FtsOptions.java
/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.room;
import androidx.annotation.RequiresApi;
/**
* Available option values that can be used with {@link Fts3} & {@link Fts4}.
*/
public class FtsOptions {
/**
* The name of the default tokenizer used on FTS tables.
*
* @see Fts4#tokenizer()
* @see Fts4#tokenizerArgs()
*/
public static final String TOKENIZER_SIMPLE = "simple";
/**
* The name of the tokenizer based on the Porter Stemming Algorithm.
*
* @see Fts4#tokenizer()
* @see Fts4#tokenizerArgs()
*/
public static final String TOKENIZER_PORTER = "porter";
/**
* The name of a tokenizer implemented by the ICU library.
* <p>
* Not available in certain Android builds (e.g. vendor).
*
* @see Fts4#tokenizer()
* @see Fts4#tokenizerArgs()
*/
public static final String TOKENIZER_ICU = "icu";
/**
* The name of the tokenizer that extends the {@link #TOKENIZER_SIMPLE} tokenizer
* according to rules in Unicode Version 6.1.
*
* @see Fts4#tokenizer()
* @see Fts4#tokenizerArgs()
*/
@RequiresApi(21)
public static final String TOKENIZER_UNICODE61 = "unicode61";
public enum MatchInfo {
/**
* Text matching info as version 3 of the extension module.
*
* @see Fts4#matchInfo()
*/
FTS3,
/**
* Text matching info as version 4 of the extension module.
*
* @see Fts4#matchInfo()
*/
FTS4
}
public enum Order {
/**
* Ascending returning order.
*
* @see Fts4#order()
*/
ASC,
/**
* Descending returning order.
*
* @see Fts4#order()
*/
DESC
}
private FtsOptions() {
}
}