Module hw06

Package provided.utils.logic.impl

Class LogicalAndHost

java.lang.Object

provided.utils.logic.impl.LogicalAndHost

All Implemented Interfaces:

ILogicalHost

public class LogicalAndHost
extends Object
implements ILogicalHost

An ILogicalHost that represents the logical AND of two ILogicalHosts. That is, the trueCase of the given visitor will be run only if the trueCases of both given hosts run. Otherwise, the false case of the given visitor will run.

Author:

swong

Field Summary

Fields

Modifier and Type	Field	Description
private ILogicalHost	hostA	The first logical host
private ILogicalHost	hostB	The second logical host

Constructor Summary

Constructors

Constructor	Description
LogicalAndHost(ILogicalHost hostA, ILogicalHost hostB)	Construct the logical AND of the two hosts.

Method Summary

Modifier and Type	Method	Description
<R, P> R	execute(ILogicalVisitor<R,P> vis, P param)	Call the appropriate case on the given visitor corresponding to the current state of the host.

Methods inherited from class java.lang.Object

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

Field Details

hostA

private ILogicalHost hostA

The first logical host

hostB

private ILogicalHost hostB

The second logical host

Constructor Details

LogicalAndHost

public LogicalAndHost(ILogicalHost hostA,
 ILogicalHost hostB)

Construct the logical AND of the two hosts. Note that hostA is evaluated first and if false, hostB is not evaluated.

Parameters:

hostA - The first logical host

hostB - The second logical host

Method Details

execute

public <R,
P> R execute(ILogicalVisitor<R,P> vis,
 P param)

Description copied from interface: ILogicalHost

Call the appropriate case on the given visitor corresponding to the current state of the host.

Specified by:

execute in interface ILogicalHost

Type Parameters:

R - The return type of the visitor

P - The input parameter type of the visitor

Parameters:

vis - The visitor to accept which has true and false cases.

param - The input parameter to pass to the visitor's case that is called.

Returns:

The result from running the case of the visitor