Revision 14305 trunk/libraries/libFMap/src/com/iver/cit/gvsig/fmap/layers/layerOperations/InfoByPoint.java

View differences:

InfoByPoint.java
50 50 

  		




  51
  51
  
    

  		




  52
  52
  
    
/**


  		




  53
  
  
    
 * Interfaz a implementar por las capas que soporten la


  		




  54
  
  
    
 * operaci?n de petici?n de informaci?n por punto y cuyo


  		




  55
  
  
    
 * resultado sea un string, pudiendo estar formateado como


  		




  56
  
  
    
 * un XML dicho resultado


  		




  
  53
  
    
 * <p>Interface that must implement the layers which support the operation "<i>information by point</i>".</p>


  		




  
  54
  
    
 * <p>That operation allows get meta-information from a point and an area around, of a layer or map.</p>


  		




  57
  55
  
    
 */


  		




  58
  56
  
    
public interface InfoByPoint {


  		




  59
  57
  
    
	/**


  		




  60
  
  
    
	 * Realiza una consulta por punto en la capa


  		




  
  58
  
    
	 * <p>Executes a consultation about information of a point on the layer.</p>


  		




  
  59
  
    
	 * 


  		




  
  60
  
    
	 * <p>There is an area around the point where will get the information.</p>


  		




  61
  61
  
    
	 *


  		




  62
  
  
    
	 * @param p Punto que se consulta


  		




  63
  
  
    
	 *


  		




  64
  
  
    
	 * @return String con el resultado en texto plano o en XML


  		




  65
  
  
    
	 * @throws ReadDriverException


  		




  66
  
  
    
	 * @throws VisitorException TODO


  		




  67
  
  
    
	 * @throws LoadLayerException


  		




  68
  
  
    
	 * @throws DriverException


  		




  
  62
  
    
	 * @param p point where is the consultation


  		




  
  63
  
    
	 * @param tolerance permissible margin around the coordinates of the point where the method will get the information. Each


  		




  
  64
  
    
	 *  singular implementation of this method would use it in a different way. The coordinates also depend on the implementation.


  		




  
  65
  
    
	 * @param cancel object that implements the {@link Cancellable Cancellable} interface, and that allows cancel the draw</code>


  		




  
  66
  
    
	 * 


  		




  
  67
  
    
	 * @return an array with XML items that have the information of that point


  		




  
  68
  
    
	 * 


  		




  
  69
  
    
	 * @throws DriverException any exception produced using the driver.


  		




  69
  70
  
    
	 */


  		




  70
  71
  
    
	public XMLItem[] getInfo(Point p, double tolerance, Cancellable cancel) throws ReadDriverException, VisitorException, LoadLayerException;


  		




  71
  72
  
    
}


  		












Also available in:  Unified diff