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root / trunk / libraries / libExpressions / src / main / java / org / gvsig / operators / Minus.java @ 23299

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package org.gvsig.operators;
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import org.apache.bsf.BSFException;
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import org.apache.bsf.BSFManager;
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import org.gvsig.baseclasses.AbstractOperator;
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import org.gvsig.baseclasses.IOperator;
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/**
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 * @author Vicente Caballero Navarro
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 */
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public class Minus extends AbstractOperator{
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        public String addText(String s) {
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                return s.concat(toString());
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        }
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        public String toString() {
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                return "-";
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        }
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        public void eval(BSFManager interpreter) throws BSFException {
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        }
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        public boolean isEnable() {
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                return (getType()==IOperator.NUMBER);
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        }
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        public String getTooltip(){
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                return "operator"+":  "+addText("")+"\n"+getDescription();
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        }
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        public String getDescription() {
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        return  "returns" + ": " +
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         "numeric_value" + "\n" +
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        "description" + ": " +
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        "Returns the result of rest.";
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    }
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}