package org.forester.surfacing;
+import org.forester.protein.BinaryDomainCombination;
+import org.forester.protein.DomainId;
+
public class DirectedBinaryDomainCombination extends BasicBinaryDomainCombination {
public DirectedBinaryDomainCombination( final DomainId n_terminal, final DomainId c_terminal ) {
if ( ( n_terminal == null ) || ( c_terminal == null ) ) {
throw new IllegalArgumentException( "attempt to create binary domain combination using null" );
}
- _id_0 = n_terminal;
- _id_1 = c_terminal;
+ _id_0 = n_terminal.getId();
+ _id_1 = c_terminal.getId();
}
public DirectedBinaryDomainCombination( final String n_terminal, final String c_terminal ) {