001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.coprocessor;
019
020import static org.junit.Assert.assertArrayEquals;
021import static org.junit.Assert.assertEquals;
022import static org.junit.Assert.assertTrue;
023
024import java.io.IOException;
025import java.util.Arrays;
026import java.util.List;
027import java.util.Map;
028import java.util.NavigableMap;
029import java.util.Optional;
030import org.apache.hadoop.hbase.Cell;
031import org.apache.hadoop.hbase.HBaseClassTestRule;
032import org.apache.hadoop.hbase.HBaseTestingUtil;
033import org.apache.hadoop.hbase.TableName;
034import org.apache.hadoop.hbase.client.Append;
035import org.apache.hadoop.hbase.client.Get;
036import org.apache.hadoop.hbase.client.Put;
037import org.apache.hadoop.hbase.client.Result;
038import org.apache.hadoop.hbase.client.Row;
039import org.apache.hadoop.hbase.client.Table;
040import org.apache.hadoop.hbase.io.TimeRange;
041import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher;
042import org.apache.hadoop.hbase.testclassification.CoprocessorTests;
043import org.apache.hadoop.hbase.testclassification.MediumTests;
044import org.apache.hadoop.hbase.util.Bytes;
045import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
046import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;
047import org.junit.AfterClass;
048import org.junit.BeforeClass;
049import org.junit.ClassRule;
050import org.junit.Rule;
051import org.junit.Test;
052import org.junit.experimental.categories.Category;
053import org.junit.rules.TestName;
054
055@Category({CoprocessorTests.class, MediumTests.class})
056public class TestAppendTimeRange {
057
058  @ClassRule
059  public static final HBaseClassTestRule CLASS_RULE =
060      HBaseClassTestRule.forClass(TestAppendTimeRange.class);
061
062  @Rule
063  public TestName name = new TestName();
064
065  private static final HBaseTestingUtil util = new HBaseTestingUtil();
066  private static final ManualEnvironmentEdge mee = new ManualEnvironmentEdge();
067
068  private static final byte[] TEST_FAMILY = Bytes.toBytes("f1");
069
070  private static final byte[] ROW = Bytes.toBytes("aaa");
071
072  private static final byte[] QUAL = Bytes.toBytes("col1");
073
074  private static final byte[] VALUE = Bytes.toBytes("1");
075
076  @BeforeClass
077  public static void setupBeforeClass() throws Exception {
078    util.getConfiguration().set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,
079        MyObserver.class.getName());
080    // Make general delay zero rather than default. Timing is off in this
081    // test that depends on an evironment edge that is manually moved forward.
082    util.getConfiguration().setInt(RemoteProcedureDispatcher.DISPATCH_DELAY_CONF_KEY, 0);
083    util.startMiniCluster();
084    EnvironmentEdgeManager.injectEdge(mee);
085  }
086
087  @AfterClass
088  public static void tearDownAfterClass() throws Exception {
089    util.shutdownMiniCluster();
090  }
091
092  public static class MyObserver implements RegionCoprocessor, RegionObserver {
093    private static TimeRange tr10 = null;
094    private static TimeRange tr2 = null;
095
096    @Override
097    public Optional<RegionObserver> getRegionObserver() {
098      return Optional.of(this);
099    }
100
101    @Override
102    public Result preAppend(final ObserverContext<RegionCoprocessorEnvironment> e,
103        final Append append) throws IOException {
104      NavigableMap<byte [], List<Cell>> map = append.getFamilyCellMap();
105      for (Map.Entry<byte [], List<Cell>> entry : map.entrySet()) {
106        for (Cell cell : entry.getValue()) {
107          String appendStr = Bytes.toString(cell.getValueArray(), cell.getValueOffset(),
108              cell.getValueLength());
109          if (appendStr.equals("b")) {
110            tr10 = append.getTimeRange();
111          } else if (appendStr.equals("c") && !append.getTimeRange().isAllTime()) {
112            tr2 = append.getTimeRange();
113          }
114        }
115      }
116      return null;
117    }
118  }
119
120  @Test
121  public void testHTableInterfaceMethods() throws Exception {
122    try (Table table = util.createTable(TableName.valueOf(name.getMethodName()), TEST_FAMILY)) {
123      table.put(new Put(ROW).addColumn(TEST_FAMILY, QUAL, VALUE));
124      long time = EnvironmentEdgeManager.currentTime();
125      mee.setValue(time);
126      table.put(new Put(ROW).addColumn(TEST_FAMILY, QUAL, Bytes.toBytes("a")));
127      checkRowValue(table, ROW, Bytes.toBytes("a"));
128
129      time = EnvironmentEdgeManager.currentTime();
130      mee.setValue(time);
131      TimeRange range10 = TimeRange.between(1, time + 10);
132      table.append(new Append(ROW).addColumn(TEST_FAMILY, QUAL, Bytes.toBytes("b"))
133        .setTimeRange(range10.getMin(), range10.getMax()));
134      checkRowValue(table, ROW, Bytes.toBytes("ab"));
135      assertEquals(MyObserver.tr10.getMin(), range10.getMin());
136      assertEquals(MyObserver.tr10.getMax(), range10.getMax());
137      time = EnvironmentEdgeManager.currentTime();
138      mee.setValue(time);
139      TimeRange range2 = TimeRange.between(1, time + 20);
140      List<Row> actions =
141          Arrays.asList(new Row[] {
142              new Append(ROW).addColumn(TEST_FAMILY, QUAL, Bytes.toBytes("c"))
143                  .setTimeRange(range2.getMin(), range2.getMax()),
144              new Append(ROW).addColumn(TEST_FAMILY, QUAL, Bytes.toBytes("c"))
145                  .setTimeRange(range2.getMin(), range2.getMax()) });
146      Object[] results1 = new Object[actions.size()];
147      table.batch(actions, results1);
148      assertEquals(MyObserver.tr2.getMin(), range2.getMin());
149      assertEquals(MyObserver.tr2.getMax(), range2.getMax());
150      for (Object r2 : results1) {
151        assertTrue(r2 instanceof Result);
152      }
153      checkRowValue(table, ROW, Bytes.toBytes("abcc"));
154    }
155  }
156
157  private void checkRowValue(Table table, byte[] row, byte[] expectedValue) throws IOException {
158    Get get = new Get(row).addColumn(TEST_FAMILY, QUAL);
159    Result result = table.get(get);
160    byte[] actualValue = result.getValue(TEST_FAMILY, QUAL);
161    assertArrayEquals(expectedValue, actualValue);
162  }
163}