content: /*
   * 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.asterix.om.types.ATypeTag;
  import org.apache.asterix.om.types.EnumDeserializer;
  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.accessors.BooleanBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.ByteArrayBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.DoubleBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.FloatBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.IntegerBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.LongBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.RawBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.UTF8StringBinaryComparatorFactory;
  import org.apache.hyracks.data.std.accessors.UTF8StringLowercaseBinaryComparatorFactory;
  
  import com.fasterxml.jackson.databind.JsonNode;
  
  public class ListItemBinaryComparatorFactory implements IBinaryComparatorFactory {
  
      private static final long serialVersionUID = 1L;
  
      public static final ListItemBinaryComparatorFactory INSTANCE = new ListItemBinaryComparatorFactory();
  
      private ListItemBinaryComparatorFactory() {
      }
  
      @Override
      public IBinaryComparator createBinaryComparator() {
          return createBinaryComparator(ATypeTag.MISSING, ATypeTag.MISSING, false);
      }
  
      public IBinaryComparator createBinaryComparator(final ATypeTag firstItemTypeTag, final ATypeTag secondItemTypeTag,
              final boolean ignoreCase) {
          return new IBinaryComparator() {
              final IBinaryComparator ascBoolComp = BooleanBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascIntComp = IntegerBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascLongComp = LongBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascStrComp = UTF8StringBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascLowerCaseStrComp =
                      UTF8StringLowercaseBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascFloatComp = FloatBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascDoubleComp = DoubleBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascRectangleComp =
                      ARectanglePartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascCircleComp =
                      ACirclePartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascDurationComp =
                      ADurationPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascIntervalComp =
                      AIntervalAscPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascLineComp = ALinePartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascPointComp =
                      APointPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascPoint3DComp =
                      APoint3DPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascPolygonComp =
                      APolygonPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascGeometryComp =
                      AGeometryPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascUUIDComp = AUUIDPartialBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator ascByteArrayComp =
                      ByteArrayBinaryComparatorFactory.INSTANCE.createBinaryComparator();
              final IBinaryComparator rawComp = RawBinaryComparatorFactory.INSTANCE.createBinaryComparator();
  
              @Override
              public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) throws HyracksDataException {
                  //  A list item cannot be MISSING.
                  if (b1[s1] == ATypeTag.SERIALIZED_NULL_TYPE_TAG) {
                      if (b2[s2] == ATypeTag.SERIALIZED_NULL_TYPE_TAG) {
                          return 0;
                      } else {
                          return -1;
                      }
                  } else {
                      if (b2[s2] == ATypeTag.SERIALIZED_NULL_TYPE_TAG) {
                          return 1;
                      }
                  }
  
                  ATypeTag tag1 = firstItemTypeTag;
                  int skip1 = 0;
                  if (firstItemTypeTag == ATypeTag.ANY) {
                      tag1 = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b1[s1]);
                      skip1 = 1;
                  }
  
                  ATypeTag tag2 = secondItemTypeTag;
                  int skip2 = 0;
                  if (secondItemTypeTag == ATypeTag.ANY) {
                      tag2 = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b2[s2]);
                      skip2 = 1;
                  }
  
                  if (tag1 != tag2) {
                      return rawComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                  }
  
                  switch (tag1) {
                      case UUID: {
                          return ascUUIDComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case BOOLEAN: {
                          return ascBoolComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case TIME:
                      case DATE:
                      case YEARMONTHDURATION:
                      case INTEGER: {
                          return ascIntComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case DATETIME:
                      case DAYTIMEDURATION:
                      case BIGINT: {
                          return ascLongComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case FLOAT: {
                          return ascFloatComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case DOUBLE: {
                          return ascDoubleComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case STRING: {
                          if (ignoreCase) {
                              return ascLowerCaseStrComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                          } else {
                              return ascStrComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                          }
                      }
                      case RECTANGLE: {
                          return ascRectangleComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case CIRCLE: {
                          return ascCircleComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case POINT: {
                          return ascPointComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case POINT3D: {
                          return ascPoint3DComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case LINE: {
                          return ascLineComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case POLYGON: {
                          return ascPolygonComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case GEOMETRY: {
                          return ascGeometryComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case DURATION: {
                          return ascDurationComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case INTERVAL: {
                          return ascIntervalComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      case BINARY: {
                          return ascByteArrayComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                      default: {
                          return rawComp.compare(b1, s1 + skip1, l1 - skip1, b2, s2 + skip2, l2 - skip2);
                      }
                  }
              }
          };
      }
  
      @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;
      }
  }
  