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.core.lucene.engine.query;
18:
19: import org.apache.lucene.search.QueryFilter;
20: import org.apache.lucene.search.RangeFilter;
21: import org.compass.core.engine.SearchEngineQuery;
22: import org.compass.core.engine.SearchEngineQueryFilter;
23: import org.compass.core.engine.SearchEngineQueryFilterBuilder;
24: import org.compass.core.lucene.engine.LuceneSearchEngineQueryFilter;
25: import org.compass.core.lucene.engine.LuceneSearchEngineQuery;
26:
27: /**
28: * @author kimchy
29: */
30: // TODO add makeCacheable to filters. Will have to hook into index change events to invalidate the filter cache.
31: public class LuceneSearchEngineQueryFilterBuilder implements
32: SearchEngineQueryFilterBuilder {
33:
34: public LuceneSearchEngineQueryFilterBuilder() {
35: }
36:
37: public SearchEngineQueryFilter between(String resourcePropertyName,
38: String low, String high, boolean includeLow,
39: boolean includeHigh) {
40: return new LuceneSearchEngineQueryFilter(new RangeFilter(
41: resourcePropertyName, low, high, includeLow,
42: includeHigh));
43: }
44:
45: public SearchEngineQueryFilter lt(String resourcePropertyName,
46: String value) {
47: return between(resourcePropertyName, null, value, false, false);
48: }
49:
50: public SearchEngineQueryFilter le(String resourcePropertyName,
51: String value) {
52: return between(resourcePropertyName, null, value, false, true);
53: }
54:
55: public SearchEngineQueryFilter gt(String resourcePropertyName,
56: String value) {
57: return between(resourcePropertyName, value, null, false, false);
58: }
59:
60: public SearchEngineQueryFilter ge(String resourcePropertyName,
61: String value) {
62: return between(resourcePropertyName, value, null, true, false);
63: }
64:
65: public SearchEngineQueryFilter query(SearchEngineQuery query) {
66: return new LuceneSearchEngineQueryFilter(new QueryFilter(
67: ((LuceneSearchEngineQuery) query).getQuery()));
68: }
69:
70: public SearchEngineBooleanQueryFilterBuilder bool() {
71: return new LuceneSearchEngineBooleanQueryFilterBuilder();
72: }
73: }
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