Uses of Class
org.apache.commons.jxpath.ri.compiler.Expression

Packages that use Expression

Package	Description
org.apache.commons.jxpath.ri	Reference implementation of JXPath.
org.apache.commons.jxpath.ri.axes	Implementations of EvalContext used for different XPath axes (child::, parent:: etc).
org.apache.commons.jxpath.ri.compiler	XPath parse tree.

Uses of Expression in org.apache.commons.jxpath.ri

Methods in org.apache.commons.jxpath.ri that return Expression

Modifier and Type	Method	Description
protected Expression	JXPathCompiledExpression.getExpression()	Gets the compiled expression.

Methods in org.apache.commons.jxpath.ri with parameters of type Expression

Modifier and Type	Method	Description
Pointer	JXPathContextReferenceImpl.createPath(String xpath, Expression expr)	Create the given path.
Pointer	JXPathContextReferenceImpl.createPathAndSetValue(String xpath, Expression expr, Object value)	Create the given path setting its value to value.
Pointer	JXPathContextReferenceImpl.getPointer(String xpath, Expression expr)	Gets a pointer to the specified path/expression.
Object	JXPathContextReferenceImpl.getValue(String xpath, Expression expr)	Gets the value indicated.
Object	JXPathContextReferenceImpl.getValue(String xpath, Expression expr, Class requiredType)	Gets the value indicated.
Iterator	JXPathContextReferenceImpl.iterate(String xpath, Expression expr)	Traverses the XPath and returns a Iterator of all results found for the path.
Iterator<Pointer>	JXPathContextReferenceImpl.iteratePointers(String xpath, Expression expr)	Traverses the XPath and returns an Iterator of Pointers.
void	JXPathContextReferenceImpl.removeAll(String xpath, Expression expr)	Remove all matching nodes.
void	JXPathContextReferenceImpl.removePath(String xpath, Expression expr)	Remove the specified path.
void	JXPathContextReferenceImpl.setValue(String xpath, Expression expr, Object value)	Sets the value of XPath to value.

Constructors in org.apache.commons.jxpath.ri with parameters of type Expression

Modifier	Constructor	Description
	JXPathCompiledExpression(String xpath, Expression expression)	Constructs a new JXPathCompiledExpression.

Uses of Expression in org.apache.commons.jxpath.ri.axes

Methods in org.apache.commons.jxpath.ri.axes with parameters of type Expression

Modifier and Type	Method	Description
static NodePointer	SimplePathInterpreter.interpretSimpleExpressionPath(EvalContext context, NodePointer root, Expression[] predicates, Step[] steps)	Interpret the steps of a simple expression path that starts with the given root, which is the result of evaluation of the root expression of the expression path, applies the given predicates to it and then follows the given steps.

Constructors in org.apache.commons.jxpath.ri.axes with parameters of type Expression

Modifier	Constructor	Description
	PredicateContext(EvalContext parentContext, Expression expression)	Constructs a new PredicateContext.

Uses of Expression in org.apache.commons.jxpath.ri.compiler

Subclasses of Expression in org.apache.commons.jxpath.ri.compiler

Modifier and Type	Class	Description
class	Constant	A compile tree element containing a constant number or string.
class	CoreFunction	An element of the compile tree representing one of built-in functions like "position()" or "number()".
class	CoreOperation	The common subclass for tree elements representing core operations like "+", "- ", "*" etc.
class	CoreOperationAdd	Implementation of Expression for the operation "+".
class	CoreOperationAnd	Implementation of Expression for the operation "and".
class	CoreOperationCompare	Common superclass for the implementations of Expression for the operations "=" and "!
class	CoreOperationDivide	Implementation of Expression for the operation "div".
class	CoreOperationEqual	Implementation of Expression for the operation "=".
class	CoreOperationGreaterThan	Implementation of Expression for the operation ">".
class	CoreOperationGreaterThanOrEqual	Implementation of Expression for the operation ">=".
class	CoreOperationLessThan	Implementation of Expression for the operation "<".
class	CoreOperationLessThanOrEqual	Implementation of Expression for the operation "<=".
class	CoreOperationMod	Implementation of Expression for the operation "mod".
class	CoreOperationMultiply	Implementation of Expression for the operation "*".
class	CoreOperationNegate	Implementation of Expression for the operation unary "-".
class	CoreOperationNotEqual	Implementation of Expression for the operation "!
class	CoreOperationOr	Implementation of Expression for the operation "or".
class	CoreOperationRelationalExpression	Base implementation of Expression for the operations ">", ">=", "<", "<=".
class	CoreOperationSubtract	Implementation of Expression for the operation "-".
class	CoreOperationUnion	Implementation of Expression for the operation "|".
class	ExpressionPath	An element of the parse tree that represents an expression path, which is a path that starts with an expression like a function call: getFoo(.) /bar.
class	ExtensionFunction	Represents an element of the parse tree representing an extension function call.
class	LocationPath	A location path expression.
class	NameAttributeTest	Captures the foo[@name=<em>expr</em>] expression.
class	Operation	Abstract operation expressions.
class	Path	Abstracts path expressions.
class	VariableReference	An element of the compile tree holding a variable reference.

