feat: improve json to proto conversion by caching schema

README.md

@@ -50,20 +50,20 @@ If you are using Maven without the BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies:
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:26.16.0')
+implementation platform('com.google.cloud:libraries-bom:26.18.0')
 
 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:2.37.2'
+implementation 'com.google.cloud:google-cloud-bigquerystorage:2.39.1'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "2.37.2"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigquerystorage" % "2.39.1"
 ```
 <!-- {x-version-update-end} -->
 
@@ -220,7 +220,7 @@ 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/2.37.2
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-bigquerystorage/2.39.1
 [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/clirr-ignored-differences.xml

@@ -157,5 +157,17 @@
     <className>com/google/cloud/bigquery/storage/v1/JsonStreamWriter</className>
     <method>boolean isDone()</method>
   </difference>
+  <difference>
+    <differenceType>7006</differenceType>
+    <className>com/google/cloud/bigquery/storage/v1/ToProtoConverter</className>
+    <method>com.google.protobuf.DynamicMessage convertToProtoMessage(com.google.protobuf.Descriptors$Descriptor, com.google.cloud.bigquery.storage.v1.TableSchema, java.lang.Object, boolean)</method>
+    <to>java.util.List</to>
+  </difference>
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/cloud/bigquery/storage/v1/ToProtoConverter</className>
+    <method>com.google.protobuf.DynamicMessage convertToProtoMessage(com.google.protobuf.Descriptors$Descriptor, com.google.cloud.bigquery.storage.v1.TableSchema, java.lang.Object, boolean)</method>
+    <to>com.google.protobuf.DynamicMessage convertToProtoMessage(com.google.protobuf.Descriptors$Descriptor, com.google.cloud.bigquery.storage.v1.TableSchema, java.lang.Iterable, boolean)</to>
+  </difference>
 </differences>
 

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

@@ -259,6 +259,29 @@ public AppendSerializationError(
     }
   }
 
+  /** This exception is thrown from proto converter to wrap the row index to error mapping. */
+  static class RowIndexToErrorException extends IllegalArgumentException {
+    Map<Integer, String> rowIndexToErrorMessage;
+
+    boolean hasDataUnknownError;
+
+    public RowIndexToErrorException(
+        Map<Integer, String> rowIndexToErrorMessage, boolean hasDataUnknownError) {
+      this.rowIndexToErrorMessage = rowIndexToErrorMessage;
+      this.hasDataUnknownError = hasDataUnknownError;
+    }
+
+    // This message should not be exposed to the user directly.
+    // Please examine individual row's error through `rowIndexToErrorMessage`.
+    public String getMessage() {
+      return "The map of row index to error message is " + rowIndexToErrorMessage.toString();
+    }
+
+    public boolean hasDataUnknownError() {
+      return hasDataUnknownError;
+    }
+  }
+
   /** This exception is used internally to handle field level parsing errors. */
   public static class FieldParseError extends IllegalArgumentException {
     private final String fieldName;