Package org.jaxen.expr
Class DefaultEqualityExpr
- 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.DefaultTruthExpr
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- org.jaxen.expr.DefaultEqualityExpr
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- All Implemented Interfaces:
java.io.Serializable
,BinaryExpr
,EqualityExpr
,Expr
- Direct Known Subclasses:
DefaultEqualsExpr
,DefaultNotEqualsExpr
abstract class DefaultEqualityExpr extends DefaultTruthExpr implements EqualityExpr
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Constructor Summary
Constructors Constructor Description DefaultEqualityExpr(Expr lhs, Expr rhs)
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Method Summary
All Methods Instance Methods Abstract 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.protected abstract boolean
evaluateObjectObject(java.lang.Object lhs, java.lang.Object rhs)
private boolean
evaluateObjectObject(java.lang.Object lhs, java.lang.Object rhs, Navigator nav)
private java.lang.Boolean
evaluateSetSet(java.util.List lhsSet, java.util.List rhsSet, Navigator nav)
java.lang.String
toString()
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Methods inherited from class org.jaxen.expr.DefaultTruthExpr
bothAreBoolean, bothAreSets, eitherIsBoolean, eitherIsNumber, eitherIsSet, isBoolean, isSet, setIsEmpty
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Methods inherited from class org.jaxen.expr.DefaultBinaryExpr
getLHS, getOperator, 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, getOperator, getRHS
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Method Detail
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toString
public java.lang.String toString()
- Overrides:
toString
in classDefaultTruthExpr
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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.- Specified by:
evaluate
in interfaceExpr
- 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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evaluateSetSet
private java.lang.Boolean evaluateSetSet(java.util.List lhsSet, java.util.List rhsSet, Navigator nav)
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evaluateObjectObject
private boolean evaluateObjectObject(java.lang.Object lhs, java.lang.Object rhs, Navigator nav)
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evaluateObjectObject
protected abstract boolean evaluateObjectObject(java.lang.Object lhs, java.lang.Object rhs)
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