| /* |
| * 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.druid.query.aggregation.firstlast.last; |
| |
| import org.apache.druid.jackson.DefaultObjectMapper; |
| import org.apache.druid.java.util.common.Pair; |
| import org.apache.druid.query.aggregation.AggregateCombiner; |
| import org.apache.druid.query.aggregation.Aggregator; |
| import org.apache.druid.query.aggregation.AggregatorFactory; |
| import org.apache.druid.query.aggregation.BufferAggregator; |
| import org.apache.druid.query.aggregation.SerializablePairLongDouble; |
| import org.apache.druid.query.aggregation.TestDoubleColumnSelectorImpl; |
| import org.apache.druid.query.aggregation.TestLongColumnSelector; |
| import org.apache.druid.query.aggregation.TestObjectColumnSelector; |
| import org.apache.druid.segment.ColumnSelectorFactory; |
| import org.apache.druid.segment.column.ColumnCapabilitiesImpl; |
| import org.apache.druid.segment.column.ColumnHolder; |
| import org.apache.druid.segment.column.ColumnType; |
| import org.apache.druid.testing.InitializedNullHandlingTest; |
| import org.easymock.EasyMock; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Comparator; |
| |
| public class DoubleLastAggregationTest extends InitializedNullHandlingTest |
| { |
| private DoubleLastAggregatorFactory doubleLastAggFactory; |
| private DoubleLastAggregatorFactory combiningAggFactory; |
| private ColumnSelectorFactory colSelectorFactory; |
| private TestLongColumnSelector timeSelector; |
| private TestLongColumnSelector customTimeSelector; |
| private TestDoubleColumnSelectorImpl valueSelector; |
| private TestObjectColumnSelector objectSelector; |
| |
| private double[] doubles = {1.1897d, 0.001d, 86.23d, 166.228d}; |
| private long[] times = {8224, 6879, 2436, 7888}; |
| private long[] customTimes = {1, 4, 3, 2}; |
| private SerializablePairLongDouble[] pairs = { |
| new SerializablePairLongDouble(52782L, 134.3d), |
| new SerializablePairLongDouble(65492L, 1232.212d), |
| new SerializablePairLongDouble(69134L, 18.1233d), |
| new SerializablePairLongDouble(11111L, 233.5232d) |
| }; |
| |
| @Before |
| public void setup() |
| { |
| doubleLastAggFactory = new DoubleLastAggregatorFactory("billy", "nilly", null); |
| combiningAggFactory = (DoubleLastAggregatorFactory) doubleLastAggFactory.getCombiningFactory(); |
| timeSelector = new TestLongColumnSelector(times); |
| customTimeSelector = new TestLongColumnSelector(customTimes); |
| valueSelector = new TestDoubleColumnSelectorImpl(doubles); |
| objectSelector = new TestObjectColumnSelector<>(pairs); |
| colSelectorFactory = EasyMock.createMock(ColumnSelectorFactory.class); |
| EasyMock.expect(colSelectorFactory.makeColumnValueSelector(ColumnHolder.TIME_COLUMN_NAME)).andReturn(timeSelector); |
| EasyMock.expect(colSelectorFactory.makeColumnValueSelector("customTime")).andReturn(customTimeSelector); |
| EasyMock.expect(colSelectorFactory.makeColumnValueSelector("nilly")).andReturn(valueSelector); |
| EasyMock.expect(colSelectorFactory.makeColumnValueSelector("billy")).andReturn(objectSelector); |
| EasyMock.expect(colSelectorFactory.getColumnCapabilities("nilly")) |
| .andReturn(new ColumnCapabilitiesImpl().setType(ColumnType.DOUBLE)); |
| EasyMock.expect(colSelectorFactory.getColumnCapabilities("billy")).andReturn(null); |
| EasyMock.replay(colSelectorFactory); |
| } |
| |
| @Test |
| public void testDoubleLastAggregator() |
| { |
