org.elasticsearch.action.get.GetRequestBuilder Maven / Gradle / Ivy
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.action.get;
import org.elasticsearch.action.support.single.shard.SingleShardOperationRequestBuilder;
import org.elasticsearch.client.internal.ElasticsearchClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.core.Nullable;
import org.elasticsearch.index.VersionType;
import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
/**
* A get document action request builder.
*/
public class GetRequestBuilder extends SingleShardOperationRequestBuilder {
public GetRequestBuilder(ElasticsearchClient client, GetAction action) {
super(client, action, new GetRequest());
}
public GetRequestBuilder(ElasticsearchClient client, GetAction action, @Nullable String index) {
super(client, action, new GetRequest(index));
}
/**
* Sets the id of the document to fetch.
*/
public GetRequestBuilder setId(String id) {
request.id(id);
return this;
}
/**
* Controls the shard routing of the request. Using this value to hash the shard
* and not the id.
*/
public GetRequestBuilder setRouting(String routing) {
request.routing(routing);
return this;
}
/**
* Sets the preference to execute the search. Defaults to randomize across shards. Can be set to
* {@code _local} to prefer local shards or a custom value, which guarantees that the same order
* will be used across different requests.
*/
public GetRequestBuilder setPreference(String preference) {
request.preference(preference);
return this;
}
/**
* Explicitly specify the fields that will be returned. By default, the {@code _source}
* field will be returned.
*/
public GetRequestBuilder setStoredFields(String... fields) {
request.storedFields(fields);
return this;
}
/**
* Indicates whether the response should contain the stored _source.
*
* @return this for chaining
*/
public GetRequestBuilder setFetchSource(boolean fetch) {
FetchSourceContext context = request.fetchSourceContext() == null ? FetchSourceContext.FETCH_SOURCE : request.fetchSourceContext();
request.fetchSourceContext(FetchSourceContext.of(fetch, context.includes(), context.excludes()));
return this;
}
/**
* Indicate that _source should be returned, with an "include" and/or "exclude" set which can include simple wildcard
* elements.
*
* @param include An optional include (optionally wildcarded) pattern to filter the returned _source
* @param exclude An optional exclude (optionally wildcarded) pattern to filter the returned _source
*/
public GetRequestBuilder setFetchSource(@Nullable String include, @Nullable String exclude) {
return setFetchSource(
include == null ? Strings.EMPTY_ARRAY : new String[] { include },
exclude == null ? Strings.EMPTY_ARRAY : new String[] { exclude }
);
}
/**
* Indicate that _source should be returned, with an "include" and/or "exclude" set which can include simple wildcard
* elements.
*
* @param includes An optional list of include (optionally wildcarded) pattern to filter the returned _source
* @param excludes An optional list of exclude (optionally wildcarded) pattern to filter the returned _source
*/
public GetRequestBuilder setFetchSource(@Nullable String[] includes, @Nullable String[] excludes) {
FetchSourceContext context = request.fetchSourceContext() == null ? FetchSourceContext.FETCH_SOURCE : request.fetchSourceContext();
request.fetchSourceContext(FetchSourceContext.of(context.fetchSource(), includes, excludes));
return this;
}
/**
* Should a refresh be executed before this get operation causing the operation to
* return the latest value. Note, heavy get should not set this to {@code true}. Defaults
* to {@code false}.
*/
public GetRequestBuilder setRefresh(boolean refresh) {
request.refresh(refresh);
return this;
}
public GetRequestBuilder setRealtime(boolean realtime) {
request.realtime(realtime);
return this;
}
/**
* Sets the version, which will cause the get operation to only be performed if a matching
* version exists and no changes happened on the doc since then.
*/
public GetRequestBuilder setVersion(long version) {
request.version(version);
return this;
}
/**
* Sets the versioning type. Defaults to {@link org.elasticsearch.index.VersionType#INTERNAL}.
*/
public GetRequestBuilder setVersionType(VersionType versionType) {
request.versionType(versionType);
return this;
}
}