org.apache.olingo.server.api.uri.UriResourceFunction Maven / Gradle / Ivy

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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.server.api.uri;

import java.util.List;

import org.apache.olingo.commons.api.edm.EdmFunction;
import org.apache.olingo.commons.api.edm.EdmFunctionImport;
import org.apache.olingo.commons.api.edm.EdmType;

/**
 * Used to describe an function import or bound function used within an resource path
 * For example: http://.../serviceroot/functionImport(P1=1,P2='A')
 */
public interface UriResourceFunction extends UriResourcePartTyped {

  /**
   * If the resource path specifies a function import this method will deliver the unbound function for the function
   * import.
   * @return Function used in the resource path or function import
   */
  EdmFunction getFunction();

  /**
   * Convenience method which returns the {@link EdmFunctionImport} which was used in
   * the resource path to define the {@link EdmFunction}.
   * @return Function Import used in the resource path
   */
  EdmFunctionImport getFunctionImport();

  /**
   * @return Key predicates if used, otherwise an empty list
   */
  List getKeyPredicates();

  /**
   * @return List of function parameters
   */
  List getParameters();

  /**
   * @return Type filter before key predicates if used, otherwise null
   */
  EdmType getTypeFilterOnCollection();

  /**
   * @return Type filter behind key predicates if used, otherwise null
   */
  EdmType getTypeFilterOnEntry();

}