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// Copyright (C) 2017 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.gerrit.elasticsearch.ElasticMapping.MappingProperties;
import com.google.gerrit.elasticsearch.bulk.BulkRequest;
import com.google.gerrit.elasticsearch.bulk.IndexRequest;
import com.google.gerrit.elasticsearch.bulk.UpdateRequest;
import com.google.gerrit.entities.Project;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.index.QueryOptions;
import com.google.gerrit.index.Schema;
import com.google.gerrit.index.project.ProjectData;
import com.google.gerrit.index.project.ProjectField;
import com.google.gerrit.index.project.ProjectIndex;
import com.google.gerrit.index.query.DataSource;
import com.google.gerrit.index.query.Predicate;
import com.google.gerrit.index.query.QueryParseException;
import com.google.gerrit.server.config.SitePaths;
import com.google.gerrit.server.index.IndexUtils;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.assistedinject.Assisted;
import java.util.Set;
import org.apache.http.HttpStatus;
import org.elasticsearch.client.Response;
public class ElasticProjectIndex extends AbstractElasticIndex<Project.NameKey, ProjectData>
implements ProjectIndex {
static class ProjectMapping {
MappingProperties projects;
ProjectMapping(Schema<ProjectData> schema, ElasticQueryAdapter adapter) {
this.projects = ElasticMapping.createMapping(schema, adapter);
}
}
static final String PROJECTS = "projects";
private final ProjectMapping mapping;
private final Provider<ProjectCache> projectCache;
private final Schema<ProjectData> schema;
@Inject
ElasticProjectIndex(
ElasticConfiguration cfg,
SitePaths sitePaths,
Provider<ProjectCache> projectCache,
ElasticRestClientProvider client,
@Assisted Schema<ProjectData> schema) {
super(cfg, sitePaths, schema, client, PROJECTS);
this.projectCache = projectCache;
this.schema = schema;
this.mapping = new ProjectMapping(schema, client.adapter());
}
@Override
public void replace(ProjectData projectState) {
BulkRequest bulk =
new IndexRequest(projectState.getProject().getName(), indexName)
.add(new UpdateRequest<>(schema, projectState));
String uri = getURI(BULK);
Response response = postRequest(uri, bulk, getRefreshParam());
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
throw new StorageException(
String.format(
"Failed to replace project %s in index %s: %s",
projectState.getProject().getName(), indexName, statusCode));
}
}
@Override
public DataSource<ProjectData> getSource(Predicate<ProjectData> p, QueryOptions opts)
throws QueryParseException {
JsonArray sortArray = getSortArray(ProjectField.NAME.getName());
return new ElasticQuerySource(p, opts.filterFields(IndexUtils::projectFields), sortArray);
}
@Override
protected String getDeleteActions(Project.NameKey nameKey) {
return getDeleteRequest(nameKey);
}
@Override
protected String getMappings() {
return getMappingsForSingleType(mapping.projects);
}
@Override
protected String getId(ProjectData projectState) {
return projectState.getProject().getName();
}
@Override
protected ProjectData fromDocument(JsonObject json, Set<String> fields) {
JsonElement source = json.get("_source");
if (source == null) {
source = json.getAsJsonObject().get("fields");
}
Project.NameKey nameKey =
Project.nameKey(source.getAsJsonObject().get(ProjectField.NAME.getName()).getAsString());
return projectCache.get().get(nameKey).toProjectData();
}
}
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