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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 com.google.gson.JsonObject;
public class ElasticQueryAdapter {
static final String POST_V5_TYPE = "_doc";
private final boolean ignoreUnmapped;
private final boolean usePostV5Type;
private final boolean omitTypeFromSearch;
private final String searchFilteringName;
private final String indicesExistParam;
private final String exactFieldType;
private final String stringFieldType;
private final String indexProperty;
private final String versionDiscoveryUrl;
private final String includeTypeNameParam;
ElasticQueryAdapter(ElasticVersion version) {
this.ignoreUnmapped = false;
this.usePostV5Type = version.isV6OrLater();
this.omitTypeFromSearch = version.isV7OrLater();
this.versionDiscoveryUrl = version.isV6OrLater() ? "/%s*" : "/%s*/_aliases";
this.searchFilteringName = "_source";
this.indicesExistParam = "?allow_no_indices=false";
this.exactFieldType = "keyword";
this.stringFieldType = "text";
this.indexProperty = "true";
this.includeTypeNameParam = version.isV7OrLater() ? "?include_type_name=true" : "";
}
void setIgnoreUnmapped(JsonObject properties) {
if (ignoreUnmapped) {
properties.addProperty("ignore_unmapped", true);
}
}
public void setType(JsonObject properties, String type) {
if (!usePostV5Type) {
properties.addProperty("_type", type);
}
}
public String searchFilteringName() {
return searchFilteringName;
}
String indicesExistParam() {
return indicesExistParam;
}
String exactFieldType() {
return exactFieldType;
}
String stringFieldType() {
return stringFieldType;
}
String indexProperty() {
return indexProperty;
}
boolean usePostV5Type() {
return usePostV5Type;
}
boolean omitTypeFromSearch() {
return omitTypeFromSearch;
}
String getType(String type) {
return usePostV5Type() ? POST_V5_TYPE : type;
}
String getVersionDiscoveryUrl(String name) {
return String.format(versionDiscoveryUrl, name);
}
String includeTypeNameParam() {
return includeTypeNameParam;
}
}
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