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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.client;
import org.elasticsearch.action.Action;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestBuilder;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.client.support.AbstractClient;
/**
* A {@link Client} that contains another {@link Client} which it
* uses as its basic source, possibly transforming the requests / responses along the
* way or providing additional functionality.
*/
public abstract class FilterClient extends AbstractClient {
protected final Client in;
/**
* Creates a new FilterClient
*
* @param in the client to delegate to
* @see #in()
*/
public FilterClient(Client in) {
super(in.settings(), in.threadPool());
this.in = in;
}
@Override
public void close() {
in().close();
}
@Override
protected <Request extends ActionRequest, Response extends ActionResponse, RequestBuilder extends ActionRequestBuilder<Request, Response, RequestBuilder>> void doExecute(Action<Request, Response, RequestBuilder> action, Request request, ActionListener<Response> listener) {
in().execute(action, request, listener);
}
/**
* Returns the delegate {@link Client}
*/
protected Client in() {
return in;
}
}
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