java.lang.Object
- org.apache.commons.jxpath.ri.compiler.TreeCompiler

All Implemented Interfaces:

Compiler
```
public class TreeCompiler
extends Object
implements Compiler
```
Version:

$Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $

Author:

Dmitri Plotnikov

Field Summary
- Fields inherited from interface org.apache.commons.jxpath.ri.Compiler
  AXIS_ANCESTOR, AXIS_ANCESTOR_OR_SELF, AXIS_ATTRIBUTE, AXIS_CHILD, AXIS_DESCENDANT, AXIS_DESCENDANT_OR_SELF, AXIS_FOLLOWING, AXIS_FOLLOWING_SIBLING, AXIS_NAMESPACE, AXIS_PARENT, AXIS_PRECEDING, AXIS_PRECEDING_SIBLING, AXIS_SELF, FUNCTION_BOOLEAN, FUNCTION_CEILING, FUNCTION_CONCAT, FUNCTION_CONTAINS, FUNCTION_COUNT, FUNCTION_FALSE, FUNCTION_FLOOR, FUNCTION_FORMAT_NUMBER, FUNCTION_ID, FUNCTION_KEY, FUNCTION_LANG, FUNCTION_LAST, FUNCTION_LOCAL_NAME, FUNCTION_NAME, FUNCTION_NAMESPACE_URI, FUNCTION_NORMALIZE_SPACE, FUNCTION_NOT, FUNCTION_NULL, FUNCTION_NUMBER, FUNCTION_POSITION, FUNCTION_ROUND, FUNCTION_STARTS_WITH, FUNCTION_STRING, FUNCTION_STRING_LENGTH, FUNCTION_SUBSTRING, FUNCTION_SUBSTRING_AFTER, FUNCTION_SUBSTRING_BEFORE, FUNCTION_SUM, FUNCTION_TRANSLATE, FUNCTION_TRUE, NODE_TYPE_COMMENT, NODE_TYPE_NODE, NODE_TYPE_PI, NODE_TYPE_TEXT

Constructor Summary

Constructors
Constructor Description

TreeCompiler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`and(Object[] arguments)`	Produces an EXPRESSION object representing logical conjunction of all arguments
`Object`	`divide(Object left, Object right)`	Produces an EXPRESSION object representing left divided by right
`Object`	`equal(Object left, Object right)`	Produces an EXPRESSION object representing the comparison: left equals to right
`Object`	`expressionPath(Object expression, Object[] predicates, Object[] steps)`	Produces an EXPRESSION object representing a filter expression
`Object`	`function(int code, Object[] args)`	Produces an EXPRESSION object representing the computation of a core function with the supplied arguments.
`Object`	`function(Object name, Object[] args)`	Produces an EXPRESSION object representing the computation of a library function with the supplied arguments.
`Object`	`greaterThan(Object left, Object right)`	Produces an EXPRESSION object representing the comparison: left greater than right
`Object`	`greaterThanOrEqual(Object left, Object right)`	Produces an EXPRESSION object representing the comparison: left greater than or equal to right
`Object`	`lessThan(Object left, Object right)`	Produces an EXPRESSION object representing the comparison: left less than right
`Object`	`lessThanOrEqual(Object left, Object right)`	Produces an EXPRESSION object representing the comparison: left less than or equal to right
`Object`	`literal(String value)`	Produces an EXPRESSION object that represents a string constant.
`Object`	`locationPath(boolean absolute, Object[] steps)`	Produces an EXPRESSION object representing a location path
`Object`	`minus(Object argument)`	Produces an EXPRESSION object representing unary negation of the argument
`Object`	`minus(Object left, Object right)`	Produces an EXPRESSION object representing left minus right
`Object`	`mod(Object left, Object right)`	Produces an EXPRESSION object representing left modulo right
`Object`	`multiply(Object left, Object right)`	Produces an EXPRESSION object representing left multiplied by right
`Object`	`nodeNameTest(Object qname)`	Produces a NODE_TEST object that represents a node name test.
`Object`	`nodeTypeTest(int nodeType)`	Produces a NODE_TEST object that represents a node type test.
`Object`	`notEqual(Object left, Object right)`	Produces an EXPRESSION object representing the comparison: left is not equal to right
`Object`	`number(String value)`	Produces an EXPRESSION object that represents a numeric constant.
`Object`	`or(Object[] arguments)`	Produces an EXPRESSION object representing logical disjunction of all arguments
`Object`	`processingInstructionTest(String instruction)`	Produces a NODE_TEST object that represents a processing instruction test.
`Object`	`qname(String prefix, String name)`	Produces an QNAME that represents a name with an optional prefix.
`Object`	`step(int axis, Object nodeTest, Object[] predicates)`	Produces a STEP object that represents a node test.
`Object`	`sum(Object[] arguments)`	Produces an EXPRESSION object representing the sum of all argumens
`Object`	`union(Object[] arguments)`	Produces an EXPRESSION object representing union of all node sets
`Object`	`variableReference(Object qName)`	Produces an EXPRESSION object representing variable reference

