01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.compass.gps.device.support.parallel;
18:
19: import org.compass.gps.CompassGpsException;
20:
21: /**
22: * Partition a list of {@link org.compass.gps.device.support.parallel.IndexEntity} into a
23: * several groups of list of {@link org.compass.gps.device.support.parallel.IndexEntity} that
24: * can be indexed in parallel.
25: *
26: * @author kimchy
27: */
28: public interface IndexEntitiesPartitioner {
29:
30: /**
31: * Partitions a list of index entities into several groups of lists of index entities
32: * that can be indexed in parallel.
33: *
34: * @param entities The index entities to partition
35: * @return Groups of list of entities that can be indexed in
36: * @throws CompassGpsException
37: */
38: IndexEntity[][] partition(IndexEntity[] entities)
39: throws CompassGpsException;
40: }
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