api: Add java.time.Duration overloads to CallOptions, AbstractStub

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

@@ -17,9 +17,11 @@
 package io.grpc;
 
 import static com.google.common.base.Preconditions.checkArgument;
+import static io.grpc.TimeUtils.convert;
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
+import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -176,6 +178,10 @@ public CallOptions withDeadlineAfter(long duration, TimeUnit unit) {
     return withDeadline(Deadline.after(duration, unit));
   }
 
+  public CallOptions withDeadlineAfter(Duration duration) {
+    return withDeadlineAfter(convert(duration), TimeUnit.NANOSECONDS);
+  }
+
   /**
    * Returns the deadline or {@code null} if the deadline is not set.
    */

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

@@ -18,8 +18,10 @@
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
+import static io.grpc.TimeUtils.convert;
 
 import java.lang.Thread.UncaughtExceptionHandler;
+import java.time.Duration;
 import java.util.Queue;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.Executor;
@@ -193,6 +195,13 @@ public String toString() {
     return new ScheduledHandle(runnable, future);
   }
 
+  public final ScheduledHandle scheduleWithFixedDelay(
+      final Runnable task, Duration initialDelay, Duration delay,
+      ScheduledExecutorService timerService) {
+    return scheduleWithFixedDelay(task, convert(initialDelay), convert(delay),
+        TimeUnit.NANOSECONDS, timerService);
+  }
+
 
   private static class ManagedRunnable implements Runnable {
     final Runnable task;
@@ -246,4 +255,4 @@ public boolean isPending() {
       return !(runnable.hasStarted || runnable.isCancelled);
     }
   }
-}
+}

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

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 The gRPC Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.grpc;
+
+import java.time.Duration;
+
+public final class TimeUtils {
+  public static long convert(Duration duration) {
+    try {
+      return duration.toNanos();
+    } catch (ArithmeticException tooBig) {
+      return duration.isNegative() ? Long.MIN_VALUE : Long.MAX_VALUE;
+    }
+  }
+}

api/src/test/java/io/grpc/CallOptionsTest.java

@@ -32,6 +32,7 @@
 import com.google.common.base.Objects;
 import io.grpc.ClientStreamTracer.StreamInfo;
 import io.grpc.internal.SerializingExecutor;
+import java.time.Duration;
 import java.util.concurrent.Executor;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -150,6 +151,14 @@ public void withDeadlineAfter() {
     assertAbout(deadline()).that(actual).isWithin(10, MILLISECONDS).of(expected);
   }
 
+  @Test
+  public void withDeadlineAfterDuration() {
+    Deadline actual = CallOptions.DEFAULT.withDeadlineAfter(Duration.ofMinutes(1L)).getDeadline();
+    Deadline expected = Deadline.after(1, MINUTES);
+
+    assertAbout(deadline()).that(actual).isWithin(10, MILLISECONDS).of(expected);
+  }
+
   @Test
   public void toStringMatches_noDeadline_default() {
     String actual = allSet

api/src/test/java/io/grpc/SynchronizationContextTest.java

@@ -27,6 +27,7 @@
 
 import com.google.common.util.concurrent.testing.TestingExecutors;
 import io.grpc.SynchronizationContext.ScheduledHandle;
+import java.time.Duration;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -72,7 +73,7 @@ public void uncaughtException(Thread t, Throwable e) {
 
   @Mock
   private Runnable task3;
-  
+
   @After public void tearDown() {
     assertThat(uncaughtErrors).isEmpty();
   }
@@ -246,6 +247,24 @@ public void schedule() {
     verify(task1).run();
   }
 
+  @Test
+  public void scheduleWithFixedDelayDuration() {
+    MockScheduledExecutorService executorService = new MockScheduledExecutorService();
+    ScheduledHandle handle =
+        syncContext.scheduleWithFixedDelay(task1, Duration.ofSeconds(10),
+            Duration.ofSeconds(10), executorService);
+
+    assertThat(executorService.delay)
+        .isEqualTo(executorService.unit.convert(10, TimeUnit.SECONDS));
+    assertThat(handle.isPending()).isTrue();
+    verify(task1, never()).run();
+
+    executorService.command.run();
+
+    assertThat(handle.isPending()).isFalse();
+    verify(task1).run();
+  }
+
   @Test
   public void scheduleDueImmediately() {
     MockScheduledExecutorService executorService = new MockScheduledExecutorService();
@@ -357,5 +376,13 @@ static class MockScheduledExecutorService extends ForwardingScheduledExecutorSer
       this.unit = unit;
       return future = super.schedule(command, delay, unit);
     }
+
+    @Override public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, long intialDelay,
+        long delay, TimeUnit unit) {
+      this.command = command;
+      this.delay = delay;
+      this.unit = unit;
+      return future = super.scheduleWithFixedDelay(command, intialDelay, delay, unit);
+    }
   }
-}
+}

