| /** |
| * 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.hadoop.hbase; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.hadoop.hbase.client.RegionInfoBuilder; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ MiscTests.class, SmallTests.class }) |
| public class TestHRegionLocation { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestHRegionLocation.class); |
| |
| /** |
| * HRegionLocations are equal if they have the same 'location' -- i.e. host and port -- even if |
| * they are carrying different regions. Verify that is indeed the case. |
| */ |
| @Test |
| public void testHashAndEqualsCode() { |
| ServerName hsa1 = ServerName.valueOf("localhost", 1234, -1L); |
| HRegionLocation hrl1 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa1); |
| HRegionLocation hrl2 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa1); |
| assertEquals(hrl1.hashCode(), hrl2.hashCode()); |
| assertTrue(hrl1.equals(hrl2)); |
| HRegionLocation hrl3 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa1); |
| assertNotSame(hrl1, hrl3); |
| // They are equal because they have same location even though they are |
| // carrying different regions or timestamp. |
| assertTrue(hrl1.equals(hrl3)); |
| ServerName hsa2 = ServerName.valueOf("localhost", 12345, -1L); |
| HRegionLocation hrl4 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa2); |
| // These have same HRI but different locations so should be different. |
| assertFalse(hrl3.equals(hrl4)); |
| HRegionLocation hrl5 = |
| new HRegionLocation(hrl4.getRegion(), hrl4.getServerName(), hrl4.getSeqNum() + 1); |
| assertTrue(hrl4.equals(hrl5)); |
| } |
| |
| @Test |
| public void testToString() { |
| ServerName hsa1 = ServerName.valueOf("localhost", 1234, -1L); |
| HRegionLocation hrl1 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa1); |
| System.out.println(hrl1.toString()); |
| } |
| |
| @SuppressWarnings("SelfComparison") |
| @Test |
| public void testCompareTo() { |
| ServerName hsa1 = ServerName.valueOf("localhost", 1234, -1L); |
| HRegionLocation hsl1 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa1); |
| ServerName hsa2 = ServerName.valueOf("localhost", 1235, -1L); |
| HRegionLocation hsl2 = new HRegionLocation(RegionInfoBuilder.FIRST_META_REGIONINFO, hsa2); |
| assertEquals(0, hsl1.compareTo(hsl1)); |
| assertEquals(0, hsl2.compareTo(hsl2)); |
| int compare1 = hsl1.compareTo(hsl2); |
| int compare2 = hsl2.compareTo(hsl1); |
| assertTrue((compare1 > 0) ? compare2 < 0 : compare2 > 0); |
| } |
| } |