| /* |
| * 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.segment; |
| |
| import org.apache.druid.collections.bitmap.BitmapFactory; |
| import org.apache.druid.collections.bitmap.MutableBitmap; |
| import org.apache.druid.common.config.NullHandling; |
| import org.apache.druid.java.util.common.guava.Comparators; |
| import org.apache.druid.query.dimension.DimensionSpec; |
| import org.apache.druid.query.monomorphicprocessing.RuntimeShapeInspector; |
| import org.apache.druid.segment.column.ColumnCapabilities; |
| import org.apache.druid.segment.column.ColumnCapabilitiesImpl; |
| import org.apache.druid.segment.column.ColumnType; |
| import org.apache.druid.segment.data.CloseableIndexed; |
| import org.apache.druid.segment.incremental.IncrementalIndex; |
| import org.apache.druid.segment.incremental.IncrementalIndexRowHolder; |
| |
| import javax.annotation.Nullable; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Objects; |
| |
| public class DoubleDimensionIndexer implements DimensionIndexer<Double, Double, Double> |
| { |
| public static final Comparator<Double> DOUBLE_COMPARATOR = Comparators.naturalNullsFirst(); |
| |
| private volatile boolean hasNulls = false; |
| |
| @Override |
| public EncodedKeyComponent<Double> processRowValsToUnsortedEncodedKeyComponent(@Nullable Object dimValues, boolean reportParseExceptions) |
| { |
| if (dimValues instanceof List) { |
| throw new UnsupportedOperationException("Numeric columns do not support multivalue rows."); |
| } |
| |
| Double d = DimensionHandlerUtils.convertObjectToDouble(dimValues, reportParseExceptions); |
| if (d == null) { |
| hasNulls = NullHandling.sqlCompatible(); |
| } |
| return new EncodedKeyComponent<>(d, Double.BYTES); |
| } |
| |
| @Override |
| public void setSparseIndexed() |
| { |
| hasNulls = NullHandling.sqlCompatible(); |
| } |
| |
| @Override |
| public Double getUnsortedEncodedValueFromSorted(Double sortedIntermediateValue) |
| { |
| return sortedIntermediateValue; |
| } |
| |
| @Override |
| public CloseableIndexed<Double> getSortedIndexedValues() |
| { |
| throw new UnsupportedOperationException("Numeric columns do not support value dictionaries."); |
| } |
| |
| @Override |
| public Double getMinValue() |
| { |
| return Double.NEGATIVE_INFINITY; |
| } |
| |
| @Override |
| public Double getMaxValue() |
| { |
| return Double.POSITIVE_INFINITY; |
| } |
| |
| @Override |
| public int getCardinality() |
| { |
| return DimensionDictionarySelector.CARDINALITY_UNKNOWN; |
| } |
| |
| @Override |
| public ColumnCapabilities getColumnCapabilities() |
| { |
| ColumnCapabilitiesImpl builder = ColumnCapabilitiesImpl.createSimpleNumericColumnCapabilities(ColumnType.DOUBLE); |
| if (hasNulls) { |
| builder.setHasNulls(hasNulls); |
| } |
| return builder; |
| } |
| |
| @Override |
| public DimensionSelector makeDimensionSelector( |
| DimensionSpec spec, |
| IncrementalIndexRowHolder currEntry, |
| IncrementalIndex.DimensionDesc desc |
| ) |
| { |
| return new DoubleWrappingDimensionSelector(makeColumnValueSelector(currEntry, desc), spec.getExtractionFn()); |
| } |
| |
| @Override |
| public ColumnValueSelector<?> makeColumnValueSelector( |
| IncrementalIndexRowHolder currEntry, |
| IncrementalIndex.DimensionDesc desc |
| ) |
| { |
| final int dimIndex = desc.getIndex(); |
| class IndexerDoubleColumnSelector implements DoubleColumnSelector |
| { |
| |
| @Override |
| public boolean isNull() |
| { |
| final Object[] dims = currEntry.get().getDims(); |
| return hasNulls && (dimIndex >= dims.length || dims[dimIndex] == null); |
| } |
| |
| @Override |
| public double getDouble() |
| { |
| final Object[] dims = currEntry.get().getDims(); |
| |
| if (dimIndex >= dims.length || dims[dimIndex] == null) { |
| assert NullHandling.replaceWithDefault(); |
| return 0.0; |
| } |
| return (Double) dims[dimIndex]; |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Nullable |
| @Override |
| public Double getObject() |
| { |
| final Object[] dims = currEntry.get().getDims(); |
| |
| if (dimIndex >= dims.length || dims[dimIndex] == null) { |
| return NullHandling.defaultDoubleValue(); |
| } |
| return (Double) dims[dimIndex]; |
| } |
| |
| @Override |
| public void inspectRuntimeShape(RuntimeShapeInspector inspector) |
| { |
| // nothing to inspect |
| } |
| } |
| |
| return new IndexerDoubleColumnSelector(); |
| } |
| |
| @Override |
| public int compareUnsortedEncodedKeyComponents(@Nullable Double lhs, @Nullable Double rhs) |
| { |
| return DOUBLE_COMPARATOR.compare(lhs, rhs); |
| } |
| |
| @Override |
| public boolean checkUnsortedEncodedKeyComponentsEqual(@Nullable Double lhs, @Nullable Double rhs) |
| { |
| return Objects.equals(lhs, rhs); |
| } |
| |
| @Override |
| public int getUnsortedEncodedKeyComponentHashCode(@Nullable Double key) |
| { |
| return DimensionHandlerUtils.nullToZero(key).hashCode(); |
| } |
| |
| @Override |
| public Object convertUnsortedEncodedKeyComponentToActualList(Double key) |
| { |
| return key; |
| } |
| |
| @Override |
| public ColumnValueSelector convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues) |
| { |
| return selectorWithUnsortedValues; |
| } |
| |
| @Override |
| public void fillBitmapsFromUnsortedEncodedKeyComponent( |
| Double key, |
| int rowNum, |
| MutableBitmap[] bitmapIndexes, |
| BitmapFactory factory |
| ) |
| { |
| throw new UnsupportedOperationException("Numeric columns do not support bitmaps."); |
| } |
| } |