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java.lang.Objectcom.hp.hpl.jena.graph.query.Expression.Base
com.hp.hpl.jena.graph.query.Expression.Variable
An abstract base class for variable nodes; subclasses implement getName().
Nested Class Summary |
Nested classes inherited from class com.hp.hpl.jena.graph.query.Expression |
Expression.Application, Expression.Base, Expression.BoolConstant, Expression.Literal, Expression.Util, Expression.Valof, Expression.Variable |
Field Summary |
Fields inherited from interface com.hp.hpl.jena.graph.query.Expression |
FALSE, TRUE |
Constructor Summary | |
Expression.Variable()
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Method Summary | |
abstract java.lang.String |
getName()
If this Expression is a variable, answer a [non-null] String which is its name. |
boolean |
isVariable()
Answer true iff this Expression represents a variable. |
Methods inherited from class com.hp.hpl.jena.graph.query.Expression.Base |
argCount, getArg, getFun, getValue, isApply, isLiteral, prepare |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface com.hp.hpl.jena.graph.query.Expression |
evalBool |
Constructor Detail |
public Expression.Variable()
Method Detail |
public boolean isVariable()
Expression
isVariable
in interface Expression
isVariable
in class Expression.Base
public abstract java.lang.String getName()
Expression
getName
in interface Expression
getName
in class Expression.Base
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