| /* |
| * 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.dimension; |
| |
| import com.google.common.base.Predicate; |
| import it.unimi.dsi.fastutil.ints.Int2ObjectMap; |
| import it.unimi.dsi.fastutil.objects.Object2IntMap; |
| import org.apache.druid.query.filter.ValueMatcher; |
| import org.apache.druid.query.monomorphicprocessing.RuntimeShapeInspector; |
| import org.apache.druid.segment.AbstractDimensionSelector; |
| import org.apache.druid.segment.DimensionDictionarySelector; |
| import org.apache.druid.segment.DimensionSelectorUtils; |
| import org.apache.druid.segment.IdLookup; |
| import org.apache.druid.segment.data.ArrayBasedIndexedInts; |
| import org.apache.druid.segment.data.IndexedInts; |
| |
| import javax.annotation.Nullable; |
| import java.util.List; |
| import java.util.function.Supplier; |
| |
| public class StringDimensionSelectorForTest extends AbstractDimensionSelector |
| { |
| private final Supplier<List<String>> rowSupplier; |
| private final boolean unknownCardinality; |
| private final boolean validIdLookup; |
| private final boolean nameLookupPossibleInAdvance; |
| private final Object2IntMap<String> dictionary; |
| private final Int2ObjectMap<String> reverseDictionary; |
| |
| private final ArrayBasedIndexedInts currentRow = new ArrayBasedIndexedInts(); |
| |
| public StringDimensionSelectorForTest( |
| Supplier<List<String>> rowSupplier, |
| Object2IntMap<String> dictionary, |
| Int2ObjectMap<String> reverseDictionary, |
| boolean unknownCardinality, |
| boolean validIdLookup, |
| boolean nameLookupPossibleInAdvance |
| ) |
| { |
| this.rowSupplier = rowSupplier; |
| this.unknownCardinality = unknownCardinality; |
| this.validIdLookup = validIdLookup; |
| this.nameLookupPossibleInAdvance = nameLookupPossibleInAdvance; |
| this.dictionary = dictionary; |
| this.reverseDictionary = reverseDictionary; |
| } |
| |
| @Override |
| public int getValueCardinality() |
| { |
| return unknownCardinality ? DimensionDictionarySelector.CARDINALITY_UNKNOWN : dictionary.size(); |
| } |
| |
| @Nullable |
| @Override |
| public String lookupName(int id) |
| { |
| return reverseDictionary.get(id); |
| } |
| |
| @Override |
| public boolean nameLookupPossibleInAdvance() |
| { |
| return nameLookupPossibleInAdvance; |
| } |
| |
| @Nullable |
| @Override |
| public IdLookup idLookup() |
| { |
| return validIdLookup ? dictionary::getInt : null; |
| } |
| |
| @Override |
| public IndexedInts getRow() |
| { |
| List<String> multiValues = rowSupplier.get(); |
| currentRow.ensureSize(multiValues.size()); |
| for (int i = 0; i < multiValues.size(); i++) { |
| currentRow.setValue(i, dictionary.getInt(multiValues.get(i))); |
| } |
| currentRow.setSize(multiValues.size()); |
| return currentRow; |
| } |
| |
| @Override |
| public ValueMatcher makeValueMatcher(@Nullable String value) |
| { |
| return DimensionSelectorUtils.makeValueMatcherGeneric(this, value); |
| } |
| |
| @Override |
| public ValueMatcher makeValueMatcher(Predicate<String> predicate) |
| { |
| return DimensionSelectorUtils.makeValueMatcherGeneric(this, predicate); |
| } |
| |
| @Override |
| public void inspectRuntimeShape(RuntimeShapeInspector inspector) |
| { |
| } |
| |
| @Override |
| public Class<?> classOfObject() |
| { |
| return Object.class; |
| } |
| } |