path = path;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityType.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityType.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityType.java
new file mode 100644
index 0000000..8ea2ef4
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EntityType.java
@@ -0,0 +1,84 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: Finish
+public class EntityType extends StructuralType {
+  // Anything except which have to be new?
+  private List<PropertyRef> key;
+  private boolean hasStream;
+
+  public boolean isHasStream() {
+    return hasStream;
+  }
+
+  public EntityType setHasStream(final boolean hasStream) {
+    this.hasStream = hasStream;
+    return this;
+  }
+
+  public List<PropertyRef> getKey() {
+    return key;
+  }
+
+  public EntityType setKey(final List<PropertyRef> key) {
+    this.key = key;
+    return this;
+  }
+
+  @Override
+  public EntityType setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  @Override
+  public EntityType setOpenType(final boolean isOpenType) {
+    this.isOpenType = isOpenType;
+    return this;
+  }
+
+  @Override
+  public EntityType setBaseType(final FullQualifiedName baseType) {
+    this.baseType = baseType;
+    return this;
+  }
+
+  @Override
+  public EntityType setAbstract(final boolean isAbstract) {
+    this.isAbstract = isAbstract;
+    return this;
+  }
+
+  @Override
+  public EntityType setProperties(final List<Property> properties) {
+    this.properties = properties;
+    return this;
+  }
+
+  @Override
+  public EntityType setNavigationProperties(final List<NavigationProperty> navigationProperties) {
+    this.navigationProperties = navigationProperties;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumMember.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumMember.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumMember.java
new file mode 100644
index 0000000..1ff24e9
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumMember.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+//TODO: Finish
+public class EnumMember {
+
+  private String name;
+  private String value;
+
+  // Annotations?
+
+  public String getName() {
+    return name;
+  }
+
+  public EnumMember setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public String getValue() {
+    return value;
+  }
+
+  public EnumMember setValue(final String value) {
+    this.value = value;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumType.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumType.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumType.java
new file mode 100644
index 0000000..e010c32
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/EnumType.java
@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: Finish
+public class EnumType {
+
+  private String name;
+  private boolean isFlags;
+  // Underlying Type can only be primitve...
+  private FullQualifiedName underlyingType;
+  private List<EnumMember> members;
+
+  // Facets
+  // Annotations?
+
+  public String getName() {
+    return name;
+  }
+
+  public EnumType setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public boolean isFlags() {
+    return isFlags;
+  }
+
+  public EnumType setFlags(final boolean isFlags) {
+    this.isFlags = isFlags;
+    return this;
+  }
+
+  public FullQualifiedName getUnderlyingType() {
+    return underlyingType;
+  }
+
+  public EnumType setUnderlyingType(final FullQualifiedName underlyingType) {
+    this.underlyingType = underlyingType;
+    return this;
+  }
+
+  public List<EnumMember> getMembers() {
+    return members;
+  }
+
+  public EnumType setMembers(final List<EnumMember> members) {
+    this.members = members;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Expression.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Expression.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Expression.java
new file mode 100644
index 0000000..9545432
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Expression.java
@@ -0,0 +1,24 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+//TODO: Expression implementation
+public class Expression {
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Function.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Function.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Function.java
new file mode 100644
index 0000000..8c1a808
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Function.java
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+//TODO: Finish
+public class Function extends Operation {
+
+  private boolean isComposable;
+
+  public boolean isComposable() {
+    return isComposable;
+  }
+
+  public Function setComposable(final boolean isComposable) {
+    this.isComposable = isComposable;
+    return this;
+  }
+
+  @Override
+  public Function setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  @Override
+  public Function setBound(final boolean isBound) {
+    this.isBound = isBound;
+    return this;
+  }
+
+  @Override
+  public Function setEntitySetPath(final EntitySetPath entitySetPath) {
+    this.entitySetPath = entitySetPath;
+    return this;
+  }
+
+  @Override
