01: package it.unimi.dsi.mg4j.index.cluster;
02:
03: /*
04: * MG4J: Managing Gigabytes for Java
05: *
06: * Copyright (C) 2006-2007 Sebastiano Vigna
07: *
08: * This library is free software; you can redistribute it and/or modify it
09: * under the terms of the GNU Lesser General Public License as published by the Free
10: * Software Foundation; either version 2.1 of the License, or (at your option)
11: * any later version.
12: *
13: * This library is distributed in the hope that it will be useful, but
14: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
16: * for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License
19: * along with this program; if not, write to the Free Software
20: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21: *
22: */
23:
24: import it.unimi.dsi.fastutil.ints.IntList;
25: import it.unimi.dsi.mg4j.index.Index;
26: import it.unimi.dsi.mg4j.index.TermProcessor;
27: import it.unimi.dsi.mg4j.index.payload.Payload;
28: import it.unimi.dsi.util.Properties;
29:
30: /** A {@link it.unimi.dsi.mg4j.index.cluster.DocumentalCluster} that concatenates the
31: * postings of its local indices.
32: *
33: * <p>This class assumes that the global document pointers returned by each index will be increasing.
34: * Using this assumption, no merge is performed; simply, when an index iterator is exhausted we look
35: * into the next one.
36: *
37: * @author Alessandro Arrabito
38: * @author Sebastiano Vigna
39: */
40:
41: public class DocumentalConcatenatedCluster extends DocumentalCluster {
42: private static final long serialVersionUID = 1L;
43:
44: public DocumentalConcatenatedCluster(final Index[] localIndex,
45: final DocumentalClusteringStrategy strategy,
46: final boolean flat,
47: final it.unimi.dsi.util.BloomFilter[] termFilter,
48: final int numberOfDocuments, final int numberOfTerms,
49: final long numberOfPostings, final long numberOfOccurences,
50: final int maxCount, final Payload payload,
51: final boolean hasCounts, final boolean hasPositions,
52: final TermProcessor termProcessor, final String field,
53: final IntList sizes, final Properties properties) {
54: super(localIndex, strategy, flat, termFilter,
55: numberOfDocuments, numberOfTerms, numberOfPostings,
56: numberOfOccurences, maxCount, payload, hasCounts,
57: hasPositions, termProcessor, field, sizes, properties);
58: }
59: }
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