danthev commented on a change in pull request #15005:
URL: https://github.com/apache/beam/pull/15005#discussion_r655626971
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/firestore/FirestoreV1.java
##########
@@ -189,6 +533,725 @@ private Write() {}
}
}
+ /**
+ * Concrete class representing a {@link PTransform}{@code <}{@link
PCollection}{@code <}{@link
+ * ListCollectionIdsRequest}{@code >, }{@link PTransform}{@code <}{@link
+ * ListCollectionIdsResponse}{@code >>} which will read from Firestore.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type safe
builder accessible via
+ * {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read() read()}{@code
.}{@link
+ * FirestoreV1.Read#listCollectionIds() listCollectionIds()}.
+ *
+ * <p>All request quality-of-service for an instance of this PTransform is
scoped to the worker
+ * and configured via {@link
ListCollectionIds.Builder#withRpcQosOptions(RpcQosOptions)}.
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#listCollectionIds()
+ * @see FirestoreV1.ListCollectionIds.Builder
+ * @see ListCollectionIdsRequest
+ * @see ListCollectionIdsResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.ListCollectionIds";>google.firestore.v1.Firestore.ListCollectionIds</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListCollectionIdsRequest";>google.firestore.v1.ListCollectionIdsRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListCollectionIdsResponse";>google.firestore.v1.ListCollectionIdsResponse</a>
+ */
+ public static final class ListCollectionIds
+ extends Transform<
+ PCollection<ListCollectionIdsRequest>,
+ PCollection<String>,
+ ListCollectionIds,
+ ListCollectionIds.Builder> {
+
+ private ListCollectionIds(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public PCollection<String> expand(PCollection<ListCollectionIdsRequest>
input) {
+ return input
+ .apply(
+ "listCollectionIds",
+ ParDo.of(
+ new ListCollectionIdsFn(clock,
firestoreStatefulComponentFactory, rpcQosOptions)))
+ .apply(ParDo.of(new FlattenListCollectionIdsResponse()))
+ .apply(Reshuffle.viaRandomKey());
+ }
+
+ @Override
+ public Builder toBuilder() {
+ return new Builder(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+
+ /**
+ * A type safe builder for {@link ListCollectionIds} allowing
configuration and instantiation.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type
safe builder accessible
+ * via {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read()
read()}{@code .}{@link
+ * FirestoreV1.Read#listCollectionIds() listCollectionIds()}.
+ *
+ * <p>
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#listCollectionIds()
+ * @see FirestoreV1.ListCollectionIds
+ * @see ListCollectionIdsRequest
+ * @see ListCollectionIdsResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.ListCollectionIds";>google.firestore.v1.Firestore.ListCollectionIds</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListCollectionIdsRequest";>google.firestore.v1.ListCollectionIdsRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListCollectionIdsResponse";>google.firestore.v1.ListCollectionIdsResponse</a>
+ */
+ public static final class Builder
+ extends Transform.Builder<
+ PCollection<ListCollectionIdsRequest>,
+ PCollection<String>,
+ ListCollectionIds,
+ ListCollectionIds.Builder> {
+
+ private Builder() {
+ super();
+ }
+
+ private Builder(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public ListCollectionIds build() {
+ return genericBuild();
+ }
+
+ @Override
+ ListCollectionIds buildSafe(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ return new ListCollectionIds(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+ }
+ }
+
+ /**
+ * Concrete class representing a {@link PTransform}{@code <}{@link
PCollection}{@code <}{@link
+ * ListDocumentsRequest}{@code >, }{@link PTransform}{@code <}{@link
ListDocumentsResponse}{@code
+ * >>} which will read from Firestore.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type safe
builder accessible via
+ * {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read() read()}{@code
.}{@link
+ * FirestoreV1.Read#listDocuments() listDocuments()}.
+ *
+ * <p>All request quality-of-service for an instance of this PTransform is
scoped to the worker
+ * and configured via {@link
ListDocuments.Builder#withRpcQosOptions(RpcQosOptions)}.
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#listDocuments()
+ * @see FirestoreV1.ListDocuments.Builder
+ * @see ListDocumentsRequest
+ * @see ListDocumentsResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.ListDocuments";>google.firestore.v1.Firestore.ListDocuments</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListDocumentsRequest";>google.firestore.v1.ListDocumentsRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListDocumentsResponse";>google.firestore.v1.ListDocumentsResponse</a>
+ */
+ public static final class ListDocuments
+ extends Transform<
+ PCollection<ListDocumentsRequest>,
+ PCollection<Document>,
+ ListDocuments,
+ ListDocuments.Builder> {
+
+ private ListDocuments(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public PCollection<Document> expand(PCollection<ListDocumentsRequest>
input) {
+ return input
+ .apply(
+ "listDocuments",
+ ParDo.of(
+ new ListDocumentsFn(clock,
firestoreStatefulComponentFactory, rpcQosOptions)))
+ .apply(ParDo.of(new ListDocumentsResponseToDocument()))
+ .apply(Reshuffle.viaRandomKey());
+ }
+
+ @Override
+ public Builder toBuilder() {
+ return new Builder(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+
+ /**
+ * A type safe builder for {@link ListDocuments} allowing configuration
and instantiation.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type
safe builder accessible
+ * via {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read()
read()}{@code .}{@link
+ * FirestoreV1.Read#listDocuments() listDocuments()}.
+ *
+ * <p>
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#listDocuments()
+ * @see FirestoreV1.ListDocuments
+ * @see ListDocumentsRequest
+ * @see ListDocumentsResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.ListDocuments";>google.firestore.v1.Firestore.ListDocuments</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListDocumentsRequest";>google.firestore.v1.ListDocumentsRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.ListDocumentsResponse";>google.firestore.v1.ListDocumentsResponse</a>
+ */
+ public static final class Builder
+ extends Transform.Builder<
+ PCollection<ListDocumentsRequest>,
+ PCollection<Document>,
+ ListDocuments,
+ ListDocuments.Builder> {
+
+ private Builder() {
+ super();
+ }
+
+ private Builder(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public ListDocuments build() {
+ return genericBuild();
+ }
+
+ @Override
+ ListDocuments buildSafe(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ return new ListDocuments(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+ }
+ }
+
+ /**
+ * Concrete class representing a {@link PTransform}{@code <}{@link
PCollection}{@code <}{@link
+ * RunQueryRequest}{@code >, }{@link PTransform}{@code <}{@link
RunQueryResponse}{@code >>} which
+ * will read from Firestore.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type safe
builder accessible via
+ * {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read() read()}{@code
.}{@link
+ * FirestoreV1.Read#runQuery() runQuery()}.
+ *
+ * <p>All request quality-of-service for an instance of this PTransform is
scoped to the worker
+ * and configured via {@link
RunQuery.Builder#withRpcQosOptions(RpcQosOptions)}.
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#runQuery()
+ * @see FirestoreV1.RunQuery.Builder
+ * @see RunQueryRequest
+ * @see RunQueryResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.RunQuery";>google.firestore.v1.Firestore.RunQuery</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.RunQueryRequest";>google.firestore.v1.RunQueryRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.RunQueryResponse";>google.firestore.v1.RunQueryResponse</a>
+ */
+ public static final class RunQuery
+ extends Transform<
+ PCollection<RunQueryRequest>, PCollection<RunQueryResponse>,
RunQuery, RunQuery.Builder> {
+
+ private RunQuery(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public PCollection<RunQueryResponse> expand(PCollection<RunQueryRequest>
input) {
+ return input
+ .apply(
+ "runQuery",
+ ParDo.of(new RunQueryFn(clock,
firestoreStatefulComponentFactory, rpcQosOptions)))
+ .apply(Reshuffle.viaRandomKey());
+ }
+
+ @Override
+ public Builder toBuilder() {
+ return new Builder(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+
+ /**
+ * A type safe builder for {@link RunQuery} allowing configuration and
instantiation.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type
safe builder accessible
+ * via {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read()
read()}{@code .}{@link
+ * FirestoreV1.Read#runQuery() runQuery()}.
+ *
+ * <p>
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#runQuery()
+ * @see FirestoreV1.RunQuery
+ * @see RunQueryRequest
+ * @see RunQueryResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.RunQuery";>google.firestore.v1.Firestore.RunQuery</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.RunQueryRequest";>google.firestore.v1.RunQueryRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.RunQueryResponse";>google.firestore.v1.RunQueryResponse</a>
+ */
+ public static final class Builder
+ extends Transform.Builder<
+ PCollection<RunQueryRequest>,
+ PCollection<RunQueryResponse>,
+ RunQuery,
+ RunQuery.Builder> {
+
+ private Builder() {
+ super();
+ }
+
+ private Builder(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public RunQuery build() {
+ return genericBuild();
+ }
+
+ @Override
+ RunQuery buildSafe(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ return new RunQuery(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+ }
+ }
+
+ /**
+ * Concrete class representing a {@link PTransform}{@code <}{@link
PCollection}{@code <}{@link
+ * BatchGetDocumentsRequest}{@code >, }{@link PTransform}{@code <}{@link
+ * BatchGetDocumentsResponse}{@code >>} which will read from Firestore.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type safe
builder accessible via
+ * {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read() read()}{@code
.}{@link
+ * FirestoreV1.Read#batchGetDocuments() batchGetDocuments()}.
