biz.chitec.quarterback.util.logic
Class ORExpr

java.lang.Object
  biz.chitec.quarterback.util.logic.AlgebraicExpr
      biz.chitec.quarterback.util.logic.ORExpr

All Implemented Interfaces:

java.lang.Cloneable, LogicExpr

public class ORExpr

extends AlgebraicExpr

Interface for logic expressions

Version:

$Id: 64d69b68a038c92588abb94dc3ac05219a85e330 $

Author:

chitec/Dirk Hillbrecht 2001, cantamen/Dirk Hillbrecht 2005. Distributed under the terms of the GNU LGPL.

Nested Class Summary

Nested classes inherited from class biz.chitec.quarterback.util.logic.LogicExpr

LogicExpr.Converter, LogicExpr.UniverseGenerator

Field Summary

Fields inherited from class biz.chitec.quarterback.util.logic.AlgebraicExpr

expressions

Constructor Summary

ORExpr()

ORExpr(LogicExpr e1x, LogicExpr e2x)

ORExpr(java.lang.Object[] os)

Method Summary

boolean	equals(java.lang.Object o)
boolean	evaluate(java.lang.Object universe) Is the expression valid in the given universe
int[]	getResultSet(LogicExpr.UniverseGenerator generator) Return all elements of the universe which match the expression
java.lang.String	sqlString(java.util.Map identifiers) Returns an SQL representation of the expression with the constant names replaced by the ones in the given Map.

Methods inherited from class biz.chitec.quarterback.util.logic.AlgebraicExpr

clone, convertValues, getExpressions, getInternalVars, hasLeafsOnly, isReady, isTreeReady

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ORExpr

public ORExpr()

ORExpr

public ORExpr(LogicExpr e1x,
              LogicExpr e2x)

ORExpr

public ORExpr(java.lang.Object[] os)

Method Detail

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class AlgebraicExpr

evaluate

public boolean evaluate(java.lang.Object universe)

Is the expression valid in the given universe

getResultSet

public int[] getResultSet(LogicExpr.UniverseGenerator generator)

Description copied from interface: LogicExpr

Return all elements of the universe which match the expression

sqlString

public java.lang.String sqlString(java.util.Map identifiers)

Description copied from interface: LogicExpr

Returns an SQL representation of the expression with the constant names replaced by the ones in the given Map.