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java.lang.Objectunity.functions.Expression
unity.functions.Function
unity.functions.F_Length
public class F_Length
| Constructor Summary | |
|---|---|
F_Length(Expression exp)
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| Method Summary | |
|---|---|
java.lang.Object |
evaluate(Tuple t)
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static java.lang.String |
getFunctionName()
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static int[] |
getParamListTypes()
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int |
getReturnType()
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java.lang.String |
toString(Relation relation)
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| Methods inherited from class unity.functions.Function |
|---|
createHashName, findFunction, initializeFunctions, paramListToString, validateTypes, validateTypes |
| Methods inherited from class unity.functions.Expression |
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computeType, getAttributeIndexReferences, getChild, getExprLocs, getNumChildren, getParent, hasChildren, setParent, setReturnType, toString |
| Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public F_Length(Expression exp)
| Method Detail |
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public java.lang.Object evaluate(Tuple t)
evaluate in class Expressionpublic int getReturnType()
getReturnType in class Expressionpublic static int[] getParamListTypes()
public static java.lang.String getFunctionName()
public java.lang.String toString(Relation relation)
toString in class Expression
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