+ *
+ * <p>All request quality-of-service for an instance of this PTransform is
scoped to the worker
+ * and configured via {@link
BatchGetDocuments.Builder#withRpcQosOptions(RpcQosOptions)}.
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#batchGetDocuments()
+ * @see FirestoreV1.BatchGetDocuments.Builder
+ * @see BatchGetDocumentsRequest
+ * @see BatchGetDocumentsResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.BatchGetDocuments";>google.firestore.v1.Firestore.BatchGetDocuments</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.BatchGetDocumentsRequest";>google.firestore.v1.BatchGetDocumentsRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.BatchGetDocumentsResponse";>google.firestore.v1.BatchGetDocumentsResponse</a>
+ */
+ public static final class BatchGetDocuments
+ extends Transform<
+ PCollection<BatchGetDocumentsRequest>,
+ PCollection<BatchGetDocumentsResponse>,
+ BatchGetDocuments,
+ BatchGetDocuments.Builder> {
+
+ private BatchGetDocuments(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public PCollection<BatchGetDocumentsResponse> expand(
+ PCollection<BatchGetDocumentsRequest> input) {
+ return input
+ .apply(
+ "batchGetDocuments",
+ ParDo.of(
+ new BatchGetDocumentsFn(clock,
firestoreStatefulComponentFactory, rpcQosOptions)))
+ .apply(Reshuffle.viaRandomKey());
+ }
+
+ @Override
+ public Builder toBuilder() {
+ return new Builder(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+
+ /**
+ * A type safe builder for {@link BatchGetDocuments} allowing
configuration and instantiation.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type
safe builder accessible
+ * via {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read()
read()}{@code .}{@link
+ * FirestoreV1.Read#batchGetDocuments() batchGetDocuments()}.
+ *
+ * <p>
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#batchGetDocuments()
+ * @see FirestoreV1.BatchGetDocuments
+ * @see BatchGetDocumentsRequest
+ * @see BatchGetDocumentsResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.BatchGetDocuments";>google.firestore.v1.Firestore.BatchGetDocuments</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.BatchGetDocumentsRequest";>google.firestore.v1.BatchGetDocumentsRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.BatchGetDocumentsResponse";>google.firestore.v1.BatchGetDocumentsResponse</a>
+ */
+ public static final class Builder
+ extends Transform.Builder<
+ PCollection<BatchGetDocumentsRequest>,
+ PCollection<BatchGetDocumentsResponse>,
+ BatchGetDocuments,
+ BatchGetDocuments.Builder> {
+
+ private Builder() {
+ super();
+ }
+
+ public Builder(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public BatchGetDocuments build() {
+ return genericBuild();
+ }
+
+ @Override
+ BatchGetDocuments buildSafe(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ return new BatchGetDocuments(clock, firestoreStatefulComponentFactory,
rpcQosOptions);
+ }
+ }
+ }
+
+ /**
+ * Concrete class representing a {@link PTransform}{@code <}{@link
PCollection}{@code <}{@link
+ * PartitionQueryRequest}{@code >, }{@link PTransform}{@code <}{@link
RunQueryResponse}{@code >>}
+ * which will read from Firestore.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type safe
builder accessible via
+ * {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read() read()}{@code
.}{@link
+ * FirestoreV1.Read#partitionQuery() partitionQuery()}.
+ *
+ * <p>All request quality-of-service for an instance of this PTransform is
scoped to the worker
+ * and configured via {@link
PartitionQuery.Builder#withRpcQosOptions(RpcQosOptions)}.
