/*
* Licensed to Luca Cavanna (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.shell.client;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.collect.ImmutableList;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.shell.dump.DumpRestorer;
import org.elasticsearch.shell.dump.DumpSaver;
import org.elasticsearch.shell.json.JsonToString;
import org.elasticsearch.shell.json.StringToJson;
/**
* @author Luca Cavanna
*
* Represents an elasticsearch transport client within the shell
* @param <JsonInput> the shell native object that represents a json object received as input from the shell
* @param <JsonOutput> the shell native object that represents a json object that we give as output to the shell
*/
public class TransportClient<JsonInput, JsonOutput>
extends AbstractClient<org.elasticsearch.client.transport.TransportClient, JsonInput, JsonOutput> {
protected TransportClient(org.elasticsearch.client.transport.TransportClient client, JsonToString<JsonInput> jsonToString,
StringToJson<JsonOutput> stringToJson, DumpSaver<JsonInput> dumpSaver, DumpRestorer dumpRestorer) {
super(client, jsonToString, stringToJson, dumpSaver, dumpRestorer);
}
@Override
public void close() throws IOException {
client().close();
}
public List<String> connectedNodes() {
ImmutableList<DiscoveryNode> discoveryNodes = client().connectedNodes();
List<String> nodes = new ArrayList<String>();
for (DiscoveryNode discoveryNode : discoveryNodes) {
TransportAddress address = discoveryNode.address();
if (address != null) {
nodes.add(address.toString());
}
}
return nodes;
}
@Override
protected String asString() {
return "Transport client connected to " + connectedNodes();
}
}