fix: remove deprecated databaseId field in DatastoreOptions (#1237)

* fix: remove deprecated `databaseId` field in DatastoreOptions

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---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: kolea2

datastore-v1-proto-client/clirr-ignored-differences.xml

@@ -6,4 +6,15 @@
     <method>java.util.List getSplits(com.google.datastore.v1.Query, com.google.datastore.v1.PartitionId, int, com.google.datastore.v1.client.Datastore, com.google.protobuf.Timestamp)</method>
     <differenceType>7012</differenceType>
   </difference>
+  <!-- removing deprecated/BetaApi methods-->
+  <difference>
+    <className>com/google/datastore/v1/client/DatastoreOptions</className>
+    <method>java.lang.String getDatabaseId()</method>
+    <differenceType>7002</differenceType>
+  </difference>
+  <difference>
+    <className>com/google/datastore/v1/client/DatastoreOptions$Builder</className>
+    <method>com.google.datastore.v1.client.DatastoreOptions$Builder databaseId(java.lang.String)</method>
+    <differenceType>7002</differenceType>
+  </difference>
 </differences>

datastore-v1-proto-client/src/main/java/com/google/datastore/v1/client/DatastoreOptions.java

@@ -20,7 +20,6 @@
 import com.google.api.client.auth.oauth2.Credential;
 import com.google.api.client.http.HttpRequestInitializer;
 import com.google.api.client.http.HttpTransport;
-import com.google.api.core.BetaApi;
 import java.util.Arrays;
 import java.util.List;
 
@@ -42,8 +41,6 @@
 public class DatastoreOptions {
   private final String projectId;
 
-  @Deprecated private final String databaseId;
-
   private final String projectEndpoint;
   private final String host;
   private final String localHost;
@@ -60,7 +57,6 @@ public class DatastoreOptions {
         b.projectId != null || b.projectEndpoint != null,
         "Either project ID or project endpoint must be provided.");
     this.projectId = b.projectId;
-    this.databaseId = b.databaseId;
     this.projectEndpoint = b.projectEndpoint;
     this.host = b.host;
     this.localHost = b.localHost;
@@ -78,8 +74,6 @@ public static class Builder {
 
     private String projectId;
 
-    @Deprecated private String databaseId;
-
     private String projectEndpoint;
     private String host;
     private String localHost;
@@ -91,7 +85,6 @@ public Builder() {}
 
     public Builder(DatastoreOptions options) {
       this.projectId = options.projectId;
-      this.databaseId = options.databaseId;
       this.projectEndpoint = options.projectEndpoint;
       this.host = options.host;
       this.localHost = options.localHost;
@@ -111,24 +104,6 @@ public Builder projectId(String projectId) {
       return this;
     }
 
-    /**
-     * This field is ignored and will be removed in a future release. Please set the database id on
-     * the request itself. For example:
-     *
-     * <pre>{@code
-     * CommitRequest.newBuilder()
-     *     .setDatabaseId("my-database-id")
-     *     ....
-     *     .build();
-     * }</pre>
-     */
-    @BetaApi
-    @Deprecated
-    public Builder databaseId(String databaseId) {
-      this.databaseId = databaseId;
-      return this;
-    }
-
     /**
      * Sets the host used to access Cloud Datastore. To connect to the Cloud Datastore Emulator, use
      * {@link #localHost} instead.
@@ -203,23 +178,6 @@ public String getProjectId() {
     return projectId;
   }
 
-  /**
-   * This field is ignored and will be removed in a future release. Please set the database id on
-   * the request itself. For example:
-   *
-   * <pre>{@code
-   * CommitRequest.newBuilder()
-   *     .setDatabaseId("my-database-id")
-   *     ....
-   *     .build();
-   * }</pre>
-   */
-  @BetaApi
-  @Deprecated
-  public String getDatabaseId() {
-    return databaseId;
-  }
-
   public String getProjectEndpoint() {
     return projectEndpoint;
   }

datastore-v1-proto-client/src/test/java/com/google/datastore/v1/client/DatastoreClientTest.java

@@ -215,19 +215,6 @@ public void create_LocalHost() {
         .isEqualTo("http://localhost:8080/v1/projects/project-id");
   }
 
-  @Test
-  // TODO: remove this test once deprecated `databaseId` is removed
-  public void setDatabaseId() {
-    DatastoreOptions options =
-        new DatastoreOptions.Builder()
-            .projectId(PROJECT_ID)
-            .databaseId("test-db")
-            .localHost("localhost:8080")
-            .build();
-    assertThat(options.getProjectId()).isEqualTo(PROJECT_ID);
-    assertThat(options.getDatabaseId()).isEqualTo("test-db");
-  }
-
   @Test
   public void create_LocalHostIp() {
     Datastore datastore =