| /* |
| * 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.index.semantic; |
| |
| import org.apache.druid.collections.bitmap.ImmutableBitmap; |
| import org.apache.druid.segment.column.TypeSignature; |
| import org.apache.druid.segment.column.ValueType; |
| import org.apache.druid.segment.index.BitmapColumnIndex; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Construct a {@link BitmapColumnIndex} for any array element which might be present in an array contained in the |
| * column. |
| */ |
| public interface ArrayElementIndexes |
| { |
| /** |
| * Get the {@link ImmutableBitmap} corresponding to rows with array elements matching the supplied value. Generates |
| * an empty bitmap when passed a value that doesn't exist in any array. May return null if a value index cannot be |
| * computed for the supplied value type. |
| * |
| * @param value value to match against any array element in a row |
| * @param valueType type of the value to match, used to assist conversion from the match value type to the column |
| * value type |
| * @return {@link ImmutableBitmap} corresponding to the rows with array elements which match the value, or |
| * null if an index connot be computed for the supplied value type |
| */ |
| @Nullable |
| BitmapColumnIndex containsValue(@Nullable Object value, TypeSignature<ValueType> valueType); |
| } |