Examples of org.geotools.feature.visitor.MaxVisitor

org.geotools.feature.visitor.MaxVisitor
Calculates the maximum value of an attribute. @author Cory Horner, Refractions Research Inc. @since 2.2.M2 @source $URL$

            DimensionDefaultValueSelectionStrategy delegateStrategy, DimensionDescriptor dd) {
        String sa = dd.getStartAttribute();
        String ea = dd.getEndAttribute();
        if (delegateStrategy instanceof CoverageMaximumValueSelectionStrategyImpl) {
            if (ea != null) {
                return new MaxVisitor(ea);
            } else {
                return new MaxVisitor(sa);
            }
        } else if (delegateStrategy instanceof CoverageMinimumValueSelectionStrategyImpl) {
            return new MinVisitor(sa);
        } else if (delegateStrategy instanceof CoverageNearestValueSelectionStrategyImpl) {
            CoverageNearestValueSelectionStrategyImpl impl = (CoverageNearestValueSelectionStrategyImpl) delegateStrategy;

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    }


    @Override
    public <T> T getDefaultValue(ResourceInfo resource, String dimensionName,
            DimensionInfo dimension, Class<T> clz) {
        final MaxVisitor max = new MaxVisitor(dimension.getAttribute());
        CalcResult res = getCalculatedResult((FeatureTypeInfo) resource, dimension, max);
        if (res.equals(CalcResult.NULL_RESULT)) {
            return null;
        } else {
            return Converters.convert(max.getMax(),clz);
        }
    }

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            collection.accepts(min, null);
            CalcResult minResult = min.getResult();
            // check calcresult first to avoid potential IllegalStateException if no features are in collection
            if (minResult != CalcResult.NULL_RESULT) {
                result.add((Date) min.getMin());
                final MaxVisitor max = new MaxVisitor(time.getAttribute());
                collection.accepts(max, null);
                result.add((Date) max.getMax());
            }
        }


        return result;
    }

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            collection.accepts(min, null);
            // check calcresult first to avoid potential IllegalStateException if no features are in collection
            CalcResult calcResult = min.getResult();
            if (calcResult != CalcResult.NULL_RESULT) {
                result.add(((Number) min.getMin()).doubleValue());
                final MaxVisitor max = new MaxVisitor(elevation.getAttribute());
                collection.accepts(max, null);
                result.add(((Number) max.getMax()).doubleValue());
            }
        }


        return result;
    }

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