com.googlecode.jpattern.core.command
Class ICommand

java.lang.Object
  com.googlecode.jpattern.core.command.ICommand

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ACommand, NullCommand

public abstract class ICommand
extends java.lang.Object
implements java.io.Serializable

Author:

Francesco Cina' 28/gen/2011

See Also:

Serialized Form

Constructor Summary

ICommand()

Method Summary

abstract ICommandResult	exec() This method launch the execution of the command (or chain of commands) using the default DefaultCommandExecutor.
abstract ICommandResult	exec(ICommandExecutor aCommandExecutor) This method launch the execution of the command (or chain of commands).
abstract ICommandResult	rollback() This method launch the rollback of the command (or chain of commands) using the default DefaultCommandExecutor.
abstract ICommandResult	rollback(ICommandExecutor aCommandExecutor) This method launch the rollback of the command (or chain of commands).
abstract ICommandResult	rollback(ICommandResult execResult) This method launch the rollback of the command (or chain of commands) only if the ICommandExecutor passed as parameter is not valid.
abstract ICommandResult	rollback(ICommandResult execResult, ICommandExecutor aCommandExecutor) This method launch the rollback of the command (or chain of commands) only if the ICommandExecutor passed as parameter is not valid.
abstract void	visit(IProvider provider)

Methods inherited from class java.lang.Object

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

Constructor Detail

ICommand

public ICommand()

Method Detail

visit

public abstract void visit(IProvider provider)

exec

public abstract ICommandResult exec()

This method launch the execution of the command (or chain of commands) using the default DefaultCommandExecutor. This command is the same of: exec(new ConditionalCommandExecutor());

Returns:

the result of the execution

exec

public abstract ICommandResult exec(ICommandExecutor aCommandExecutor)

This method launch the execution of the command (or chain of commands). Every command in the chain will be managed by an ICommandExecutor object

Parameters:

aCommandExecutor - the pool in which the command will runs

Returns:

the result of the execution

rollback

public abstract ICommandResult rollback()

This method launch the rollback of the command (or chain of commands) using the default DefaultCommandExecutor. This command is the same of: rollback(new ConditionalCommandExecutor());

Returns:

the result of the rollback

rollback

public abstract ICommandResult rollback(ICommandExecutor aCommandExecutor)

This method launch the rollback of the command (or chain of commands). Every command in the chain will be managed by an ICommandExecutor object

Parameters:

aCommandExecutor - the pool in which the command will runs

Returns:

the result of the rollback

rollback

public abstract ICommandResult rollback(ICommandResult execResult)

This method launch the rollback of the command (or chain of commands) only if the ICommandExecutor passed as parameter is not valid. The DefaultCommandExecutor will be used This command is the same of: rollback(execResult, new ConditionalCommandExecutor());

Parameters:

execResult - the result of a Command execution

Returns:

the result of the rollback

rollback

public abstract ICommandResult rollback(ICommandResult execResult,
                                        ICommandExecutor aCommandExecutor)

This method launch the rollback of the command (or chain of commands) only if the ICommandExecutor passed as parameter is not valid. The ICommandExecutor passed as a parameter will be used.

Parameters:

execResult - the result of a Command execution

aCommandExecutor - the pool in which the command will runs

Returns:

the result of the rollback