| /* |
| * Copyright 2009-2011 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.asterix.om.base; |
| |
| public class InMemUtils { |
| |
| public final static boolean cursorEquals(IACursor c1, IACursor c2) { |
| while (c1.next()) { |
| if (!(c2.next())) { |
| return false; |
| } |
| IAObject thisO = c1.get(); |
| IAObject otherO = c2.get(); |
| if (!(thisO.equals(otherO))) { |
| return false; |
| } |
| } |
| if (c2.next()) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| public final static int hashCursor(IACursor c) { |
| int h = 0; |
| while (c.next()) { |
| h = h * 31 + c.get().hashCode(); |
| } |
| return h; |
| } |
| |
| static int hashDouble(double value) { |
| long bits = Double.doubleToLongBits(value); |
| return (int) (bits ^ (bits >>> 32)); |
| } |
| |
| static boolean deepEqualArrays(IAObject[] v1, IAObject[] v2) { |
| if (v1.length != v2.length) { |
| return false; |
| } |
| for (int i = 0; i < v1.length; i++) { |
| if (!v1[i].deepEqual(v2[i])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |