| /* |
| * 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. |
| */ |
| |
| const IgniteClient = require('apache-ignite-client'); |
| const IgniteClientConfiguration = IgniteClient.IgniteClientConfiguration; |
| |
| const ENDPOINT1 = 'localhost:10800'; |
| const ENDPOINT2 = 'localhost:10801'; |
| const ENDPOINT3 = 'localhost:10802'; |
| |
| // This example demonstrates failover behavior of the client |
| // - configures the client to connect to a set of nodes |
| // - connects to a node |
| // - if connection is broken, the client automatically tries to reconnect to another node |
| // - if no specified nodes are available, stops the client |
| async function connectClient() { |
| const igniteClient = new IgniteClient(onStateChanged); |
| igniteClient.setDebug(true); |
| try { |
| const igniteClientConfiguration = new IgniteClientConfiguration( |
| ENDPOINT1, ENDPOINT2, ENDPOINT3); |
| // connect to Ignite a node |
| await igniteClient.connect(igniteClientConfiguration); |
| } |
| catch (err) { |
| console.log(err.message); |
| } |
| } |
| |
| function onStateChanged(state, reason) { |
| if (state === IgniteClient.STATE.CONNECTED) { |
| console.log('Client is started'); |
| } |
| else if (state === IgniteClient.STATE.CONNECTING) { |
| console.log('Client is connecting'); |
| } |
| else if (state === IgniteClient.STATE.DISCONNECTED) { |
| console.log('Client is stopped'); |
| if (reason) { |
| console.log(reason); |
| } |
| } |
| } |
| |
| connectClient(); |