| Aggregator agg = doubleLastAggFactory.factorize(colSelectorFactory); |
| |
| aggregate(agg); |
| aggregate(agg); |
| aggregate(agg); |
| aggregate(agg); |
| |
| Pair<Long, Double> result = (Pair<Long, Double>) agg.get(); |
| |
| Assert.assertEquals(times[0], result.lhs.longValue()); |
| Assert.assertEquals(doubles[0], result.rhs, 0.0001); |
| Assert.assertEquals((long) doubles[0], agg.getLong()); |
| Assert.assertEquals(doubles[0], agg.getDouble(), 0.0001); |
| } |
| |
| @Test |
| public void testDoubleLastAggregatorWithTimeColumn() |
| { |
| Aggregator agg = new DoubleLastAggregatorFactory("billy", "nilly", "customTime").factorize(colSelectorFactory); |
| |
| aggregate(agg); |
| aggregate(agg); |
| aggregate(agg); |
| aggregate(agg); |
| |
| Pair<Long, Double> result = (Pair<Long, Double>) agg.get(); |
| |
| Assert.assertEquals(customTimes[1], result.lhs.longValue()); |
| Assert.assertEquals(doubles[1], result.rhs, 0.0001); |
| Assert.assertEquals((long) doubles[1], agg.getLong()); |
| Assert.assertEquals(doubles[1], agg.getDouble(), 0.0001); |
| } |
| |
| @Test |
| public void testDoubleLastBufferAggregator() |
| { |
| BufferAggregator agg = doubleLastAggFactory.factorizeBuffered( |
| colSelectorFactory); |
| |
| ByteBuffer buffer = ByteBuffer.wrap(new byte[doubleLastAggFactory.getMaxIntermediateSizeWithNulls()]); |
| agg.init(buffer, 0); |
| |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| |
| Pair<Long, Double> result = (Pair<Long, Double>) agg.get(buffer, 0); |
| |
| Assert.assertEquals(times[0], result.lhs.longValue()); |
| Assert.assertEquals(doubles[0], result.rhs, 0.0001); |
| Assert.assertEquals((long) doubles[0], agg.getLong(buffer, 0)); |
| Assert.assertEquals(doubles[0], agg.getDouble(buffer, 0), 0.0001); |
| } |
| |
| @Test |
| public void testDoubleLastBufferAggregatorWithTimeColumn() |
| { |
| BufferAggregator agg = new DoubleLastAggregatorFactory("billy", "nilly", "customTime").factorizeBuffered( |
| colSelectorFactory); |
| |
| ByteBuffer buffer = ByteBuffer.wrap(new byte[doubleLastAggFactory.getMaxIntermediateSizeWithNulls()]); |
| agg.init(buffer, 0); |
| |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| |
| Pair<Long, Double> result = (Pair<Long, Double>) agg.get(buffer, 0); |
| |
| Assert.assertEquals(customTimes[1], result.lhs.longValue()); |
| Assert.assertEquals(doubles[1], result.rhs, 0.0001); |
| Assert.assertEquals((long) doubles[1], agg.getLong(buffer, 0)); |
| Assert.assertEquals(doubles[1], agg.getDouble(buffer, 0), 0.0001); |
| } |
| |
| @Test |
| public void testCombine() |
| { |
| SerializablePairLongDouble pair1 = new SerializablePairLongDouble(1467225000L, 3.621); |
| SerializablePairLongDouble pair2 = new SerializablePairLongDouble(1467240000L, 785.4); |
| Assert.assertEquals(pair2, doubleLastAggFactory.combine(pair1, pair2)); |
| } |
| |
| @Test |
| public void testComparatorWithNulls() |
| { |
| SerializablePairLongDouble pair1 = new SerializablePairLongDouble(1467225000L, 3.621); |
| SerializablePairLongDouble pair2 = new SerializablePairLongDouble(1467240000L, null); |
| Comparator comparator = doubleLastAggFactory.getComparator(); |
| Assert.assertEquals(1, comparator.compare(pair1, pair2)); |
| Assert.assertEquals(0, comparator.compare(pair1, pair1)); |
| Assert.assertEquals(0, comparator.compare(pair2, pair2)); |
| Assert.assertEquals(-1, comparator.compare(pair2, pair1)); |
| } |
| |
| @Test |
