feat: add public api to stream writer to set the maximum wait time

README.md

@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-bigquerystorage'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-bigquerystorage:2.34.1'
+implementation 'com.google.cloud:google-cloud-bigquerystorage:2.34.2'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "2.34.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "2.34.2"
 ```
 <!-- {x-version-update-end} -->
 
@@ -219,7 +219,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-bigquerystorage/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-bigquerystorage.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-bigquerystorage/2.34.1
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-bigquerystorage/2.34.2
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/ConnectionWorker.java

@@ -75,7 +75,7 @@ class ConnectionWorker implements AutoCloseable {
    * We will constantly checking how much time we have been waiting for the next request callback
    * if we wait too much time we will start shutting down the connections and clean up the queues.
    */
-  private static Duration MAXIMUM_REQUEST_CALLBACK_WAIT_TIME = Duration.ofMinutes(15);
+  static Duration MAXIMUM_REQUEST_CALLBACK_WAIT_TIME = Duration.ofMinutes(15);
 
   private Lock lock;
   private Condition hasMessageInWaitingQueue;

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/StreamWriter.java

@@ -518,6 +518,16 @@ public synchronized TableSchema getUpdatedSchema() {
         : null;
   }
 
+  /**
+   * Sets the maximum time a request is allowed to be waiting in request waiting queue. Under very
+   * low chance, it's possible for append request to be waiting indefintely for request callback
+   * when Google networking SDK does not detect the networking breakage. The default timeout is 15
+   * minutes. We are investigating the root cause for callback not triggered by networking SDK.
+   */
+  public static void setMaxRequestCallbackWaitTime(Duration waitTime) {
+    ConnectionWorker.MAXIMUM_REQUEST_CALLBACK_WAIT_TIME = waitTime;
+  }
+
   long getCreationTimestamp() {
     return creationTimestamp;
   }

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/StreamWriterTest.java

@@ -15,6 +15,7 @@
  */
 package com.google.cloud.bigquery.storage.v1;
 
+import static com.google.common.truth.Truth.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThrows;
@@ -113,6 +114,7 @@ public StreamWriterTest() throws DescriptorValidationException {}
   @Before
   public void setUp() throws Exception {
     testBigQueryWrite = new FakeBigQueryWrite();
+    StreamWriter.setMaxRequestCallbackWaitTime(java.time.Duration.ofSeconds(10000));
     ConnectionWorker.setMaxInflightQueueWaitTime(300000);
     serviceHelper =
         new MockServiceHelper(
@@ -947,6 +949,35 @@ public void testMessageTooLarge() throws Exception {
     writer.close();
   }
 
+  @Test
+  public void testThrowExceptionWhileWithinAppendLoop_MaxWaitTimeExceed() throws Exception {
+    ProtoSchema schema1 = createProtoSchema("foo");
+    StreamWriter.setMaxRequestCallbackWaitTime(java.time.Duration.ofSeconds(1));
+    StreamWriter writer =
+        StreamWriter.newBuilder(TEST_STREAM_1, client).setWriterSchema(schema1).build();
+    testBigQueryWrite.setResponseSleep(org.threeten.bp.Duration.ofSeconds(3));
+
+    long appendCount = 10;
+    for (int i = 0; i < appendCount; i++) {
+      testBigQueryWrite.addResponse(createAppendResponse(i));
+    }
+
+    // In total insert 5 requests,
+    List<ApiFuture<AppendRowsResponse>> futures = new ArrayList<>();
+    for (int i = 0; i < appendCount; i++) {
+      futures.add(writer.append(createProtoRows(new String[] {String.valueOf(i)}), i));
+    }
+
+    for (int i = 0; i < appendCount; i++) {
+      int finalI = i;
+      ExecutionException ex =
+          assertThrows(
+              ExecutionException.class,
+              () -> futures.get(finalI).get().getAppendResult().getOffset().getValue());
+      assertThat(ex.getCause()).hasMessageThat().contains("Request has waited in inflight queue");
+    }
+  }
+
   @Test
   public void testAppendWithResetSuccess() throws Exception {
     try (StreamWriter writer = getTestStreamWriter()) {