Package commandManagers.commands

Class AddIfMin

java.lang.Object

commandManagers.Command

commandManagers.commands.AddIfMin

All Implemented Interfaces:

CommandInterface

public class AddIfMin
extends Command

Command to add a new city to the collection if it has a smaller population than the smallest city in the collection.

Author:

boris

Constructor Summary

Constructors

Constructor	Description
AddIfMin()	Default constructor from 1.0
AddIfMin(ModeManager<City> handler)	Provides choosing handler

Method Summary

Modifier and Type	Method	Description
boolean	checkArgument(Object inputArgument)	Checks whether an argument is provided or not.
void	execute()	Adds a new city to the collection if its population is less than the population of the smallest city in the collection.
String	getDescr()	Base method for show command description.
String	getName()	Base method for show command name

Methods inherited from class commandManagers.Command

getArgument, isHasArgument, setArgument

Methods inherited from class java.lang.Object

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

Constructor Details

AddIfMin

public AddIfMin()

Default constructor from 1.0

AddIfMin

public AddIfMin(ModeManager<City> handler)

Provides choosing handler

Parameters:

handler - ModuleHandler for operating

Since:

2.0

Method Details

getName

public String getName()

Description copied from class: Command

Base method for show command name

Specified by:

getName in interface CommandInterface

Specified by:

getName in class Command

Returns:

command name

getDescr

public String getDescr()

Description copied from class: Command

Base method for show command description.

Specified by:

getDescr in interface CommandInterface

Specified by:

getDescr in class Command

Returns:

command description

execute

public void execute()
             throws BuildObjectException

Adds a new city to the collection if its population is less than the population of the smallest city in the collection. Prints a message indicating that the command does not take arguments if an argument is provided.

Specified by:

execute in interface CommandInterface

Specified by:

execute in class Command

Throws:

BuildObjectException

checkArgument

public boolean checkArgument(Object inputArgument)

Checks whether an argument is provided or not.

Specified by:

checkArgument in interface CommandInterface

Specified by:

checkArgument in class Command

Parameters:

inputArgument - the argument to be checked.

Returns:

true if no argument is provided and false otherwise.