[3744] | 1 | /*
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| 2 | * MGQueryResult.java
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| 3 | * Copyright (C) 2002 New Zealand Digital Library, http://www.nzdl.org
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation; either version 2 of the License, or
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| 8 | * (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 18 | */
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| 19 | package org.greenstone.mg;
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| 20 |
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| 21 |
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| 22 | import java.util.Vector;
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| 23 |
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| 24 |
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| 25 | /** a java version of QueryResult for mg
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| 26 | *
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| 27 | * contains get methods for the java side, and simple
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| 28 | * set methods to be called from c side
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| 29 | *
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| 30 | */
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| 31 | public class MGQueryResult
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| 32 | {
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| 33 | /** the list of MGDocInfo */
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| 34 | protected Vector docs_ = null;
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| 35 | /** the list of MGTermInfo */
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| 36 | protected Vector terms_ = null;
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| 37 | /** the total number of docs found - not likely to be the size of docs_ */
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| 38 | protected long total_num_docs_ = 0;
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| 39 |
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| 40 |
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| 41 | MGQueryResult() {
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| 42 | docs_ = new Vector();
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| 43 | terms_ = new Vector();
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| 44 | }
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| 45 |
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| 46 |
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| 47 | /** clear the info from the last query
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| 48 | should be called before setting any new docs/terms */
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| 49 | public void clear() {
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| 50 | total_num_docs_ = 0;
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| 51 | docs_.clear();
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| 52 | terms_.clear();
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| 53 | }
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| 54 |
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| 55 |
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| 56 | /** returns the result as a String - useful for printing out results */
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| 57 | public String toString()
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| 58 | {
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| 59 | String result = "";
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| 60 | result += "docs (ranks): ";
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| 61 | for (int i = 0; i < docs_.size(); i++) {
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| 62 | if (i > 0) result += ", ";
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| 63 | result += ((MGDocInfo) docs_.elementAt(i)).toString();
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| 64 | }
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| 65 | result += "\nterms: ";
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| 66 | for (int i = 0; i < terms_.size(); i++) {
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| 67 | if (i > 0) result += ", ";
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| 68 | result += ((MGTermInfo) terms_.elementAt(i)).toString();
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| 69 | }
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| 70 | result += "\nactual number of docs found = " + total_num_docs_;
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| 71 | return result;
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| 72 | }
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| 73 |
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| 74 |
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| 75 | /** a shorter representation - just terms and total docs - not the
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| 76 | individual docnums and ranks */
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| 77 | public String toShortString() {
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| 78 | String result = "";
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| 79 | result += "\nterms: ";
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| 80 | for (int i = 0; i < terms_.size(); i++) {
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| 81 | if (i > 0) result += ", ";
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| 82 | result += ((MGTermInfo) terms_.elementAt(i)).toString();
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| 83 | }
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| 84 | result += "\nactual number of docs found = "+total_num_docs_;
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| 85 | return result;
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| 86 | }
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| 87 |
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| 88 |
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| 89 | // set methods used by c++ code
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| 90 |
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| 91 | public void setTotalDocs(long num) {
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| 92 | total_num_docs_=num;
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| 93 | }
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| 94 |
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| 95 |
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| 96 | public void addDoc(long doc, float rank) {
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| 97 | MGDocInfo doc_info = new MGDocInfo(doc, rank);
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| 98 | System.out.println("(Java) Added doc " + doc_info);
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| 99 |
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| 100 | docs_.add(doc_info);
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| 101 | }
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| 102 |
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| 103 |
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| 104 | // public void addTerm(String term, int stem, long match, long freq)
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| 105 | public void addTerm(String term, String tag, int stem,
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| 106 | long match, long freq, String[] equivs)
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| 107 | {
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| 108 | MGTermInfo ti = new MGTermInfo();
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| 109 | ti.term_ = term;
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| 110 | ti.tag_ = tag;
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| 111 | ti.stem_method_ = stem;
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| 112 | ti.match_docs_ = match;
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| 113 | ti.term_freq_ = freq;
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| 114 | if (equivs != null) {
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| 115 | for (int i = 0; i < equivs.length; i++) {
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| 116 | ti.equiv_terms_.add(equivs[i]);
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| 117 | }
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| 118 | }
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| 119 | System.out.println("(Java) Added term " + ti);
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| 120 |
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| 121 | terms_.add(ti);
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| 122 | }
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| 123 |
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| 124 |
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| 125 | // Get methods for the java side - GS2MGSearch.java, GS2MGRetrieve.java
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| 126 | public Vector getDocs() {
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| 127 | return docs_;
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| 128 | }
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| 129 |
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| 130 |
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| 131 | public Vector getTerms() {
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| 132 | return terms_;
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| 133 | }
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| 134 |
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| 135 |
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| 136 | public long getTotalDocs() {
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| 137 | return total_num_docs_;
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| 138 | }
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| 139 | }
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| 140 |
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