/*******************************************************************************
 * Copyright 2013 SAP AG
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.sap.core.odata.api.edm;

/**
 * @com.sap.core.odata.DoNotImplement
 * A CSDL AssociationEnd element
 * 
 * <p>EdmAssociationEnd defines one side of the relationship of two entity types.
 * @author SAP AG
 */
public interface EdmAssociationEnd {

  /**
   * @return the role of this {@link EdmAssociationEnd} as a String.
   */
  String getRole();

  /**
   * @return {@link EdmEntityType} this association end points to.
   * @throws EdmException
   */
  EdmEntityType getEntityType() throws EdmException;

  /**
   * See {@link EdmMultiplicity} for more information about possible multiplicities.
   * @return {@link EdmMultiplicity}
   */
  EdmMultiplicity getMultiplicity();
}