svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / programming / MapFunction.java @ 45025
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1 | 44138 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.programming; |
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2 | 43512 | jjdelcerro | |
3 | 45025 | jjdelcerro | import java.util.ArrayList; |
4 | import java.util.List; |
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5 | 43512 | jjdelcerro | import org.apache.commons.lang3.Range; |
6 | 43939 | jjdelcerro | import org.gvsig.expressionevaluator.Function; |
7 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
8 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
9 | 45025 | jjdelcerro | import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_MAP; |
10 | import org.gvsig.tools.util.GetItemWithSize; |
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11 | import org.gvsig.tools.util.GetItemWithSize64; |
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12 | 43512 | jjdelcerro | |
13 | 45025 | jjdelcerro | public class MapFunction extends AbstractFunction { |
14 | 44138 | jjdelcerro | |
15 | 45025 | jjdelcerro | public MapFunction() {
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16 | 44138 | jjdelcerro | super(Function.GROUP_PROGRAMMING,
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17 | 45025 | jjdelcerro | FUNCTION_MAP, |
18 | Range.is(2),
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19 | 44098 | jjdelcerro | null,
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20 | 45025 | jjdelcerro | FUNCTION_MAP+"({{function}}, list)",
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21 | 44138 | jjdelcerro | null,
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22 | 45025 | jjdelcerro | "List",
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23 | 44098 | jjdelcerro | false
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24 | 43939 | jjdelcerro | ); |
25 | 43512 | jjdelcerro | } |
26 | |||
27 | @Override
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28 | 44138 | jjdelcerro | public boolean allowConstantFolding() { |
29 | return false; |
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30 | 43939 | jjdelcerro | } |
31 | 44138 | jjdelcerro | |
32 | 43939 | jjdelcerro | @Override
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33 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
34 | 45025 | jjdelcerro | GetItemWithSize64 list_in = this.getList(args, 1); |
35 | List<Object> list_out = new ArrayList<>(); |
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36 | Function func = (Function) this.getObject(args, 0); |
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37 | for (long i = 0; i < list_in.size64(); i++) { |
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38 | Object obj = list_in.get64(i);
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39 | Object v = func.call(interpreter, new Object[] { obj }); |
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40 | list_out.add(v); |
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41 | 45011 | jjdelcerro | } |
42 | 45025 | jjdelcerro | return list_out;
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43 | 45011 | jjdelcerro | } |
44 | |||
45 | 43512 | jjdelcerro | } |