Revision 41212 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/fmap/dal/feature/impl/DefaultFeatureAttributeDescriptor.java
| DefaultFeatureAttributeDescriptor.java | ||
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| 48 | 48 |
import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.dynobject.exception.DynFieldIsNotAContainerException; |
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import org.gvsig.tools.dynobject.exception.DynFieldValidateException; |
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import org.gvsig.tools.evaluator.AbstractEvaluator; |
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import org.gvsig.tools.evaluator.Evaluator; |
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import org.gvsig.tools.evaluator.EvaluatorData; |
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import org.gvsig.tools.evaluator.EvaluatorException; |
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import org.gvsig.tools.persistence.Persistent; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
| ... | ... | |
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FeatureAttributeGetter featureAttributeTransform) {
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this.featureAttributeGetter = featureAttributeTransform; |
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} |
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private class ConstantValueEvaluator extends AbstractEvaluator {
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public Object evaluate(EvaluatorData data) throws EvaluatorException {
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return defaultValue; |
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} |
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public String getName() {
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return "Constant attribute "+name; |
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} |
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} |
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public void setConstantValue(boolean isConstantValue) {
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if( isConstantValue ) {
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/* Cuando un attributo tiene asociado un evaluador, este se interpreta |
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* como que no debe cargarse de la fuente de datos subyacente, siendo |
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* el evaluador el que se encarga de proporcionar su valor. |
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* Nos limitamos a asignar un evaluador que retorna simpre el valor |
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* por defecto para ese attributo. |
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*/ |
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this.evaluator = new ConstantValueEvaluator(); |
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} else {
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this.evaluator = null; |
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} |
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} |
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} |
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