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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 / ToLongFunction.java @ 46104

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package org.gvsig.expressionevaluator.impl.function.typeconversion;
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import org.apache.commons.lang3.Range;
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_TOLONG;
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import static org.gvsig.expressionevaluator.Function.GROUP_CONVERSION;
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import org.gvsig.expressionevaluator.Interpreter;
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import org.gvsig.expressionevaluator.spi.AbstractFunction;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.dataTypes.DataTypes;
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import org.gvsig.tools.dataTypes.Coercion;
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public class ToLongFunction extends AbstractFunction {
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    public ToLongFunction() {
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        super(GROUP_CONVERSION, FUNCTION_TOLONG, Range.is(1), null, null, null, "Long", true);
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    }
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    @Override
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    public boolean allowConstantFolding() {
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        return true;
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    }
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    @Override
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    public Object call(Interpreter interpreter, Object[] args) throws Exception {
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        Coercion toStr = ToolsLocator.getDataTypesManager().getCoercion(DataTypes.LONG);
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        Object value = toStr.coerce(this.getObject(args, 0));
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        return value;
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    }
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}