aokolnychyi commented on a change in pull request #3132: URL: https://github.com/apache/iceberg/pull/3132#discussion_r715891342
########## File path: spark/src/main/java/org/apache/iceberg/spark/SparkConfParser.java ########## @@ -0,0 +1,180 @@ +/* + * 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.spark; + +import java.util.Map; +import java.util.function.Function; +import org.apache.iceberg.Table; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.spark.sql.RuntimeConfig; +import org.apache.spark.sql.SparkSession; + +class SparkConfParser { + + private final Map<String, String> properties; + private final RuntimeConfig sessionConf; + private final Map<String, String> options; + + SparkConfParser(SparkSession spark, Table table, Map<String, String> options) { + this.properties = table.properties(); + this.sessionConf = spark.conf(); + this.options = options; + } + + public BooleanConfParser booleanConf() { + return new BooleanConfParser(); + } + + public IntConfParser intConf() { + return new IntConfParser(); + } + + public LongConfParser longConf() { + return new LongConfParser(); + } + + public StringConfParser stringConf() { + return new StringConfParser(); + } + + class BooleanConfParser extends ConfParser<BooleanConfParser, Boolean> { + private Boolean defaultValue; + + @Override + protected BooleanConfParser self() { + return this; + } + + public BooleanConfParser defaultValue(boolean value) { + this.defaultValue = value; + return self(); + } + + public boolean parse() { + Preconditions.checkArgument(defaultValue != null, "Default value cannot be null"); + return parse(Boolean::parseBoolean, defaultValue); + } + } + + class IntConfParser extends ConfParser<IntConfParser, Integer> { + private Integer defaultValue; + + @Override + protected IntConfParser self() { + return this; + } + + public IntConfParser defaultValue(int value) { + this.defaultValue = value; + return self(); + } + + public int parse() { + Preconditions.checkArgument(defaultValue != null, "Default value cannot be null"); + return parse(Integer::parseInt, defaultValue); + } + } + + class LongConfParser extends ConfParser<LongConfParser, Long> { + private Long defaultValue; + + @Override + protected LongConfParser self() { + return this; + } + + public LongConfParser defaultValue(long value) { + this.defaultValue = value; + return self(); + } + + public long parse() { + Preconditions.checkArgument(defaultValue != null, "Default value cannot be null"); + return parse(Long::parseLong, defaultValue); + } + } + + class StringConfParser extends ConfParser<StringConfParser, String> { + private String defaultValue; + + @Override + protected StringConfParser self() { + return this; + } + + public StringConfParser defaultValue(String value) { + this.defaultValue = value; + return self(); + } + + public String parse() { + Preconditions.checkArgument(defaultValue != null, "Default value cannot be null"); Review comment: Maybe, I should drop this precondition for Strings. -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