Fields in org.apache.commons.jxpath.ri.compiler declared as Expression

Modifier and Type	Field	Description
protected Expression[]	Operation.args	Expression[] of arguments

Methods in org.apache.commons.jxpath.ri.compiler that return Expression

Modifier and Type	Method	Description
Expression	CoreFunction.getArg1()	Convenience method to return the first argument.
Expression	CoreFunction.getArg2()	Convenience method to return the second argument.
Expression	CoreFunction.getArg3()	Convenience method to return the third argument.
Expression[]	Operation.getArguments()	Gets the arguments.
Expression	ExpressionPath.getExpression()	Gets the expression.
Expression	NameAttributeTest.getNameTestExpression()	Gets the name test expression.
Expression[]	ExpressionPath.getPredicates()	Predicates are the expressions in brackets that may follow the root expression of the path.
Expression[]	Step.getPredicates()	Gets the predicates.

Methods in org.apache.commons.jxpath.ri.compiler with parameters of type Expression

Modifier and Type	Method	Description
protected boolean	Path.areBasicPredicates(Expression[] predicates)	Tests whether the elements of the specified array are "basic" predicates.
protected boolean	CoreOperationCompare.equal(EvalContext context, Expression left, Expression right)	Compares two values.

Constructors in org.apache.commons.jxpath.ri.compiler with parameters of type Expression

Modifier	Constructor	Description
	CoreFunction(int functionCode, Expression[] args)	Constructs a new CoreFunction.
	CoreOperation(Expression[] args)	Constructs a new CoreOperation.
	CoreOperationAdd(Expression[] args)	Constructs a new CoreOperationAdd.
	CoreOperationAnd(Expression[] args)	Constructs a new CoreOperationAnd.
	CoreOperationCompare(Expression arg1, Expression arg2)	Constructs a new CoreOperationCompare.
protected	CoreOperationCompare(Expression arg1, Expression arg2, boolean invert)	Constructs a new CoreOperationCompare.
	CoreOperationDivide(Expression arg1, Expression arg2)	Constructs a new CoreOperationDivide.
	CoreOperationEqual(Expression arg1, Expression arg2)	Constructs a new CoreOperationEqual
	CoreOperationGreaterThan(Expression arg1, Expression arg2)	Constructs a new CoreOperationGreaterThan.
	CoreOperationGreaterThanOrEqual(Expression arg1, Expression arg2)	Constructs a new CoreOperationGreaterThanOrEqual.
	CoreOperationLessThan(Expression arg1, Expression arg2)	Constructs a new CoreOperationLessThan.
	CoreOperationLessThanOrEqual(Expression arg1, Expression arg2)	Constructs a new CoreOperationLessThanOrEqual.
	CoreOperationMod(Expression arg1, Expression arg2)	Constructs a new CoreOperationMod.
	CoreOperationMultiply(Expression arg1, Expression arg2)	Constructs a new CoreOperationMultiply.
	CoreOperationNegate(Expression arg)	Constructs a new CoreOperationNegate.
	CoreOperationNotEqual(Expression arg1, Expression arg2)	Constructs a new CoreOperationNotEqual.
	CoreOperationOr(Expression[] args)	Constructs a new CoreOperationOr.
protected	CoreOperationRelationalExpression(Expression[] args)	Constructs a new CoreOperationRelationalExpression.
	CoreOperationSubtract(Expression arg1, Expression arg2)	Constructs a new CoreOperationSubtract.
	CoreOperationUnion(Expression[] args)	Constructs a new CoreOperationUnion.
	ExpressionPath(Expression expression, Expression[] predicates, Step[] steps)	Constructs a new ExpressionPath.
	ExtensionFunction(QName functionName, Expression[] args)	Constructs a new ExtensionFunction.
	NameAttributeTest(Expression namePath, Expression nameValue)	Constructs a new NameAttributeTest.
	Operation(Expression[] args)	Constructs a new Operation.
protected	Step(int axis, NodeTest nodeTest, Expression[] predicates)	Constructs a new Step.