1 /*
2  * Copyright 2023 The Android Open Source Project
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 
17 package com.android.server.appsearch.external.localstorage;
18 
19 
20 /**
21  * Icing options for AppSearch local-storage. Note, these values are not necessarily the defaults
22  * set in {@link com.google.android.icing.proto.IcingSearchEngineOptions} proto.
23  */
24 public class LocalStorageIcingOptionsConfig implements IcingOptionsConfig {
25     @Override
getMaxTokenLength()26     public int getMaxTokenLength() {
27         return DEFAULT_MAX_TOKEN_LENGTH;
28     }
29 
30     @Override
getIndexMergeSize()31     public int getIndexMergeSize() {
32         return DEFAULT_INDEX_MERGE_SIZE;
33     }
34 
35     @Override
getDocumentStoreNamespaceIdFingerprint()36     public boolean getDocumentStoreNamespaceIdFingerprint() {
37         return true;
38     }
39 
40     @Override
getOptimizeRebuildIndexThreshold()41     public float getOptimizeRebuildIndexThreshold() {
42         return 0.9f;
43     }
44 
45     @Override
getCompressionLevel()46     public int getCompressionLevel() {
47         return DEFAULT_COMPRESSION_LEVEL;
48     }
49 
50     @Override
getAllowCircularSchemaDefinitions()51     public boolean getAllowCircularSchemaDefinitions() {
52         return true;
53     }
54 
55     @Override
getUseReadOnlySearch()56     public boolean getUseReadOnlySearch() {
57         return true;
58     }
59 
60     @Override
getUsePreMappingWithFileBackedVector()61     public boolean getUsePreMappingWithFileBackedVector() {
62         return false;
63     }
64 
65     @Override
getUsePersistentHashMap()66     public boolean getUsePersistentHashMap() {
67         return true;
68     }
69 
70     @Override
getMaxPageBytesLimit()71     public int getMaxPageBytesLimit() {
72         return DEFAULT_MAX_PAGE_BYTES_LIMIT;
73     }
74 
75     @Override
getIntegerIndexBucketSplitThreshold()76     public int getIntegerIndexBucketSplitThreshold() {
77         return DEFAULT_INTEGER_INDEX_BUCKET_SPLIT_THRESHOLD;
78     }
79 
80     @Override
getLiteIndexSortAtIndexing()81     public boolean getLiteIndexSortAtIndexing() {
82         return DEFAULT_LITE_INDEX_SORT_AT_INDEXING;
83     }
84 
85     @Override
getLiteIndexSortSize()86     public int getLiteIndexSortSize() {
87         return DEFAULT_LITE_INDEX_SORT_SIZE;
88     }
89 
90     @Override
getUseNewQualifiedIdJoinIndex()91     public boolean getUseNewQualifiedIdJoinIndex() {
92         return DEFAULT_USE_NEW_QUALIFIED_ID_JOIN_INDEX;
93     }
94 
95     @Override
getBuildPropertyExistenceMetadataHits()96     public boolean getBuildPropertyExistenceMetadataHits() {
97         return true;
98     }
99 
100     @Override
getOrphanBlobTimeToLiveMs()101     public long getOrphanBlobTimeToLiveMs() {
102         return DEFAULT_ORPHAN_BLOB_TIME_TO_LIVE_MS;
103     }
104 }
105