Replace jsr305's CheckReturnValue with Error Prone's

api/src/main/java/io/grpc/CallOptions.java

@@ -21,14 +21,14 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.concurrent.TimeUnit;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 

api/src/main/java/io/grpc/MethodDescriptor.java

@@ -20,9 +20,9 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import java.io.InputStream;
 import java.util.concurrent.atomic.AtomicReferenceArray;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 

api/src/main/java/io/grpc/Status.java

@@ -23,14 +23,14 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Metadata.TrustedAsciiMarshaller;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.TreeMap;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 

api/src/testFixtures/java/io/grpc/testing/DeadlineSubject.java

@@ -24,9 +24,9 @@
 import com.google.common.truth.ComparableSubject;
 import com.google.common.truth.FailureMetadata;
 import com.google.common.truth.Subject;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Deadline;
 import java.util.concurrent.TimeUnit;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 
 /** Propositions for {@link Deadline} subjects. */

binder/src/main/java/io/grpc/binder/AsyncSecurityPolicy.java

@@ -17,11 +17,11 @@
 package io.grpc.binder;
 
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.ExperimentalApi;
 import io.grpc.Status;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
-import javax.annotation.CheckReturnValue;
 
 /**
  * Decides whether a given Android UID is authorized to access some resource.

binder/src/main/java/io/grpc/binder/SecurityPolicy.java

@@ -16,8 +16,8 @@
 
 package io.grpc.binder;
 
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Status;
-import javax.annotation.CheckReturnValue;
 
 /**
  * Decides whether a given Android UID is authorized to access some resource.

binder/src/main/java/io/grpc/binder/ServerSecurityPolicy.java

@@ -19,10 +19,10 @@
 import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Status;
 import java.util.HashMap;
 import java.util.Map;
-import javax.annotation.CheckReturnValue;
 
 /**
  * A security policy for a gRPC server.

binder/src/main/java/io/grpc/binder/UntrustedSecurityPolicies.java

@@ -16,9 +16,9 @@
 
 package io.grpc.binder;
 
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.ExperimentalApi;
 import io.grpc.Status;
-import javax.annotation.CheckReturnValue;
 
 /** Static factory methods for creating untrusted security policies. */
 @CheckReturnValue

binder/src/main/java/io/grpc/binder/internal/BinderTransport.java

@@ -35,6 +35,7 @@
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.CallOptions;
 import io.grpc.ClientStreamTracer;
@@ -78,7 +79,6 @@
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.GuardedBy;
 import javax.annotation.concurrent.ThreadSafe;

binder/src/main/java/io/grpc/binder/internal/BinderTransportSecurity.java

@@ -20,6 +20,7 @@
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.Internal;
 import io.grpc.Metadata;
@@ -35,7 +36,6 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Executor;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 
 /**

core/src/main/java/io/grpc/internal/ClientTransportFactory.java

@@ -18,6 +18,7 @@
 
 import com.google.common.base.Objects;
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.CallCredentials;
 import io.grpc.ChannelCredentials;
@@ -27,7 +28,6 @@
 import java.net.SocketAddress;
 import java.util.Collection;
 import java.util.concurrent.ScheduledExecutorService;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 
 /** Pre-configured factory for creating {@link ConnectionClientTransport} instances. */

core/src/main/java/io/grpc/internal/DelayedStream.java

@@ -20,6 +20,7 @@
 import static com.google.common.base.Preconditions.checkState;
 
 import com.google.common.annotations.VisibleForTesting;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.Compressor;
 import io.grpc.Deadline;
@@ -30,7 +31,6 @@
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.concurrent.GuardedBy;
 
 /**

core/src/main/java/io/grpc/internal/KeepAliveEnforcer.java

@@ -18,8 +18,8 @@
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import java.util.concurrent.TimeUnit;
-import javax.annotation.CheckReturnValue;
 
 /** Monitors the client's PING usage to make sure the rate is permitted. */
 public final class KeepAliveEnforcer {

core/src/main/java/io/grpc/internal/ManagedClientTransport.java

@@ -16,9 +16,9 @@
 
 package io.grpc.internal;
 
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.Status;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.ThreadSafe;
 

core/src/main/java/io/grpc/internal/RetriableStream.java

@@ -22,6 +22,7 @@
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Objects;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.ClientStreamTracer;
 import io.grpc.Compressor;
@@ -47,7 +48,6 @@
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 import javax.annotation.CheckForNull;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.GuardedBy;
 

core/src/main/java/io/grpc/internal/TransportFrameUtil.java

@@ -19,13 +19,13 @@
 import static java.nio.charset.StandardCharsets.US_ASCII;
 
 import com.google.common.io.BaseEncoding;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.InternalMetadata;
 import io.grpc.Metadata;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 
 /**
  * Utility functions for transport layer framing.

