cqld4 partial progress

driver-cqld4/src/main/java/Cqld4Action.java

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+import io.nosqlbench.engine.api.activityapi.core.SyncAction;
+
+public class Cqld4Action implements SyncAction {
+
+    private final Cqld4Activity activity;
+
+    public Cqld4Action(int slot, Cqld4Activity activity) {
+        this.activity = activity;
+    }
+
+    @Override
+    public int runCycle(long cycle) {
+
+
+        return 0;
+    }
+
+}

driver-cqld4/src/main/java/Cqld4Activity.java

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+import io.nosqlbench.engine.api.activityapi.planning.OpSequence;
+import io.nosqlbench.engine.api.activityconfig.yaml.OpTemplate;
+import io.nosqlbench.engine.api.activityimpl.ActivityDef;
+import io.nosqlbench.engine.api.activityimpl.OpDispenser;
+import io.nosqlbench.engine.api.activityimpl.SimpleActivity;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.function.Function;
+
+public class Cqld4Activity extends SimpleActivity {
+
+    private final static Logger logger = LogManager.getLogger(Cqld4Activity.class);
+
+    private OpSequence<OpDispenser<Cqld4Op>> sequence;
+
+    public Cqld4Activity(ActivityDef activityDef) {
+        super(activityDef);
+    }
+
+    @Override
+    public void initActivity() {
+        super.initActivity();
+        Function<OpTemplate,OpDispenser<Cqld4Op>> f = Cqld4ReadyOp::new;
+        sequence = createOpSequence(f);
+    }
+}

driver-cqld4/src/main/java/Cqld4ActivityType.java

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+import io.nosqlbench.engine.api.activityapi.core.Action;
+import io.nosqlbench.engine.api.activityapi.core.ActionDispenser;
+import io.nosqlbench.engine.api.activityapi.core.ActivityType;
+import io.nosqlbench.engine.api.activityimpl.ActivityDef;
+import io.nosqlbench.nb.annotations.Service;
+
+/**
+ * A new driver which use the Apache Cassandra CQL driver version 4.
+ * To differentiate code in this module from the initial CQL driver,
+ * all classes are prefixed with Cqld4. Full docs are in the cqld4.md file.
+ */
+@Service(value=ActivityType.class,selector = "cqld4")
+public class Cqld4ActivityType implements ActivityType<Cqld4Activity> {
+
+    @Override
+    public Cqld4Activity getActivity(ActivityDef activityDef) {
+        return new Cqld4Activity(activityDef);
+    }
+
+    @Override
+    public ActionDispenser getActionDispenser(Cqld4Activity activity) {
+        if (activity.getParams().getOptionalString("async").isPresent()) {
+            throw new RuntimeException("This driver does not support async mode yet.");
+        }
+        return new Cqld4ActionDispenser(activity);
+    }
+
+    private final static class Cqld4ActionDispenser implements ActionDispenser {
+
+        private final Cqld4Activity activity;
+
+        public Cqld4ActionDispenser(Cqld4Activity activity) {
+            this.activity = activity;
+        }
+
+        @Override
+        public Action getAction(int slot) {
+            return new Cqld4Action(slot, activity);
+        }
+    }
+
+}

driver-cqld4/src/main/java/Cqld4Op.java

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+public class Cqld4Op {
+}

driver-cqld4/src/main/java/Cqld4OpMapper.java

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+import io.nosqlbench.engine.api.activityconfig.yaml.OpTemplate;
+import io.nosqlbench.engine.api.activityimpl.OpDispenser;
+
+import java.util.function.Function;
+
+public class Cqld4OpMapper implements Function<OpTemplate, OpDispenser<Cqld4Op>> {
+
+    public Cqld4OpMapper(OpTemplate opTemplate) {
+
+    }
+
+    @Override
+    public OpDispenser<Cqld4Op> apply(OpTemplate opTemplate) {
+        return null;
+    }
+}

driver-cqld4/src/main/java/Cqld4ReadyOp.java

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+import io.nosqlbench.engine.api.activityconfig.yaml.OpTemplate;
+import io.nosqlbench.engine.api.activityimpl.OpDispenser;
+
+public class Cqld4ReadyOp implements OpDispenser<Cqld4Op> {
+
+    public Cqld4ReadyOp(OpTemplate template) {
+    }
+
+    @Override
+    public Cqld4Op apply(long value) {
+        return null;
+    }
+}

driver-cqld4/src/main/resources/cqld4.md

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+# cqld4 driver
+
+This is the newly revamped (alpha) driver for cql which uses
+the OSS Driver version 4. As there was a significant restructuring
+of the APIs between CQL driver 4 and previous versions, this driver
+is not a derivative of the previous NoSQLBench CQL driver which
+was based on the version 1.9 native driver. Instead, it is a
+clean and separate implementation which aims to use the features
+of version 4* of the native driver directly.
+
+This means that many features that advanced testers may have been
+used to (the syntactical sugar, the surfacing of advanced configuration
+properties in simple ways, and so on) will have to be redesigned to
+fit with version 4 of the driver. Most users who do basic testing with
+direct CQL syntax should see few issues, but advanced testers will need
+to consult this documentation specifically to understand the differences
+between `cqld4` NB features and `cql` NB features.
+
+