Revision 47597

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trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.api/src/main/java/org/gvsig/fmap/dal/expressionevaluator/FeatureSymbolTable.java
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 *
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 * @author jjdelcerro
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 */
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public interface FeatureSymbolTable extends SymbolTable {
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public interface FeatureSymbolTable extends MutableSymbolTable {
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    public static final String SYMBOL_CURRENT_TABLE = "$TABLE";
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    public static final String SYMBOL_CURRENT_ROW = "$ROW";
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trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/DefaultFeatureRuleExpression.java
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package org.gvsig.expressionevaluator.impl;
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import javax.json.JsonObject;


  		




  
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import org.gvsig.expressionevaluator.Code;


  		




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import org.gvsig.expressionevaluator.Expression;


  		




  
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator;


  		




  
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager;


  		




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import org.gvsig.expressionevaluator.ExpressionUtils;


  		




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import org.gvsig.expressionevaluator.SymbolTable;


  		




  
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import org.gvsig.expressionevaluator.Interpreter;


  		




  
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import org.gvsig.expressionevaluator.Optimizer;


  		




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import org.gvsig.expressionevaluator.impl.symboltable.FeatureSymbolTableImpl;


  		




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import org.gvsig.fmap.dal.exception.DataException;


  		




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import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable;


  		




  ......




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    private Expression expression;


  		




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    private FeatureSymbolTable featureSymbolTable;


  		




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    private SymbolTable symbolTable;


  		




  
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    private Interpreter interpreter;


  		




  
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    private ExpressionEvaluatorManager manager;


  		




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    public DefaultFeatureRuleExpression() {


  		




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        super(null, null, false, false);


  		




  ......




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            boolean checkAtFinishEdition, Expression expression) {


  		




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        super(name, description, checkAtUpdate, checkAtFinishEdition);


  		




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        this.expression = expression;


  		




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        this.featureSymbolTable = new FeatureSymbolTableImpl();


  		




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        this.symbolTable = this.featureSymbolTable.createParent();


  		




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    }


  		




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    @Override


  		




  ......




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    @Override


  		




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    public void validate(EditableFeature feature, FeatureStore featureStore) throws DataException {


  		




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        this.featureSymbolTable.setFeature(feature);


  		




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        Object value = this.expression.execute(this.symbolTable);


  		




  
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        Object value = this.execute(feature);


  		




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        boolean ok = false;


  		




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        if (value != null) {


  		




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            if (value instanceof Boolean) {


  		




  ......




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        throw new ValidateFeaturesException(featureStore.getName(), null);


  		




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    }


  		




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    public Object execute(EditableFeature feature) {


  		




  
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        if (this.interpreter == null) {


  		




  
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            this.manager = ExpressionEvaluatorLocator.getExpressionEvaluatorManager();


  		




  
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            this.interpreter = this.manager.createInterpreter();


  		




  
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            this.featureSymbolTable = new FeatureSymbolTableImpl();


  		




  
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            this.featureSymbolTable.addSymbolTable(this.manager.createSymbolTable());            


  		




  
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            this.interpreter.setSymbolTable(this.featureSymbolTable);


  		




  
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            Optimizer optimizer = new DefaultOptimizer(this.manager, featureSymbolTable);


  		




  
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            Code code = optimizer.optimize(this.expression.getCode());


  		




  
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            this.interpreter.link(code);            


  		




  
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        }        


  		




  
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        this.featureSymbolTable.setFeature(feature);


  		




  
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        Code code_exp = this.expression.getCode();


  		




  
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        if( this.manager.hasHostExpressions(code_exp) ) {


  		




  
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            code_exp = this.manager.resolveHostExpressions(code_exp, interpreter);


  		




  
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        }


  		




  
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        Object x = this.interpreter.run(code_exp);


  		




  
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        return x;


  		




  
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    }


  		




  
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    public static void selfRegister() {


  		




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        Json.registerSerializer(FeatureRuleExpression.class);


  		




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        registerPersistenceDefinition();


  		




  ......




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            this.checkwhen.setBits(CHECK_WHEN_INSERT_OR_UPDATE_FEATURE);


  		




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        }


  		




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        this.expression = (Expression) state.get("expression");


  		




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        this.featureSymbolTable = new FeatureSymbolTableImpl();


  		




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        this.symbolTable = this.featureSymbolTable.createParent();


  		




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    }


  		




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    @Override


  		




  ......




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            this.checkwhen.setBits(CHECK_WHEN_INSERT_OR_UPDATE_FEATURE);


  		




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        }


  		




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        this.expression = ExpressionUtils.createExpression(json.getString("expression", null));


  		




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        this.featureSymbolTable = new FeatureSymbolTableImpl();


  		




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        this.symbolTable = this.featureSymbolTable.createParent();


  		




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    }


  		




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    @Override


  		












  

    
      trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/symboltable/FeatureSymbolTableImpl.java
    
  





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import org.gvsig.expressionevaluator.spi.AbstractSymbolTable;


  		




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import static org.gvsig.fmap.dal.DataManager.FUNCTION_CURRENT_ROW;


  		




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import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable;


  		




  
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import org.gvsig.fmap.dal.feature.EditableFeature;


  		




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import org.gvsig.fmap.dal.feature.Feature;


  		




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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;


  		




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import org.gvsig.fmap.dal.feature.FeatureStore;


  		




  ......




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      return null;


  		




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  }


  		




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  public void setVar(String name, Object value) {


  		




  
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      if (feature instanceof EditableFeature ) {


  		




  
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          if( this.feature.hasValue(name) ) {


  		




  
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              ((EditableFeature)this.feature).set(name, value);


  		




  
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              return;


  		




  
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          }


  		




  
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      }


  		




  
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      super.setVar(name, value);


  		




  
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  }


  		




  
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  @Override


  		




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  public boolean isSQLCompatible(String name) {


  		




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    if (this.type == null) {


  		












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