package jadex.bdi.examples.booktrading.common;
import jadex.commons.SimplePropertyChangeSupport;
import jadex.commons.service.clock.IClockService;
import jadex.commons.service.clock.ITimedObject;
import java.beans.PropertyChangeListener;
import java.util.Date;
/**
* The order for purchasing or selling books.
*/
public class Order
{
//-------- constants --------
/** The state open. */
public static final String OPEN = "open";
/** The state done. */
public static final String DONE = "done";
/** The state failed. */
public static final String FAILED = "failed";
//-------- attributes --------
/** The book title. */
protected String title;
/** The deadline. */
protected Date deadline;
/** The limit price. */
protected int limit;
/** The startprice. */
protected int startprice;
/** The starttime. */
protected long starttime;
/** The execution price. */
protected Integer exeprice;
/** The execution date. */
protected Date exedate;
/** The flag indicating if it is a buy (or sell) order. */
protected boolean buyorder;
/** The state. */
protected String state;
/** The clock. */
// public IExternalAccess clock;
protected IClockService clock;
/** The helper object for bean events. */
public SimplePropertyChangeSupport pcs;
//-------- constructors --------
/**
* Create a new order.
* @param title The title.
* @param deadline The deadline.
* @param limit The limit.
* @param start The start price
*/
public Order(String title, Date deadline, int start, int limit, boolean buyorder, IClockService clock)
{
this.title = title;
this.startprice = start;
this.limit = limit;
this.buyorder = buyorder;
this.starttime = clock.getTime();
this.clock = clock;
this.state = OPEN;
this.pcs = new SimplePropertyChangeSupport(this);
setDeadline(deadline);
}
//-------- methods --------
/**
* Get the title.
* @return The title.
*/
public String getTitle()
{
return title;
}
/**
* Set the title.
* @param title The title.
*/
public void setTitle(String title)
{
String oldtitle = this.title;
this.title = title;
pcs.firePropertyChange("title", oldtitle, title);
}
/**
* Get the deadline.
* @return The deadline.
*/
public Date getDeadline()
{
return deadline;
}
/**
* Set the deadline.
* @param deadline The deadline.
*/
public void setDeadline(Date deadline)
{
Date olddeadline = this.deadline;
this.deadline = deadline;
if(this.deadline!=null)
{
// System.out.println("Order: "+deadline.getTime()+" "+starttime);
final long wait = Math.max(0, deadline.getTime()-starttime);
clock.createTimer(wait , new ITimedObject()
{
public void timeEventOccurred(long currenttime)
{
synchronized(Order.this)
{
if(getState().equals(OPEN))
{
// System.out.println("Order state failed: "+wait+" "+Order.this);
setState(FAILED);
}
}
}
});
}
pcs.firePropertyChange("deadline", olddeadline, deadline);
}
/**
* Get the deadline time.
* @return The deadline time.
* /
public void getDeadlineTime()
{
return
}*/
/**
* Get the limit.
* @return The limit.
*/
public int getLimit()
{
return limit;
}
/**
* Set the limit.
* @param limit The limit.
*/
public void setLimit(int limit)
{
int oldlimit = this.limit;
this.limit = limit;
pcs.firePropertyChange("limit", oldlimit, limit);
}
/**
* Getter for startprice
* @return Returns startprice.
*/
public int getStartPrice()
{
return startprice;
}
/**
* Setter for startprice.
* @param startprice The Order.java value to set
*/
public void setStartPrice(int startprice)
{
int oldstartprice = this.startprice;
this.startprice = startprice;
pcs.firePropertyChange("startPrice", oldstartprice, startprice);
}
/**
* Get the start time.
* @return The start time.
*/
public long getStartTime()
{
return starttime;
}
/**
* Set the start time.
* @param starttime The start time.
*/
public void setStartTime(long starttime)
{
long oldstarttime = this.starttime;
this.starttime = starttime;
pcs.firePropertyChange("startTime", new Long(oldstarttime), new Long(starttime));
}
/**
* Get the execution price.
* @return The execution price.
*/
public Integer getExecutionPrice()
{
return exeprice;
}
/**
* Set the execution price.
* @param exeprice The execution price.
*/
public void setExecutionPrice(Integer exeprice)
{
Integer oldexeprice = this.exeprice;
this.exeprice = exeprice;
pcs.firePropertyChange("executionPrice", oldexeprice, exeprice);
}
/**
* Get the execution date.
* @return The execution date.
*/
public Date getExecutionDate()
{
return exedate;
}
/**
* Set the execution date.
* @param exedate The execution date.
*/
public void setExecutionDate(Date exedate)
{
Date oldexedate = this.exedate;
this.exedate = exedate;
pcs.firePropertyChange("executionDate", oldexedate, exedate);
}
/**
* Test if it is a buyorder.
* @return True, if buy order.
*/
public boolean isBuyOrder()
{
return buyorder;
}
/**
* Set the order type.
* @param buyorder True for buyorder.
*/
public void setBuyOrder(boolean buyorder)
{
boolean oldbuyorder = this.buyorder;
this.buyorder = buyorder;
pcs.firePropertyChange("buyOrder", oldbuyorder ? Boolean.TRUE : Boolean.FALSE, buyorder ? Boolean.TRUE : Boolean.FALSE);
}
/**
* Get the order state.
* @return The order state.
*/
public synchronized String getState()
{
// String state = FAILED;
// if(exedate != null)
// {
// state = DONE;
// }
// else if(clock.getTime() < deadline.getTime())
// {
// state = OPEN;
// }
return state;
}
/**
* Set the state.
* @param state The state.
*/
public synchronized void setState(String state)
{
String oldstate = this.state;
this.state = state;
// System.out.println("Order changed state: "+oldstate+" "+state);
pcs.firePropertyChange("state", oldstate, state);
}
/**
* Get a string representation of the order.
*/
public String toString()
{
StringBuffer sbuf = new StringBuffer();
sbuf.append(isBuyOrder() ? "Buy '" : "Sell '");
sbuf.append(getTitle());
sbuf.append("'");
return sbuf.toString();
}
//-------- property methods --------
/**
* Add a PropertyChangeListener to the listener list.
* The listener is registered for all properties.
*
* @param listener The PropertyChangeListener to be added.
*/
public void addPropertyChangeListener(PropertyChangeListener listener)
{
pcs.addPropertyChangeListener(listener);
}
/**
* Remove a PropertyChangeListener from the listener list.
* This removes a PropertyChangeListener that was registered
* for all properties.
*
* @param listener The PropertyChangeListener to be removed.
*/
public void removePropertyChangeListener(PropertyChangeListener listener)
{
pcs.removePropertyChangeListener(listener);
}
}