Topic tests adjustments

Author: pnv1

pom.xml

@@ -18,7 +18,7 @@
         <log4j.version>2.22.1</log4j.version>
         <jcommander.version>1.82</jcommander.version>
 
-        <ydb.sdk.version>2.2.0-SNAPSHOT</ydb.sdk.version>
+        <ydb.sdk.version>2.2.0</ydb.sdk.version>
     </properties>
 
     <modules>

ydb-cookbook/src/main/java/tech/ydb/examples/topic/ReadSync.java

@@ -1,16 +1,16 @@
 package tech.ydb.examples.topic;
 
-import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.time.Duration;
 import java.time.Instant;
+import java.util.List;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import tech.ydb.core.grpc.GrpcTransport;
 import tech.ydb.examples.SimpleExample;
-import tech.ydb.table.Session;
 import tech.ydb.topic.TopicClient;
+import tech.ydb.topic.description.MetadataItem;
 import tech.ydb.topic.read.DecompressionException;
 import tech.ydb.topic.read.Message;
 import tech.ydb.topic.read.SyncReader;
@@ -31,7 +31,7 @@ protected void run(GrpcTransport transport, String pathPrefix) {
             ReaderSettings settings = ReaderSettings.newBuilder()
                     .setConsumerName(CONSUMER_NAME)
                     .addTopic(TopicReadSettings.newBuilder()
-                            .setPath(CONSUMER_NAME)
+                            .setPath(TOPIC_NAME)
                             .setReadFrom(Instant.now().minus(Duration.ofHours(24)))
                             .setMaxLag(Duration.ofMinutes(30))
                             .build())
@@ -42,7 +42,6 @@ protected void run(GrpcTransport transport, String pathPrefix) {
             // Init in background
             reader.init();
 
-
             try {
                 // Reading 5 messages
                 for (int i = 0; i < 5; i++) {

ydb-cookbook/src/main/java/tech/ydb/examples/topic/transactions/TransactionWriteAsync.java

@@ -96,8 +96,8 @@ protected void run(GrpcTransport transport, String pathPrefix) {
                                         switch (result.getState()) {
                                             case WRITTEN:
                                                 WriteAck.Details details = result.getDetails();
-                                                logger.info("Message was written successfully."
-                                                        + ", offset: " + details.getOffset());
+                                                logger.info("Message was written successfully, offset: " +
+                                                        details.getOffset());
                                                 break;
                                             case ALREADY_WRITTEN:
                                                 logger.warn("Message was already written");
@@ -106,7 +106,9 @@ protected void run(GrpcTransport transport, String pathPrefix) {
                                                 break;
                                         }
                                     }
-                                });
+                                })
+                                // Waiting for message to reach server before transaction commit
+                                .join();
                     } catch (QueueOverflowException exception) {
                         logger.error("Queue overflow exception while sending message{}: ", index, exception);
                         // Send queue is full. Need retry with backoff or skip

ydb-cookbook/src/main/java/tech/ydb/examples/topic/transactions/TransactionWriteSync.java

@@ -7,16 +7,13 @@
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import tech.ydb.common.transaction.BaseTransaction;
 import tech.ydb.common.transaction.TxMode;
 import tech.ydb.core.Result;
 import tech.ydb.core.grpc.GrpcTransport;
 import tech.ydb.examples.SimpleExample;
 import tech.ydb.table.Session;
 import tech.ydb.table.TableClient;
 import tech.ydb.table.transaction.TableTransaction;
-import tech.ydb.table.transaction.Transaction;
-import tech.ydb.table.transaction.TxControl;
 import tech.ydb.topic.TopicClient;
 import tech.ydb.topic.description.Codec;
 import tech.ydb.topic.settings.SendSettings;
@@ -92,11 +89,11 @@ protected void run(GrpcTransport transport, String pathPrefix) {
                     } catch (InterruptedException | ExecutionException exception) {
                         logger.error("Couldn't put message {} into sending queue due to exception: ", i, exception);
                     }
+                    // flush to wait until all messages reach server before commit
+                    writer.flush();
                     transaction.commit().join();
                 }
 
-                writer.flush();
-                logger.info("Flush finished");
                 long shutdownTimeoutSeconds = 10;
                 try {
                     writer.shutdown(shutdownTimeoutSeconds, TimeUnit.SECONDS);