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 / $HostExpressionFunction.java @ 46082
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package org.gvsig.expressionevaluator.impl.function.programming; |
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import org.apache.commons.lang3.Range; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.spi.AbstractFunction; |
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_$HOSTEXPRESSION; |
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public class $HostExpressionFunction extends AbstractFunction { |
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// https://docs.oracle.com/cd/A87860_01/doc/java.817/a83723/blangfe3.htm
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// Esta funcion esta pensada para dar soporte a la funcionadad de "Host expressions" de SQLJ
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public $HostExpressionFunction() { |
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super(Function.GROUP_PROGRAMMING,
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FUNCTION_$HOSTEXPRESSION,
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Range.is(2),
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"Returns the value passed as a parameter.\n",
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FUNCTION_$HOSTEXPRESSION+"({{expression}},mode_specifier)", |
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null,
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"Object",
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false
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); |
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} |
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@Override
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public boolean allowConstantFolding() { |
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return false; |
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} |
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@Override
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public Object call(Interpreter interpreter, final Object[] args) throws Exception { |
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return args[0]; |
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} |
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} |