abstractmachinestate.java

来自「Java源码」· Java 代码 · 共 55 行

package AM.am_data_structure;

/**
 * Created by IntelliJ IDEA.
 * User: yellowicq
 * Date: 2004-4-27
 * Time: 12:37:10
 * To change this template use File | Settings | File Templates.
 */

public class AbstractMachineState {
  /**
   * @link aggregation
   */
  private DataArea da;

  /**
   * @link aggregation
   */
  private Program prog;

  /** @link dependency */
  /*# AbstractMachineFactory lnkAbstractMachineFactory; */

  public AbstractMachineState(AbstractMachineFactory factory) {
    prog = factory.CreateProgram();
    da = factory.CreateDataArea();
  }

  public DataArea getDataArea() {
    return da;
  }

  public Program getProgram() {
    return prog;
  }

  public void Init(Stream s) {
    da.Init();
    prog.Init();
    prog.LoadProgram(s);
  }

  public boolean Stop() {
    return prog.Stop() && da.Stop();
  }

  public void Transition() {
    while (!Stop()) {
      prog.CurrentInst().SI(this);
    }
  }

}