| /* |
| * 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 com.google.errorprone.annotations.MustBeClosed; |
| import org.apache.druid.segment.column.ColumnCapabilities; |
| import org.apache.druid.segment.data.BitmapValues; |
| import org.apache.druid.segment.data.CloseableIndexed; |
| import org.joda.time.Interval; |
| |
| import javax.annotation.Nullable; |
| import java.util.List; |
| |
| /** |
| * An adapter to an index |
| */ |
| public interface IndexableAdapter |
| { |
| Interval getDataInterval(); |
| |
| int getNumRows(); |
| |
| List<String> getDimensionNames(); |
| |
| List<String> getMetricNames(); |
| |
| @MustBeClosed |
| @Nullable |
| <T extends Comparable<? super T>> CloseableIndexed<T> getDimValueLookup(String dimension); |
| |
| TransformableRowIterator getRows(); |
| |
| BitmapValues getBitmapValues(String dimension, int dictId); |
| |
| String getMetricType(String metric); |
| |
| ColumnCapabilities getCapabilities(String column); |
| |
| Metadata getMetadata(); |
| } |