+  public Function setParameters(final List<Parameter> parameters) {
+    this.parameters = parameters;
+    return this;
+  }
+
+  @Override
+  public Function setReturnType(final ReturnType returnType) {
+    this.returnType = returnType;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/FunctionImport.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/FunctionImport.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/FunctionImport.java
new file mode 100644
index 0000000..ef46ace
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/FunctionImport.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: Finish
+public class FunctionImport extends OperationImport {
+
+  private FullQualifiedName function;
+  private boolean includeInServiceDocument;
+
+  public FullQualifiedName getFunction() {
+    return function;
+  }
+
+  public FunctionImport setFunction(final FullQualifiedName function) {
+    this.function = function;
+    return this;
+  }
+
+  public boolean isIncludeInServiceDocument() {
+    return includeInServiceDocument;
+  }
+
+  public FunctionImport setIncludeInServiceDocument(final boolean includeInServiceDocument) {
+    this.includeInServiceDocument = includeInServiceDocument;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationProperty.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationProperty.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationProperty.java
new file mode 100644
index 0000000..27471b8
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationProperty.java
@@ -0,0 +1,116 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+import org.apache.olingo.commons.api.edm.constants.EdmOnDelete;
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: finish
+public class NavigationProperty {
+
+  private String name;
+  private FullQualifiedName type;
+  // Is multiplicity even needed?
+  private boolean isCollection;
+
+  // Should we make the partner a path class?
+  private String partner;
+  private boolean containsTarget;
+  private List<ReferentialConstraint> referentialConstraints;
+  // Facets
+  private Boolean nullable;
+  // Refactor this onDelete
+  private EdmOnDelete onDelete;
+
+//Annotations?
+
+  public String getName() {
+    return name;
+  }
+
+  public boolean isCollection() {
+    return isCollection;
+  }
+
+  public NavigationProperty setCollection(final boolean isCollection) {
+    this.isCollection = isCollection;
+    return this;
+  }
+
+  public NavigationProperty setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public FullQualifiedName getType() {
+    return type;
+  }
+
+  public NavigationProperty setType(final FullQualifiedName type) {
+    this.type = type;
+    return this;
+  }
+
+  public String getPartner() {
+    return partner;
+  }
+
+  public NavigationProperty setPartner(final String partner) {
+    this.partner = partner;
+    return this;
+  }
+
+  public boolean isContainsTarget() {
+    return containsTarget;
+  }
+
+  public NavigationProperty setContainsTarget(final boolean containsTarget) {
+    this.containsTarget = containsTarget;
+    return this;
+  }
+
+  public List<ReferentialConstraint> getReferentialConstraints() {
+    return referentialConstraints;
+  }
+
+  public NavigationProperty setReferentialConstraints(final List<ReferentialConstraint> referentialConstraints) {
+    this.referentialConstraints = referentialConstraints;
+    return this;
+  }
+
+  public Boolean getNullable() {
+    return nullable;
+  }
+
+  public NavigationProperty setNullable(final Boolean nullable) {
+    this.nullable = nullable;
+    return this;
+  }
+
+  public EdmOnDelete getOnDelete() {
+    return onDelete;
+  }
+
+  public NavigationProperty setOnDelete(final EdmOnDelete onDelete) {
+    this.onDelete = onDelete;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationPropertyBinding.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationPropertyBinding.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationPropertyBinding.java
new file mode 100644
index 0000000..aefa5e6
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/NavigationPropertyBinding.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+//TODO: finish
+public class NavigationPropertyBinding {
+
+  private String path;
+  // Should this really be an own class?
+  private TargetPath target;
+
+  public String getPath() {
+    return path;
+  }
+
+  public NavigationPropertyBinding setPath(final String path) {
+    this.path = path;
+    return this;
+  }
+
+  public TargetPath getTarget() {
+    return target;
+  }
+
+  public NavigationPropertyBinding setTarget(final TargetPath target) {
+    this.target = target;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Operation.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Operation.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Operation.java
new file mode 100644
index 0000000..356f710
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Operation.java
@@ -0,0 +1,79 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import java.util.List;
+
+//TODO: finish
+public abstract class Operation {
+
+  protected String name;
+  protected boolean isBound;
+  // Do we need EntitySetPath as a class?
