/* * 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. */ /** * Defines transforms for reading and writing common storage formats, including * {@link org.apache.beam.sdk.io.AvroIO}, and * {@link org.apache.beam.sdk.io.TextIO}. * * <p>The classes in this package provide {@code Read} transforms that create PCollections * from existing storage: * <pre>{@code * PCollection<TableRow> inputData = pipeline.apply( * BigQueryIO.read().from("clouddataflow-readonly:samples.weather_stations")); * }</pre> * and {@code Write} transforms that persist PCollections to external storage: * <pre> {@code * PCollection<Integer> numbers = ...; * numbers.apply(TextIO.write().to("gs://my_bucket/path/to/numbers")); * } </pre> */ package org.apache.beam.sdk.io;