OSGi component OR service Configs

String Config

 @AttributeDefinition(

          name = "String Property",

          description = "String example",

          type = AttributeType.STRING

      )

    String stringExample() default "String value";

String Array Config

@AttributeDefinition(

    name = "String Array Example",

    description = "String Array Example",

    type = AttributeType.STRING

   )

 String[] stringArrayExample() default {"String1", "String2"};

Dropdown Config

 @AttributeDefinition(

         name = "Dropdown example",

         description = "Dropdown example",

         options = {

             @Option(label = "Option1", value = "Option1"),

             @Option(label = "Option2", value = "Option2"),

             @Option(label = "Option3", value = "Option3")

         }

     )

 String dropdownExample() default StringUtils.EMPTY;

Boolean Config

To declare your  OSGi configuration as boolean you must use the attribute type BOOLEAN

@AttributeDefinition(

         name = "Boolean Property",

         description = "Boolean example",

         type = AttributeType.BOOLEAN

 )

Long Config

 @AttributeDefinition(

       name = "Long Property",

       description = "Sample long property",

       type = AttributeType.LONG

 )

  long longExample() default 0L;