feat: Release bundles

google-cloud-firestore/clirr-ignored-differences.xml

@@ -18,6 +18,18 @@
 <!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
 <differences>
 
+  <!-- v2.1.1 -->
+  <difference>
+    <differenceType>7012</differenceType>
+    <className>com/google/cloud/firestore/Firestore</className>
+    <method>com.google.cloud.firestore.FirestoreBundle$Builder bundleBuilder()</method>
+  </difference>
+  <difference>
+    <differenceType>7012</differenceType>
+    <className>com/google/cloud/firestore/Firestore</className>
+    <method>com.google.cloud.firestore.FirestoreBundle$Builder bundleBuilder(java.lang.String)</method>
+  </difference>
+
   <!-- v2.0.0 -->
   <difference>
     <differenceType>7002</differenceType>

google-cloud-firestore/src/main/java/com/google/cloud/firestore/Firestore.java

@@ -168,6 +168,24 @@ void getAll(
   @Nonnull
   WriteBatch batch();
 
+  /**
+   * Returns a FirestoreBundle.Builder {@link FirestoreBundle.Builder} instance using an
+   * automatically generated ID. The ID is used by the client SDKs loading bundles to identify if a
+   * bundle has been loaded before.
+   */
+  @Nonnull
+  FirestoreBundle.Builder bundleBuilder();
+
+  /**
+   * Returns a FirestoreBundle.Builder {@link FirestoreBundle.Builder} instance for the given bundle
+   * ID.
+   *
+   * @param bundleId The ID is used by the client SDKs loading bundles to identify if a bundle has
+   *     been loaded before. If null, an random string will be used for the ID.
+   */
+  @Nonnull
+  FirestoreBundle.Builder bundleBuilder(@Nullable String bundleId);
+
   /**
    * Closes the gRPC channels associated with this instance and frees up their resources. This
    * method blocks until all channels are closed. Once this method is called, this Firestore client

google-cloud-firestore/src/main/java/com/google/cloud/firestore/FirestoreBundle.java

@@ -54,10 +54,17 @@ public static final class Builder {
     // The latest read time among all bundled documents and queries.
     private Timestamp latestReadTime = Timestamp.MIN_VALUE;
 
-    public Builder(String id) {
+    Builder(String id) {
       this.id = id;
     }
 
+    /**
+     * Returns the ID for this bundle.
+     */
+    public String getId() {
+      return this.id;
+    }
+
     /**
      * Adds a Firestore document snapshot to the bundle. Both the documents data and the document
      * read time will be included in the bundle.

google-cloud-firestore/src/main/java/com/google/cloud/firestore/FirestoreImpl.java

@@ -321,6 +321,19 @@ public <T> ApiFuture<T> runAsyncTransaction(
     return transactionRunner.run();
   }
 
+  @Nonnull
+  @Override
+  public FirestoreBundle.Builder bundleBuilder() {
+    return bundleBuilder(null);
+  }
+
+  @Nonnull
+  @Override
+  public FirestoreBundle.Builder bundleBuilder(@Nullable String bundleId) {
+    String id = bundleId == null ? autoId() : bundleId;
+    return new FirestoreBundle.Builder(id);
+  }
+
   /** Returns the name of the Firestore project associated with this client. */
   @Override
   public String getDatabaseName() {

google-cloud-firestore/src/test/java/com/google/cloud/firestore/it/ITSystemTest.java

@@ -1566,7 +1566,7 @@ public ApiFuture<List<T>> consume() {
 
   @Test
   public void testBuildingBundleWhenDocumentDoesNotExist() throws Exception {
-    FirestoreBundle.Builder bundleBuilder = new FirestoreBundle.Builder("test-bundle");
+    FirestoreBundle.Builder bundleBuilder = firestore.bundleBuilder("test-bundle");
     DocumentSnapshot snapshot = randomDoc.get().get();
     bundleBuilder.add(snapshot);
 
@@ -1595,7 +1595,7 @@ public void testBuildingBundleWithLimitQuery() throws Exception {
 
     Query limitQuery = randomColl.orderBy("counter", Direction.DESCENDING).limit(1);
     QuerySnapshot limitQuerySnap = limitQuery.get().get();
-    FirestoreBundle.Builder bundleBuilder = new FirestoreBundle.Builder("test-bundle");
+    FirestoreBundle.Builder bundleBuilder = firestore.bundleBuilder("test-bundle");
     bundleBuilder.add("limit", limitQuerySnap);
 
     // Expected bundle elements are [bundleMetadata, limitQuery,
@@ -1630,7 +1630,7 @@ public void testBuildingBundleWithLimitToLastQuery() throws Exception {
 
     Query limitToLastQuery = randomColl.orderBy("counter").limitToLast(1);
     QuerySnapshot limitToLastQuerySnap = limitToLastQuery.get().get();
-    FirestoreBundle.Builder bundleBuilder = new FirestoreBundle.Builder("test-bundle");
+    FirestoreBundle.Builder bundleBuilder = firestore.bundleBuilder("test-bundle");
     bundleBuilder.add("limitToLast", limitToLastQuerySnap);
 
     // Expected bundle elements are [bundleMetadata, limitToLastQuery,