Examples of org.opengis.filter.expression.Expression.accept()

Class org.opengis.filter.expression.Expression

Examples of org.opengis.filter.expression.Expression.accept()

org.opengis.filter.expression.Expression.accept()
Accepts a visitor. Subclasses must implement with a method whose content is the following:
```
return visitor. {@linkplain ExpressionVisitor#visit visit}(this, extraData);
```

            postStack.push(filter);
  
              return;
          }
  
      rightValue.accept(this, null);
  
          if (i < postStack.size()) {
            preStack.pop(); // left
            postStack.pop();
            postStack.push(filter);

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          if( leftGeometry==null || rightGeometry==null ){
            postStack.push(filter);
            return;
          }
      leftGeometry.accept(this,null);
  
          if (i < postStack.size()) {
            postStack.pop();
            postStack.push(filter);

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            postStack.push(expression);
  
              return;
          }
  
          rightValue.accept(this, null);
  
          if (i < postStack.size()) {
            preStack.pop(); // left
            postStack.pop();
            postStack.push(expression);

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            postStack.push(filter);


            return null;
        }


        rightValue.accept(this, null);


        if (i < postStack.size()) {
            preStack.pop(); // left
            postStack.pop();
            postStack.push(filter);

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                ex.accept(extractor, null);
            }
        } else {
            for (String name : query.getPropertyNames()) {
                Expression ex = expressions.get(name);
                ex.accept(extractor, null);
            }
        }


        attributes.addAll(extractor.getAttributeNameSet());
        return attributes.toArray(new String[attributes.size()]);

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        Set<String> names = new HashSet<String>();
        // used to collect names from expression1, expression2, and filter
        
        expression1.accept(extract, names);
        expression2.accept(extract, names);
        filter.accept(extract, names);
        
        String array[] = extract.getAttributeNames();
        Set<String> attributes = extract.getAttributeNameSet();
        Set<PropertyName> properties = extract.getPropertyNameSet();

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        PropertyName name = toType(eExpressionStack.pop(), PropertyName.class,
                "PropertyIsBetween expression is not a PropertyName");
        lowerbounds.accept(this, type);
        Literal lower = toLiteral(eExpressionStack.pop(),
                "PropertyIsBetween lower bound expression is not a Literal");
        upperbounds.accept(this, type);
        Literal upper = toLiteral(eExpressionStack.pop(),
                "PropertyIsBetween upper bound expression is not a Literal");
        //
        // Get EAttribute instance from definition
        //

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            throw new RuntimeException("Type " + type + " not supported.");
        }


        // Build expression recursively and put onto expression stack
        //
        expr.accept(this, extraData);


        // Cast expression to PropertyName
        //
        PropertyName name = toType(eExpressionStack.pop(), PropertyName.class,
                "PropertyIsLike expression is not a PropertyName");

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        //
        Expression expr = filter.getExpression();


        // Build expression recursively and put onto expression stack
        //
        expr.accept(this, extraData);


        // Get PropertyName instance
        //
        PropertyName name = toType(eExpressionStack.pop(), PropertyName.class,
                "PropertyIsNull expression is not a PropertyName");

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            mid.accept(this, extraData);
            start("LowerBoundary");
            left.accept(this, extraData);
            end("LowerBoundary");
            start("UpperBoundary");
            right.accept(this, extraData);
            end("UpperBoundary");
            end(type);
            
            return extraData;
        }

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