org.gvsig.tools.evaluator
Class AbstractEvaluator

java.lang.Object
  extended by org.gvsig.tools.evaluator.AbstractEvaluator
All Implemented Interfaces:
Evaluator
Direct Known Subclasses:
AndEvaluator

public abstract class AbstractEvaluator
extends Object
implements Evaluator


Constructor Summary
AbstractEvaluator()
           
 
Method Summary
 String getDescription()
          Get a description of the action performed with the evaluator.
 EvaluatorFieldsInfo getFieldsInfo()
          Get information about fiels used in the evaluator.
 String getSQL()
          Get a SQL representation of the evaluator.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.gvsig.tools.evaluator.Evaluator
evaluate, getName
 

Constructor Detail

AbstractEvaluator

public AbstractEvaluator()
Method Detail

getDescription

public String getDescription()
Description copied from interface: Evaluator
Get a description of the action performed with the evaluator.

Specified by:
getDescription in interface Evaluator
Returns:
evaluator's description

getSQL

public String getSQL()
Description copied from interface: Evaluator
Get a SQL representation of the evaluator.

Specified by:
getSQL in interface Evaluator
Returns:
the SQL string or null if not supported.

getFieldsInfo

public EvaluatorFieldsInfo getFieldsInfo()
Description copied from interface: Evaluator
Get information about fiels used in the evaluator.

Specified by:
getFieldsInfo in interface Evaluator
Returns:


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