api/src/test/java/io/grpc/TimeUtilsTest.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2024 The gRPC Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.grpc;
+
+import static org.junit.Assert.assertEquals;
+
+import java.time.Duration;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link TimeUtils}. */
+@RunWith(JUnit4.class)
+public class TimeUtilsTest {
+
+  @Test
+  public void testConvertNormalDuration() {
+    Duration duration = Duration.ofSeconds(10);
+    long expected = 10 * 1_000_000_000L;
+
+    assertEquals(expected, TimeUtils.convert(duration));
+  }
+
+  @Test
+  public void testConvertNegativeDuration() {
+    Duration duration = Duration.ofSeconds(-3);
+    long expected = -3 * 1_000_000_000L;
+
+    assertEquals(expected, TimeUtils.convert(duration));
+  }
+
+  @Test
+  public void testConvertTooLargeDuration() {
+    Duration duration = Duration.ofSeconds(Long.MAX_VALUE / 1_000_000_000L + 1);
+
+    assertEquals(Long.MAX_VALUE, TimeUtils.convert(duration));
+  }
+
+  @Test
+  public void testConvertTooLargeNegativeDuration() {
+    Duration duration = Duration.ofSeconds(Long.MIN_VALUE / 1_000_000_000L - 1);
+
+    assertEquals(Long.MIN_VALUE, TimeUtils.convert(duration));
+  }
+}

stub/src/main/java/io/grpc/stub/AbstractStub.java

@@ -17,6 +17,7 @@
 package io.grpc.stub;
 
 import static com.google.common.base.Preconditions.checkNotNull;
+import static io.grpc.TimeUtils.convert;
 
 import io.grpc.CallCredentials;
 import io.grpc.CallOptions;
@@ -26,6 +27,7 @@
 import io.grpc.Deadline;
 import io.grpc.ExperimentalApi;
 import io.grpc.ManagedChannelBuilder;
+import java.time.Duration;
 import java.util.concurrent.Executor;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.CheckReturnValue;
@@ -149,6 +151,10 @@ public final S withDeadlineAfter(long duration, TimeUnit unit) {
     return build(channel, callOptions.withDeadlineAfter(duration, unit));
   }
 
+  public final S withDeadlineAfter(Duration duration) {
+    return withDeadlineAfter(convert(duration), TimeUnit.NANOSECONDS);
+  }
+
   /**
    * Returns a new stub with the given executor that is to be used instead of the default one
    * specified with {@link ManagedChannelBuilder#executor}. Note that setting this option may not

stub/src/test/java/io/grpc/stub/AbstractStubTest.java

@@ -16,12 +16,18 @@
 
 package io.grpc.stub;
 
+import static com.google.common.truth.Truth.assertAbout;
 import static com.google.common.truth.Truth.assertThat;
+import static io.grpc.testing.DeadlineSubject.deadline;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
+import static java.util.concurrent.TimeUnit.MINUTES;
 
 import io.grpc.CallOptions;
 import io.grpc.Channel;
+import io.grpc.Deadline;
 import io.grpc.stub.AbstractStub.StubFactory;
 import io.grpc.stub.AbstractStubTest.NoopStub;
+import java.time.Duration;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
@@ -47,8 +53,22 @@ public NoopStub newStub(Channel channel, CallOptions callOptions) {
         .isNull();
   }
 
-  class NoopStub extends AbstractStub<NoopStub> {
+  @Test
+  public void testDuration() {
+    NoopStub stub = NoopStub.newStub(new StubFactory<NoopStub>() {
+      @Override
+      public NoopStub newStub(Channel channel, CallOptions callOptions) {
+        return create(channel, callOptions);
+      }
+    }, channel, CallOptions.DEFAULT);
+    NoopStub stubInstance = stub.withDeadlineAfter(Duration.ofMinutes(1L));
+    Deadline actual = stubInstance.getCallOptions().getDeadline();
+    Deadline expected = Deadline.after(1, MINUTES);
 
+    assertAbout(deadline()).that(actual).isWithin(10, MILLISECONDS).of(expected);
+  }
+
+  class NoopStub extends AbstractStub<NoopStub> {
     NoopStub(Channel channel, CallOptions options) {
       super(channel, options);
     }