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TreeCompiler
```
public TreeCompiler()
```
- Method Detail
  - number
```
public Object number(String value)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object that represents a numeric constant.
    
    Specified by:
    
    number in interface Compiler
    
    Parameters:
    
    value - numeric String
    
    Returns:
    
    Object
  - literal
```
public Object literal(String value)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object that represents a string constant.
    
    Specified by:
    
    literal in interface Compiler
    
    Parameters:
    
    value - String literal
    
    Returns:
    
    Object
  - qname
```
public Object qname(String prefix,
                    String name)
```
    Description copied from interface: Compiler
    
    Produces an QNAME that represents a name with an optional prefix.
    
    Specified by:
    
    qname in interface Compiler
    
    Parameters:
    
    prefix - String prefix
    
    name - String name
    
    Returns:
    
    Object
  - sum
```
public Object sum(Object[] arguments)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the sum of all argumens
    
    Specified by:
    
    sum in interface Compiler
    
    Parameters:
    
    arguments - are EXPRESSION objects
    
    Returns:
    
    Object
  - minus
```
public Object minus(Object left,
                    Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing left minus right
    
    Specified by:
    
    minus in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - multiply
```
public Object multiply(Object left,
                       Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing left multiplied by right
    
    Specified by:
    
    multiply in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - divide
```
public Object divide(Object left,
                     Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing left divided by right
    
    Specified by:
    
    divide in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - mod
```
public Object mod(Object left,
                  Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing left modulo right
    
    Specified by:
    
    mod in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - lessThan
```
public Object lessThan(Object left,
                       Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the comparison: left less than right
    
    Specified by:
    
    lessThan in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - lessThanOrEqual
```
public Object lessThanOrEqual(Object left,
                              Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the comparison: left less than or equal to right
    
    Specified by:
    
    lessThanOrEqual in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - greaterThan
```
public Object greaterThan(Object left,
                          Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the comparison: left greater than right
    
    Specified by:
    
    greaterThan in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - greaterThanOrEqual
```
public Object greaterThanOrEqual(Object left,
                                 Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the comparison: left greater than or equal to right
    
    Specified by:
    
    greaterThanOrEqual in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - equal
```
public Object equal(Object left,
                    Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the comparison: left equals to right
    
    Specified by:
    
    equal in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - notEqual
```
public Object notEqual(Object left,
                       Object right)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the comparison: left is not equal to right
    
    Specified by:
    
    notEqual in interface Compiler
    
    Parameters:
    
    left - is an EXPRESSION object
    
    right - is an EXPRESSION object
    
    Returns:
    
    Object
  - minus
```
public Object minus(Object argument)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing unary negation of the argument
    
    Specified by:
    
    minus in interface Compiler
    
    Parameters:
    
    argument - is an EXPRESSION object
    
    Returns:
    
    Object
  - variableReference
```
public Object variableReference(Object qName)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing variable reference
    
    Specified by:
    
    variableReference in interface Compiler
    
    Parameters:
    
    qName - is a QNAME object
    
    Returns:
    
    Object
  - function
```
public Object function(int code,
                       Object[] args)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the computation of a core function with the supplied arguments.
    
