Remove notNull checks for API items that aren't marked nullable

Author: rozza

driver-core/src/main/com/mongodb/internal/operation/AsyncCommandBatchCursor.java

@@ -47,7 +47,6 @@
 
 import static com.mongodb.assertions.Assertions.assertNotNull;
 import static com.mongodb.assertions.Assertions.assertTrue;
-import static com.mongodb.assertions.Assertions.notNull;
 import static com.mongodb.internal.operation.CommandBatchCursorHelper.FIRST_BATCH;
 import static com.mongodb.internal.operation.CommandBatchCursorHelper.MESSAGE_IF_CLOSED_AS_CURSOR;
 import static com.mongodb.internal.operation.CommandBatchCursorHelper.MESSAGE_IF_CONCURRENT_OPERATION;
@@ -85,7 +84,7 @@ class AsyncCommandBatchCursor<T> implements AsyncAggregateResponseBatchCursor<T>
         this.namespace = commandCursorResult.getNamespace();
         this.batchSize = batchSize;
         this.maxTimeMS = maxTimeMS;
-        this.decoder = notNull("decoder", decoder);
+        this.decoder = decoder;
         this.comment = comment;
         this.maxWireVersion = connectionDescription.getMaxWireVersion();
         this.firstBatchEmpty = commandCursorResult.getResults().isEmpty();

driver-core/src/main/com/mongodb/internal/operation/CommandBatchCursor.java

@@ -44,7 +44,6 @@
 
 import static com.mongodb.assertions.Assertions.assertNotNull;
 import static com.mongodb.assertions.Assertions.assertTrue;
-import static com.mongodb.assertions.Assertions.notNull;
 import static com.mongodb.internal.VisibleForTesting.AccessModifier.PRIVATE;
 import static com.mongodb.internal.operation.CommandBatchCursorHelper.FIRST_BATCH;
 import static com.mongodb.internal.operation.CommandBatchCursorHelper.MESSAGE_IF_CLOSED_AS_CURSOR;
@@ -84,7 +83,7 @@ class CommandBatchCursor<T> implements AggregateResponseBatchCursor<T> {
         this.namespace = commandCursorResult.getNamespace();
         this.batchSize = batchSize;
         this.maxTimeMS = maxTimeMS;
-        this.decoder = notNull("decoder", decoder);
+        this.decoder = decoder;
         this.comment = comment;
         this.maxWireVersion = connectionDescription.getMaxWireVersion();
         this.firstBatchEmpty = commandCursorResult.getResults().isEmpty();

driver-core/src/main/com/mongodb/internal/operation/CursorResourceManager.java

@@ -31,7 +31,6 @@
 import static com.mongodb.assertions.Assertions.assertNull;
 import static com.mongodb.assertions.Assertions.assertTrue;
 import static com.mongodb.assertions.Assertions.fail;
-import static com.mongodb.assertions.Assertions.notNull;
 import static com.mongodb.internal.Locks.withLock;
 import static com.mongodb.internal.operation.CommandBatchCursorHelper.MESSAGE_IF_CONCURRENT_OPERATION;
 
@@ -71,11 +70,11 @@ abstract class CursorResourceManager<CS extends ReferenceCounted, C extends Refe
             @Nullable final C connectionToPin,
             @Nullable final ServerCursor serverCursor) {
         this.lock = new ReentrantLock();
-        this.namespace = notNull("mongoNamespace", namespace);
+        this.namespace = namespace;
         this.state = State.IDLE;
         if (serverCursor != null) {
             connectionSource.retain();
-            this.connectionSource = notNull("connectionSource", connectionSource);
+            this.connectionSource = connectionSource;
             if (connectionToPin != null) {
                 connectionToPin.retain();
                 markAsPinned(connectionToPin, Connection.PinningMode.CURSOR);