| /* |
| * 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.hyracks.dataflow.std.join; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory; |
| |
| public class JoinComparatorFactory implements ITuplePairComparatorFactory { |
| private static final long serialVersionUID = 1L; |
| |
| private final IBinaryComparatorFactory bFactory; |
| private final int pos0; |
| private final int pos1; |
| |
| public JoinComparatorFactory(IBinaryComparatorFactory bFactory, int pos0, int pos1) { |
| this.bFactory = bFactory; |
| this.pos0 = pos0; |
| this.pos1 = pos1; |
| } |
| |
| @Override |
| public ITuplePairComparator createTuplePairComparator(IHyracksTaskContext ctx) { |
| return new JoinComparator(bFactory.createBinaryComparator(), pos0, pos1); |
| } |
| |
| } |