[OSGI] Felix Basic Environment Construction and operation

Felix is an Apache-owned framework for implementing OSG specification I. Access Address: http://felix.apache.org/

Building the basic OSGi framework only requires downloading the Felix framework.

Unzip to any directory (for example: D:\felix-framework-4.4.1), open cmd Command window in felix-framework-4.4.1 directory, execute launch Felix framework command

Java-jar Bin/felix.jar

Enter the LB command to view the current launch of Felix's bundle after completion of startup

G! LB
START Level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
g!

Stop Felix Frame is input stop 0

Installing Felix's Bundle (Helloworld.jar) is the absolute path that requires the bundle, execute the command install File:/file_path

<pre name= "code" class= "plain" >g! LB
START Level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
g! Install File:/d:/felix-framework-4.4.1/myplugins/helloworld_ 1.0.0.201501121409.jar
Bundle id:5 
g!

Execute LB View Installation results

G! LB
START Level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
    5| Installed  |    1| Helloworld (1.0.0.201501121409)
g!

You can see that the status of the newly installed Helloworld.jar is installed

Start bundle command Start Bundleid

G! Start 5
Hello world!
G!

View bundle Status LB

G! LB
START Level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
    5| Active     |    1| Helloworld (1.0.0.201501121409)
g!

HelloWorld Bundle Status Active indicates plug-in is activated

Stop bundle command for Stop Bundleid

G! Stop 5
g! lb
START level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
    5| Resolved   |    1| Helloworld (1.0.0.201501121409)
g!

HelloWorld bundle status changed to Resolved

Update the HelloWorld source, the output statement into Hello World, OSGI!

There are two ways to update an operation

When replacing the modified bundle with the original bundle, perform the update Bundleid

G! Update 5
g! lb
START level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
    5| Installed  |    1| Helloworld (1.0.0.201501121422)
g! start 5
Hello world, OSGI!
G!

Perform update Bundleid File:/fiel_path the existing bundle with the stored bundle to another location

G! LB
START Level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
    5| Active     |    1| Helloworld (1.0.0.201501121409)
g! Update 5 File:/d:/felix-framework-4.4.1/myplugins/helloworld_ 1.0.0.201501121409_new.jar
Hello World, OSGI!
G!

Unload Bundle Command Uninstall Bundleid

G! Uninstall 5
g! lb
START level 1
   id| State      | level| Name
    0| Active     |    0| System Bundle (4.4.1)
    1| Active     |    1| Apache Felix Bundle Repository (2.0.2)
    2| Active     |    1| Apache Felix Gogo Command (0.14.0)
    3| Active     |    1| Apache Felix Gogo Runtime (0.12.1)
    4| Active     |    1| Apache Felix Gogo Shell (0.10.0)
g!