Package org.jaxen.expr
Class DefaultMinusExpr
- java.lang.Object
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- org.jaxen.expr.DefaultExpr
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- org.jaxen.expr.DefaultBinaryExpr
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- org.jaxen.expr.DefaultArithExpr
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- org.jaxen.expr.DefaultAdditiveExpr
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- org.jaxen.expr.DefaultMinusExpr
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- All Implemented Interfaces:
java.io.Serializable
,AdditiveExpr
,BinaryExpr
,Expr
class DefaultMinusExpr extends DefaultAdditiveExpr
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
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Constructor Summary
Constructors Constructor Description DefaultMinusExpr(Expr lhs, Expr rhs)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
evaluate(Context context)
Evaluate the expression in the given context, and return the result.java.lang.String
getOperator()
Returns the operator for the binary expression such as "+" or "div".-
Methods inherited from class org.jaxen.expr.DefaultAdditiveExpr
toString
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Methods inherited from class org.jaxen.expr.DefaultBinaryExpr
getLHS, getRHS, getText, setLHS, setRHS, simplify
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Methods inherited from class org.jaxen.expr.DefaultExpr
convertToIterator, convertToList
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.jaxen.expr.BinaryExpr
getLHS, getRHS
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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Method Detail
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getOperator
public java.lang.String getOperator()
Description copied from interface:BinaryExpr
Returns the operator for the binary expression such as "+" or "div".- Specified by:
getOperator
in interfaceBinaryExpr
- Specified by:
getOperator
in classDefaultBinaryExpr
- Returns:
- the operator for the expression
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evaluate
public java.lang.Object evaluate(Context context) throws JaxenException
Description copied from interface:Expr
Evaluate the expression in the given context, and return the result. The result will be ajava.lang.Double
for expressions that return a number, ajava.lang.String
for expressions that return a string, ajava.lang.Boolean
for expressions that return a boolean, and ajava.util.List
for expressions that return a node-set. In the latter case, the elements of the list are the actual objects from the source document model. Copies are not made.- Parameters:
context
- the context in which the expression is evaluated- Returns:
- an object representing the result of the evaluation
- Throws:
JaxenException
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