6.3. 集群服务的公共 API

@Resource(lookup = "java:jboss/clustering/group/channel-name")
private Group channelGroup;

@Resource(lookup = "java:jboss/clustering/group/channel-name")
private Group channelGroup;

@Resource(lookup = "java:jboss/clustering/dispatcher/channel-name")
private CommandDispatcherFactory factory;

public void foo() {
    String context = "Hello world!";
    // Exclude node1 and node3 from the executeOnCluster
    try (CommandDispatcher<String> dispatcher = this.factory.createCommandDispatcher(context)) {
        dispatcher.executeOnGroup(new StdOutCommand(), node1, node3);

    }
}

public static class StdOutCommand implements Command<Void, String> {
    @Override
    public Void execute(String context) {
        System.out.println(context);
        return null;
    }
}

@Resource(lookup = "java:jboss/clustering/dispatcher/channel-name")
private CommandDispatcherFactory factory;

public void foo() {
    String context = "Hello world!";
    // Exclude node1 and node3 from the executeOnCluster
    try (CommandDispatcher<String> dispatcher = this.factory.createCommandDispatcher(context)) {
        dispatcher.executeOnGroup(new StdOutCommand(), node1, node3);

    }
}

public static class StdOutCommand implements Command<Void, String> {
    @Override
    public Void execute(String context) {
        System.out.println(context);
        return null;
    }
}