com.alexscottrhodes.service

Class CommandFunctions

java.lang.Object

com.alexscottrhodes.service.CommandFunctions

public class CommandFunctions
extends java.lang.Object

Contains functions relating to command objects

Author:

Alex Rhodes

Field Summary

Fields

Modifier and Type	Field and Description
private static javax.persistence.EntityManager	em
private static javax.persistence.EntityManagerFactory	emFactory

Constructor Summary

Constructors

Constructor and Description
CommandFunctions()

Method Summary

Modifier and Type	Method and Description
static TransactionResult	sendCommands(Command c, Device d) Send a command to the target device.
static Command	storeCommand(Command c) Store a new command in the database

Methods inherited from class java.lang.Object

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

Field Detail

emFactory

private static javax.persistence.EntityManagerFactory emFactory

em

private static javax.persistence.EntityManager em

Constructor Detail

CommandFunctions

public CommandFunctions()

Method Detail

storeCommand

public static Command storeCommand(Command c)

Store a new command in the database

Parameters:

c - a Command to be stored

Returns:

a Command that is merged with the persistence context

sendCommands

public static TransactionResult sendCommands(Command c,
                                             Device d)

Send a command to the target device. If the command is sent successfully, it is purged from the device's commands, otherwise it is stored until it can be successfully sent.

Parameters:

c - the Command to send

d - a Device to send the command to.

Returns:

a TransactionResult object containing a list of failed and successful HttpResult objects