private void initializeLazily()

in sources/src/main/java/com/google/solutions/jitaccess/catalog/legacy/LegacyPolicy.java [228:271]
34 lines of code
6 McCabe index (conditional complexity)

    private void initializeLazily() {
      synchronized (this.initialized) {
        if (!this.initialized.get()) {
          this.initialized.set(true);

          var roles = new HashMap<String, RolePolicy>();
          for (var binding : this.loadBindings.get()) {
            try {
              var role = RolePolicy.fromBinding(this.projectId, binding);
              if (role.isEmpty()) {
                //
                // Not a JIT- or MPA eligible role, ignore.
                //
              }
              else if (roles.containsKey(role.get().name())) {
                //
                // Role added already. This can happen if the same IAM role
                // is JIt-eligible to some users, and MPA-eligible to others.
                // In this case, we need to merge the two ACLs.
                //
                roles.put(role.get().name(), RolePolicy.merge(roles.get(role.get().name()), role.get()));
              }
              else {
                roles.put(role.get().name(), role.get());
              }
            }
            catch (Exception e) {
              this.incompatibilities.add(new JitGroupCompliance(
                new JitGroupId(
                  LegacyPolicy.NAME,
                  this.displayName(),
                  RolePolicy.createName(new IamRole(binding.getRole())))                ,
                null,
                null,
                new UnsupportedOperationException(
                  String.format("The role '%s' cannot be mapped to a JIT Group", binding.getRole()),
                  e)));
            }
          }

          roles.values().forEach(super::add);
        }
      }
    }