org.elasticsearch.hadoop.rest.request.GetAliasesRequestBuilder Maven / Gradle / Ivy
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* 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 org.elasticsearch.hadoop.rest.request;
import org.elasticsearch.hadoop.rest.RestClient;
import org.elasticsearch.hadoop.serialization.dto.IndicesAliases;
import org.elasticsearch.hadoop.util.StringUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
public class GetAliasesRequestBuilder extends RequestBuilder {
private final List indices = new ArrayList();
private final List aliases = new ArrayList();
public GetAliasesRequestBuilder(RestClient client) {
super(client);
}
/**
* The aliases to filter down in the response.
*/
public GetAliasesRequestBuilder aliases(String... values) {
Collections.addAll(aliases, values);
return this;
}
/**
* The indices to find aliases for.
* Any aliases placed here are resolved on the server side to the indices that they contain.
* If no indices are given, we default to "_all"
*/
public GetAliasesRequestBuilder indices(String... values) {
Collections.addAll(indices, values);
return this;
}
@Override
public Response execute() {
StringBuilder path = new StringBuilder();
if (indices.size() > 0) {
path.append(StringUtils.concatenate(indices));
} else {
path.append("_all");
}
path.append("/_alias");
if (aliases.size() > 0) {
path.append("/").append(StringUtils.concatenate(aliases));
}
return new Response((Map) client.get(path.toString(), null));
}
public static class Response implements RequestBuilder.Response {
private final IndicesAliases indicesAliases;
public Response(Map map) {
this.indicesAliases = IndicesAliases.parse(map);
}
public IndicesAliases getIndices() {
return indicesAliases;
}
public boolean hasAliases() {
return indicesAliases.getAll().size() > 0;
}
}
}