package de.juplo.kafka.wordcount.counter;
+import org.apache.kafka.common.header.Header;
+import org.apache.kafka.common.header.Headers;
import org.apache.kafka.streams.KeyValue;
import java.util.List;
Word.of("klaus","s"));
}
- static void assertExpectedResult(List<KeyValue<Word, WordCount>> receivedMessages)
+ static void assertExpectedResult(List<KeyValue<Word, WordCounter>> receivedMessages)
{
assertThat(receivedMessages).hasSize(11);
assertThat(receivedMessages).containsSubsequence(
expectedMessages[9]); // Boäh
}
- static KeyValue<Word,WordCount>[] expectedMessages = new KeyValue[]
+ static KeyValue<Word, WordCounter>[] expectedMessages = new KeyValue[]
{
KeyValue.pair(
Word.of("peter","Hallo"),
- WordCount.of("peter","Hallo",1)),
+ WordCounter.of("peter","Hallo",1)),
KeyValue.pair(
Word.of("klaus","Müsch"),
- WordCount.of("klaus","Müsch",1)),
+ WordCounter.of("klaus","Müsch",1)),
KeyValue.pair(
Word.of("peter","Welt"),
- WordCount.of("peter","Welt",1)),
+ WordCounter.of("peter","Welt",1)),
KeyValue.pair(
Word.of("klaus","Müsch"),
- WordCount.of("klaus","Müsch",2)),
+ WordCounter.of("klaus","Müsch",2)),
KeyValue.pair(
Word.of("klaus","s"),
- WordCount.of("klaus","s",1)),
+ WordCounter.of("klaus","s",1)),
KeyValue.pair(
Word.of("peter","Boäh"),
- WordCount.of("peter","Boäh",1)),
+ WordCounter.of("peter","Boäh",1)),
KeyValue.pair(
Word.of("peter","Welt"),
- WordCount.of("peter","Welt",2)),
+ WordCounter.of("peter","Welt",2)),
KeyValue.pair(
Word.of("peter","Boäh"),
- WordCount.of("peter","Boäh",2)),
+ WordCounter.of("peter","Boäh",2)),
KeyValue.pair(
Word.of("klaus","s"),
- WordCount.of("klaus","s",2)),
+ WordCounter.of("klaus","s",2)),
KeyValue.pair(
Word.of("peter","Boäh"),
- WordCount.of("peter","Boäh",3)),
+ WordCounter.of("peter","Boäh",3)),
KeyValue.pair(
Word.of("klaus","s"),
- WordCount.of("klaus","s",3)),
+ WordCounter.of("klaus","s",3)),
};
static Map<String, Object> convertToMap(Properties properties)
entry -> entry.getValue()
));
}
+
+ static String parseHeader(Headers headers, String key)
+ {
+ Header header = headers.lastHeader(key);
+ if (header == null)
+ {
+ return key + "=null";
+ }
+ else
+ {
+ return key + "=" + new String(header.value());
+ }
+ }
}