feat!: remove Exception, unused resname classes for Java major versio…

…n bump (#814)

* fix!: remove extraneous thrown exception for Java major version bump (#784)

* fix(resnames)!: Do not generate unused resname classes (#785)

* fix: update goldens

src/main/java/com/google/api/generator/gapic/composer/comment/SettingsCommentComposer.java

@@ -16,7 +16,6 @@
 
 import com.google.api.generator.engine.ast.CommentStatement;
 import com.google.api.generator.engine.ast.JavaDocComment;
-import com.google.api.generator.engine.ast.LineComment;
 import com.google.api.generator.engine.ast.TypeNode;
 import com.google.api.generator.gapic.utils.JavaStyle;
 import com.google.common.base.Preconditions;
@@ -80,7 +79,6 @@ public class SettingsCommentComposer {
 
   public static final List<CommentStatement> APPLY_TO_ALL_UNARY_METHODS_METHOD_COMMENTS =
       Arrays.asList(
-              LineComment.withComment("NEXT_MAJOR_VER: remove 'throws Exception'."),
               JavaDocComment.builder()
                   .addComment(
                       "Applies the given settings updater function to all of the unary API methods"

src/main/java/com/google/api/generator/gapic/composer/common/AbstractServiceSettingsClassComposer.java

@@ -648,8 +648,6 @@ private static MethodDefinition createNestedBuilderApplyToAllUnaryMethod(
         .setReturnType(builderType)
         .setName(javaMethodName)
         .setArguments(Arrays.asList(settingsUpdaterVarExpr.toBuilder().setIsDecl(true).build()))
-        .setThrowsExceptions(
-            Arrays.asList(TypeNode.withReference(ConcreteReference.withClazz(Exception.class))))
         .setBody(Arrays.asList(ExprStatement.withExpr(applyMethodExpr)))
         .setReturnExpr(ValueExpr.withValue(ThisObjectValue.withType(builderType)))
         .build();

src/main/java/com/google/api/generator/gapic/composer/common/AbstractServiceStubSettingsClassComposer.java

@@ -1722,7 +1722,6 @@ private static MethodDefinition createNestedClassApplyToAllUnaryMethodsMethod(
         .setReturnType(returnType)
         .setName(methodName)
         .setArguments(settingsUpdaterVarExpr.toBuilder().setIsDecl(true).build())
-        .setThrowsExceptions(Arrays.asList(TypeNode.withExceptionClazz(Exception.class)))
         .setBody(Arrays.asList(ExprStatement.withExpr(superApplyExpr)))
         .setReturnExpr(returnExpr)
         .build();

src/main/java/com/google/api/generator/gapic/protoparser/Parser.java

@@ -142,6 +142,9 @@ public static GapicContext parse(CodeGeneratorRequest request) {
     Map<String, ResourceName> resourceNames = parseResourceNames(request);
     messages = updateResourceNamesInMessages(messages, resourceNames.values());
 
+    // Contains only resource names that are actually used. That is, resource name definitions
+    // or references that are simply defined, but not used, will not have corresponding Java helper
+    // classes generated.
     Set<ResourceName> outputArgResourceNames = new HashSet<>();
     List<Service> mixinServices = new ArrayList<>();
     Transport transport = Transport.parse(transportOpt.orElse(Transport.GRPC.toString()));
@@ -157,33 +160,6 @@ public static GapicContext parse(CodeGeneratorRequest request) {
             transport);
 
     Preconditions.checkState(!services.isEmpty(), "No services found to generate");
-    Function<ResourceName, String> typeNameFn =
-        r -> r.resourceTypeString().substring(r.resourceTypeString().indexOf("/") + 1);
-    Function<Set<ResourceName>, Set<String>> typeStringSetFn =
-        sr -> sr.stream().map(r -> typeNameFn.apply(r)).collect(Collectors.toSet());
-
-    // Include all resource names present in message types for backwards-compatibility with the
-    // monolith. In the future, this should be removed on a client library major semver update.
-    // Resolve type name collisions with the ones present in the method arguments.
-    final Set<String> typeStringSet = typeStringSetFn.apply(outputArgResourceNames);
-    outputArgResourceNames.addAll(
-        resourceNames.values().stream()
-            .filter(r -> r.hasParentMessageName() && !typeStringSet.contains(typeNameFn.apply(r)))
-            .collect(Collectors.toSet()));
-
-    String servicePackage = services.get(0).pakkage();
-    Map<String, ResourceName> patternsToResourceNames =
-        ResourceParserHelpers.createPatternResourceNameMap(resourceNames);
-    for (ResourceReference resourceReference : outputResourceReferencesSeen) {
-      final Set<String> interimTypeStringSet = typeStringSetFn.apply(outputArgResourceNames);
-      outputArgResourceNames.addAll(
-          ResourceReferenceParser.parseResourceNames(
-                  resourceReference, servicePackage, null, resourceNames, patternsToResourceNames)
-              .stream()
-              .filter(r -> !interimTypeStringSet.contains(typeNameFn.apply(r)))
-              .collect(Collectors.toSet()));
-    }
-
     return GapicContext.builder()
         .setServices(services)
         .setMixinServices(mixinServices)

src/test/java/com/google/api/generator/gapic/composer/grpc/goldens/DeprecatedServiceSettings.golden

