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);
```

            
            final String type = "Within";
            
            start(type);
            left.accept(this,extraData);
            right.accept(this,extraData);
            end(type);
            return extraData;
        }


        public Object visitNullFilter(Object extraData) {

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                Filter filter = (Filter) o;
                filter.accept( this, null);
            }
            else if (o instanceof Expression) {
                Expression expression = (Expression) o;
                expression.accept( this, null );
            }
            else { 
                throw new IllegalArgumentException("Cannot encode " + (o == null ? "null" : o.getClass().getName())+" should be Filter or Expression");
            }
        }

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        String pattern = escapeSpecialCharacters(filter.getLiteral(), filter.getEscape());
        pattern = pattern.replace(filter.getWildCard(), ".*");
        pattern = pattern.replace(filter.getSingleChar(), ".{1,1}");
        Expression expr = filter.getExpression();
        ExpressionToSolr visitor = new ExpressionToSolr();
        expr.accept(visitor, output);
        output.append(":/");
        output.append(pattern);
        output.append("/ ");
        return output;
    }

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            checkExpressionIsProperty(e1);
            checkExpressionIsLiteral(e2);
            PropertyName propertyName = (PropertyName) e1;
            propertyName.accept(visitor, output);
            output.append(":{");
            e2.accept(visitor, output);
            output.append(" TO *}");
        }
        if (filter instanceof Before) {
            checkExpressionIsProperty(e1);
            checkExpressionIsLiteral(e2);

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            checkExpressionIsProperty(e1);
            checkExpressionIsLiteral(e2);
            PropertyName propertyName = (PropertyName) e1;
            propertyName.accept(visitor, output);
            output.append(":{* TO ");
            e2.accept(visitor, output);
            output.append("}");
        }
        if (filter instanceof Begins || filter instanceof Ends || filter instanceof TEquals) {
            checkExpressionIsProperty(e1);
            checkExpressionIsLiteral(e2);

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            checkExpressionIsProperty(e1);
            checkExpressionIsLiteral(e2);
            PropertyName propertyName = (PropertyName) e1;
            propertyName.accept(visitor, output);
            output.append(":");
            e2.accept(visitor, output);
        }
        if (filter instanceof BegunBy || filter instanceof EndedBy) {
            checkExpressionIsProperty(e2);
            checkExpressionIsLiteral(e1);
            PropertyName propertyName = (PropertyName) e2;

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            checkExpressionIsProperty(e1);
            checkExpressionIsLiteral(e2);
            PropertyName propertyName = (PropertyName) e1;
            propertyName.accept(visitor, output);
            output.append(":{");
            e2.accept(visitor, output);
            output.append("}");
        }
        if (filter instanceof TContains) {
            checkExpressionIsProperty(e2);
            checkExpressionIsLiteral(e1);

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        checkExpressionIsLiteral(e2);
        ExpressionToSolr visitor = new ExpressionToSolr();
        e1.accept(visitor, extraData);
        if (filter instanceof BBOX) {
            output.append(":\"Intersects(");
            e2.accept(visitor, extraData);
            output.append(")\"");
        } else if (filter instanceof Disjoint) {
            output.append(":\"IsDisjointTo(");
            e2.accept(visitor, extraData);
            output.append(")\"");

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            output.append(":\"Intersects(");
            e2.accept(visitor, extraData);
            output.append(")\"");
        } else if (filter instanceof Disjoint) {
            output.append(":\"IsDisjointTo(");
            e2.accept(visitor, extraData);
            output.append(")\"");
        } else if (filter instanceof Within) {
            output.append(":\"IsWithin(");
            e2.accept(visitor, extraData);
            output.append(")\"");

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            output.append(":\"IsDisjointTo(");
            e2.accept(visitor, extraData);
            output.append(")\"");
        } else if (filter instanceof Within) {
            output.append(":\"IsWithin(");
            e2.accept(visitor, extraData);
            output.append(")\"");
        } else if (filter instanceof Intersects) {
            output.append(":\"Intersects(");
            e2.accept(visitor, extraData);
            output.append(")\"");

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