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java.lang.Object org.outerj.expression.AbstractExpression org.apache.cocoon.forms.expression.NullFunction
Returns null constant.
Field Summary |
Fields inherited from class org.outerj.expression.AbstractExpression |
arguments, column, line |
Constructor Summary | |
NullFunction()
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Method Summary | |
Object |
evaluate(org.outerj.expression.ExpressionContext context)
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String |
getDescription()
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Class |
getResultType()
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Methods inherited from class org.outerj.expression.AbstractExpression |
addArgument, addArgument, check, checkArgument, checkArguments, checkArgumentsOfSameType, checkNoArguments, getColumn, getLine, setPosition |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public NullFunction()
Method Detail |
public Object evaluate(org.outerj.expression.ExpressionContext context) throws org.outerj.expression.ExpressionException
org.outerj.expression.ExpressionException
public Class getResultType()
public String getDescription()
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