public static void main(String[] args) { // Start the Embedded Hazelcast Cluster Member. HazelcastInstance hz1 = Hazelcast.newHazelcastInstance(); // Start a Second Embedded Hazelcast Cluster Member HazelcastInstance hz2 = Hazelcast.newHazelcastInstance(); // Get the Distributed Executor Service IExecutorService ex = hz1.getExecutorService("my-distributed-executor"); // Submit the MessagePrinter Runnable to a random Hazelcast Cluster Member ex.submit(new MessagePrinter("message to any node")); // Get the first Hazelcast Cluster Member Member firstMember = hz1.getCluster().getMembers().iterator().next(); // Submit the MessagePrinter Runnable to the first Hazelcast Cluster Member ex.executeOnMember(new MessagePrinter("message to very first member of the cluster"), firstMember); // Submit the MessagePrinter Runnable to all Hazelcast Cluster Members ex.executeOnAllMembers(new MessagePrinter("message to all members in the cluster")); // Submit the MessagePrinter Runnable to the Hazelcast Cluster Member owning the key called "key" ex.executeOnKeyOwner(new MessagePrinter("message to the member that owns the following key"), "key"); // Shutdown this Hazelcast Cluster Member hz1.shutdown(); // Shutdown this Hazelcast Cluster Member hz2.shutdown(); }
public static void main(String[] args) { // Enable Code Deployment from this Client classpath to the Cluster Members classpath // User Code Deployment needs to be enabled on the Cluster Members as well. ClientConfig config = new ClientConfig(); ClientUserCodeDeploymentConfig userCodeDeploymentConfig = config.getUserCodeDeploymentConfig(); userCodeDeploymentConfig.setEnabled(true); userCodeDeploymentConfig.addClass(ExecutorServiceSample.MessagePrinter.class); // Start the Hazelcast Client and connect to an already running Hazelcast Cluster on 127.0.0.1 HazelcastInstance hz = HazelcastClient.newHazelcastClient(config); // Get the Distributed Executor Service IExecutorService ex = hz.getExecutorService("my-distributed-executor"); // Submit the MessagePrinter Runnable to a random Hazelcast Cluster Member ex.submit(new MessagePrinter("message to any node")); // Get the first Hazelcast Cluster Member Member firstMember = hz.getCluster().getMembers().iterator().next(); // Submit the MessagePrinter Runnable to the first Hazelcast Cluster Member ex.executeOnMember(new MessagePrinter("message to very first member of the cluster"), firstMember); // Submit the MessagePrinter Runnable to all Hazelcast Cluster Members ex.executeOnAllMembers(new MessagePrinter("message to all members in the cluster")); // Submit the MessagePrinter Runnable to the Hazelcast Cluster Member owning the key called "key" ex.executeOnKeyOwner(new MessagePrinter("message to the member that owns the following key"), "key"); // Shutdown this Hazelcast Client hz.shutdown(); } }