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(Please see https://wiki.onap.org/display/DW/Existing+Yang+Parser)

OpenDayLight Yang tools recognise recognize YANG extensions

• Contains interface which has methods to access data of a YANG extension statement

  Code Block
  language java theme Eclipse title Yang tools ExtensionDefinition Interface
  package org.opendaylight.yangtools.yang.model.api; import org.opendaylight.yangtools.yang.model.api.stmt.ExtensionEffectiveStatement; public interface ExtensionDefinition extends SchemaNode, EffectiveStatementEquivalent<ExtensionEffectiveStatement> { String getArgument(); boolean isYinElement(); }

  
  

Test cases and scenarios

The following test cases used and modified the standard stores model seen above.

module stores {
    yang-version 1.1;
	...
    extension sync-flag{
        description "This extension allows to tag nodes with a sync flag";
        argument "value";
    }

    typedef year {...}

    container bookstore {
        book-store:sync-flag "on";
		...
        leaf bookstore-name {...}
...
}