root / org.gvsig.legend.aggregate / trunk / org.gvsig.legend.aggregate / org.gvsig.legend.aggregate.lib / org.gvsig.legend.aggregate.lib.impl / src / main / java / org / gvsig / legend / aggregate / lib / impl / operation / MinOperation.java @ 1846
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package org.gvsig.legend.aggregate.lib.impl.operation; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.legend.aggregate.lib.api.AbstractOperation; |
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public class MinOperation extends AbstractOperation { |
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private int min = 0; |
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public MinOperation() {
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super("_Minimun", "_Calculate_the_minimum_of_the_selected_attribute_for_the_grouped_features"); |
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} |
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@Override
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public boolean isAttributeRequiered() { |
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return true; |
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} |
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@Override
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public void reset() { |
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min = 0;
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} |
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@Override
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public void perform(Feature feature) { |
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try {
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int x = feature.getInt(this.getAttributeName()); |
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if( x > min ) {
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min = x; |
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} |
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} catch (Exception ex) { |
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} |
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} |
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@Override
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public Object getValue() { |
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return this.min; |
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} |
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} |