| /* |
| * 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.accumulo.test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.client.TableOfflineException; |
| import org.apache.accumulo.core.client.admin.Locations; |
| import org.apache.accumulo.core.data.Range; |
| import org.apache.accumulo.core.data.TableId; |
| import org.apache.accumulo.core.data.TabletId; |
| import org.apache.accumulo.core.dataImpl.KeyExtent; |
| import org.apache.accumulo.core.dataImpl.TabletIdImpl; |
| import org.apache.accumulo.harness.AccumuloClusterHarness; |
| import org.apache.hadoop.io.Text; |
| import org.junit.Test; |
| |
| public class LocatorIT extends AccumuloClusterHarness { |
| |
| @Override |
| protected int defaultTimeoutSeconds() { |
| return 120; |
| } |
| |
| private void assertContains(Locations locations, HashSet<String> tservers, |
| Map<Range,Set<TabletId>> expected1, Map<TabletId,Set<Range>> expected2) { |
| |
| Map<Range,Set<TabletId>> gbr = new HashMap<>(); |
| for (Entry<Range,List<TabletId>> entry : locations.groupByRange().entrySet()) { |
| gbr.put(entry.getKey(), new HashSet<>(entry.getValue())); |
| } |
| |
| assertEquals(expected1, gbr); |
| |
| Map<TabletId,Set<Range>> gbt = new HashMap<>(); |
| for (Entry<TabletId,List<Range>> entry : locations.groupByTablet().entrySet()) { |
| gbt.put(entry.getKey(), new HashSet<>(entry.getValue())); |
| |
| TabletId tid = entry.getKey(); |
| String location = locations.getTabletLocation(tid); |
| assertNotNull("Location for " + tid + " was null", location); |
| assertTrue("Unknown location " + location, tservers.contains(location)); |
| assertEquals("Expected <host>:<port> " + location, 2, location.split(":").length); |
| |
| } |
| |
| assertEquals(expected2, gbt); |
| } |
| |
| private static TabletId newTabletId(String tableId, String endRow, String prevRow) { |
| return new TabletIdImpl(new KeyExtent(TableId.of(tableId), |
| endRow == null ? null : new Text(endRow), prevRow == null ? null : new Text(prevRow))); |
| } |
| |
| @Test |
| public void testBasic() throws Exception { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| String tableName = getUniqueNames(1)[0]; |
| |
| client.tableOperations().create(tableName); |
| |
| Range r1 = new Range("m"); |
| Range r2 = new Range("o", "x"); |
| |
| String tableId = client.tableOperations().tableIdMap().get(tableName); |
| |
| TabletId t1 = newTabletId(tableId, null, null); |
| TabletId t2 = newTabletId(tableId, "r", null); |
| TabletId t3 = newTabletId(tableId, null, "r"); |
| |
| ArrayList<Range> ranges = new ArrayList<>(); |
| |
| HashSet<String> tservers = new HashSet<>(client.instanceOperations().getTabletServers()); |
| |
| ranges.add(r1); |
| Locations ret = client.tableOperations().locate(tableName, ranges); |
| assertContains(ret, tservers, Map.of(r1, Set.of(t1)), Map.of(t1, Set.of(r1))); |
| |
| ranges.add(r2); |
| ret = client.tableOperations().locate(tableName, ranges); |
| assertContains(ret, tservers, Map.of(r1, Set.of(t1), r2, Set.of(t1)), |
| Map.of(t1, Set.of(r1, r2))); |
| |
| TreeSet<Text> splits = new TreeSet<>(); |
| splits.add(new Text("r")); |
| client.tableOperations().addSplits(tableName, splits); |
| |
| ret = client.tableOperations().locate(tableName, ranges); |
| assertContains(ret, tservers, Map.of(r1, Set.of(t2), r2, Set.of(t2, t3)), |
| Map.of(t2, Set.of(r1, r2), t3, Set.of(r2))); |
| |
| client.tableOperations().offline(tableName, true); |
| |
| try { |
| client.tableOperations().locate(tableName, ranges); |
| fail(); |
| } catch (TableOfflineException e) { |
| // expected |
| } |
| |
| client.tableOperations().delete(tableName); |
| |
| try { |
| client.tableOperations().locate(tableName, ranges); |
| fail(); |
| } catch (TableNotFoundException e) { |
| // expected |
| } |
| } |
| } |
| } |