feat!: Java 8 breaking generator changes (#453)

* chore: release gapic-generator-java v1.0.17

Committer: @miraleung
PiperOrigin-RevId: 388499329

Source-Author: Google APIs <noreply@google.com>
Source-Date: Tue Aug 3 11:12:29 2021 -0700
Source-Repo: googleapis/googleapis
Source-Sha: bb0a090d9204110042ab5dee2ce9e06e8071ce54
Source-Link: googleapis/googleapis@bb0a090

* feat!: release gapic-generator-java v2.0.0

Committer: @miraleung
PiperOrigin-RevId: 388535346

Source-Author: Google APIs <noreply@google.com>
Source-Date: Tue Aug 3 13:48:38 2021 -0700
Source-Repo: googleapis/googleapis
Source-Sha: d9eaf41de44d953458b18712a3f240bb4c564e48
Source-Link: googleapis/googleapis@d9eaf41

Author: yoshi-automation

google-cloud-bigqueryreservation/src/main/java/com/google/cloud/bigquery/reservation/v1/ReservationServiceClient.java

@@ -16,7 +16,6 @@
 
 package com.google.cloud.bigquery.reservation.v1;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -2838,12 +2837,7 @@ public static ApiFuture<ListReservationsPagedResponse> createAsync(
           ListReservationsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListReservationsPage, ListReservationsPagedResponse>() {
-            @Override
-            public ListReservationsPagedResponse apply(ListReservationsPage input) {
-              return new ListReservationsPagedResponse(input);
-            }
-          },
+          input -> new ListReservationsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -2922,12 +2916,7 @@ public static ApiFuture<ListCapacityCommitmentsPagedResponse> createAsync(
           ListCapacityCommitmentsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListCapacityCommitmentsPage, ListCapacityCommitmentsPagedResponse>() {
-            @Override
-            public ListCapacityCommitmentsPagedResponse apply(ListCapacityCommitmentsPage input) {
-              return new ListCapacityCommitmentsPagedResponse(input);
-            }
-          },
+          input -> new ListCapacityCommitmentsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -3013,12 +3002,7 @@ public static ApiFuture<ListAssignmentsPagedResponse> createAsync(
           ListAssignmentsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListAssignmentsPage, ListAssignmentsPagedResponse>() {
-            @Override
-            public ListAssignmentsPagedResponse apply(ListAssignmentsPage input) {
-              return new ListAssignmentsPagedResponse(input);
-            }
-          },
+          input -> new ListAssignmentsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -3095,12 +3079,7 @@ public static ApiFuture<SearchAssignmentsPagedResponse> createAsync(
           SearchAssignmentsPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<SearchAssignmentsPage, SearchAssignmentsPagedResponse>() {
-            @Override
-            public SearchAssignmentsPagedResponse apply(SearchAssignmentsPage input) {
-              return new SearchAssignmentsPagedResponse(input);
-            }
-          },
+          input -> new SearchAssignmentsPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 

google-cloud-bigqueryreservation/src/main/java/com/google/cloud/bigquery/reservation/v1/ReservationServiceSettings.java

@@ -272,14 +272,13 @@ public ReservationServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((ReservationServiceStubSettings.Builder) getStubSettings());
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(
           getStubSettingsBuilder().unaryMethodSettingsBuilders(), settingsUpdater);
       return this;