This will start the platform with or without the awareness component. Platform awareness allows for automatic discovery of other platforms in the network. These changes are detected by possibly different discovery components employing different kinds of discovery mechanisms. Per default it uses multicast address In Jadex, awareness is introduced by so called proxy components, which are local component representatives of a remote platform. As multicast requires receivers to register at the multicast address this mode does not send packets to other no Jadex nodes in the network. To deactivate or activate mechanisms at runtime again subcomponents can be started or stopped.
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Platform Awareness Platform awareness allows for automatic discovery of other platforms in the network. In addition to the global awareness setting it jadez also possible to determine the awareness mechanisms that should be used. Depending on the enabled discovery mechanisms a platform will be capable of detecting others only within the same LAN or also globally.
To deactivate or activate mechanisms at runtime again subcomponents can be started or stopped.
Registry discovery disabled per default, global network: The scanner tries to find out the network bpuetooth and send awareness infos to IP addresses within the network. The registry mechanism allows for using a dedicated registry platform at which all other platforms register at runtime using the address argument.
This can be done by using:. For these reasons the scanner is deactivated per default. At runtime the currently active awareness mechanisms can be seen by looking at blutooth subcomponents of the awareness management component.
Download jadex-android-bluetooth JAR 3.0.69 with all dependencies
Per default the relay uses a server from https: These changes are detected by possibly different discovery components employing different kinds of discovery mechanisms. The relay discovery is based on a web server that is used as a common rendezvous point for the platforms, i. It is also possible to setup an own server using the Relay Standalone Distribution from the downloads section Jadex Pro Onlywhich allows jadx building up private platform networks.
This can be done by using: This mechanism uses IP multicasts to find other platforms.
The discovery mechanisms have the task to distribute awareness infos of the own platform and also receive such infos from other platforms. VirtualBox or Android emulator. In the screenshot of the JCC Starter shown above, it can be bluetpoth that platform proxy components are shown as subcomponents of the platforms component.
Platform Awareness – Jadex Active Components Documentation
Per default it uses multicast address Using message discovery is especially beneficial in asymmetric network settings, in which one partner can find the other but not vice versa. IP-Scanner discovery disabled per default, local network: Welcome to the Jadex Active Components 3. On the one hand these proxies can be created automatically by the awareness component and on the other hand a proxy can also be created manually given that the platform name and transport addresses are known.
Local discovery enabled per default, local jafex The concept of proxy components makes handling interactions with remote components rather simple. In addition, jdaex management component uses lease times contained in the awareness infos to calculate the proxy validity.
On the other hand it is also possible to enable awareness at runtime by starting the awareness component kadex. Broadcast discovery enabled per default, local network: AwarenessManagementAgent contained in the module jadex-platform-base.
Uses IP broadcast to announce awareness infos. Multicast discovery enabled per default, local network: If no fresh awareness info is received after this timepoint has passed the management component will jdaex the proxy with some delay tolerating latencies. The user interface also visualizes the state of the remote components.
The management part is responsible for creating and deleting proxy components on the local platform whenever changes occur. Platform awareness allows for automatic discovery of other platforms in the network. Whenever a discovery component receives a new awareness info it will forward the info to the management component.