added multi node token walker from trunk

Author: dcapwell

test/distributed/org/apache/cassandra/distributed/test/cql3/MultiNodeTokenConflictTest.java

@@ -0,0 +1,76 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.cassandra.distributed.test.cql3;
+
+import java.io.IOException;
+
+import accord.utils.Property;
+import accord.utils.RandomSource;
+import org.apache.cassandra.distributed.Cluster;
+import org.apache.cassandra.distributed.api.ConsistencyLevel;
+
+public class MultiNodeTokenConflictTest extends SingleNodeTokenConflictTest
+{
+    @Override
+    protected void preCheck(Property.StatefulBuilder builder)
+    {
+        // if a failing seed is detected, populate here
+        // Example: builder.withSeed(42L);
+        // CQL operations may have opertors such as +, -, and / (example 4 + 4), to "apply" them to get a constant value
+        // CQL_DEBUG_APPLY_OPERATOR = true;
+    }
+
+    @Override
+    protected Cluster createCluster() throws IOException
+    {
+        return createCluster(3, c -> {
+            c.set("range_request_timeout", "180s")
+             .set("read_request_timeout", "180s")
+             .set("write_request_timeout", "180s")
+             .set("native_transport_timeout", "180s")
+             .set("slow_query_log_timeout", "180s");
+        });
+    }
+
+    @Override
+    protected State createState(RandomSource rs, Cluster cluster)
+    {
+        return new MultiNodeState(rs, cluster);
+    }
+
+    private class MultiNodeState extends State
+    {
+        MultiNodeState(RandomSource rs, Cluster cluster)
+        {
+            super(rs, cluster);
+        }
+
+        @Override
+        protected ConsistencyLevel selectCl()
+        {
+            return ConsistencyLevel.ALL;
+        }
+
+        @Override
+        protected ConsistencyLevel mutationCl()
+        {
+            return ConsistencyLevel.NODE_LOCAL;
+        }
+    }
+}