jadex.extension.envsupport.dataview.GeneralDataView2D3D Maven / Gradle / Ivy
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The Jadex kernel extension envsupport allows for using 2D spaces in concert with components.
package jadex.extension.envsupport.dataview;
import java.util.Map;
import jadex.extension.envsupport.environment.IEnvironmentSpace;
import jadex.extension.envsupport.environment.space2d.Space2D;
/**
* A general 2D view that presents all Objects in a Space2D to the observer.
*
*/
public class GeneralDataView2D3D implements IDataView
{
/** The space the view is connected to */
protected Space2D space;
/** The current objects */
protected Object[] objects;
/** Flag whether the view needs updating */
protected boolean dirty;
/** Internal lock */
protected Object monitor;
/**
* Creates a general 2D view that presents all Objects in a Space2D to the observer.
*/
public GeneralDataView2D3D()
{
dirty = true;
}
/**
* Init the space.
*/
public void init(IEnvironmentSpace space, Map props)
{
this.space = (Space2D)space;
this.monitor = this.space.getMonitor();
}
/**
* Returns the type of the view.
* @return type of the view
*/
public String getType()
{
return IDataView.SIMPLE_VIEW_2D;
}
/**
* Returns a list of objects in this view
* @return list of objects
*/
public Object[] getObjects()
{
synchronized (monitor)
{
if (dirty)
{
Space2D spc = (Space2D) space;
objects = spc.getSpaceObjects();
dirty = false;
}
return objects;
}
}
/**
* Updates the view.
*
* @param space the space of the view
*/
public void update(IEnvironmentSpace space)
{
synchronized(monitor)
{
dirty = true;
}
}
}