| /* |
| * Copyright 2009-2010 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.data.std.accessors; |
| |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.data.std.api.IComparable; |
| import edu.uci.ics.hyracks.data.std.api.IPointable; |
| import edu.uci.ics.hyracks.data.std.api.IPointableFactory; |
| |
| public class PointableBinaryComparatorFactory implements IBinaryComparatorFactory { |
| private static final long serialVersionUID = 1L; |
| |
| private final IPointableFactory pf; |
| |
| public static PointableBinaryComparatorFactory of(IPointableFactory pf) { |
| return new PointableBinaryComparatorFactory(pf); |
| } |
| |
| public PointableBinaryComparatorFactory(IPointableFactory pf) { |
| this.pf = pf; |
| } |
| |
| @Override |
| public IBinaryComparator createBinaryComparator() { |
| final IPointable p = pf.createPointable(); |
| return new IBinaryComparator() { |
| @Override |
| public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) { |
| p.set(b1, s1, l1); |
| return ((IComparable) p).compareTo(b2, s2, l2); |
| } |
| }; |
| } |
| } |