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

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@ -32,7 +32,6 @@ import com.google.appengine.api.taskqueue.TaskOptions.Method;
import com.google.appengine.api.taskqueue.TransientFailureException;
import com.google.apphosting.api.DeadlineExceededException;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.net.InternetDomainName;
import google.registry.dns.DnsConstants.TargetType;
@ -40,6 +39,7 @@ import google.registry.model.registry.Registries;
import google.registry.util.FormattingLogger;
import google.registry.util.NonFinalForTesting;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import javax.inject.Inject;

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@ -26,7 +26,6 @@ import com.google.appengine.api.taskqueue.Queue;
import com.google.appengine.api.taskqueue.TaskHandle;
import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.auto.value.AutoValue;
import com.google.common.base.Optional;
import com.google.common.collect.ComparisonChain;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
@ -48,6 +47,7 @@ import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Random;
import java.util.Set;
import javax.inject.Inject;

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@ -24,7 +24,6 @@ import com.google.api.services.dns.model.Change;
import com.google.api.services.dns.model.ResourceRecordSet;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
@ -49,6 +48,7 @@ import java.net.InetAddress;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.Callable;
import javax.inject.Inject;
@ -116,7 +116,7 @@ public class CloudDnsWriter extends BaseDnsWriter {
// Load the target domain. Note that it can be null if this domain was just deleted.
Optional<DomainResource> domainResource =
Optional.fromNullable(loadByForeignKey(DomainResource.class, domainName, clock.nowUtc()));
Optional.ofNullable(loadByForeignKey(DomainResource.class, domainName, clock.nowUtc()));
// Return early if no DNS records should be published.
// desiredRecordsBuilder is populated with an empty set to indicate that all existing records
@ -186,7 +186,7 @@ public class CloudDnsWriter extends BaseDnsWriter {
// desiredRecords is populated with an empty set to indicate that all existing records
// should be deleted.
Optional<HostResource> host =
Optional.fromNullable(loadByForeignKey(HostResource.class, hostName, clock.nowUtc()));
Optional.ofNullable(loadByForeignKey(HostResource.class, hostName, clock.nowUtc()));
// Return early if the host is deleted.
if (!host.isPresent()) {

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@ -20,7 +20,6 @@ import com.google.api.client.json.JsonFactory;
import com.google.api.services.dns.Dns;
import com.google.api.services.dns.DnsScopes;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.util.concurrent.RateLimiter;
import dagger.Module;
import dagger.Provides;
@ -29,6 +28,7 @@ import dagger.multibindings.IntoSet;
import dagger.multibindings.StringKey;
import google.registry.config.RegistryConfig.Config;
import google.registry.dns.writer.DnsWriter;
import java.util.Optional;
import java.util.Set;
import javax.inject.Named;

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@ -20,7 +20,6 @@ import static com.google.common.collect.Sets.union;
import static google.registry.model.EppResourceUtils.loadByForeignKey;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.net.InternetDomainName;
@ -36,6 +35,7 @@ import java.io.IOException;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.util.Optional;
import javax.inject.Inject;
import org.joda.time.Duration;
import org.xbill.DNS.AAAARecord;