fix: isolate stub.close change to another PR

Author: miraleung

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

@@ -40,8 +40,6 @@
 import com.google.api.generator.engine.ast.ScopeNode;
 import com.google.api.generator.engine.ast.Statement;
 import com.google.api.generator.engine.ast.ThisObjectValue;
-import com.google.api.generator.engine.ast.ThrowExpr;
-import com.google.api.generator.engine.ast.TryCatchStatement;
 import com.google.api.generator.engine.ast.TypeNode;
 import com.google.api.generator.engine.ast.ValueExpr;
 import com.google.api.generator.engine.ast.Variable;
@@ -793,23 +791,6 @@ private List<MethodDefinition> createStubOverrideMethods(
                         .build())
                 .build();
 
-    // Generate the close() method:
-    //   @Override
-    //   public final void close() {
-    //     try {
-    //       backgroundResources.close();
-    //     } catch (Exception e) {
-    //       throw new IllegalStateException("Failed to close resource", e);
-    //     }
-    //  }
-    VariableExpr catchExceptionVarExpr =
-        VariableExpr.builder()
-            .setVariable(
-                Variable.builder()
-                    .setType(TypeNode.withExceptionClazz(Exception.class))
-                    .setName("e")
-                    .build())
-            .build();
     List<MethodDefinition> javaMethods = new ArrayList<>();
     javaMethods.add(
         methodMakerStarterFn
@@ -818,26 +799,8 @@ private List<MethodDefinition> createStubOverrideMethods(
             .setReturnType(TypeNode.VOID)
             .setBody(
                 Arrays.asList(
-                    TryCatchStatement.builder()
-                        .setTryBody(
-                            Arrays.asList(
-                                ExprStatement.withExpr(
-                                    MethodInvocationExpr.builder()
-                                        .setExprReferenceExpr(backgroundResourcesVarExpr)
-                                        .setMethodName("close")
-                                        .build())))
-                        .addCatch(
-                            catchExceptionVarExpr.toBuilder().setIsDecl(true).build(),
-                            Arrays.asList(
-                                ExprStatement.withExpr(
-                                    ThrowExpr.builder()
-                                        .setType(
-                                            TypeNode.withExceptionClazz(
-                                                IllegalStateException.class))
-                                        .setMessageExpr(String.format("Failed to close resource"))
-                                        .setCauseExpr(catchExceptionVarExpr)
-                                        .build())))
-                        .build()))
+                    ExprStatement.withExpr(
+                        MethodInvocationExpr.builder().setMethodName("shutdown").build())))
             .build());
     javaMethods.add(voidMethodMakerFn.apply("shutdown"));
     javaMethods.add(booleanMethodMakerFn.apply("isShutdown"));

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

@@ -125,11 +125,7 @@ public class GrpcDeprecatedServiceStub extends DeprecatedServiceStub {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -341,11 +341,7 @@ public class GrpcEchoStub extends EchoStub {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -430,11 +430,7 @@ public class GrpcPublisherStub extends PublisherStub {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -382,11 +382,7 @@ public class GrpcTestingStub extends TestingStub {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -484,11 +484,7 @@ public class HttpJsonComplianceStub extends ComplianceStub {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -598,11 +598,7 @@ public UnaryCallable<DeleteFeedRequest, Empty> deleteFeedCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -403,11 +403,7 @@ public UnaryCallable<ListAddressesRequest, ListPagedResponse> listPagedCallable(
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -167,11 +167,7 @@ public UnaryCallable<GetRegionOperationRequest, Operation> getCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -239,11 +239,7 @@ public UnaryCallable<SignJwtRequest, SignJwtResponse> signJwtCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

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

@@ -197,11 +197,7 @@ public UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/kms/com/google/cloud/kms/v1/stub/GrpcKeyManagementServiceStub.java

@@ -1119,11 +1119,7 @@ public UnaryCallable<GetLocationRequest, Location> getLocationCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/library/com/google/cloud/example/library/v1/stub/GrpcLibraryServiceStub.java

@@ -450,11 +450,7 @@ public UnaryCallable<MoveBookRequest, Book> moveBookCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/logging/com/google/cloud/logging/v2/stub/GrpcConfigServiceV2Stub.java

@@ -889,11 +889,7 @@ public UnaryCallable<UpdateCmekSettingsRequest, CmekSettings> updateCmekSettings
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/logging/com/google/cloud/logging/v2/stub/GrpcLoggingServiceV2Stub.java

@@ -328,11 +328,7 @@ public UnaryCallable<ListLogsRequest, ListLogsPagedResponse> listLogsPagedCallab
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/logging/com/google/cloud/logging/v2/stub/GrpcMetricsServiceV2Stub.java

@@ -279,11 +279,7 @@ public UnaryCallable<DeleteLogMetricRequest, Empty> deleteLogMetricCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/pubsub/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java

@@ -549,11 +549,7 @@ public UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/pubsub/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java

@@ -412,11 +412,7 @@ public UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/pubsub/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java

@@ -762,11 +762,7 @@ public UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/redis/com/google/cloud/redis/v1beta1/stub/GrpcCloudRedisStub.java

@@ -505,11 +505,7 @@ public OperationCallable<DeleteInstanceRequest, Empty, Any> deleteInstanceOperat
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override

test/integration/goldens/storage/com/google/storage/v2/stub/GrpcStorageStub.java

@@ -201,11 +201,7 @@ public ClientStreamingCallable<WriteObjectRequest, WriteObjectResponse> writeObj
 
   @Override
   public final void close() {
-    try {
-      backgroundResources.close();
-    } catch (Exception e) {
-      throw new IllegalStateException("Failed to close resource", e);
-    }
+    shutdown();
   }
 
   @Override