| /***************************************************************** |
| * 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 |
| * |
| * https://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.cayenne.exp.parser; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.apache.cayenne.exp.Expression; |
| |
| /** |
| * Bitwise right shift '>>' operation. |
| * |
| * @since 4.0 |
| */ |
| public class ASTBitwiseRightShift extends EvaluatedBitwiseNode { |
| private static final long serialVersionUID = 1L; |
| |
| ASTBitwiseRightShift(int id) { |
| super(id); |
| } |
| |
| public ASTBitwiseRightShift() { |
| super(ExpressionParserTreeConstants.JJTBITWISERIGHTSHIFT); |
| } |
| |
| public ASTBitwiseRightShift(Object[] nodes) { |
| this(Arrays.asList(nodes)); |
| } |
| |
| public ASTBitwiseRightShift(Collection<Object> nodes) { |
| super(ExpressionParserTreeConstants.JJTBITWISERIGHTSHIFT); |
| int len = nodes.size(); |
| Iterator<Object> it = nodes.iterator(); |
| for (int i = 0; i < len; i++) { |
| jjtAddChild(wrapChild(it.next()), i); |
| } |
| connectChildren(); |
| } |
| |
| @Override |
| protected long op(long result, long arg) { |
| return result >> arg; |
| } |
| |
| @Override |
| protected String getExpressionOperator(int index) { |
| return ">>"; |
| } |
| |
| @Override |
| public int getType() { |
| return Expression.BITWISE_RIGHT_SHIFT; |
| } |
| |
| @Override |
| protected String getEJBQLExpressionOperator(int index) { |
| throw new UnsupportedOperationException( |
| "EJBQL 'bitwise not' is not supported"); |
| } |
| |
| @Override |
| public Expression shallowCopy() { |
| return new ASTBitwiseRightShift(id); |
| } |
| |
| @Override |
| public void jjtClose() { |
| super.jjtClose(); |
| flattenTree(); |
| } |
| } |