| public void testDoubleLastCombiningAggregator() |
| { |
| Aggregator agg = combiningAggFactory.factorize(colSelectorFactory); |
| |
| aggregate(agg); |
| aggregate(agg); |
| aggregate(agg); |
| aggregate(agg); |
| |
| Pair<Long, Double> result = (Pair<Long, Double>) agg.get(); |
| Pair<Long, Double> expected = (Pair<Long, Double>) pairs[2]; |
| |
| Assert.assertEquals(expected.lhs, result.lhs); |
| Assert.assertEquals(expected.rhs, result.rhs, 0.0001); |
| Assert.assertEquals(expected.rhs.longValue(), agg.getLong()); |
| Assert.assertEquals(expected.rhs, agg.getDouble(), 0.0001); |
| } |
| |
| @Test |
| public void testDoubleLastCombiningBufferAggregator() |
| { |
| BufferAggregator agg = combiningAggFactory.factorizeBuffered( |
| colSelectorFactory); |
| |
| ByteBuffer buffer = ByteBuffer.wrap(new byte[doubleLastAggFactory.getMaxIntermediateSizeWithNulls()]); |
| agg.init(buffer, 0); |
| |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| aggregate(agg, buffer, 0); |
| |
| Pair<Long, Double> result = (Pair<Long, Double>) agg.get(buffer, 0); |
| Pair<Long, Double> expected = (Pair<Long, Double>) pairs[2]; |
| |
| Assert.assertEquals(expected.lhs, result.lhs); |
| Assert.assertEquals(expected.rhs, result.rhs, 0.0001); |
| Assert.assertEquals(expected.rhs.longValue(), agg.getLong(buffer, 0)); |
| Assert.assertEquals(expected.rhs, agg.getDouble(buffer, 0), 0.0001); |
| } |
| |
| |
| @Test |
| public void testSerde() throws Exception |
| { |
| DefaultObjectMapper mapper = new DefaultObjectMapper(); |
| String doubleSpecJson = "{\"type\":\"doubleLast\",\"name\":\"billy\",\"fieldName\":\"nilly\"}"; |
| AggregatorFactory deserialized = mapper.readValue(doubleSpecJson, AggregatorFactory.class); |
| Assert.assertEquals(doubleLastAggFactory, deserialized); |
| Assert.assertArrayEquals(doubleLastAggFactory.getCacheKey(), deserialized.getCacheKey()); |
| } |
| |
| @Test |
| public void testDoubleLastAggregateCombiner() |
| { |
| TestObjectColumnSelector columnSelector = new TestObjectColumnSelector<>(pairs); |
| AggregateCombiner doubleLastAggregateCombiner = combiningAggFactory.makeAggregateCombiner(); |
| doubleLastAggregateCombiner.reset(columnSelector); |
| |
| Assert.assertEquals(pairs[0], doubleLastAggregateCombiner.getObject()); |
| |
| columnSelector.increment(); |
| doubleLastAggregateCombiner.fold(columnSelector); |
| Assert.assertEquals(pairs[1], doubleLastAggregateCombiner.getObject()); |
| |
| columnSelector.increment(); |
| doubleLastAggregateCombiner.fold(columnSelector); |
| Assert.assertEquals(pairs[2], doubleLastAggregateCombiner.getObject()); |
| |
| columnSelector.increment(); |
| doubleLastAggregateCombiner.fold(columnSelector); |
| Assert.assertEquals(pairs[2], doubleLastAggregateCombiner.getObject()); |
| |
| doubleLastAggregateCombiner.reset(columnSelector); |
| Assert.assertEquals(pairs[3], doubleLastAggregateCombiner.getObject()); |
| } |
| |
| |
| private void aggregate( |
| Aggregator agg |
| ) |
| { |
| agg.aggregate(); |
| timeSelector.increment(); |
| customTimeSelector.increment(); |
| valueSelector.increment(); |
| objectSelector.increment(); |
| } |
| |
| private void aggregate( |
| BufferAggregator agg, |
| ByteBuffer buff, |
| int position |
| ) |
| { |
| agg.aggregate(buff, position); |
| timeSelector.increment(); |
| customTimeSelector.increment(); |
| valueSelector.increment(); |
| objectSelector.increment(); |
| } |
| } |