pvary commented on code in PR #12298: URL: https://github.com/apache/iceberg/pull/12298#discussion_r2039514284
########## core/src/main/java/org/apache/iceberg/io/AppenderBuilder.java: ########## @@ -0,0 +1,136 @@ +/* + * 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.iceberg.io; + +import java.io.IOException; +import java.nio.ByteBuffer; +import org.apache.iceberg.MetricsConfig; +import org.apache.iceberg.Schema; + +/** + * Interface which should be implemented by the data file format implementations. The {@link + * AppenderBuilder} will be parametrized based on the user provided configuration and finally the + * {@link AppenderBuilder#build(AppenderBuilder.WriteMode)} method is used to generate the appender + * for the specific writer use-cases. The following input should be handled by the appender in the + * specific modes: + * + * <ul> + * <li>The appender's engine specific input type + * <ul> + * <li>{@link AppenderBuilder.WriteMode#APPENDER} + * <li>{@link AppenderBuilder.WriteMode#DATA_WRITER} + * <li>{@link AppenderBuilder.WriteMode#EQUALITY_DELETE_WRITER} + * </ul> + * <li>{@link org.apache.iceberg.deletes.PositionDelete} where the type of the row is the + * appender's engine specific input type + * <ul> + * <li>{@link AppenderBuilder.WriteMode#POSITION_DELETE_WRITER} + * <li>{@link AppenderBuilder.WriteMode#POSITION_DELETE_WITH_ROW_WRITER} + * </ul> + * </ul> + * + * @param <B> type returned by builder API to allow chained calls + * @param <E> the engine specific schema of the input data + */ +public interface AppenderBuilder<B extends AppenderBuilder<B, E>, E> { + /** Set the file schema. */ + B schema(Schema newSchema); + + /** + * Set a writer configuration property. + * + * <p>Write configuration affects writer behavior. To add file metadata properties, use {@link + * #meta(String, String)}. + * + * @param property a writer config property name + * @param value config value + * @return this for method chaining + */ + B set(String property, String value); + + /** + * Set a file metadata property. + * + * <p>Metadata properties are written into file metadata. To alter a writer configuration + * property, use {@link #set(String, String)}. + * + * @param property a file metadata property name + * @param value config value + * @return this for method chaining + */ + B meta(String property, String value); + + /** Sets the metrics configuration used for collecting column metrics for the created file. */ + B metricsConfig(MetricsConfig newMetricsConfig); + + /** Overwrite the file if it already exists. The default value is <code>false</code>. */ + B overwrite(boolean enabled); Review Comment: Deprecated the `overwrite(boolean enabled)`. The solution is a bit tricky. I need the old functionality until the deprecation allows for the removal of the old methods. In the end, I had to keep the `overwrite(boolean enabled)` in the new interface, but marked it for removal. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
