public abstract class Literal extends AbstractExpression
Constructor and Description |
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Literal() |
Modifier and Type | Method and Description |
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static Literal |
getLiteral(java.lang.Object val)
Return the given object as a new Literal instance.
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static Literal |
getLiteral(java.lang.Object val,
java.lang.Class type)
Return the given object as a new Literal instance.
|
static Literal |
getLiteral(Tuple t,
java.lang.String field)
Evaluate the given tuple and data field and return the
result as a new Literal instance.
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addChildListeners, addExpressionListener, expressionChanged, fireExpressionChange, get, getBoolean, getDouble, getFloat, getInt, getLong, hasListeners, removeChildListeners, removeExpressionListener, visit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getType
public static Literal getLiteral(Tuple t, java.lang.String field)
t
- the Tuplefield
- the data field to lookuppublic static Literal getLiteral(java.lang.Object val)
val
- the object valuepublic static Literal getLiteral(java.lang.Object val, java.lang.Class type)
val
- the object valuetype
- the type the literal should takeCopyright ? 2013 Regents of the University of California