org.elasticsearch.client.internal.FilterClient 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.client.internal;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.ActionType;
import org.elasticsearch.client.internal.support.AbstractClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
/**
* 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) {
this(in.settings(), in.threadPool(), in);
}
/**
* A Constructor that allows to pass settings and threadpool separately. This is useful if the
* client is a proxy and not yet fully constructed ie. both dependencies are not available yet.
*/
protected FilterClient(Settings settings, ThreadPool threadPool, Client in) {
super(settings, threadPool);
this.in = in;
}
@Override
public void close() {
in().close();
}
@Override
protected void doExecute(
ActionType action,
Request request,
ActionListener listener
) {
in().execute(action, request, listener);
}
/**
* Returns the delegate {@link Client}
*/
protected Client in() {
return in;
}
@Override
public Client getRemoteClusterClient(String clusterAlias) {
return in.getRemoteClusterClient(clusterAlias);
}
}