| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hivesterix.runtime.provider;
|
|
|
| import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
|
|
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveByteBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveByteBinaryDescComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveDoubleBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveDoubleBinaryDescComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveFloatBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveFloatBinaryDescComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveIntegerBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveIntegerBinaryDescComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveLongBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveLongBinaryDescComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveShortBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveShortBinaryDescComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveStringBinaryAscComparatorFactory;
|
| import edu.uci.ics.hivesterix.runtime.factory.comparator.HiveStringBinaryDescComparatorFactory;
|
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
|
| import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
|
| import edu.uci.ics.hyracks.algebricks.data.IBinaryComparatorFactoryProvider;
|
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
|
|
|
| public class HiveBinaryComparatorFactoryProvider implements IBinaryComparatorFactoryProvider {
|
|
|
| public static final HiveBinaryComparatorFactoryProvider INSTANCE = new HiveBinaryComparatorFactoryProvider();
|
|
|
| private HiveBinaryComparatorFactoryProvider() {
|
| }
|
|
|
| @Override
|
| public IBinaryComparatorFactory getBinaryComparatorFactory(Object type, boolean ascending)
|
| throws AlgebricksException {
|
| if (type.equals(TypeInfoFactory.intTypeInfo)) {
|
| if (ascending)
|
| return HiveIntegerBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveIntegerBinaryDescComparatorFactory.INSTANCE;
|
|
|
| } else if (type.equals(TypeInfoFactory.longTypeInfo)) {
|
| if (ascending)
|
| return HiveLongBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveLongBinaryDescComparatorFactory.INSTANCE;
|
|
|
| } else if (type.equals(TypeInfoFactory.floatTypeInfo)) {
|
| if (ascending)
|
| return HiveFloatBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveFloatBinaryDescComparatorFactory.INSTANCE;
|
|
|
| } else if (type.equals(TypeInfoFactory.doubleTypeInfo)) {
|
| if (ascending)
|
| return HiveDoubleBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveDoubleBinaryDescComparatorFactory.INSTANCE;
|
| } else if (type.equals(TypeInfoFactory.shortTypeInfo)) {
|
| if (ascending)
|
| return HiveShortBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveShortBinaryDescComparatorFactory.INSTANCE;
|
| } else if (type.equals(TypeInfoFactory.stringTypeInfo)) {
|
| if (ascending)
|
| return HiveStringBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveStringBinaryDescComparatorFactory.INSTANCE;
|
| } else if (type.equals(TypeInfoFactory.byteTypeInfo) || type.equals(TypeInfoFactory.booleanTypeInfo)) {
|
| if (ascending)
|
| return HiveByteBinaryAscComparatorFactory.INSTANCE;
|
| else
|
| return HiveByteBinaryDescComparatorFactory.INSTANCE;
|
| } else
|
| throw new NotImplementedException();
|
| }
|
| }
|