Switch from Guava Optionals to Java 8 Optionals

This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
This commit is contained in:
mcilwain 2017-10-11 13:09:26 -07:00 committed by jianglai
parent 184b2b56ac
commit c0f8da0c6e
581 changed files with 1325 additions and 932 deletions

View file

@ -22,12 +22,12 @@ import static java.util.concurrent.TimeUnit.MILLISECONDS;
import com.google.common.base.Ascii;
import com.google.common.base.CharMatcher;
import com.google.common.base.Optional;
import com.google.common.primitives.Ints;
import com.googlecode.objectify.annotation.Embed;
import com.googlecode.objectify.annotation.IgnoreSave;
import com.googlecode.objectify.condition.IfNull;
import google.registry.model.ImmutableObject;
import java.util.Optional;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlType;
@ -64,7 +64,7 @@ public class LaunchNotice extends ImmutableObject {
public String getValidatorId() {
// The default value is "tmch".
return Optional.fromNullable(validatorId).or("tmch");
return Optional.ofNullable(validatorId).orElse("tmch");
}
}
@ -78,7 +78,7 @@ public class LaunchNotice extends ImmutableObject {
DateTime acceptedTime;
public NoticeIdType getNoticeId() {
return Optional.fromNullable(noticeId).or(EMPTY_NOTICE_ID);
return Optional.ofNullable(noticeId).orElse(EMPTY_NOTICE_ID);
}
public DateTime getExpirationTime() {