org.elasticsearch.rest.action.admin.indices.RestClearIndicesCacheAction Maven / Gradle / Ivy
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/*
* 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.rest.action.admin.indices;
import org.elasticsearch.action.admin.indices.cache.clear.ClearIndicesCacheRequest;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.RestToXContentListener;
import java.io.IOException;
import java.util.List;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static org.elasticsearch.rest.RestRequest.Method.POST;
public class RestClearIndicesCacheAction extends BaseRestHandler {
@Override
public List routes() {
return unmodifiableList(asList(
new Route(POST, "/_cache/clear"),
new Route(POST, "/{index}/_cache/clear")));
}
@Override
public String getName() {
return "clear_indices_cache_action";
}
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
ClearIndicesCacheRequest clearIndicesCacheRequest = new ClearIndicesCacheRequest(
Strings.splitStringByCommaToArray(request.param("index")));
clearIndicesCacheRequest.indicesOptions(IndicesOptions.fromRequest(request, clearIndicesCacheRequest.indicesOptions()));
fromRequest(request, clearIndicesCacheRequest);
return channel -> client.admin().indices().clearCache(clearIndicesCacheRequest, new RestToXContentListener<>(channel));
}
@Override
public boolean canTripCircuitBreaker() {
return false;
}
public static ClearIndicesCacheRequest fromRequest(final RestRequest request, ClearIndicesCacheRequest clearIndicesCacheRequest) {
clearIndicesCacheRequest.queryCache(request.paramAsBoolean("query", clearIndicesCacheRequest.queryCache()));
clearIndicesCacheRequest.requestCache(request.paramAsBoolean("request", clearIndicesCacheRequest.requestCache()));
clearIndicesCacheRequest.fieldDataCache(request.paramAsBoolean("fielddata", clearIndicesCacheRequest.fieldDataCache()));
clearIndicesCacheRequest.fields(request.paramAsStringArray("fields", clearIndicesCacheRequest.fields()));
return clearIndicesCacheRequest;
}
}