Adapt to ProjectCache interface change

Change-Id: I8ae19e4d2914230536ba932fba18b9c923859f77
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java b/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java
index 1524c2a..7e4298b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/Destination.java
@@ -14,6 +14,7 @@
 
 package com.googlesource.gerrit.plugins.replication;
 
+import static com.google.gerrit.server.project.ProjectCache.noSuchProject;
 import static com.googlesource.gerrit.plugins.replication.PushResultProcessing.resolveNodeName;
 import static com.googlesource.gerrit.plugins.replication.ReplicationFileBasedConfig.replaceName;
 import static org.eclipse.jgit.transport.RemoteRefUpdate.Status.NON_EXISTING;
@@ -30,6 +31,7 @@
 import com.google.gerrit.entities.BranchNameKey;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.entities.RefNames;
+import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.extensions.config.FactoryModule;
 import com.google.gerrit.extensions.registration.DynamicItem;
 import com.google.gerrit.extensions.restapi.AuthException;
@@ -302,13 +304,10 @@
               () -> {
                 ProjectState projectState;
                 try {
-                  projectState = projectCache.checkedGet(project);
-                } catch (IOException e) {
+                  projectState = projectCache.get(project).orElseThrow(noSuchProject(project));
+                } catch (StorageException e) {
                   return false;
                 }
-                if (projectState == null) {
-                  throw new NoSuchProjectException(project);
-                }
                 if (!projectState.statePermitsRead()) {
                   return false;
                 }
@@ -346,13 +345,10 @@
               () -> {
                 ProjectState projectState;
                 try {
-                  projectState = projectCache.checkedGet(project);
-                } catch (IOException e) {
+                  projectState = projectCache.get(project).orElseThrow(noSuchProject(project));
+                } catch (StorageException e) {
                   return false;
                 }
-                if (projectState == null) {
-                  throw new NoSuchProjectException(project);
-                }
                 return shouldReplicate(projectState, userProvider.get());
               })
           .call();
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java b/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
index df6cc42..8208264 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
@@ -54,6 +54,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 import org.eclipse.jgit.errors.NoRemoteRepositoryException;
@@ -494,8 +495,8 @@
 
   private List<RemoteRefUpdate> generateUpdates(Transport tn)
       throws IOException, PermissionBackendException {
-    ProjectState projectState = projectCache.checkedGet(projectName);
-    if (projectState == null) {
+    Optional<ProjectState> projectState = projectCache.get(projectName);
+    if (!projectState.isPresent()) {
       return Collections.emptyList();
     }
 
@@ -504,7 +505,7 @@
     boolean filter;
     PermissionBackend.ForProject forProject = permissionBackend.currentUser().project(projectName);
     try {
-      projectState.checkStatePermitsRead();
+      projectState.get().checkStatePermitsRead();
       forProject.check(ProjectPermission.READ);
       filter = false;
     } catch (AuthException | ResourceConflictException e) {
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
index c09fcd1..94f0dc4 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
@@ -41,6 +41,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
@@ -245,9 +246,9 @@
     return push;
   }
 
-  private void setupProjectCacheMock() throws IOException {
+  private void setupProjectCacheMock() {
     projectCacheMock = mock(ProjectCache.class);
-    when(projectCacheMock.checkedGet(projectNameKey)).thenReturn(projectStateMock);
+    when(projectCacheMock.get(projectNameKey)).thenReturn(Optional.of(projectStateMock));
   }
 
   private void setupTransportMock() throws NotSupportedException, TransportException {