At first, sorry for my poor english, i hope its understandable.
We have the following classes and we want to inject an
ICommunicationManager-instance to the XyzDevice ! The Problem is a
dependency in the creation order...
public class DeviceLog {
private final IDevice device;
public DeviceLog(IDevice device) {
this.device = device;
}
//Methods to write log messages to a specific file for the given
device...
}
public class XyzDevice implements IDevice {
private final DeviceLog deviceLog;
private final ICommunicationManager communicationManager;
public XyzDevice() {
this.deviceLog = new DeviceLog(this);
this.communicationManager= new
XzyCommunicationManager(deviceLog);
}
}
_________________________________________________
We want to inject an ICommunicationManager implementation to the
XyzDevice-constructor, that is easy (using a Module). But how to
create the XzyCommunicationManager, it needs a DeviceLog which needs
the device instance ? We dont want to remove the final-modifiers of
our fields.
A solution without Guice could look like this:
public XyzDevice(ICommunicationManagerFactory factory) {
this.deviceLog = new DeviceLog(this);
this.communicationManager=
factory.createCommunicationManager(deviceLog);
}
Can i do this with Guice without the need of an factory ?
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