Package org.exolab.adaptx.xpath.expressions

Class PrimaryExpr

java.lang.Object

org.exolab.adaptx.xpath.expressions.PrimaryExpr

All Implemented Interfaces:

XPathExpression

Direct Known Subclasses:

FunctionCall, VariableReference

public abstract class PrimaryExpr
extends java.lang.Object
implements XPathExpression

Represents an XPath 1.0 PrimaryExpr

 from XPath 1.0 Recommendation:
 [15] PrimaryExpr ::= VariableReference
                      | '(' Expr ')'
                      | Literal
                      | Number
                      | FunctionCall
 

Version:

$Revision: 3734 $ $Date: 2003-05-13 09:55:04 +0200 (Tue, 13 May 2003) $

Author:

Keith Visco

Field Summary

Fields

Modifier and Type	Field	Description
static short	EXPR
static short	FUNCTION_CALL
static short	LITERAL
static short	NUMBER
static short	VARIABLE_REFERENCE

Fields inherited from interface org.exolab.adaptx.xpath.XPathExpression

BOOLEAN, ERROR, FILTER_EXPR, LOCATION_PATH, NODE_TEST, PATH_EXPR, PRIMARY, STEP, STRING, UNION_EXPR

Method Summary

Modifier and Type	Method	Description
short	getExprType()	Returns the XPathExpression type
short	getType()	Retrieves the type of this PrimaryExpr

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.exolab.adaptx.xpath.XPathExpression

evaluate, toString

Field Detail

VARIABLE_REFERENCE

public static final short VARIABLE_REFERENCE

See Also:

Constant Field Values

EXPR

public static final short EXPR

See Also:

Constant Field Values

LITERAL

public static final short LITERAL

See Also:

Constant Field Values

NUMBER

public static final short NUMBER

See Also:

Constant Field Values

FUNCTION_CALL

public static final short FUNCTION_CALL

See Also:

Constant Field Values

Method Detail

getExprType

public final short getExprType()

Returns the XPathExpression type

Specified by:

getExprType in interface XPathExpression

Returns:

the XPathExpression type

getType

public final short getType()

Retrieves the type of this PrimaryExpr

Returns:

the type of this PrimaryExpr