[jira] [Created] (TAMAYA-171) Simplify API for mutability

["Anatole Tresch (JIRA)" <ji...@apache.org>]

Anatole Tresch created TAMAYA-171:
-------------------------------------

             Summary: Simplify API for mutability
                 Key: TAMAYA-171
                 URL: https://issues.apache.org/jira/browse/TAMAYA-171
             Project: Tamaya
          Issue Type: Improvement
          Components: Extensions
    Affects Versions: 0.2-incubating
            Reporter: Anatole Tresch
            Assignee: Anatole Tresch
             Fix For: 0.3-incubating


The current API for MutableConfiguration, especially on the SPI side with {{MutableProeprtySource}} is much too complex. It would be better to just add the following methods/interfaces:
{noformat}
public interface MutablePropertySource extends PropertySource {
    void applyChange(ConfigChangeRequest configChange);
}
public interface MutableConfiguration extends Configuration {
    MutableConfiguration put(String key, String value);
    MutableConfiguration putAll(Map<String, String> properties); 
    MutableConfiguration remove(Collection<String> keys);
    MutableConfiguration remove(String... keys);
    void store();
    ChangePropagationPolicy getChangePropagationPolicy();
    ConfigChangeRequest getConfigChangeRequest();
}
{noformat}

Hereby a mutable instance can be accessed from the provider:
{noformat}
MutableConfiguration cfg = MutableConfigurationProvider
  .createMutableConfiguration(ConfigurationProvider.getConfiguration());
{noformat}



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