1 | /* |
2 | * Copyright 2013 the original author or authors. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
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 | package org.springframework.data.elasticsearch.core.query; |
17 | |
18 | import org.springframework.data.domain.PageRequest; |
19 | import org.springframework.data.domain.Pageable; |
20 | import org.springframework.data.domain.Sort; |
21 | import org.springframework.util.Assert; |
22 | |
23 | import java.util.ArrayList; |
24 | import java.util.List; |
25 | |
26 | import static org.apache.commons.collections.CollectionUtils.addAll; |
27 | |
28 | /** |
29 | * AbstractQuery |
30 | * |
31 | * @author Rizwan Idrees |
32 | * @author Mohsin Husen |
33 | */ |
34 | abstract class AbstractQuery implements Query{ |
35 | |
36 | private static final Pageable DEFAULT_PAGE = new PageRequest(0, DEFAULT_PAGE_SIZE); |
37 | |
38 | protected Pageable pageable = DEFAULT_PAGE; |
39 | protected Sort sort; |
40 | protected List<String> indices = new ArrayList<String>(); |
41 | protected List<String> types = new ArrayList<String>(); |
42 | protected List<String> fields = new ArrayList<String>(); |
43 | |
44 | @Override |
45 | public Sort getSort() { |
46 | return this.sort; |
47 | } |
48 | |
49 | @Override |
50 | public Pageable getPageable() { |
51 | return this.pageable; |
52 | } |
53 | |
54 | @Override |
55 | public final <T extends Query> T setPageable(Pageable pageable) { |
56 | Assert.notNull(pageable); |
57 | this.pageable = pageable; |
58 | return (T) this.addSort(pageable.getSort()); |
59 | } |
60 | |
61 | @Override |
62 | public void addFields(String...fields) { |
63 | addAll(this.fields, fields); |
64 | } |
65 | |
66 | @Override |
67 | public List<String> getFields() { |
68 | return fields; |
69 | } |
70 | |
71 | @Override |
72 | public List<String> getIndices() { |
73 | return indices; |
74 | } |
75 | |
76 | @Override |
77 | public void addIndices(String... indices) { |
78 | addAll(this.indices,indices); |
79 | } |
80 | |
81 | @Override |
82 | public void addTypes(String... types) { |
83 | addAll(this.types,types); |
84 | } |
85 | |
86 | @Override |
87 | public List<String> getTypes() { |
88 | return types; |
89 | } |
90 | |
91 | @SuppressWarnings("unchecked") |
92 | public final <T extends Query> T addSort(Sort sort) { |
93 | if (sort == null) { |
94 | return (T) this; |
95 | } |
96 | |
97 | if (this.sort == null) { |
98 | this.sort = sort; |
99 | } else { |
100 | this.sort = this.sort.and(sort); |
101 | } |
102 | |
103 | return (T) this; |
104 | } |
105 | } |