[GitHub] [beam] pareshsarafmdb commented on a change in pull request #14927: [BEAM-12400] MongoDBIO support for update within documents

[GitBox <gi...@apache.org>]

pareshsarafmdb commented on a change in pull request #14927:
URL: https://github.com/apache/beam/pull/14927#discussion_r699846274



##########
File path: sdks/java/io/mongodb/src/main/java/org/apache/beam/sdk/io/mongodb/UpdateField.java
##########
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.io.mongodb;
+
+import com.google.auto.value.AutoValue;
+import java.io.Serializable;
+import org.apache.beam.sdk.annotations.Experimental;
+import org.apache.beam.sdk.annotations.Experimental.Kind;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+@Experimental(Kind.SOURCE_SINK)
+@AutoValue
+public abstract class UpdateField implements Serializable {
+
+  abstract @Nullable String updateOperator();
+
+  abstract @Nullable String sourceField();
+
+  abstract @Nullable String destField();
+
+  private static Builder builder() {
+    return new AutoValue_UpdateField.Builder().setSourceField(null);
+  }
+
+  abstract UpdateField.Builder toBuilder();
+
+  public static UpdateField create() {
+    return builder().build();
+  }
+
+  @AutoValue.Builder
+  abstract static class Builder {
+    abstract UpdateField.Builder setUpdateOperator(@Nullable String updateOperator);
+
+    abstract UpdateField.Builder setSourceField(@Nullable String sourceField);
+
+    abstract UpdateField.Builder setDestField(@Nullable String destField);
+
+    abstract UpdateField build();
+  }
+
+  /** Sets the limit of documents to find. */
+  public UpdateField fullUpdate(String updateOperator, String destField) {
+    return toBuilder().setUpdateOperator(updateOperator).setDestField(destField).build();
+  }

Review comment:
       Yes thats right. Thats intended. 




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