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1 package org.apache.lucene.index;
2
3
18
19 import org.apache.lucene.document.Document;
20 import org.apache.lucene.document.Field;
21
22 import java.io.IOException  ;
23 import java.util.Collection ;
24
25
34 public class FilterIndexReader extends IndexReader {
35
36
37 public static class FilterTermDocs implements TermDocs {
38 protected TermDocs in;
39
40 public FilterTermDocs(TermDocs in) { this.in = in; }
41
42 public void seek(Term term) throws IOException { in.seek(term); }
43 public void seek(TermEnum termEnum) throws IOException { in.seek(termEnum); }
44 public int doc() { return in.doc(); }
45 public int freq() { return in.freq(); }
46 public boolean next() throws IOException { return in.next(); }
47 public int read(int[] docs, int[] freqs) throws IOException {
48 return in.read(docs, freqs);
49 }
50 public boolean skipTo(int i) throws IOException { return in.skipTo(i); }
51 public void close() throws IOException { in.close(); }
52 }
53
54
55 public static class FilterTermPositions
56 extends FilterTermDocs implements TermPositions {
57
58 public FilterTermPositions(TermPositions in) { super(in); }
59
60 public int nextPosition() throws IOException {
61 return ((TermPositions) this.in).nextPosition();
62 }
63 }
64
65
66 public static class FilterTermEnum extends TermEnum {
67 protected TermEnum in;
68
69 public FilterTermEnum(TermEnum in) { this.in = in; }
70
71 public boolean next() throws IOException { return in.next(); }
72 public Term term() { return in.term(); }
73 public int docFreq() { return in.docFreq(); }
74 public void close() throws IOException { in.close(); }
75 }
76
77 protected IndexReader in;
78
79
86 public FilterIndexReader(IndexReader in) {
87 super(in.directory());
88 this.in = in;
89 }
90
91 public TermFreqVector[] getTermFreqVectors(int docNumber)
92 throws IOException {
93 return in.getTermFreqVectors(docNumber);
94 }
95
96 public TermFreqVector getTermFreqVector(int docNumber, String field)
97 throws IOException {
98 return in.getTermFreqVector(docNumber, field);
99 }
100
101 public int numDocs() { return in.numDocs(); }
102 public int maxDoc() { return in.maxDoc(); }
103
104 public Document document(int n) throws IOException { return in.document(n); }
105
106 public boolean isDeleted(int n) { return in.isDeleted(n); }
107 public boolean hasDeletions() { return in.hasDeletions(); }
108 protected void doUndeleteAll() throws IOException { in.undeleteAll(); }
109
110 public boolean hasNorms(String field) throws IOException {
111 return in.hasNorms(field);
112 }
113
114 public byte[] norms(String f) throws IOException { return in.norms(f); }
115 public void norms(String f, byte[] bytes, int offset) throws IOException {
116 in.norms(f, bytes, offset);
117 }
118 protected void doSetNorm(int d, String f, byte b) throws IOException {
119 in.setNorm(d, f, b);
120 }
121
122 public TermEnum terms() throws IOException { return in.terms(); }
123 public TermEnum terms(Term t) throws IOException { return in.terms(t); }
124
125 public int docFreq(Term t) throws IOException { return in.docFreq(t); }
126
127 public TermDocs termDocs() throws IOException { return in.termDocs(); }
128
129 public TermPositions termPositions() throws IOException {
130 return in.termPositions();
131 }
132
133 protected void doDelete(int n) throws IOException { in.delete(n); }
134 protected void doCommit() throws IOException { in.commit(); }
135 protected void doClose() throws IOException { in.close(); }
136
137 public Collection getFieldNames() throws IOException {
138 return in.getFieldNames();
139 }
140
141 public Collection getFieldNames(boolean indexed) throws IOException {
142 return in.getFieldNames(indexed);
143 }
144
145 public Collection getIndexedFieldNames (Field.TermVector tvSpec){
146 return in.getIndexedFieldNames(tvSpec);
147 }
148
149 public Collection getFieldNames(IndexReader.FieldOption fieldNames) {
150 return in.getFieldNames(fieldNames);
151 }
152 }
153 |
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