ru-rocker

- hosts: localhost
  tasks:

    - name: Server group
      jcli_servergroup:
        jboss_home: /Users/it-ops/Documents/java_dev/server/wildfly-10.0.0.Final/
        server_group_name: group1
        state: present
      register: hasil

ru-rocker

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.rurocker.example</groupId>
	<artifactId>demo</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>war</packaging>

ru-rocker

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.support.SpringBootServletInitializer;

@SpringBootApplication
public class DemoApplication extends SpringBootServletInitializer{

	public static void main(String[] args) {
		SpringApplication.run(DemoApplication.class, args);
	}

ru-rocker

# data container, bind volume 
docker run -d --name bmweb -v ~/example-docs:/usr/local/apache2/htdocs -p 80:80 httpd:latest

# data container, managed volume 
docker run -d --volume /var/lib/cassandra/data --name cass-shared alpine echo Data Container

# copy volume definitiion from cass-shared
docker run -d --volumes-from cass-shared --name cass1 cassandra:2.2

# delete any managed volumes referenced by the target container

ru-rocker

	//Stream from Collection
	List<String> list = new ArrayList<>();
	list.add("s1");
	list.add("s2");
	list.add("s3");
	list.stream()
	    .map( s -> "From collection " + s)
	    .forEach(System.out::println);

	//Stream from Arrays class

ru-rocker

	Random random = new Random();
	List<Integer> list = new ArrayList<>();

	//create a list of random integers using stream.
	//Don't have to be like this, just to show off 
	//because we are talking about stream
	List<Integer> list = IntStream.range(0, 20)
		 .map(i -> random.nextInt(100))
		 .boxed() //turns IntStream into Stream<Integer>
		 .collect(Collectors.toList()); //will be discussed in advance stream usage

ru-rocker

	list.stream()
	    .filter(i -> i % 2 == 0)
	    .map(i -> i * i)
	    .sorted()
	    .distinct()
	    .forEach(System.out::println);

ru-rocker

public class Car {

	private String model;
	private String color;
	private Double price;

	public Car(String model, String color, Double price) {
		this.model = model;
		this.color = color;
		this.price = price;

ru-rocker

	Car car1 = new Car("BMW","Red", 35000d);
	Car car2 = new Car("BMW","Green", 35500d);
	Car car3 = new Car("Ford","Yellow", 25000d);
	Car car4 = new Car("Toyota","Red", 10000d);

	//populate car model list whose have red values
	List<String> redCars = Stream.of(car1, car2, car3, car4)
				      .filter(s -> s.getColor().equals("Red") ) //get all cars with red values
				      .map(c -> c.getModel()) //map to get the model only
			              .collect(Collectors.toList());

ru-rocker

    //there is at least one negative number
    public void anyMatch(){
      boolean anyMatch;

      anyMatch = IntStream.of(-1,2,3,5,7,9)
                          .anyMatch(i -> i < 0);
      System.out.format("It is [%b] that at least one negative number \n", 
          anyMatch);
      //Output: It is [true] that at least one negative number