framework/application/kernel/jpa/src/main/java/org/ldp4j/application/kernel/persistence/jpa/EntityTagConverter.java
@Override
	public String convertToDatabaseColumn(EntityTag attribute) {
		if(attribute==null) {
			return null;
		}
		return attribute.toString();
	}
@Override
	public String convertToDatabaseColumn(EntityTag attribute) {
		if(attribute==null) {
			return null;
		}
		return attribute.toString();
	}
{@inheritDoc}