docs/_docs/code-snippets/java/src/main/java/org/apache/ignite/snippets/ClusteringOverview.java

/*
 * 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.ignite.snippets;

import org.apache.ignite.Ignite;
import org.apache.ignite.Ignition;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi;
import org.junit.jupiter.api.Test;

public class ClusteringOverview {

    @Test
    void clientModeCfg() {
        try (Ignite serverNode = Ignition
                .start(new IgniteConfiguration().setIgniteInstanceName("server-node"))) {
            // tag::clientCfg[]
            IgniteConfiguration cfg = new IgniteConfiguration();

            // Enable client mode.
            cfg.setClientMode(true);

            // Start the node in client mode.
            Ignite ignite = Ignition.start(cfg);
            // end::clientCfg[]

            ignite.close();
        }
    }

    void setClientModeEnabledByIgnition() {

        Ignite serverNode = Ignition
                .start(new IgniteConfiguration().setIgniteInstanceName("server-node"));
        // tag::clientModeIgnition[]
        Ignition.setClientMode(true);

        // Start the node in client mode.
        Ignite ignite = Ignition.start();
        // end::clientModeIgnition[]

        ignite.close();
        serverNode.close();
    }

    @Test
    void communicationSpiDemo() {

        Ignite serverNode = Ignition
                .start(new IgniteConfiguration().setIgniteInstanceName("server-node"));
        // tag::commSpi[]
        TcpCommunicationSpi commSpi = new TcpCommunicationSpi();

        // Set the local port.
        commSpi.setLocalPort(4321);

        IgniteConfiguration cfg = new IgniteConfiguration();
        cfg.setCommunicationSpi(commSpi);

        // Start the node.
        Ignite ignite = Ignition.start(cfg);
        // end::commSpi[]
        ignite.close();
        serverNode.close();
    }
}