+  protected EntitySetPath entitySetPath;
+  protected List<Parameter> parameters;
+  protected ReturnType returnType;
+
+  // Annotations?
+
+  public String getName() {
+    return name;
+  }
+
+  public Operation setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public boolean isBound() {
+    return isBound;
+  }
+
+  public Operation setBound(final boolean isBound) {
+    this.isBound = isBound;
+    return this;
+  }
+
+  public EntitySetPath getEntitySetPath() {
+    return entitySetPath;
+  }
+
+  public Operation setEntitySetPath(final EntitySetPath entitySetPath) {
+    this.entitySetPath = entitySetPath;
+    return this;
+  }
+
+  public List<Parameter> getParameters() {
+    return parameters;
+  }
+
+  public Operation setParameters(final List<Parameter> parameters) {
+    this.parameters = parameters;
+    return this;
+  }
+
+  public ReturnType getReturnType() {
+    return returnType;
+  }
+
+  public Operation setReturnType(final ReturnType returnType) {
+    this.returnType = returnType;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/OperationImport.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/OperationImport.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/OperationImport.java
new file mode 100644
index 0000000..be4ea20
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/OperationImport.java
@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+//TODO: finish
+public class OperationImport {
+
+  private String name;
+  private TargetPath entitySet;
+
+  // What about the operation which is behind the operation import?
+  // Annotations?
+
+  public String getName() {
+    return name;
+  }
+
+  public OperationImport setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public TargetPath getEntitySet() {
+    return entitySet;
+  }
+
+  public OperationImport setEntitySet(final TargetPath entitySet) {
+    this.entitySet = entitySet;
+    return this;
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-olingo-odata4/blob/33c51e30/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Parameter.java
----------------------------------------------------------------------
diff --git a/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Parameter.java b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Parameter.java
new file mode 100644
index 0000000..53d6782
--- /dev/null
+++ b/odata4-lib/odata4-commons-api/src/main/java/org/apache/olingo/commons/api/edm/provider/Parameter.java
@@ -0,0 +1,99 @@
+/*******************************************************************************
+ * 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.commons.api.edm.provider;
+
+import org.apache.olingo.commons.api.edm.helper.FullQualifiedName;
+
+//TODO: finish
+public class Parameter {
+
+  private String name;
+  private FullQualifiedName type;
+  // Why multiplicity here
+  private boolean isCollection;
+
+  // Facets?
+  private Boolean nullable;
+  private Integer maxLength;
+  private Integer precision;
+  private Integer scale;
+
+  public String getName() {
+    return name;
+  }
+
+  public Parameter setName(final String name) {
+    this.name = name;
+    return this;
+  }
+
+  public FullQualifiedName getType() {
+    return type;
+  }
+
+  public Parameter setType(final FullQualifiedName type) {
+    this.type = type;
+    return this;
+  }
+
+  public boolean isCollection() {
+    return isCollection;
+  }
+
+  public Parameter setCollection(final boolean isCollection) {
+    this.isCollection = isCollection;
+    return this;
+  }
+
+  public Boolean getNullable() {
+    return nullable;
+  }
+
+  public Parameter setNullable(final Boolean nullable) {
+    this.nullable = nullable;
+    return this;
+  }
+
+  public Integer getMaxLength() {
+    return maxLength;
+  }
+
+  public Parameter setMaxLength(final Integer maxLength) {
+    this.maxLength = maxLength;
+    return this;
+  }
+
+  public Integer getPrecision() {
+    return precision;
+  }
+
+  public Parameter setPrecision(final Integer precision) {
+    this.precision = precision;
+    return this;
+  }
+
+  public Integer getScale() {
+    return scale;
+  }
+
+  public Parameter setScale(final Integer scale) {
+    this.scale = scale;
+    return this;
+  }
+}