Source
static ManagedRelationshipDeleteRule deleteRuleForDeleteRuleString(
String rule) {
switch (rule) {
case "cascade":
return ManagedRelationshipDeleteRule.cascade;
case "nullify":
return ManagedRelationshipDeleteRule.nullify;
case "restrict":
return ManagedRelationshipDeleteRule.restrict;
case "default":
return ManagedRelationshipDeleteRule.setDefault;
}
return null;
}