feat: add optional location to text2vec-google vectorizer

src/main/java/io/weaviate/client6/v1/api/collections/vectorizers/Text2VecGoogleVectorizer.java

@@ -21,6 +21,12 @@ public record Text2VecGoogleVectorizer(
     /** Google project ID. Only relevant for Vertex AI integration. */
     @SerializedName("projectId") String projectId,
 
+    /**
+     * Google Vertex AI region. Only relevant for Vertex AI integration.
+     * If omitted, the server applies its default.
+     */
+    @SerializedName("location") String location,
+
     /**
      * Weaviate defaults to {@code true} if the value is not provided.
      * To avoid that we send "vectorizeClassName": false all the time
@@ -90,6 +96,7 @@ public Text2VecGoogleVectorizer(
       Integer dimensions,
       TaskType taskType,
       String projectId,
+      String location,
 
       boolean vectorizeCollectionName,
       List<String> sourceProperties,
@@ -100,6 +107,7 @@ public Text2VecGoogleVectorizer(
     this.titleProperty = titleProperty;
     this.dimensions = dimensions;
     this.projectId = projectId;
+    this.location = location;
     this.taskType = taskType;
 
     this.vectorizeCollectionName = false;
@@ -116,6 +124,7 @@ public Text2VecGoogleVectorizer(Builder builder) {
         builder.dimensions,
         builder.taskType,
         builder.projectId,
+        builder.location,
 
         builder.vectorizeCollectionName,
         builder.sourceProperties,
@@ -133,6 +142,8 @@ public abstract static class Builder implements ObjectBuilder<Text2VecGoogleVect
     private String apiEndpoint;
     /** Google project ID. Only relevant for Vertex AI integration. */
     private final String projectId;
+    /** Google Vertex AI region. Only relevant for Vertex AI integration. */
+    private String location;
 
     private String model;
     private String titleProperty;
@@ -149,6 +160,11 @@ protected Builder apiEndpoint(String apiEndpoint) {
       return this;
     }
 
+    protected Builder location(String location) {
+      this.location = location;
+      return this;
+    }
+
     public Builder model(String model) {
       this.model = model;
       return this;
@@ -220,5 +236,14 @@ public VertexBuilder apiEndpoint(String apiEndpoint) {
       super.apiEndpoint(apiEndpoint);
       return this;
     }
+
+    /**
+     * Set the Google Vertex AI region. If omitted, the server applies its
+     * default.
+     */
+    public VertexBuilder location(String location) {
+      super.location(location);
+      return this;
+    }
   }
 }

src/test/java/io/weaviate/client6/v1/internal/json/JSONTest.java

@@ -219,7 +219,7 @@ public static Object[][] testCases() {
         },
         {
             VectorConfig.class,
-            Text2VecGoogleVectorizer.vertex("projectId", v -> v.sourceProperties("a")),
+            Text2VecGoogleVectorizer.vertex("projectId", v -> v.location("europe-west4").sourceProperties("a")),
             """
                 {
                   "vectorIndexType": "hnsw",
@@ -228,6 +228,7 @@ public static Object[][] testCases() {
                     "text2vec-google": {
                       "apiEndpoint":"us-central1-aiplatform.googleapis.com",
                       "projectId": "projectId",
+                      "location": "europe-west4",
                       "properties": ["a"],
                       "vectorizeClassName": false
                     }