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#partitionQuery()
+ * @see FirestoreV1.PartitionQuery.Builder
+ * @see PartitionQueryRequest
+ * @see RunQueryResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.PartitionQuery";>google.firestore.v1.Firestore.PartitionQuery</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.PartitionQueryRequest";>google.firestore.v1.PartitionQueryRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.PartitionQueryResponse";>google.firestore.v1.PartitionQueryResponse</a>
+ */
+ public static final class PartitionQuery
+ extends Transform<
+ PCollection<PartitionQueryRequest>,
+ PCollection<RunQueryResponse>,
+ PartitionQuery,
+ PartitionQuery.Builder> {
+
+ private final boolean nameOnlyQuery;
+
+ private PartitionQuery(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions,
+ boolean nameOnlyQuery) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ this.nameOnlyQuery = nameOnlyQuery;
+ }
+
+ @Override
+ public PCollection<RunQueryResponse>
expand(PCollection<PartitionQueryRequest> input) {
+ PCollection<RunQueryRequest> queries =
+ input
+ .apply(
+ "PartitionQuery",
+ ParDo.of(
+ new PartitionQueryFn(
+ clock, firestoreStatefulComponentFactory,
rpcQosOptions)))
+ .apply("expand queries", ParDo.of(new
PartitionQueryResponseToRunQueryRequest()));
+ if (nameOnlyQuery) {
+ queries =
+ queries.apply(
+ "set name only query",
+ MapElements.via(
+ new SimpleFunction<RunQueryRequest, RunQueryRequest>() {
+ @Override
+ public RunQueryRequest apply(RunQueryRequest input) {
+ RunQueryRequest.Builder builder = input.toBuilder();
+ builder
+ .getStructuredQueryBuilder()
+ .setSelect(
+ Projection.newBuilder()
+ .addFields(
+ FieldReference.newBuilder()
+ .setFieldPath("__name__")
+ .build())
+ .build());
+ return builder.build();
+ }
+ }));
+ }
+ return queries
+ .apply(Reshuffle.viaRandomKey())
+ .apply(new RunQuery(clock, firestoreStatefulComponentFactory,
rpcQosOptions));
+ }
+
+ @Override
+ public Builder toBuilder() {
+ return new Builder(clock, firestoreStatefulComponentFactory,
rpcQosOptions, nameOnlyQuery);
+ }
+
+ /**
+ * A type safe builder for {@link PartitionQuery} allowing configuration
and instantiation.
+ *
+ * <p>This class is part of the Firestore Connector DSL, it has a type
safe builder accessible
+ * via {@link FirestoreIO#v1()}{@code .}{@link FirestoreV1#read()
read()}{@code .}{@link
+ * FirestoreV1.Read#partitionQuery() partitionQuery()}.
+ *
+ * <p>
+ *
+ * @see FirestoreIO#v1()
+ * @see FirestoreV1#read()
+ * @see FirestoreV1.Read#partitionQuery()
+ * @see FirestoreV1.PartitionQuery
+ * @see PartitionQueryRequest
+ * @see RunQueryResponse
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.Firestore.PartitionQuery";>google.firestore.v1.Firestore.PartitionQuery</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.PartitionQueryRequest";>google.firestore.v1.PartitionQueryRequest</a>
+ * @see <a target="_blank" rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.PartitionQueryResponse";>google.firestore.v1.PartitionQueryResponse</a>
+ */
+ public static final class Builder
+ extends Transform.Builder<
+ PCollection<PartitionQueryRequest>,
+ PCollection<RunQueryResponse>,
+ PartitionQuery,
+ FirestoreV1.PartitionQuery.Builder> {
+
+ private boolean nameOnlyQuery = false;
+
+ private Builder() {
+ super();
+ }
+
+ public Builder(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions,
+ boolean nameOnlyQuery) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ this.nameOnlyQuery = nameOnlyQuery;
+ }
+
+ @Override
+ public PartitionQuery build() {
+ return genericBuild();
+ }
+
+ /**
+ * Update produced queries to only retrieve their {@code __name__}
thereby not retrieving any
+ * fields and reducing resource requirements.
+ *
+ * @return this builder
+ */
+ public Builder withNameOnlyQuery() {
+ this.nameOnlyQuery = true;
+ return this;
+ }
+
+ @Override
+ PartitionQuery buildSafe(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ return new PartitionQuery(
+ clock, firestoreStatefulComponentFactory, rpcQosOptions,
nameOnlyQuery);
+ }
+ }
+
+ /**
+ * DoFn which contains the logic necessary to turn a {@link
PartitionQueryRequest} and {@link
+ * PartitionQueryResponse} pair into {@code N} {@link RunQueryRequest}.
