| /* |
| * 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.asterix.dataflow.data.nontagged.comparators; |
| |
| import org.apache.hyracks.api.dataflow.value.IBinaryComparator; |
| import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.api.io.IJsonSerializable; |
| import org.apache.hyracks.api.io.IPersistedResourceRegistry; |
| import org.apache.hyracks.data.std.primitive.LongPointable; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| |
| public class AUUIDPartialBinaryComparatorFactory implements IBinaryComparatorFactory { |
| |
| private static final long serialVersionUID = 1L; |
| public static final AUUIDPartialBinaryComparatorFactory INSTANCE = new AUUIDPartialBinaryComparatorFactory(); |
| |
| @Override |
| public IBinaryComparator createBinaryComparator() { |
| return AUUIDPartialBinaryComparatorFactory::compare; |
| } |
| |
| @SuppressWarnings("squid:S1172") // unused parameter |
| public static int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) { |
| int msbCompare = Long.compare(LongPointable.getLong(b1, s1), LongPointable.getLong(b2, s2)); |
| if (msbCompare == 0) { |
| return Long.compare(LongPointable.getLong(b1, s1 + 8), LongPointable.getLong(b2, s2 + 8)); |
| } else { |
| return msbCompare; |
| } |
| } |
| |
| @Override |
| public JsonNode toJson(IPersistedResourceRegistry registry) throws HyracksDataException { |
| return registry.getClassIdentifier(getClass(), serialVersionUID); |
| } |
| |
| @SuppressWarnings("squid:S1172") // unused parameter |
| public static IJsonSerializable fromJson(IPersistedResourceRegistry registry, JsonNode json) { |
| return INSTANCE; |
| } |
| } |