| /* |
| * 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.groupby.epinephelinae.column; |
| |
| import org.apache.druid.java.util.common.ISE; |
| import org.apache.druid.segment.ColumnValueSelector; |
| import org.apache.druid.segment.column.ColumnType; |
| import org.apache.druid.segment.column.ValueType; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class ArrayLongGroupByColumnSelectorStrategy extends ArrayNumericGroupByColumnSelectorStrategy |
| { |
| public ArrayLongGroupByColumnSelectorStrategy() |
| { |
| super(Long.BYTES, ColumnType.LONG_ARRAY); |
| } |
| |
| @Override |
| protected int computeDictionaryId(ColumnValueSelector selector) |
| { |
| Object object = selector.getObject(); |
| if (object == null) { |
| return GROUP_BY_MISSING_VALUE; |
| } else if (object instanceof Long) { |
| return addToIndexedDictionary(new Object[]{object}); |
| } else if (object instanceof List) { |
| return addToIndexedDictionary(((List) object).toArray()); |
| } else if (object instanceof Long[]) { |
| // Defensive check, since we don't usually expect to encounter Long[] objects from selectors |
| return addToIndexedDictionary(Arrays.stream((Long[]) object).toArray()); |
| } else if (object instanceof Object[]) { |
| return addToIndexedDictionary((Object[]) object); |
| } else { |
| throw new ISE("Found unexpected object type [%s] in %s array.", object.getClass().getName(), ValueType.LONG); |
| } |
| } |
| } |