1 package au.gov.amsa.navigation; 2 3 class IdentifierPair { 4 5 private final Identifier id1; 6 private final Identifier id2; 7 8 IdentifierPair(Identifier id1, Identifier id2) { 9 this.id1 = id1; 10 this.id2 = id2; 11 } 12 13 Identifier id1() { 14 return id1; 15 } 16 17 Identifier id2() { 18 return id2; 19 } 20 21 }