| /* |
| * 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.collections; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Sets; |
| import org.apache.druid.collections.bitmap.ImmutableBitmap; |
| import org.apache.druid.collections.bitmap.MutableBitmap; |
| import org.roaringbitmap.IntIterator; |
| |
| import java.util.BitSet; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| /** |
| * |
| */ |
| public class IntSetTestUtility |
| { |
| |
| private static Set<Integer> setBits = Sets.newTreeSet(Lists.newArrayList(1, 2, 3, 5, 8, 13, 21)); |
| |
| public static Set<Integer> getSetBits() |
| { |
| return Sets.newTreeSet(setBits); |
| } |
| |
| public static BitSet createSimpleBitSet(Set<Integer> setBits) |
| { |
| BitSet retval = new BitSet(); |
| for (int i : setBits) { |
| retval.set(i); |
| } |
| return retval; |
| } |
| |
| public static void addAllToMutable(MutableBitmap mutableBitmap, Iterable<Integer> intSet) |
| { |
| for (Integer integer : intSet) { |
| mutableBitmap.add(integer); |
| } |
| } |
| |
| public static Boolean equalSets(Set<Integer> s1, ImmutableBitmap s2) |
| { |
| Set<Integer> s3 = new HashSet<>(); |
| for (Integer i : new IntIt(s2.iterator())) { |
| s3.add(i); |
| } |
| return Sets.difference(s1, s3).isEmpty(); |
| } |
| |
| private static class IntIt implements Iterable<Integer> |
| { |
| private final Iterator<Integer> intIter; |
| |
| public IntIt(IntIterator intIt) |
| { |
| this.intIter = new IntIter(intIt); |
| } |
| |
| @Override |
| public Iterator<Integer> iterator() |
| { |
| return intIter; |
| } |
| |
| private static class IntIter implements Iterator<Integer> |
| { |
| private final IntIterator intIt; |
| |
| public IntIter(IntIterator intIt) |
| { |
| this.intIt = intIt; |
| } |
| |
| @Override |
| public boolean hasNext() |
| { |
| return intIt.hasNext(); |
| } |
| |
| @Override |
| public Integer next() |
| { |
| return intIt.next(); |
| } |
| |
| @Override |
| public void remove() |
| { |
| throw new UnsupportedOperationException("Cannot remove ints from int iterator"); |
| } |
| } |
| } |
| } |