| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.samza.system.elasticsearch.client; |
| |
| import org.apache.samza.SamzaException; |
| import org.apache.samza.config.ElasticsearchConfig; |
| import org.elasticsearch.client.Client; |
| import org.elasticsearch.client.transport.TransportClient; |
| import org.elasticsearch.common.settings.Settings; |
| import org.elasticsearch.common.transport.InetSocketTransportAddress; |
| import org.elasticsearch.common.transport.TransportAddress; |
| |
| import java.util.Map; |
| import java.net.InetSocketAddress; |
| |
| /** |
| * A {@link ClientFactory} that creates a {@link org.elasticsearch.node.Node} client that connects |
| * and joins an Elasticsearch cluster. |
| * |
| * <p> |
| * This requires both the host and port properties to be set. |
| * Other settings can be configured via Elasticsearch settings in the properties of the Samza job. |
| * </p> |
| * |
| */ |
| public class TransportClientFactory implements ClientFactory { |
| private final Map<String, String> clientSettings; |
| private final String transportHost; |
| private final int transportPort; |
| |
| public TransportClientFactory(ElasticsearchConfig config) { |
| clientSettings = config.getElasticseachSettings(); |
| transportHost = config.getTransportHost().orElseThrow(() -> |
| new SamzaException("You must specify the transport host for TransportClientFactory with the Elasticsearch system.")); |
| |
| transportPort = config.getTransportPort().orElseThrow(() -> |
| new SamzaException("You must specify the transport port for TransportClientFactory with the Elasticsearch system.")); |
| } |
| |
| @Override |
| public Client getClient() { |
| Settings settings = Settings.settingsBuilder() |
| .put(clientSettings) |
| .build(); |
| |
| TransportAddress address = new InetSocketTransportAddress(new InetSocketAddress(transportHost, transportPort)); |
| |
| return TransportClient.builder().settings(settings).build().addTransportAddress(address); |
| } |
| } |