for( final String domain : getCombiningDomains().keySet() ) {
// Precondition (!): key domain is most upstream domain.
//TODO ensure this is true.
- binary_combinations.add( new AdjactantDirectedBinaryDomainCombination( getKeyDomain(), domain ) );
+ binary_combinations.add( AdjactantDirectedBinaryDomainCombination.obtainInstance( getKeyDomain(), domain ) );
}
return binary_combinations;
}