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// Copyright (C) 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 com.google.gerrit.elasticsearch;
import static com.google.gerrit.elasticsearch.ElasticVersion.V6_7;
public class ElasticQueryAdapter {
static final String V6_TYPE = "_doc";
private static final String INCLUDE_TYPE = "include_type_name=true";
private static final String INDICES = "?allow_no_indices=false";
private final boolean useV6Type;
private final boolean omitType;
private final int defaultNumberOfShards;
private final String searchFilteringName;
private final String indicesExistParams;
private final String exactFieldType;
private final String stringFieldType;
private final String indexProperty;
private final String rawFieldsKey;
private final String versionDiscoveryUrl;
private final String includeTypeNameParam;
ElasticQueryAdapter(ElasticVersion version) {
this.useV6Type = version.isV6();
this.omitType = version.isV7OrLater();
this.defaultNumberOfShards = version.isV7OrLater() ? 1 : 5;
this.versionDiscoveryUrl = version.isV6OrLater() ? "/%s*" : "/%s*/_aliases";
this.searchFilteringName = "_source";
this.indicesExistParams =
version.isAtLeastMinorVersion(V6_7) ? INDICES + "&" + INCLUDE_TYPE : INDICES;
this.exactFieldType = "keyword";
this.stringFieldType = "text";
this.indexProperty = "true";
this.rawFieldsKey = "_source";
this.includeTypeNameParam = version.isAtLeastMinorVersion(V6_7) ? "?" + INCLUDE_TYPE : "";
}
public String searchFilteringName() {
return searchFilteringName;
}
String indicesExistParams() {
return indicesExistParams;
}
String exactFieldType() {
return exactFieldType;
}
String stringFieldType() {
return stringFieldType;
}
String indexProperty() {
return indexProperty;
}
String rawFieldsKey() {
return rawFieldsKey;
}
boolean useV6Type() {
return useV6Type;
}
boolean omitType() {
return omitType;
}
int getDefaultNumberOfShards() {
return defaultNumberOfShards;
}
String getType() {
return useV6Type() ? V6_TYPE : "";
}
String getVersionDiscoveryUrl(String name) {
return String.format(versionDiscoveryUrl, name);
}
String includeTypeNameParam() {
return includeTypeNameParam;
}
}