+ */
+ static final class PartitionQueryResponseToRunQueryRequest
+ extends DoFn<PartitionQueryPair, RunQueryRequest> {
+
+ /**
+ * When fetching cursors that span multiple pages it is expected (per <a
+ *
href="https://cloud.google.com/firestore/docs/reference/rpc/google.firestore.v1#google.firestore.v1.PartitionQueryRequest";>
+ * PartitionQueryRequest.page_token</a>) for the client to sort the
cursors before processing
+ * them to define the sub-queries. So here we're defining a Comparator
which will sort Cursors
+ * by the first reference value present, then comparing the reference
values
+ * lexicographically.
+ */
+ static final Comparator<Cursor> CURSOR_REFERENCE_VALUE_COMPARATOR;
+
+ static {
+ Function<Cursor, Optional<Value>> firstReferenceValue =
+ (Cursor c) ->
+ c.getValuesList().stream()
+ .filter(
+ v -> {
+ String referenceValue = v.getReferenceValue();
+ return referenceValue != null &&
!referenceValue.isEmpty();
+ })
+ .findFirst();
+ Function<String, String[]> stringToPath = (String s) -> s.split("/");
+ // compare references by their path segments rather than as a whole
string to ensure
+ // per path segment comparison is taken into account.
+ Comparator<String[]> pathWiseCompare =
+ (String[] path1, String[] path2) -> {
+ int minLength = Math.min(path1.length, path2.length);
+ for (int i = 0; i < minLength; i++) {
+ String pathSegment1 = path1[i];
+ String pathSegment2 = path2[i];
+ int compare = pathSegment1.compareTo(pathSegment2);
+ if (compare != 0) {
+ return compare;
+ }
+ }
+ if (path1.length == path2.length) {
+ return 0;
+ } else if (minLength == path1.length) {
+ return -1;
+ } else {
+ return 1;
+ }
+ };
+
+ // Sort those cursors which have no firstReferenceValue at the bottom
of the list
+ CURSOR_REFERENCE_VALUE_COMPARATOR =
+ Comparator.comparing(
+ firstReferenceValue,
+ (o1, o2) -> {
+ if (o1.isPresent() && o2.isPresent()) {
+ return pathWiseCompare.compare(
+ stringToPath.apply(o1.get().getReferenceValue()),
+ stringToPath.apply(o2.get().getReferenceValue()));
+ } else if (o1.isPresent()) {
+ return -1;
+ } else {
+ return 1;
+ }
+ });
+ }
+
+ @ProcessElement
+ public void processElement(ProcessContext c) {
+ PartitionQueryPair pair = c.element();
Review comment:
It seems this logic isn't tested, just the comparator itself. Can you
add one that calls `runFunction`?
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/firestore/FirestoreV1ReadFn.java
##########
@@ -0,0 +1,632 @@
+/*
+ * 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.firestore;
+
+import static java.util.Objects.requireNonNull;
+
+import com.google.api.gax.paging.AbstractPage;
+import com.google.api.gax.paging.AbstractPagedListResponse;
+import com.google.api.gax.rpc.ServerStream;
+import com.google.api.gax.rpc.ServerStreamingCallable;
+import com.google.api.gax.rpc.UnaryCallable;
+import com.google.cloud.firestore.v1.FirestoreClient.ListCollectionIdsPage;
+import
com.google.cloud.firestore.v1.FirestoreClient.ListCollectionIdsPagedResponse;
+import com.google.cloud.firestore.v1.FirestoreClient.ListDocumentsPage;
+import
com.google.cloud.firestore.v1.FirestoreClient.ListDocumentsPagedResponse;
+import com.google.cloud.firestore.v1.FirestoreClient.PartitionQueryPage;
+import
com.google.cloud.firestore.v1.FirestoreClient.PartitionQueryPagedResponse;
+import com.google.cloud.firestore.v1.stub.FirestoreStub;
+import com.google.firestore.v1.BatchGetDocumentsRequest;
+import com.google.firestore.v1.BatchGetDocumentsResponse;
+import com.google.firestore.v1.Cursor;
+import com.google.firestore.v1.ListCollectionIdsRequest;
+import com.google.firestore.v1.ListCollectionIdsResponse;
+import com.google.firestore.v1.ListDocumentsRequest;
+import com.google.firestore.v1.ListDocumentsResponse;
+import com.google.firestore.v1.PartitionQueryRequest;
+import com.google.firestore.v1.PartitionQueryResponse;
+import com.google.firestore.v1.RunQueryRequest;
+import com.google.firestore.v1.RunQueryResponse;
+import com.google.firestore.v1.StructuredQuery;
