draft

driver/pom.xml

@@ -20,7 +20,7 @@
     <rootDir>${project.basedir}/..</rootDir>
     <api.classes.directory>${basedir}/target/classes-without-jpms</api.classes.directory>
     <maven.compiler.xlint.extras>,-try</maven.compiler.xlint.extras>
-    <surefire.jpms.args>--add-opens org.neo4j.driver/org.neo4j.driver.internal.util.messaging=ALL-UNNAMED</surefire.jpms.args>
+    <surefire.jpms.args>--add-opens org.neo4j.driver/org.neo4j.driver.internal.bolt.basicimpl.util.messaging=ALL-UNNAMED</surefire.jpms.args>
     <failsafe.parallelizable.jpms.args>--add-opens org.neo4j.driver/org.neo4j.driver.internal.util=ALL-UNNAMED --add-opens org.neo4j.driver/org.neo4j.driver.internal.async=ALL-UNNAMED</failsafe.parallelizable.jpms.args>
     <blockhound.tag>blockHoundTest</blockhound.tag>
     <maven.deploy.skip>false</maven.deploy.skip>
@@ -114,6 +114,10 @@
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.tngtech.archunit</groupId>
+      <artifactId>archunit-junit5</artifactId>
+    </dependency>
   </dependencies>
 
   <build>

driver/src/main/java/org/neo4j/driver/Config.java

@@ -31,10 +31,8 @@
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import org.neo4j.driver.exceptions.UnsupportedFeatureException;
+import org.neo4j.driver.internal.RoutingSettings;
 import org.neo4j.driver.internal.SecuritySettings;
-import org.neo4j.driver.internal.async.pool.PoolSettings;
-import org.neo4j.driver.internal.cluster.RoutingSettings;
-import org.neo4j.driver.internal.handlers.pulln.FetchSizeUtil;
 import org.neo4j.driver.internal.retry.ExponentialBackoffRetryLogic;
 import org.neo4j.driver.net.ServerAddressResolver;
 import org.neo4j.driver.util.Experimental;
@@ -359,10 +357,10 @@ public boolean isTelemetryDisabled() {
     public static final class ConfigBuilder {
         private Logging logging = DEV_NULL_LOGGING;
         private boolean logLeakedSessions;
-        private int maxConnectionPoolSize = PoolSettings.DEFAULT_MAX_CONNECTION_POOL_SIZE;
-        private long idleTimeBeforeConnectionTest = PoolSettings.DEFAULT_IDLE_TIME_BEFORE_CONNECTION_TEST;
-        private long maxConnectionLifetimeMillis = PoolSettings.DEFAULT_MAX_CONNECTION_LIFETIME;
-        private long connectionAcquisitionTimeoutMillis = PoolSettings.DEFAULT_CONNECTION_ACQUISITION_TIMEOUT;
+        private int maxConnectionPoolSize = 100;
+        private long idleTimeBeforeConnectionTest = -1;
+        private long maxConnectionLifetimeMillis = TimeUnit.HOURS.toMillis(1);
+        private long connectionAcquisitionTimeoutMillis = TimeUnit.SECONDS.toMillis(60);
         private String userAgent = format("neo4j-java/%s", driverVersion());
         private final SecuritySettings.SecuritySettingsBuilder securitySettingsBuilder =
                 new SecuritySettings.SecuritySettingsBuilder();
@@ -371,7 +369,7 @@ public static final class ConfigBuilder {
         private long maxTransactionRetryTimeMillis = ExponentialBackoffRetryLogic.DEFAULT_MAX_RETRY_TIME_MS;
         private ServerAddressResolver resolver;
         private MetricsAdapter metricsAdapter = MetricsAdapter.DEV_NULL;
-        private long fetchSize = FetchSizeUtil.DEFAULT_FETCH_SIZE;
+        private long fetchSize = 1000;
         private int eventLoopThreads = 0;
         private NotificationConfig notificationConfig = NotificationConfig.defaultConfig();
 
