com.wles.util
Class RuleParser.Constraint

java.lang.Object
  com.wles.util.RuleParser.Constraint

Enclosing class:

RuleParser

public static class RuleParser.Constraint

extends java.lang.Object

Class for representing a rule's constraint.

Field Summary

static java.lang.String	IF String identifying the start of a constraint.
static java.lang.String	TERMINATOR String identifying the end of a constraint.
static java.lang.String	TRUE String identifying the contents of a default constraint.

Constructor Summary

RuleParser.Constraint(java.lang.String text)
Construct a constraint based on the supplied text.

Method Summary

boolean	equals(java.lang.Object other) Tests for constraint equality.
java.lang.String	getCondition() Gets the condition, this is the portion between if and ;
java.lang.String	getText() Get the full text of the constraint this is the portion including if and ;
int	hashCode()
boolean	isEmpty() Determines if the condition is empty, or just true i.e. grant(...); or grant(...) if true;
java.lang.String	toString() Returns a report on the structure of the constraint.
void	validate() Validates that the internal string is a constraint.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

IF

public static final java.lang.String IF

String identifying the start of a constraint.

See Also:

Constant Field Values

TERMINATOR

public static final java.lang.String TERMINATOR

String identifying the end of a constraint.

See Also:

Constant Field Values

TRUE

public static final java.lang.String TRUE

String identifying the contents of a default constraint.

See Also:

Constant Field Values

Constructor Detail

RuleParser.Constraint

public RuleParser.Constraint(java.lang.String text)
                      throws RuleParser.ParsingException

Construct a constraint based on the supplied text.

Method Detail

equals

public boolean equals(java.lang.Object other)

Tests for constraint equality. Requies an exact String match.

getCondition

public java.lang.String getCondition()

Gets the condition, this is the portion between if and ;

getText

public java.lang.String getText()

Get the full text of the constraint this is the portion including if and ;

hashCode

public int hashCode()

isEmpty

public boolean isEmpty()

Determines if the condition is empty, or just true i.e. grant(...); or grant(...) if true;

toString

public java.lang.String toString()

Returns a report on the structure of the constraint.

validate

public void validate()
              throws RuleParser.ParsingException

Validates that the internal string is a constraint. Only minimal syntax checking is perfomed.

Throws:

RuleParser.ParsingException