    Specified by:
    
    function in interface Compiler
    
    Parameters:
    
    code - is one of FUNCTION_... constants
    
    args - are EXPRESSION objects
    
    Returns:
    
    Object
  - function
```
public Object function(Object name,
                       Object[] args)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing the computation of a library function with the supplied arguments.
    
    Specified by:
    
    function in interface Compiler
    
    Parameters:
    
    name - is a QNAME object (function name)
    
    args - are EXPRESSION objects
    
    Returns:
    
    Object
  - and
```
public Object and(Object[] arguments)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing logical conjunction of all arguments
    
    Specified by:
    
    and in interface Compiler
    
    Parameters:
    
    arguments - are EXPRESSION objects
    
    Returns:
    
    Object
  - or
```
public Object or(Object[] arguments)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing logical disjunction of all arguments
    
    Specified by:
    
    or in interface Compiler
    
    Parameters:
    
    arguments - are EXPRESSION objects
    
    Returns:
    
    Object
  - union
```
public Object union(Object[] arguments)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing union of all node sets
    
    Specified by:
    
    union in interface Compiler
    
    Parameters:
    
    arguments - are EXPRESSION objects
    
    Returns:
    
    Object
  - locationPath
```
public Object locationPath(boolean absolute,
                           Object[] steps)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing a location path
    
    Specified by:
    
    locationPath in interface Compiler
    
    Parameters:
    
    absolute - indicates whether the path is absolute
    
    steps - are STEP objects
    
    Returns:
    
    Object
  - expressionPath
```
public Object expressionPath(Object expression,
                             Object[] predicates,
                             Object[] steps)
```
    Description copied from interface: Compiler
    
    Produces an EXPRESSION object representing a filter expression
    
    Specified by:
    
    expressionPath in interface Compiler
    
    Parameters:
    
    expression - is an EXPRESSION object
    
    predicates - are EXPRESSION objects
    
    steps - are STEP objects
    
    Returns:
    
    Object
  - nodeNameTest
```
public Object nodeNameTest(Object qname)
```
    Description copied from interface: Compiler
    
    Produces a NODE_TEST object that represents a node name test.
    
    Specified by:
    
    nodeNameTest in interface Compiler
    
    Parameters:
    
    qname - is a QNAME object
    
    Returns:
    
    Object
  - nodeTypeTest
```
public Object nodeTypeTest(int nodeType)
```
    Description copied from interface: Compiler
    
    Produces a NODE_TEST object that represents a node type test.
    
    Specified by:
    
    nodeTypeTest in interface Compiler
    
    Parameters:
    
    nodeType - is a NODE_TEST object
    
    Returns:
    
    Object
  - processingInstructionTest
```
public Object processingInstructionTest(String instruction)
```
    Description copied from interface: Compiler
    
    Produces a NODE_TEST object that represents a processing instruction test.
    
    Specified by:
    
    processingInstructionTest in interface Compiler
    
    Parameters:
    
    instruction - is a NODE_TEST object
    
    Returns:
    
    Object
  - step
```
public Object step(int axis,
                   Object nodeTest,
                   Object[] predicates)
```
    Description copied from interface: Compiler
    
    Produces a STEP object that represents a node test.
    
    Specified by:
    
    step in interface Compiler
    
    Parameters:
    
    axis - is one of the AXIS_... constants
    
    nodeTest - is a NODE_TEST object
    
    predicates - are EXPRESSION objects
    
    Returns:
    
    Object

Class TreeCompiler

Field Summary

Fields inherited from interface org.apache.commons.jxpath.ri.Compiler

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

TreeCompiler

Method Detail

number

literal

qname

sum

minus

multiply

divide

mod

lessThan

lessThanOrEqual

greaterThan

greaterThanOrEqual

equal

notEqual

minus

variableReference

function

function

and

or

union

locationPath

expressionPath

nodeNameTest

nodeTypeTest

processingInstructionTest

step