Merge pull request apache#17741 from [BEAM-14504] Add support for inc…

…luding addittional parameters to executebundle method in fhirio.

* [BEAM-14329] Enable exponential backoff retries in FhirIO Execute bundle requests.

* [BEAM-14504] Add fhir bundle with metadata in executebundles method.

* make FhirResourcePagesIterator public

* Added comments

* Fixed checkstyle errors.

* Added FhirBundleResponse. Resolved comments.

* Updated getFailedBodies method.

* Updated FailedBundles.

* Add a nested class for ParDo fn.

* Spotless Apply fix.

* Fix Post commit tests.

* Fix Post commit tests.

* Use defaultSchema instead of custom coder.

sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/healthcare/FhirBundleParameter.java

@@ -0,0 +1,67 @@
+/*
+ * 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.gcp.healthcare;
+
+import com.google.auto.value.AutoValue;
+import java.io.Serializable;
+import java.util.Objects;
+import javax.annotation.Nullable;
+import org.apache.beam.sdk.schemas.AutoValueSchema;
+import org.apache.beam.sdk.schemas.annotations.DefaultSchema;
+import org.apache.beam.sdk.schemas.annotations.SchemaCreate;
+
+/** FhirBundleParameter represents a FHIR bundle in JSON format to be executed on a FHIR store. */
+@DefaultSchema(AutoValueSchema.class)
+@AutoValue
+public abstract class FhirBundleParameter implements Serializable {
+
+  static Builder builder() {
+    return new AutoValue_FhirBundleParameter.Builder();
+  }
+
+  /**
+   * String representing the metadata of the Bundle to be written. Used to pass metadata through the
+   * ExecuteBundles PTransform.
+   */
+  public abstract String getMetadata();
+
+  /** FHIR R4 bundle resource object as a string. */
+  public abstract String getBundle();
+
+  @SchemaCreate
+  public static FhirBundleParameter of(@Nullable String metadata, String bundle) {
+
+    return FhirBundleParameter.builder()
+        .setMetadata(Objects.toString(metadata, ""))
+        .setBundle(bundle)
+        .build();
+  }
+
+  public static FhirBundleParameter of(String bundle) {
+    return FhirBundleParameter.of(null, bundle);
+  }
+
+  @AutoValue.Builder
+  abstract static class Builder {
+    abstract Builder setMetadata(String metadata);
+
+    abstract Builder setBundle(String bundle);
+
+    abstract FhirBundleParameter build();
+  }
+}

sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/healthcare/FhirBundleResponse.java

@@ -0,0 +1,63 @@
+/*
+ * 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.gcp.healthcare;
+
+import com.google.auto.value.AutoValue;
+import java.io.Serializable;
+import java.util.Objects;
+import javax.annotation.Nullable;
+import org.apache.beam.sdk.schemas.AutoValueSchema;
+import org.apache.beam.sdk.schemas.annotations.DefaultSchema;
+import org.apache.beam.sdk.schemas.annotations.SchemaCreate;
+
+@DefaultSchema(AutoValueSchema.class)
+@AutoValue
+public abstract class FhirBundleResponse implements Serializable {
+
+  static FhirBundleResponse.Builder builder() {
+    return new AutoValue_FhirBundleResponse.Builder();
+  }
+
+  /** FhirBundleParameter represents a FHIR bundle in JSON format to be executed on a FHIR store. */
+  public abstract FhirBundleParameter getFhirBundleParameter();
+
+  /**
+   * HTTP response from the FHIR store after attempting to write the Bundle method. The value varies
+   * depending on BATCH vs TRANSACTION bundles.
+   */
+  public abstract String getResponse();
+
+  @SchemaCreate
+  public static FhirBundleResponse of(
+      FhirBundleParameter fhirBundleParameter, @Nullable String response) {
+    return FhirBundleResponse.builder()
+        .setFhirBundleParameter(fhirBundleParameter)
+        .setResponse(Objects.toString(response, ""))
+        .build();
+  }
+
+  @AutoValue.Builder
+  abstract static class Builder {
+    abstract FhirBundleResponse.Builder setFhirBundleParameter(
+        FhirBundleParameter fhirBundleParameter);
+
+    abstract FhirBundleResponse.Builder setResponse(String response);
+
+    abstract FhirBundleResponse build();
+  }
+}