+import com.google.firestore.v1.StructuredQuery.Direction;
+import com.google.firestore.v1.StructuredQuery.FieldReference;
+import com.google.firestore.v1.StructuredQuery.Order;
+import com.google.firestore.v1.Value;
+import com.google.protobuf.Message;
+import com.google.protobuf.ProtocolStringList;
+import java.io.Serializable;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import org.apache.beam.sdk.extensions.gcp.options.GcpOptions;
+import org.apache.beam.sdk.io.gcp.firestore.FirestoreDoFn.NonWindowAwareDoFn;
+import org.apache.beam.sdk.io.gcp.firestore.FirestoreV1Fn.HasRpcAttemptContext;
+import org.apache.beam.sdk.io.gcp.firestore.RpcQos.RpcAttempt.Context;
+import org.apache.beam.sdk.transforms.DoFn;
+import org.apache.beam.sdk.transforms.display.DisplayData;
+import
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.annotations.VisibleForTesting;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.joda.time.Instant;
+
+/**
+ * A collection of {@link org.apache.beam.sdk.transforms.DoFn DoFn}s for each
of the supported read
+ * RPC methods from the Cloud Firestore V1 API.
+ */
+final class FirestoreV1ReadFn {
+
+ /**
+ * {@link DoFn} for Firestore V1 {@link RunQueryRequest}s.
+ *
+ * <p>This Fn uses a stream to obtain responses, each response from the
stream will be output to
+ * the next stage of the pipeline. Each response from the stream represents
an individual document
+ * with the associated metadata.
+ *
+ * <p>If an error is encountered while reading from the stream, the stream
will attempt to resume
+ * rather than starting over. The restarting of the stream will continue
within the scope of the
+ * completion of the request (meaning any possibility of resumption is
contingent upon an attempt
+ * being available in the Qos budget).
+ *
+ * <p>All request quality-of-service is managed via the instance of {@link
RpcQos} associated with
+ * the lifecycle of this Fn.
+ */
+ static final class RunQueryFn
+ extends StreamingFirestoreV1ReadFn<RunQueryRequest, RunQueryResponse> {
+
+ RunQueryFn(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public Context getRpcAttemptContext() {
+ return FirestoreV1Fn.V1FnRpcAttemptContext.RunQuery;
+ }
+
+ @Override
+ protected ServerStreamingCallable<RunQueryRequest, RunQueryResponse>
getCallable(
+ FirestoreStub firestoreStub) {
+ return firestoreStub.runQueryCallable();
+ }
+
+ @Override
+ protected RunQueryRequest setStartFrom(
+ RunQueryRequest element, RunQueryResponse runQueryResponse) {
+ StructuredQuery query = element.getStructuredQuery();
+ StructuredQuery.Builder builder;
+ List<Order> orderByList = query.getOrderByList();
+ // if the orderByList is empty that means the default sort of "__name__
ASC" will be used
+ // Before we can set the cursor to the last document name read, we need
to explicitly add
+ // the order of "__name__ ASC" because a cursor value must map to an
order by
+ if (orderByList.isEmpty()) {
+ builder =
+ query
+ .toBuilder()
+ .addOrderBy(
+ Order.newBuilder()
+
.setField(FieldReference.newBuilder().setFieldPath("__name__").build())
+ .setDirection(Direction.ASCENDING)
+ .build())
+ .setStartAt(
+ Cursor.newBuilder()
+ .setBefore(false)
+ .addValues(
+ Value.newBuilder()
+
.setReferenceValue(runQueryResponse.getDocument().getName())
+ .build()));
+ } else {
+ Cursor.Builder cursor = Cursor.newBuilder().setBefore(false);
+ Map<String, Value> fieldsMap =
runQueryResponse.getDocument().getFieldsMap();
+ for (Order order : orderByList) {
+ String fieldPath = order.getField().getFieldPath();
+ Value value = fieldsMap.get(fieldPath);
+ if (value != null) {
+ cursor.addValues(value);
+ } else if ("__name__".equals(fieldPath)) {
+ cursor.addValues(
+ Value.newBuilder()
+
.setReferenceValue(runQueryResponse.getDocument().getName())
+ .build());
+ }
+ }
+ builder = query.toBuilder().setStartAt(cursor.build());
+ }
+ return element.toBuilder().setStructuredQuery(builder.build()).build();
+ }
+ }
+
+ /**
+ * {@link DoFn} for Firestore V1 {@link PartitionQueryRequest}s.
