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 / typeconversion / ToStrFunction.java @ 44198
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1 | 44139 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.typeconversion; |
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2 | 43512 | jjdelcerro | |
3 | import org.apache.commons.lang3.Range; |
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4 | 44198 | jjdelcerro | import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_TOSTR; |
5 | 43521 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
6 | 43512 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
7 | 44139 | jjdelcerro | import org.gvsig.tools.ToolsLocator; |
8 | import org.gvsig.tools.dataTypes.DataTypes; |
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9 | import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
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10 | 43512 | jjdelcerro | |
11 | 44198 | jjdelcerro | public class ToStrFunction extends AbstractFunction { |
12 | 43512 | jjdelcerro | |
13 | 44198 | jjdelcerro | public ToStrFunction() {
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14 | super(GROUP_CONVERSION, FUNCTION_TOSTR, Range.is(1)); |
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15 | this.addAlias("STR"); |
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16 | 44139 | jjdelcerro | this.addAlias("toString"); |
17 | 43512 | jjdelcerro | } |
18 | |||
19 | @Override
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20 | 44009 | jjdelcerro | public boolean allowConstantFolding() { |
21 | return true; |
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22 | } |
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23 | |||
24 | @Override
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25 | 43521 | jjdelcerro | public Object call(Interpreter interpreter, Object[] args) throws Exception { |
26 | 44139 | jjdelcerro | Coercion toStr = ToolsLocator.getDataTypesManager().getCoercion(DataTypes.STRING); |
27 | Object value = toStr.coerce(this.getObject(args, 0)); |
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28 | return value;
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29 | 43512 | jjdelcerro | } |
30 | |||
31 | } |