- public LeaderStateChanged(String memberId, String leaderId) {
- this.memberId = memberId;
+ public LeaderStateChanged(@Nonnull String memberId, @Nullable String leaderId, short leaderPayloadVersion) {
+ this.memberId = Preconditions.checkNotNull(memberId);
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("LeaderStateChanged [memberId=").append(memberId).append(", leaderId=").append(leaderId)
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("LeaderStateChanged [memberId=").append(memberId).append(", leaderId=").append(leaderId)