dev@glassfish.java.net

Re: Example of support for --target option?

From: Marina Vatkina <marina.vatkina_at_oracle.com>
Date: Tue, 15 Jun 2010 18:26:42 -0700

Hong Zhang wrote:
> Hi, Marina
>>> I noticed this also when I was doing the deployment related
>>> commands. Also the STANDALONE_SERVER should be STANDALONE_INSTANCE.
>>>
>>> So in your case the correct syntax should be:
>>> @TargetType(value={CommandTarget.DAS,
>>> CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER_INSTANCE})
>>
>> Can you point me to a class that uses it?
> I haven't checked in my changes yet, but I know they compiled for me. :-)
> I don't know if there are other commands in the workspace currently
> using the @TargetType. You can do a search.

Will do. Thanks. BTW, all that is needed are {}...
>>>
>>> (Did you really mean CLUSTER_INSTANCE or CLUSTER?)
>>
>> All the names are still not very clear to me... but
>> rollback-transaction is allowed only on an instance (not on the DAS
>> in a cluster). How would you call it?
> Not sure what you meant by "not on the DAS in a cluster". If it's a
> clustered instance, the CLUSTER_INSTANCE is the right type. If it's an
> unclusted instance, it should be STANDALONE_INSTANCE.

Then I'm probably correct, though STANDALONE_INSTANCE (unfortunately)
isn't the same as "server" (is there any CLI option that doesn't accept
"server"?).

thanks,
-marina
>
> - Hong
>
>>>
>>>
>>> -
>>> On 6/15/2010 7:52 PM, Marina Vatkina wrote:
>>>> Vijay,
>>>>
>>>> I'm trying to follow the wiki, but the result doesn't compile:
>>>>
>>>> [INFO] Compiling 15 source files to
>>>> /Users/mvatkina/v3/v3/transaction/jta/target/classes
>>>> /Users/mvatkina/v3/v3/transaction/jta/src/main/java/org/glassfish/jta/admin/cli/RollbackTransaction.java:58:
>>>> annotation values must be of the form 'name=value'
>>>> @TargetType(CommandTarget.DAS,CommandTarget.STANDALONE_SERVER,
>>>> CommandTarget.CLUSTERED_INSTANCE)
>>>>
>>>> thanks,
>>>> -marina
>>>>
>>>>
>>>> Vijay Ramachandran wrote:
>>>>>
>>>>>> 1. Does command replication mean that a) it can be executed
>>>>>> against any type of target,
>>>>>
>>>>> Yes.
>>>>>
>>>>>> or b) that if it is executed, it is repeated automatically on all
>>>>>> instances in a cluster?
>>>>>
>>>>> The replication framework will look at the target type, ensure
>>>>> that the target type is supported by the command being executed,
>>>>> executes the command on DAS. If execution on DAS succeeds AND the
>>>>> command's @Cluster has RuntimeType.INSTANCE AND the target type
>>>>> indicates to the framework that the command should replicated on
>>>>> instances (typically target types which are config type, stand
>>>>> alone server type, cluster type), then the command is replicated.
>>>>> If the target type is stand alone server, the replication happens
>>>>> only on that instance. If it is cluster it happens on all
>>>>> instances that are part of that cluster.
>>>>>
>>>>>> 2. You point to 'create-custom-resource' CLI that can be executed
>>>>>> not only on an instance or a cluster, but also on a server or a
>>>>>> domain. What do the last 2 choices mean?
>>>>>
>>>>> server = the string 'server' without the quotes = DAS
>>>>> domain = the string 'domain' without the quotes = target is only
>>>>> the domain
>>>>>
>>>>> To my knowledge, not many commands support domain target type. A
>>>>> vast majority of the commands support config, 'server', cluster
>>>>> and stand alone server as target types. More info on this will be
>>>>> added to the target type section
>>>>> <http://wiki.glassfish.java.net/Wiki.jsp?page=CLIDeveloperGuide#section-CLIDeveloperGuide-EnforcingTargetTypesAllowedForCommands>
>>>>> in the wiki.
>>>>>
>>>>> Vijay
>>>>>
>>>>>>
>>>>>> 3. Please add a link to an example of correct implementation of a
>>>>>> CLI that does correct processing for the --target value.
>>>>>>
>>>>>> thanks,
>>>>>> -marina
>>>>>>
>>>>>>
>>>>>> Vijay Ramachandran wrote:
>>>>>>> I have updated the wiki
>>>>>>> <http://wiki.glassfish.java.net/Wiki.jsp?page=CLIDeveloperGuide>
>>>>>>> with more info, pointers to code samples, added section with
>>>>>>> answers to FAQ etc
>>>>>>>
>>>>>>> Let me know if you would like to see more info
>>>>>>>
>>>>>>> Vijay
>>>>>
>>>>
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