inprocess/src/main/java/io/grpc/inprocess/InProcessTransport.java

@@ -24,6 +24,7 @@
 import com.google.common.io.ByteStreams;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.SettableFuture;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.CallOptions;
 import io.grpc.ClientStreamTracer;
@@ -74,7 +75,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.GuardedBy;
 import javax.annotation.concurrent.ThreadSafe;

netty/src/main/java/io/grpc/netty/ProtocolNegotiationEvent.java

@@ -20,10 +20,10 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Attributes;
 import io.grpc.Internal;
 import io.grpc.InternalChannelz.Security;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 
 /**

netty/src/main/java/io/grpc/netty/Utils.java

@@ -27,6 +27,7 @@
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.InternalChannelz;
 import io.grpc.InternalMetadata;
 import io.grpc.Metadata;
@@ -68,7 +69,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.net.ssl.SSLException;
 

netty/src/main/java/io/grpc/netty/package-info.java

@@ -18,5 +18,5 @@
  * The main transport implementation based on <a target="_blank" href="http://netty.io">Netty</a>,
  * for both the client and the server.
  */
-@javax.annotation.CheckReturnValue
+@com.google.errorprone.annotations.CheckReturnValue
 package io.grpc.netty;

okhttp/src/main/java/io/grpc/okhttp/OkHttpChannelBuilder.java

@@ -22,6 +22,7 @@
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.CallCredentials;
 import io.grpc.ChannelCredentials;
 import io.grpc.ChannelLogger;
@@ -72,7 +73,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.net.SocketFactory;
 import javax.net.ssl.HostnameVerifier;

okhttp/src/main/java/io/grpc/okhttp/Utils.java

@@ -17,6 +17,7 @@
 package io.grpc.okhttp;
 
 import com.google.common.base.Preconditions;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.InternalChannelz;
 import io.grpc.InternalMetadata;
 import io.grpc.Metadata;
@@ -29,7 +30,6 @@
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 
 /**
  * Common utility methods for OkHttp transport.

protobuf/BUILD.bazel

@@ -12,6 +12,7 @@ java_library(
         "@com_google_protobuf//:protobuf_java",
         artifact("com.google.api.grpc:proto-google-common-protos"),
         artifact("com.google.code.findbugs:jsr305"),
+        artifact("com.google.errorprone:error_prone_annotations"),
         artifact("com.google.guava:guava"),
     ],
 )

protobuf/src/main/java/io/grpc/protobuf/ProtoMethodDescriptorSupplier.java

@@ -16,8 +16,8 @@
 
 package io.grpc.protobuf;
 
+import com.google.errorprone.annotations.CheckReturnValue;
 import com.google.protobuf.Descriptors.MethodDescriptor;
-import javax.annotation.CheckReturnValue;
 
 /**
  * Provides access to the underlying proto service method descriptor.

rls/BUILD.bazel

@@ -19,6 +19,7 @@ java_library(
         "@io_grpc_grpc_proto//:rls_java_proto",
         artifact("com.google.auto.value:auto-value-annotations"),
         artifact("com.google.code.findbugs:jsr305"),
+        artifact("com.google.errorprone:error_prone_annotations"),
         artifact("com.google.guava:guava"),
     ],
 )

rls/src/main/java/io/grpc/rls/CachingRlsLbClient.java

@@ -28,6 +28,7 @@
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
 import com.google.common.util.concurrent.SettableFuture;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.ChannelLogger;
 import io.grpc.ChannelLogger.ChannelLogLevel;
 import io.grpc.ConnectivityState;
@@ -73,7 +74,6 @@
 import java.util.concurrent.Future;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.GuardedBy;
 import javax.annotation.concurrent.ThreadSafe;

rls/src/main/java/io/grpc/rls/LinkedHashLruCache.java

@@ -22,14 +22,14 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Ticker;
+import com.google.errorprone.annotations.CheckReturnValue;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 
 /**

rls/src/main/java/io/grpc/rls/LruCache.java

@@ -16,7 +16,7 @@
 
 package io.grpc.rls;
 
-import javax.annotation.CheckReturnValue;
+import com.google.errorprone.annotations.CheckReturnValue;
 import javax.annotation.Nullable;
 
 /** An LruCache is a cache with least recently used eviction. */

rls/src/main/java/io/grpc/rls/RlsRequestFactory.java

@@ -20,6 +20,7 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.collect.ImmutableMap;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.Metadata;
 import io.grpc.rls.RlsProtoData.ExtraKeys;
 import io.grpc.rls.RlsProtoData.GrpcKeyBuilder;
@@ -30,7 +31,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import javax.annotation.CheckReturnValue;
 
 /**
  * A RlsRequestFactory creates {@link RouteLookupRequest} using key builder map from {@link

servlet/src/main/java/io/grpc/servlet/AsyncServletOutputStreamWriter.java

@@ -22,6 +22,7 @@
 import static java.util.logging.Level.FINEST;
 
 import com.google.common.annotations.VisibleForTesting;
+import com.google.errorprone.annotations.CheckReturnValue;
 import io.grpc.InternalLogId;
 import io.grpc.servlet.ServletServerStream.ServletTransportState;
 import java.io.IOException;
@@ -34,7 +35,6 @@
 import java.util.function.BooleanSupplier;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
 import javax.servlet.AsyncContext;
 import javax.servlet.ServletOutputStream;