| // Copyright (C) 2018 The Android Open Source Project, 2009-2015 Elasticsearch |
| // |
| // 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 com.google.gerrit.elasticsearch.builders; |
| |
| import java.io.IOException; |
| import java.util.Locale; |
| |
| /** |
| * Match query is a query that analyzes the text and constructs a query as the result of the |
| * analysis. It can construct different queries based on the type provided. |
| * |
| * <p>A trimmed down version of org.elasticsearch.index.query.MatchQueryBuilder. |
| */ |
| class MatchQueryBuilder extends QueryBuilder { |
| |
| enum Type { |
| /** The text is analyzed and used as a phrase query. */ |
| MATCH_PHRASE, |
| /** The text is analyzed and used in a phrase query, with the last term acting as a prefix. */ |
| MATCH_PHRASE_PREFIX; |
| |
| @Override |
| public String toString() { |
| return name().toLowerCase(Locale.US); |
| } |
| } |
| |
| private final String name; |
| |
| private final Object text; |
| |
| private Type type; |
| |
| /** Constructs a new text query. */ |
| MatchQueryBuilder(String name, Object text) { |
| this.name = name; |
| this.text = text; |
| } |
| |
| /** Sets the type of the text query. */ |
| MatchQueryBuilder type(Type type) { |
| this.type = type; |
| return this; |
| } |
| |
| @Override |
| protected void doXContent(XContentBuilder builder) throws IOException { |
| builder.startObject(type.toString()).field(name, text).endObject(); |
| } |
| } |