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package org.example.streams; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.core.Logger; import org.example.StringsTransformer; import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; public class StringTransformersStreams { private Logger logger = (Logger) LogManager.getLogger(getClass()); List<String> data; public StringTransformersStreams(List<String> data){ this.data = data; } private String transformSingleString(String str, List<StringsTransformer.StringFunction> functions) { String currStr = str; for (StringsTransformer.StringFunction func : functions) { currStr = func.transform(currStr); } return currStr; } public List<String> transform(List<StringsTransformer.StringFunction> functions) throws InterruptedException { List<String> res = this.data.parallelStream().map(str -> transformSingleString(str, functions)).collect(Collectors.toList()); logger.info("data=["+ Arrays.toString(this.data.toArray())+"]"); logger.info("res=["+Arrays.toString(res.toArray())+"]"); return res; } }
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