@@ -602,7 +600,11 @@ public ConfigBuilder withRoutingTablePurgeDelay(long delay, TimeUnit unit) {
          * @return this builder
          */
         public ConfigBuilder withFetchSize(long size) {
-            this.fetchSize = FetchSizeUtil.assertValidFetchSize(size);
+            if (size <= 0 && size != -1) {
+                throw new IllegalArgumentException(String.format(
+                        "The record fetch size may not be 0 or negative. Illegal record fetch size: %s.", size));
+            }
+            this.fetchSize = size;
             return this;
         }
 

driver/src/main/java/org/neo4j/driver/GraphDatabase.java

@@ -29,6 +29,7 @@
  * @since 1.0
  */
 public final class GraphDatabase {
+
     private GraphDatabase() {}
 
     /**

driver/src/main/java/org/neo4j/driver/SessionConfig.java

@@ -17,7 +17,6 @@
 package org.neo4j.driver;
 
 import static java.util.Objects.requireNonNull;
-import static org.neo4j.driver.internal.handlers.pulln.FetchSizeUtil.assertValidFetchSize;
 
 import java.io.Serial;
 import java.io.Serializable;
@@ -341,7 +340,11 @@ public Builder withDatabase(String database) {
          * @return this builder
          */
         public Builder withFetchSize(long size) {
-            this.fetchSize = assertValidFetchSize(size);
+            if (size <= 0 && size != -1) {
+                throw new IllegalArgumentException(String.format(
+                        "The record fetch size may not be 0 or negative. Illegal record fetch size: %s.", size));
+            }
+            this.fetchSize = size;
             return this;
         }
 

driver/src/main/java/org/neo4j/driver/internal/BoltLogger.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) "Neo4j"
+ * Neo4j Sweden AB [https://neo4j.com]
+ *
+ * Licensed 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.neo4j.driver.internal;
+
+import java.util.ResourceBundle;
+import org.neo4j.driver.Logger;
+
+public class BoltLogger implements System.Logger {
+    private final Logger logger;
+
+    public BoltLogger(Logger logger) {
+        this.logger = logger;
+    }
+
+    @Override
+    public String getName() {
+        throw new RuntimeException(new UnsupportedOperationException("getName() not supported"));
+    }
+
+    @Override
+    public boolean isLoggable(Level level) {
+        return switch (level) {
+            case ALL -> logger.isTraceEnabled() && logger.isDebugEnabled();
+            case TRACE -> logger.isTraceEnabled();
+            case DEBUG -> logger.isDebugEnabled();
+            case INFO, WARNING, ERROR -> true;
+            case OFF -> false;
+        };
+    }
+
+    @Override
+    public void log(Level level, ResourceBundle bundle, String msg, Throwable thrown) {
+        switch (level) {
+            case ALL, OFF -> {}
+            case TRACE -> logger.trace(msg, thrown);
+            case DEBUG -> logger.debug(msg, thrown);
+            case INFO -> logger.info(msg, thrown);
+            case WARNING -> logger.warn(msg, thrown);
+            case ERROR -> logger.error(msg, thrown);
+        }
+    }
+
+    @Override
+    public void log(Level level, ResourceBundle bundle, String format, Object... params) {
+        switch (level) {
+            case TRACE -> logger.trace(format, params);
+            case DEBUG -> logger.debug(format, params);
+            case INFO -> logger.info(format, params);
+            case WARNING -> logger.warn(format, params);
+            case ALL, OFF, ERROR -> {}
+        }
+    }
+}

driver/src/main/java/org/neo4j/driver/internal/BoltLoggingProvider.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) "Neo4j"
+ * Neo4j Sweden AB [https://neo4j.com]
+ *
+ * Licensed 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.neo4j.driver.internal;
+
+import org.neo4j.driver.Logging;
+import org.neo4j.driver.internal.bolt.api.LoggingProvider;
+
+public class BoltLoggingProvider implements LoggingProvider {
+    private final Logging logging;
+
+    public BoltLoggingProvider(Logging logging) {
+        this.logging = logging;
+    }
+
+    @Override
+    public System.Logger getLog(Class<?> cls) {
+        return new BoltLogger(logging.getLog(cls));
+    }
+
+    @Override
+    public System.Logger getLog(String name) {
+        return new BoltLogger(logging.getLog(name));
+    }
+}