polyzos commented on code in PR #1992: URL: https://github.com/apache/fluss/pull/1992#discussion_r2560825627
########## fluss-client/src/main/java/org/apache/fluss/client/table/writer/TypedAppendWriter.java: ########## @@ -0,0 +1,58 @@ +/* + * 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.fluss.client.table.writer; + +import org.apache.fluss.client.converter.PojoToRowConverter; +import org.apache.fluss.metadata.TableInfo; +import org.apache.fluss.row.InternalRow; +import org.apache.fluss.types.RowType; + +import java.util.concurrent.CompletableFuture; + +/** + * A typed {@link AppendWriter} that converts POJOs to {@link InternalRow} and delegates to the + * existing internal-row based writer implementation. + */ +class TypedAppendWriter<T> implements AppendWriter<T> { + + private final AppendWriterImpl delegate; + private final Class<T> pojoClass; + private final RowType tableSchema; + private final PojoToRowConverter<T> pojoToRowConverter; + + TypedAppendWriter(AppendWriterImpl delegate, Class<T> pojoClass, TableInfo tableInfo) { + this.delegate = delegate; + this.pojoClass = pojoClass; + this.tableSchema = tableInfo.getRowType(); + this.pojoToRowConverter = PojoToRowConverter.of(pojoClass, tableSchema, tableSchema); + } + + @Override + public void flush() { + delegate.flush(); + } + + @Override + public CompletableFuture<AppendResult> append(T record) { + if (record instanceof InternalRow) { + return delegate.append((InternalRow) record); + } + InternalRow row = pojoToRowConverter.toRow(record); Review Comment: the main conversion here Pojo -> InternalRow. IndexedRow is of type InternalRow and is used when the user specifies indexed as the log format. Arrow is the default one. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
