svn-gvsig-desktop / trunk / extensions / extCAD / src / com / iver / cit / gvsig / project / documents / table / operators / Sqrt.java @ 10254
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1 | 10254 | caballero | package com.iver.cit.gvsig.project.documents.table.operators; |
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2 | |||
3 | import org.apache.bsf.BSFException; |
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4 | import org.apache.bsf.BSFManager; |
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5 | |||
6 | import com.iver.cit.gvsig.ExpresionFieldExtension; |
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7 | import com.iver.cit.gvsig.project.documents.table.AbstractOperator; |
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8 | import com.iver.cit.gvsig.project.documents.table.IOperator; |
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9 | |||
10 | /**
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11 | * @author Vicente Caballero Navarro
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12 | */
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13 | public class Sqrt extends AbstractOperator{ |
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14 | |||
15 | public String addText(String s) { |
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16 | return toString()+"("+s+")"; |
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17 | } |
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18 | public String toString() { |
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19 | return "sqrt"; |
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20 | } |
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21 | public void eval(BSFManager interpreter) throws BSFException { |
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22 | interpreter.eval(ExpresionFieldExtension.BEANSHELL,null,-1,-1,"double sqrt(double value){return java.lang.Math.sqrt(value);};"); |
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23 | } |
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24 | public boolean isEnable() { |
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25 | return (getType()==IOperator.NUMBER);
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26 | } |
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27 | |||
28 | } |