@@ -155,14 +155,13 @@ public class DeprecatedServiceSettings extends ClientSettings<DeprecatedServiceS
       return ((DeprecatedServiceStubSettings.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;

src/test/java/com/google/api/generator/gapic/composer/grpc/goldens/DeprecatedServiceStubSettings.golden

@@ -250,14 +250,13 @@ public class DeprecatedServiceStubSettings extends StubSettings<DeprecatedServic
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

src/test/java/com/google/api/generator/gapic/composer/grpc/goldens/EchoSettings.golden

@@ -200,14 +200,13 @@ public class EchoSettings extends ClientSettings<EchoSettings> {
       return ((EchoStubSettings.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;

src/test/java/com/google/api/generator/gapic/composer/grpc/goldens/EchoStubSettings.golden

@@ -547,14 +547,13 @@ public class EchoStubSettings extends StubSettings<EchoStubSettings> {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

src/test/java/com/google/api/generator/gapic/composer/grpc/goldens/LoggingServiceV2StubSettings.golden

@@ -666,14 +666,13 @@ public class LoggingServiceV2StubSettings extends StubSettings<LoggingServiceV2S
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

src/test/java/com/google/api/generator/gapic/composer/grpc/goldens/PublisherStubSettings.golden

@@ -724,14 +724,13 @@ public class PublisherStubSettings extends StubSettings<PublisherStubSettings> {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

src/test/java/com/google/api/generator/gapic/composer/rest/goldens/ComplianceSettings.golden

@@ -166,14 +166,13 @@ public class ComplianceSettings extends ClientSettings<ComplianceSettings> {
       return ((ComplianceStubSettings.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;

src/test/java/com/google/api/generator/gapic/composer/rest/goldens/ComplianceStubSettings.golden

@@ -548,14 +548,13 @@ public class EchoStubSettings extends StubSettings<EchoStubSettings> {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

test/integration/goldens/asset/com/google/cloud/asset/v1/AssetServiceSettings.java

@@ -245,14 +245,13 @@ public AssetServiceStubSettings.Builder getStubSettingsBuilder() {
       return ((AssetServiceStubSettings.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;

test/integration/goldens/asset/com/google/cloud/asset/v1/stub/AssetServiceStubSettings.java

@@ -820,14 +820,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

test/integration/goldens/compute/com/google/cloud/compute/v1/AddressesSettings.java

@@ -177,14 +177,13 @@ public AddressesStubSettings.Builder getStubSettingsBuilder() {
       return ((AddressesStubSettings.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;

test/integration/goldens/compute/com/google/cloud/compute/v1/RegionOperationsSettings.java

@@ -158,14 +158,13 @@ public RegionOperationsStubSettings.Builder getStubSettingsBuilder() {
       return ((RegionOperationsStubSettings.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;

test/integration/goldens/compute/com/google/cloud/compute/v1/stub/AddressesStubSettings.java

@@ -454,14 +454,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

test/integration/goldens/compute/com/google/cloud/compute/v1/stub/RegionOperationsStubSettings.java

@@ -249,14 +249,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

test/integration/goldens/credentials/com/google/cloud/iam/credentials/v1/IamCredentialsSettings.java

@@ -175,14 +175,13 @@ public IamCredentialsStubSettings.Builder getStubSettingsBuilder() {
       return ((IamCredentialsStubSettings.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;

test/integration/goldens/credentials/com/google/cloud/iam/credentials/v1/stub/IamCredentialsStubSettings.java

@@ -312,14 +312,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }

test/integration/goldens/iam/com/google/iam/v1/IAMPolicySettings.java

@@ -166,14 +166,13 @@ public IAMPolicyStubSettings.Builder getStubSettingsBuilder() {
       return ((IAMPolicyStubSettings.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;

test/integration/goldens/iam/com/google/iam/v1/package-info.java

@@ -48,7 +48,7 @@
  * try (IAMPolicyClient iAMPolicyClient = IAMPolicyClient.create()) {
  *   SetIamPolicyRequest request =
  *       SetIamPolicyRequest.newBuilder()
- *           .setResource("SetIamPolicyRequest1223629066".toString())
+ *           .setResource("resource-341064690")
  *           .setPolicy(Policy.newBuilder().build())
  *           .build();
  *   Policy response = iAMPolicyClient.setIamPolicy(request);

test/integration/goldens/iam/com/google/iam/v1/stub/IAMPolicyStubSettings.java

@@ -280,14 +280,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // 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(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }