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

Packages that use Expression
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
`protected Expression` | `JXPathCompiledExpression.getExpression()` Get the compiled expression.

Methods in org.apache.commons.jxpath.ri with parameters of type Expression
`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)` Get a pointer to the specified path/expression.
`Object` | `JXPathContextReferenceImpl.getValue(String xpath, Expression expr)` Get the value indicated.
`Object` | `JXPathContextReferenceImpl.getValue(String xpath, Expression expr, Class requiredType)` Get 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` | `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)` Set the value of xpath to value.

Constructors in org.apache.commons.jxpath.ri with parameters of type Expression
`JXPathCompiledExpression(String xpath, Expression expression)` Create 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
`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
`PredicateContext(EvalContext parentContext, Expression expression)` Create a new PredicateContext.

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

Subclasses of Expression in org.apache.commons.jxpath.ri.compiler
`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`
`class` | `NameAttributeTest` Captures the `foo[@name=expr]` expression.
`class` | `Operation`
`class` | `Path`
`class` | `VariableReference` An element of the compile tree holding a variable reference.

Fields in org.apache.commons.jxpath.ri.compiler declared as Expression
`protected Expression[]` | `Operation.args` Expression[] of arguments

Methods in org.apache.commons.jxpath.ri.compiler that return Expression
`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()` Get the arguments.
`Expression` | `ExpressionPath.getExpression()` Get the expression.
`Expression` | `NameAttributeTest.getNameTestExpression()` Get the name test expression.
`Expression[]` | `Step.getPredicates()` Get the predicates.
`Expression[]` | `ExpressionPath.getPredicates()` Predicates are the expressions in brackets that may follow the root expression of the path.

Methods in org.apache.commons.jxpath.ri.compiler with parameters of type Expression
`protected boolean` | `Path.areBasicPredicates(Expression[] predicates)` Learn 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
`CoreFunction(int functionCode, Expression[] args)` Create a new CoreFunction.
`CoreOperation(Expression[] args)` Create a new CoreOperation.
`CoreOperationAdd(Expression[] args)` Create a new CoreOperationAdd.
`CoreOperationAnd(Expression[] args)` Create a new CoreOperationAnd.
`CoreOperationCompare(Expression arg1, Expression arg2)` Create a new CoreOperationCompare.
`CoreOperationCompare(Expression arg1, Expression arg2, boolean invert)` Create a new CoreOperationCompare.
`CoreOperationDivide(Expression arg1, Expression arg2)` Create a new CoreOperationDivide.
`CoreOperationEqual(Expression arg1, Expression arg2)` Create a new CoreOperationEqual
`CoreOperationGreaterThan(Expression arg1, Expression arg2)` Create a new CoreOperationGreaterThan.
`CoreOperationGreaterThanOrEqual(Expression arg1, Expression arg2)` Create a new CoreOperationGreaterThanOrEqual.
`CoreOperationLessThan(Expression arg1, Expression arg2)` Create a new CoreOperationLessThan.
`CoreOperationLessThanOrEqual(Expression arg1, Expression arg2)` Create a new CoreOperationLessThanOrEqual.
`CoreOperationMod(Expression arg1, Expression arg2)` Create a new CoreOperationMod.
`CoreOperationMultiply(Expression arg1, Expression arg2)` Create a new CoreOperationMultiply.
`CoreOperationNegate(Expression arg)` Create a new CoreOperationNegate.
`CoreOperationNotEqual(Expression arg1, Expression arg2)` Create a new CoreOperationNotEqual.
`CoreOperationOr(Expression[] args)` Create a new CoreOperationOr.
`CoreOperationRelationalExpression(Expression[] args)` Create a new CoreOperationRelationalExpression.
`CoreOperationSubtract(Expression arg1, Expression arg2)` Create a new CoreOperationSubtract.
`CoreOperationUnion(Expression[] args)` Create a new CoreOperationUnion.
`ExpressionPath(Expression expression, Expression[] predicates, Step[] steps)` Create a new ExpressionPath.
`ExpressionPath(Expression expression, Expression[] predicates, Step[] steps)` Create a new ExpressionPath.
`ExtensionFunction(QName functionName, Expression[] args)` Create a new ExtensionFunction.
`NameAttributeTest(Expression namePath, Expression nameValue)` Create a new NameAttributeTest.
`Operation(Expression[] args)` Create a new Operation.
`Step(int axis, NodeTest nodeTest, Expression[] predicates)` Create a new Step.

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