+ *
+ * <p>This Fn uses pagination to obtain responses, all pages will be
aggregated before being
+ * emitted to the next stage of the pipeline. Aggregation of pages is
necessary as the next step
+ * of pairing of cursors to create N queries must first sort all cursors.
See <a target="_blank"
+ * rel="noopener noreferrer"
+ *
href="https://cloud.google.com/firestore/docs/reference/rest/v1/projects.databases.documents/partitionQuery#request-body";>{@code
+ * pageToken}s</a> documentation for details.
+ *
+ * <p>All request quality-of-service is managed via the instance of {@link
RpcQos} associated with
+ * the lifecycle of this Fn.
+ */
+ static final class PartitionQueryFn
+ extends BaseFirestoreV1ReadFn<PartitionQueryRequest, PartitionQueryPair>
{
+
+ public PartitionQueryFn(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public Context getRpcAttemptContext() {
+ return FirestoreV1Fn.V1FnRpcAttemptContext.PartitionQuery;
+ }
+
+ @Override
+ public void processElement(ProcessContext context) throws Exception {
+ @SuppressWarnings("nullness")
+ final PartitionQueryRequest element =
+ requireNonNull(context.element(), "c.element() must be non null");
+
+ RpcQos.RpcReadAttempt attempt =
rpcQos.newReadAttempt(getRpcAttemptContext());
+ PartitionQueryResponse.Builder aggregate = null;
+ while (true) {
+ if (!attempt.awaitSafeToProceed(clock.instant())) {
+ continue;
+ }
+
+ try {
+ PartitionQueryRequest request = setPageToken(element, aggregate);
+ attempt.recordRequestStart(clock.instant());
+ PartitionQueryPagedResponse pagedResponse =
+ firestoreStub.partitionQueryPagedCallable().call(request);
+ for (PartitionQueryPage page : pagedResponse.iteratePages()) {
+ attempt.recordRequestSuccessful(clock.instant());
+ PartitionQueryResponse response = page.getResponse();
+ if (aggregate == null) {
+ aggregate = response.toBuilder();
+ } else {
+ aggregate.addAllPartitions(response.getPartitionsList());
+ if (page.hasNextPage()) {
+ aggregate.setNextPageToken(response.getNextPageToken());
+ } else {
+ aggregate.clearNextPageToken();
+ }
+ }
+ if (page.hasNextPage()) {
+ attempt.recordRequestStart(clock.instant());
+ }
+ }
+ attempt.completeSuccess();
+ break;
+ } catch (RuntimeException exception) {
+ Instant end = clock.instant();
+ attempt.recordRequestFailed(end);
+ attempt.checkCanRetry(end, exception);
+ }
+ }
+ if (aggregate != null) {
+ context.output(new PartitionQueryPair(element, aggregate.build()));
+ }
+ }
+
+ private PartitionQueryRequest setPageToken(
+ PartitionQueryRequest request,
+ @edu.umd.cs.findbugs.annotations.Nullable
PartitionQueryResponse.Builder aggregate) {
+ if (aggregate != null && aggregate.getNextPageToken() != null) {
+ return
request.toBuilder().setPageToken(aggregate.getNextPageToken()).build();
+ }
+ return request;
+ }
+ }
+
+ /**
+ * {@link DoFn} for Firestore V1 {@link ListDocumentsRequest}s.
+ *
+ * <p>This Fn uses pagination to obtain responses, the response from each
page will be output to
+ * the next stage of the pipeline.
+ *
+ * <p>All request quality-of-service is managed via the instance of {@link
RpcQos} associated with
+ * the lifecycle of this Fn.
+ */
+ static final class ListDocumentsFn
+ extends PaginatedFirestoreV1ReadFn<
+ ListDocumentsRequest,
+ ListDocumentsPagedResponse,
+ ListDocumentsPage,
+ ListDocumentsResponse> {
+
+ ListDocumentsFn(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public Context getRpcAttemptContext() {
+ return FirestoreV1Fn.V1FnRpcAttemptContext.ListDocuments;
+ }
+
+ @Override
+ protected UnaryCallable<ListDocumentsRequest, ListDocumentsPagedResponse>
getCallable(
+ FirestoreStub firestoreStub) {
+ return firestoreStub.listDocumentsPagedCallable();
+ }
+
+ @Override
+ protected ListDocumentsRequest setPageToken(
+ ListDocumentsRequest request, String nextPageToken) {
+ return request.toBuilder().setPageToken(nextPageToken).build();
+ }
+ }
+
+ /**
+ * {@link DoFn} for Firestore V1 {@link ListCollectionIdsRequest}s.
