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The following commit(s) were added to refs/heads/master by this push:
new 957a7cd22b6 created CsvIOReadFiles class (#31738)
957a7cd22b6 is described below
commit 957a7cd22b6974a4c565846ad32b9fb9fc9c8122
Author: lahariguduru <108150650+laharigud...@users.noreply.github.com>
AuthorDate: Mon Jul 1 20:20:15 2024 +0000
created CsvIOReadFiles class (#31738)
Co-authored-by: Lahari Guduru <laharigud...@google.com>
---
.../org/apache/beam/sdk/io/csv/CsvIOReadFiles.java | 54 ++++++++++++++++++++++
.../apache/beam/sdk/io/csv/CsvIOReadFilesTest.java | 32 +++++++++++++
2 files changed, 86 insertions(+)
diff --git
a/sdks/java/io/csv/src/main/java/org/apache/beam/sdk/io/csv/CsvIOReadFiles.java
b/sdks/java/io/csv/src/main/java/org/apache/beam/sdk/io/csv/CsvIOReadFiles.java
new file mode 100644
index 00000000000..0f6267c6b34
--- /dev/null
+++
b/sdks/java/io/csv/src/main/java/org/apache/beam/sdk/io/csv/CsvIOReadFiles.java
@@ -0,0 +1,54 @@
+/*
+ * 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.csv;
+
+import org.apache.beam.sdk.Pipeline;
+import org.apache.beam.sdk.io.FileIO;
+import org.apache.beam.sdk.transforms.PTransform;
+import org.apache.beam.sdk.values.PCollection;
+import org.apache.beam.sdk.values.PCollectionTuple;
+import org.apache.beam.sdk.values.TupleTag;
+
+/**
+ * Skeleton for error handling in CsvIO that transforms a {@link
FileIO.ReadableFile} into the
+ * result of parsing.
+ */
+// TODO(https://github.com/apache/beam/issues/31736): Plan completion in
future PR after
+// dependencies are completed.
+class CsvIOReadFiles<T> extends PTransform<PCollection<FileIO.ReadableFile>,
CsvIOParseResult<T>> {
+ /** Stores required parameters for parsing. */
+ private final CsvIOParseConfiguration.Builder configBuilder;
+
+ CsvIOReadFiles(CsvIOParseConfiguration.Builder configBuilder) {
+ this.configBuilder = configBuilder;
+ }
+
+ /** {@link PTransform} that parses and relays the filename associated with
each error. */
+ // TODO: complete expand method to unsure parsing from FileIO.ReadableFile
to CsvIOParseResult.
+ @Override
+ public CsvIOParseResult<T> expand(PCollection<FileIO.ReadableFile> input) {
+ // TODO(https://github.com/apache/beam/issues/31736): Needed to prevent
check errors, will
+ // remove with future PR.
+ configBuilder.build();
+ TupleTag<T> outputTag = new TupleTag<>();
+ TupleTag<CsvIOParseError> errorTag = new TupleTag<>();
+ Pipeline p = input.getPipeline();
+ PCollectionTuple tuple = PCollectionTuple.empty(p);
+ return CsvIOParseResult.of(outputTag, errorTag, tuple);
+ }
+}
diff --git
a/sdks/java/io/csv/src/test/java/org/apache/beam/sdk/io/csv/CsvIOReadFilesTest.java
b/sdks/java/io/csv/src/test/java/org/apache/beam/sdk/io/csv/CsvIOReadFilesTest.java
new file mode 100644
index 00000000000..c4a62f84eae
--- /dev/null
+++
b/sdks/java/io/csv/src/test/java/org/apache/beam/sdk/io/csv/CsvIOReadFilesTest.java
@@ -0,0 +1,32 @@
+/*
+ * 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.csv;
+
+import org.apache.beam.sdk.util.SerializableUtils;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for {@link CsvIOReadFiles}. */
+@RunWith(JUnit4.class)
+public class CsvIOReadFilesTest {
+ @Test
+ public void isSerializable() {
+ SerializableUtils.ensureSerializable(CsvIOReadFiles.class);
+ }
+}
