10 WHOLE-PART PATTERN

Car.java

public class Car
{
   public CarParts[] parts=new CarParts[10];
   int c=0;
   /**
   @roseuid 56553BC001D7
    */
    public Car()
    {
    System.out.println("Car is initialised and will get assembled now...\n");   
  }
 
   /**
   @roseuid 56553AFA020A
    */
  public void add(CarParts cp)
    {
    parts[c++]=cp;   
    }
   /**
   @roseuid 56553B060252
    */
  public void assemble()
    {
    for(int i=0;i<c;i++)
parts[i].display();
System.out.println("\nCar has been prepared...");   
  }
}

CarParts.java

public interface CarParts 

{

   

  /**

  @roseuid 56553B6E02AD

    */

    public void display();

}

//Source file: C:\\Program Files\\Java\\jdk1.7.0_80\\bin\\Engine.java

public class Engine implements CarParts

{

   

  /**

    @roseuid 56553BC002A4

    */

  public Engine() 

    {

    System.out.println("Engine created");

    }

   

    /**

  @roseuid 56553B980173

  */

  public void display() 

  {

    System.out.println("Engine added");

  }

}

Wheels.java

public class Wheels implements CarParts

{ 

   /**

   @roseuid 56553BC003C9

   */

   public Wheels() 

   {

    System.out.println("Wheels created");

   }

   /**

   @roseuid 56553B9D017F

   */

   public void display() 

   {

    System.out.println("Wheels added");

   }

}

WindShield.java

public class WindShield implements CarParts

{

   /**

   @roseuid 56553BC0032F

   */

   public WindShield() 

   {

    System.out.println("Wind-shield created");

   }

   /**

   @roseuid 56553B910256

   */

   public void display() 

   {

    System.out.println("Wind-shield added");

   }

}

Factory.java

public class Factory

{

   

   /**

   @roseuid 56553BC00113

    */

   public Factory() 

   {

    

   }

   

   /**

   @roseuid 56553AD60084

    */

   public static void main(String[] args) 

   {

    Car car=new Car();

Engine e=new Engine();

WindShield ws=new WindShield();

Wheels w=new Wheels();

car.add(e);

car.add(ws);

car.add(w);

car.assemble();

   }

}

11 MASTER-SLAVE PATTERN

Master.java

public class Master
{
private Resource resource;
private int sk=2;
private Resource res=new Resource();
private Slave[] slave=new Slave[sk];

public Resource getResource() {

return resource;
}

public void setResource(Resource theResource) {
resource = theResource;
}
public void slave()
{
}
        public void run()
{
for(int i=0;i<sk;i++)
slave[i]=new Slave(res);

for(int i=0;i<sk;i++)
slave[i].start();

for(int i=0;i<sk;i++)
{
try
{
slave[i].join();
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
finally
{
System.out.println(slave[i].getName()+"--has died");
}
}
System.out.println("Master Exiting now");
}
public void start() {
}
}

Slave.java

public class Slave extends Thread

{

private Resource resource;

private Resource sharedResource;

private Boolean done=false;

public void halt()

{

done=true;

}

public Slave(Resource res)

{

sharedResource=res;

}

protected boolean task()

{

int status=sharedResource.innerStatus();

return(status>7);

}

public Resource getResource() 

{

return resource;

}

public void setResource(Resource theResource) 

{

resource = theResource;

}

public void run() 

{

while(done!=true)

{

done=task();

try

{

Thread.sleep(500);

}

catch(Exception e)

{

}

}

}

}

Resource.java

public class Resource 

{

private TestMaster testmaster;

private int status=0;

public synchronized int innerStatus()

{

int local=status;

System.out.println("Ststus="+local);

local++;

try

{

Thread.sleep(500);

}

catch(Exception e)

{

}

status=local;

System.out.println("New Status="+local);

return status;

}

public TestMaster getTestmaster() 

{

return testmaster;

}

public void setTestmaster(TestMaster theTestmaster) 

{

testmaster = theTestmaster;

}

private Master master;

public Master getMaster() 

{

return master;

}

public void setMaster(Master theMaster) 

{

master = theMaster;

}

private Slave slave;

public Slave getSlave() 

{

return slave;

}

}

TestMaster.java

public class TestMaster 

{

private Resource resource;

public Resource getResource() 

{

return resource;

}

public void setResource(Resource theResource) 

{

resource = theResource;

}

public static void main(String args[]) 

{

Master ms=new Master();

ms.run();

}

}