+ *
+ * <p>This Fn uses pagination to obtain responses, the response from each
page will be output to
+ * the next stage of the pipeline.
+ *
+ * <p>All request quality-of-service is managed via the instance of {@link
RpcQos} associated with
+ * the lifecycle of this Fn.
+ */
+ static final class ListCollectionIdsFn
+ extends PaginatedFirestoreV1ReadFn<
+ ListCollectionIdsRequest,
+ ListCollectionIdsPagedResponse,
+ ListCollectionIdsPage,
+ ListCollectionIdsResponse> {
+
+ ListCollectionIdsFn(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public Context getRpcAttemptContext() {
+ return FirestoreV1Fn.V1FnRpcAttemptContext.ListCollectionIds;
+ }
+
+ @Override
+ protected UnaryCallable<ListCollectionIdsRequest,
ListCollectionIdsPagedResponse> getCallable(
+ FirestoreStub firestoreStub) {
+ return firestoreStub.listCollectionIdsPagedCallable();
+ }
+
+ @Override
+ protected ListCollectionIdsRequest setPageToken(
+ ListCollectionIdsRequest request, String nextPageToken) {
+ return request.toBuilder().setPageToken(nextPageToken).build();
+ }
+ }
+
+ /**
+ * {@link DoFn} for Firestore V1 {@link BatchGetDocumentsRequest}s.
+ *
+ * <p>This Fn uses a stream to obtain responses, each response from the
stream will be output to
+ * the next stage of the pipeline. Each response from the stream represents
an individual document
+ * with the associated metadata.
+ *
+ * <p>All request quality-of-service is managed via the instance of {@link
RpcQos} associated with
+ * the lifecycle of this Fn.
+ */
+ static final class BatchGetDocumentsFn
+ extends StreamingFirestoreV1ReadFn<BatchGetDocumentsRequest,
BatchGetDocumentsResponse> {
+
+ BatchGetDocumentsFn(
+ JodaClock clock,
+ FirestoreStatefulComponentFactory firestoreStatefulComponentFactory,
+ RpcQosOptions rpcQosOptions) {
+ super(clock, firestoreStatefulComponentFactory, rpcQosOptions);
+ }
+
+ @Override
+ public Context getRpcAttemptContext() {
+ return FirestoreV1Fn.V1FnRpcAttemptContext.BatchGetDocuments;
+ }
+
+ @Override
+ protected ServerStreamingCallable<BatchGetDocumentsRequest,
BatchGetDocumentsResponse>
+ getCallable(FirestoreStub firestoreStub) {
+ return firestoreStub.batchGetDocumentsCallable();
+ }
+
+ @Override
+ protected BatchGetDocumentsRequest setStartFrom(
+ BatchGetDocumentsRequest originalRequest, BatchGetDocumentsResponse
mostRecentResponse) {
+ int startIndex = -1;
+ ProtocolStringList documentsList = originalRequest.getDocumentsList();
+ String missing = mostRecentResponse.getMissing();
+ String foundName =
+ mostRecentResponse.hasFound() ?
mostRecentResponse.getFound().getName() : null;
+ // we only scan until the second to last originalRequest. If the final
element were to be
+ // reached
+ // the full request would be complete and we wouldn't be in this scenario
+ int maxIndex = documentsList.size() - 2;
+ for (int i = 0; i <= maxIndex; i++) {
+ String docName = documentsList.get(i);
+ if (docName.equals(missing) || docName.equals(foundName)) {
+ startIndex = i;
+ break;
+ }
+ }
+ if (0 <= startIndex) {
+ BatchGetDocumentsRequest.Builder builder =
originalRequest.toBuilder().clearDocuments();
+ documentsList.stream()
+ .skip(startIndex + 1) // start from the next entry from the one we
found
+ .forEach(builder::addDocuments);
+ return builder.build();
+ }
+ // unable to find a match, return the original request
+ return originalRequest;
Review comment:
Yes, that sounds good.
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