query
Class LogicalOperator

java.lang.Object
  query.LogicalOperator

All Implemented Interfaces:

Operator

Direct Known Subclasses:

And, Or

public abstract class LogicalOperator

extends java.lang.Object

implements Operator

implements Operator and holds left hand and right hand values which are instances of Opertors(Since Logical Operators operate on two Relational, Logical Operators).

Field Summary

protected Operator	lhsOperator holds left hand Operator.
protected Operator	rhsOperator holds right hand operator.

Constructor Summary

LogicalOperator(Operator lhsOperator, Operator rhsOperator)

Methods inherited from class java.lang.Object

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

Methods inherited from interface query.Operator

getResult

Field Detail

lhsOperator

protected Operator lhsOperator

holds left hand Operator.

rhsOperator

protected Operator rhsOperator

holds right hand operator.

Constructor Detail

LogicalOperator

public LogicalOperator(Operator lhsOperator,
                       Operator rhsOperator)

Parameters:

lhsOperator - left hand Operator.

rhsOperator - right hand operator.