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• 5.2.0-1
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• TraversalAlias.java

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org.aksw.jenax.path.domain.TraversalAlias Maven / Gradle / Ivy

package org.aksw.jenax.path.domain;

import java.util.Map;

/**
 * Interface for MultiNodes
 */
public interface TraversalAlias {
	/** getOrCreate the one single alias for this multi node. Raises an exception if there are already multiple aliases */
	default N one() {
		return viaAlias(null);
	}
	

	/** get or create semantics for each alias */
	N viaAlias(String alias);
	
	/**
	 * List all previously allocated traversals with their aliases
	 * 
	 * TODO Should the map be a live view?
	 * 
	 * @return
	 */
	Map list();
}