edu.berkeley.cs.db.yfilterplus.queryparser.xpathparser
Class SimplePredicate

java.lang.Object
  |
  +--edu.berkeley.cs.db.yfilterplus.queryparser.xpathparser.SimplePredicate

public class SimplePredicate

extends java.lang.Object

Field Summary

static char	OPERATOR_EQ
static char	OPERATOR_GE
static char	OPERATOR_GT
static char	OPERATOR_LE
static char	OPERATOR_LT
static char	OPERATOR_NE
static char	PREDICATE_ATTRIBUTE
static char	PREDICATE_POSITION
static char	PREDICATE_TEXT
static char	PREDICATE_UNKNOWN

Constructor Summary

SimplePredicate(char type, char operator, java.lang.Integer value)
simple_predicate ::= fn_position comparator number

SimplePredicate(char type, char operator, java.lang.String value)
simple_predicate ::= fn_text EQUALS literal

SimplePredicate(char type, java.lang.Integer value)
simple_predicate ::= number

SimplePredicate(char type, java.lang.String attrName, char operator, java.lang.String value)
simple_predicate ::= AT qname EQUALS literal

Method Summary

java.lang.String	getAttributeName()
char	getOperator()
static java.lang.String	getOperatorString(char operator)
char	getPredicateType()
java.lang.Object	getValue()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

PREDICATE_TEXT

public static char PREDICATE_TEXT

PREDICATE_ATTRIBUTE

public static char PREDICATE_ATTRIBUTE

PREDICATE_POSITION

public static char PREDICATE_POSITION

PREDICATE_UNKNOWN

public static char PREDICATE_UNKNOWN

OPERATOR_EQ

public static char OPERATOR_EQ

OPERATOR_NE

public static char OPERATOR_NE

OPERATOR_GT

public static char OPERATOR_GT

OPERATOR_GE

public static char OPERATOR_GE

OPERATOR_LT

public static char OPERATOR_LT

OPERATOR_LE

public static char OPERATOR_LE

Constructor Detail

SimplePredicate

public SimplePredicate(char type,
                       java.lang.String attrName,
                       char operator,
                       java.lang.String value)

simple_predicate ::= AT qname EQUALS literal

SimplePredicate

public SimplePredicate(char type,
                       java.lang.Integer value)

simple_predicate ::= number

SimplePredicate

public SimplePredicate(char type,
                       char operator,
                       java.lang.Integer value)

simple_predicate ::= fn_position comparator number

SimplePredicate

public SimplePredicate(char type,
                       char operator,
                       java.lang.String value)

simple_predicate ::= fn_text EQUALS literal

Parameters:

type -

operator -

value -

Method Detail

getPredicateType

public char getPredicateType()

getAttributeName

public java.lang.String getAttributeName()

getOperator

public char getOperator()

getValue

public java.lang.Object getValue()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getOperatorString

public static java.lang.String getOperatorString(char operator)