| package org.apache.cassandra.db; |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| import org.junit.Test; |
| |
| import junit.framework.Assert; |
| import org.apache.cassandra.Util; |
| import org.apache.cassandra.utils.ByteBufferUtil; |
| import org.apache.cassandra.utils.concurrent.OpOrder; |
| import org.apache.cassandra.utils.memory.NativeAllocator; |
| import org.apache.cassandra.utils.memory.NativePool; |
| |
| public class CellTest |
| { |
| |
| private static final OpOrder order = new OpOrder(); |
| private static NativeAllocator allocator = new NativePool(Integer.MAX_VALUE, Integer.MAX_VALUE, 1f, null).newAllocator(); |
| |
| @Test |
| public void testExpiringCellReconile() |
| { |
| // equal |
| Assert.assertEquals(0, testExpiring("a", "a", 1, 1, null, null, null, null)); |
| |
| // newer timestamp |
| Assert.assertEquals(-1, testExpiring("a", "a", 2, 1, null, null, 1L, null)); |
| Assert.assertEquals(-1, testExpiring("a", "a", 2, 1, null, "b", 1L, 2)); |
| |
| // newer TTL |
| Assert.assertEquals(-1, testExpiring("a", "a", 1, 2, null, null, null, 1)); |
| Assert.assertEquals(1, testExpiring("a", "a", 1, 2, null, "b", null, 1)); |
| |
| // newer value |
| Assert.assertEquals(-1, testExpiring("a", "b", 2, 1, null, "a", null, null)); |
| Assert.assertEquals(-1, testExpiring("a", "b", 2, 1, null, "a", null, 2)); |
| } |
| |
| private int testExpiring(String n1, String v1, long t1, int et1, String n2, String v2, Long t2, Integer et2) |
| { |
| if (n2 == null) |
| n2 = n1; |
| if (v2 == null) |
| v2 = v1; |
| if (t2 == null) |
| t2 = t1; |
| if (et2 == null) |
| et2 = et1; |
| int result = testExpiring(n1, v1, t1, et1, false, n2, v2, t2, et2, false); |
| Assert.assertEquals(result, testExpiring(n1, v1, t1, et1, false, n2, v2, t2, et2, true)); |
| Assert.assertEquals(result, testExpiring(n1, v1, t1, et1, true, n2, v2, t2, et2, false)); |
| Assert.assertEquals(result, testExpiring(n1, v1, t1, et1, true, n2, v2, t2, et2, true)); |
| return result; |
| } |
| |
| private int testExpiring(String n1, String v1, long t1, int et1, boolean native1, String n2, String v2, long t2, int et2, boolean native2) |
| { |
| Cell c1 = expiring(n1, v1, t1, et1, native1); |
| Cell c2 = expiring(n2, v2, t2, et2, native2); |
| return reconcile(c1, c2); |
| } |
| |
| int reconcile(Cell c1, Cell c2) |
| { |
| if (c1.reconcile(c2) == c1) |
| return c2.reconcile(c1) == c1 ? -1 : 0; |
| return c2.reconcile(c1) == c2 ? 1 : 0; |
| } |
| |
| private Cell expiring(String name, String value, long timestamp, int expirationTime, boolean nativeCell) |
| { |
| ExpiringCell cell = new BufferExpiringCell(Util.cellname(name), ByteBufferUtil.bytes(value), timestamp, 1, expirationTime); |
| if (nativeCell) |
| cell = new NativeExpiringCell(allocator, order.getCurrent(), cell); |
| return cell; |
| } |
| |
| } |