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https://issues.apache.org/jira/browse/FELIX-5399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre De Rop resolved FELIX-5399.
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Resolution: Fixed
I think the issue is resolved. will reopen later in case I find some uncovered
use cases.
> Unable to define default map or list config types
> -------------------------------------------------
>
> Key: FELIX-5399
> URL: https://issues.apache.org/jira/browse/FELIX-5399
> Project: Felix
> Issue Type: Bug
> Components: Dependency Manager
> Affects Versions: org.apache.felix.dependencymanager-r8
> Reporter: Pierre De Rop
> Assignee: Pierre De Rop
> Priority: Minor
> Fix For: org.apache.felix.dependencymanager-r9
>
>
> Assume you have a key in a given configuration dictionary which corresponds
> to a map or a list.
> For example:
> {code}
> map={key1=value1, key2=value2}
> list=[a,b,c}
> {code}
> Now assume we have the corresponding configuration type, which defines
> default values for the "map" or "list" keys:
> {code}
> public interface ConfigType {
> public default List<String> getList() {
> return Arrays.asList("default1", "default2");
> }
> public default SortedMap<String, String> getMap() {
> SortedMap<String, String> defaultMap = new TreeMap<>();
> defaultMap.put("key1", "default1");
> defaultMap.put("key2", "default2");
> return defaultMap;
> }
> }
> {code}
> Now, assume also that:
> - you use an optional configurationdependency and the configuration is
> currently unavailable
> - or the configuration is currently available (whatever the configuration
> dependency is optional or required), but there is currently no values for
> "map" or "list" keys
> Then the problem is that the default map or list values declared in the
> ConfigType interface are not used as default values, but instead when you
> access to the "map" or "list" configuration keys, then you get an implicit
> empty map or an empty list (instead of the defaults values defined in the
> configuration type)
> See org.apache.felix.dm.itest.api.DefaultListConfigType.java and
> org.apache.felix.dm.itest.api.DefaultMapConfigType, which reproduce the issue.
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