diff --git a/Java/pom.xml b/Java/pom.xml index 7bcbb27..022ed4c 100644 --- a/Java/pom.xml +++ b/Java/pom.xml @@ -542,6 +542,41 @@ beam-sdks-java-io-jdbc + + + org.apache.beam + beam-sdks-java-io-mongodb + + + + org.mongodb + mongo-java-driver + 3.12.11 + compile + + + org.checkerframework + jdk8 + + + com.google.guava + guava-jdk5 + + + jdk.tools + jdk.tools + + + com.google.protobuf + protobuf-lite + + + org.hamcrest + hamcrest-all + + + + com.google.cloud.sql diff --git a/Java/src/main/java/mongodb/ReadMongoDB.java b/Java/src/main/java/mongodb/ReadMongoDB.java new file mode 100644 index 0000000..fe954ff --- /dev/null +++ b/Java/src/main/java/mongodb/ReadMongoDB.java @@ -0,0 +1,91 @@ +/* + * Copyright 2024 Google LLC + * + * Licensed 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 + * + * https://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 mongodb; + +import org.apache.beam.sdk.Pipeline; +import org.apache.beam.sdk.io.mongodb.MongoDbIO; +import org.apache.beam.sdk.options.Default; +import org.apache.beam.sdk.options.Description; +import org.apache.beam.sdk.options.PipelineOptions; +import org.apache.beam.sdk.options.PipelineOptionsFactory; +import org.apache.beam.sdk.options.Validation; +import org.apache.beam.sdk.transforms.DoFn; +import org.apache.beam.sdk.transforms.ParDo; +import org.bson.Document; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class ReadMongoDB { + + private static final Logger LOG = + LoggerFactory.getLogger(ReadMongoDB.class); + + private static final String ID_COLUMN = "id"; + private static final String NAME_COLUMN = "name"; + + /** + * Pipeline options for read from MongoDB. + */ + public interface ReadMongoDbOptions extends PipelineOptions { + @Description("The MongoDB connection string following the URI format") + @Default.String("mongodb://localhost:27017") + String getUri(); + + void setUri(String uri); + + @Description("The MongoDB database name") + @Validation.Required + String getDbName(); + + void setDbName(String dbName); + + @Description("The MongoDB collection name") + @Validation.Required + String getCollection(); + + void setCollection(String collection); + } + + public static void main(String[] args) { + ReadMongoDbOptions options = + PipelineOptionsFactory.fromArgs(args) + .withValidation().as(ReadMongoDbOptions.class); + + Pipeline p = Pipeline.create(options); + + p.apply( + "Read from MongoDB", + MongoDbIO.read() + .withUri(options.getUri()) + .withDatabase(options.getDbName()) + .withCollection(options.getCollection())) + .apply( + "Log Data", + ParDo.of( + new DoFn() { + @DoFn.ProcessElement + public void processElement(ProcessContext c) { + LOG.info( + "Id = {}, Name = {}", + c.element().get(ID_COLUMN), + c.element().get(NAME_COLUMN)); + c.output(c.element()); + } + })); + + p.run(); + } +} \ No newline at end of file diff --git a/Java/src/main/java/mongodb/WriteMongoDB.java b/Java/src/main/java/mongodb/WriteMongoDB.java new file mode 100644 index 0000000..6947991 --- /dev/null +++ b/Java/src/main/java/mongodb/WriteMongoDB.java @@ -0,0 +1,85 @@ +/* + * Copyright 2024 Google LLC + * + * Licensed 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 + * + * https://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 mongodb; + +import org.apache.beam.sdk.Pipeline; +import org.apache.beam.sdk.io.mongodb.MongoDbIO; +import org.apache.beam.sdk.options.Default; +import org.apache.beam.sdk.options.Description; +import org.apache.beam.sdk.options.PipelineOptions; +import org.apache.beam.sdk.options.PipelineOptionsFactory; +import org.apache.beam.sdk.options.Validation; +import org.apache.beam.sdk.transforms.Create; +import org.bson.Document; + +import java.util.Arrays; +import java.util.List; + +public class WriteMongoDB { + + private static final String ID_COLUMN = "id"; + private static final String NAME_COLUMN = "name"; + + /** + * Pipeline options for write to MongoDB. + */ + public interface WriteMongoDbOptions extends PipelineOptions { + @Description("The MongoDB connection string following the URI format") + @Default.String("mongodb://localhost:27017") + String getUri(); + + void setUri(String uri); + + @Description("The MongoDB database name") + @Validation.Required + String getDbName(); + + void setDbName(String dbName); + + @Description("The MongoDB collection name") + @Validation.Required + String getCollection(); + + void setCollection(String collection); + } + + public static void main(String[] args) { + WriteMongoDbOptions options = + PipelineOptionsFactory.fromArgs(args) + .withValidation().as(WriteMongoDbOptions.class); + + Pipeline p = Pipeline.create(options); + + List rows = Arrays.asList( + new Document(ID_COLUMN, 1).append(NAME_COLUMN, "Charles"), + new Document(ID_COLUMN, 2).append(NAME_COLUMN, "Alice"), + new Document(ID_COLUMN, 3).append(NAME_COLUMN, "Bob"), + new Document(ID_COLUMN, 4).append(NAME_COLUMN, "Amanda"), + new Document(ID_COLUMN, 5).append(NAME_COLUMN, "Alex"), + new Document(ID_COLUMN, 6).append(NAME_COLUMN, "Eliza") + ); + + p.apply("Create", Create.of(rows)) + .apply( + "Write to MongoDB", + MongoDbIO.write() + .withUri(options.getUri()) + .withDatabase(options.getDbName()) + .withCollection(options.getCollection())); + + p.run(); + } +}