| /* |
| * 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.queryoption.expression; |
| |
| /** |
| * Represents a unary expression node in the expression tree |
| * <br> |
| * A binary expression node is inserted in the expression tree for any valid |
| * ODATA unary operator in {@link UnaryOperatorKind} |
| */ |
| public interface Unary extends Expression { |
| |
| /** |
| * @return The used binary operator |
| * @see UnaryOperatorKind |
| */ |
| public Expression getOperand(); |
| |
| /** |
| * @return Expression sub tree to which the operator applies |
| */ |
| public UnaryOperatorKind getOperator(); |
| |
| } |
