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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * 
 * http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.olingo.odata2.api.edm;

import java.util.Collection;

/**
 * @org.apache.olingo.odata2.DoNotImplement
 * A CSDL FunctionImport element
 * 
 * EdmFunctionImport can be used model functions which have input parameters, an associated HTTP Method
 * and a return type which can be of different kinds:
 * 
 * {@link EdmSimpleType} or a collection of simple types
 * 
{@link EdmEntityType} or a collection of entity types
 * {@link EdmEntitySet}
 * 
 */
public interface EdmFunctionImport extends EdmMappable, EdmNamed, EdmAnnotatable {

  /**
   * Get the parameter by name
   * @param name
   * @return {@link EdmParameter}
   * @throws EdmException
   */
  EdmParameter getParameter(String name) throws EdmException;

  /**
   * Get all parameter names
   * @return collection of parameter names of type Collection
   * @throws EdmException
   */
  Collection getParameterNames() throws EdmException;

  /**
   * Get the edm entity set
   * @return {@link EdmEntitySet}
   * @throws EdmException
   */
  EdmEntitySet getEntitySet() throws EdmException;

  /**
   * Get the HTTP Method
   * @return HTTP Method as String
   * @throws EdmException
   */
  String getHttpMethod() throws EdmException;

  /**
   * @return {@link EdmTyped}
   * @throws EdmException
   */
  EdmTyped getReturnType() throws EdmException;

  /**
   * Get the entity container the function import is contained in
   * @return {@link EdmEntityContainer}
   * @throws EdmException
   */
  EdmEntityContainer getEntityContainer() throws EdmException;
}