lay foundation for component hierarchy

engine-cli/src/main/java/io/nosqlbench/engine/cli/NBCLI.java

@@ -72,7 +72,7 @@ import java.util.ServiceLoader.Provider;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-public class NBCLI implements Function<String[], Integer>, NBLabeledElement {
+public class NBCLI implements Function<String[], Integer>, NBComponent {
 
     private static Logger logger;
     private static final LoggerConfig loggerConfig;
@@ -165,7 +165,8 @@ public class NBCLI implements Function<String[], Integer>, NBLabeledElement {
 
         this.sessionCode = SystemId.genSessionCode(sessionTime);
         this.sessionName = SessionNamer.format(globalOptions.getSessionName(), sessionTime).replaceAll("SESSIONCODE", sessionCode);
-        this.labels = NBLabels.forKV("appname", "nosqlbench")
+        this.labels = NBLabels.forKV()
+            .and("appname", "nosqlbench")
             .and("node", SystemId.getNodeId())
             .and(globalOptions.getLabelMap());
 
@@ -599,4 +600,9 @@ public class NBCLI implements Function<String[], Integer>, NBLabeledElement {
     public NBLabels getLabels() {
         return labels;
     }
+
+    @Override
+    public NBComponent getParent() {
+        return this;
+    }
 }

engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/Scenario.java

@@ -19,6 +19,11 @@ import com.codahale.metrics.MetricRegistry;
 import com.oracle.truffle.js.scriptengine.GraalJSScriptEngine;
 import io.nosqlbench.api.annotations.Annotation;
 import io.nosqlbench.api.annotations.Layer;
+import io.nosqlbench.api.config.NBComponent;
+import io.nosqlbench.api.config.standard.NBBaseComponent;
+import io.nosqlbench.api.engine.metrics.ActivityMetrics;
+import io.nosqlbench.api.extensions.SandboxExtensionFinder;
+import io.nosqlbench.api.extensions.ScriptingExtensionPluginInfo;
 import io.nosqlbench.api.labels.NBLabeledElement;
 import io.nosqlbench.api.labels.NBLabels;
 import io.nosqlbench.api.metadata.ScenarioMetadata;
@@ -55,7 +60,7 @@ import java.nio.file.StandardOpenOption;
 import java.util.*;
 import java.util.concurrent.Callable;
 
-public class Scenario implements Callable<ExecutionMetricsResult>, NBLabeledElement {
+public class Scenario extends NBBaseComponent implements Callable<ExecutionMetricsResult> {
 
     private final String reportSummaryTo;
     private final Path logsPath;

engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/session/ResultCollector.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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 io.nosqlbench.engine.core.lifecycle.session;
+
+import io.nosqlbench.engine.core.lifecycle.ExecutionResult;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+
+public class ResultCollector implements Consumer<ResultContext> {
+    private final List<ResultContext> results = new ArrayList<>();
+
+    @Override
+    public void accept(ResultContext resultContext) {
+        this.results.add(resultContext);
+    }
+
+    public ExecutionResult toExecutionResult() {
+        if (results.size()==1) {
+            return results.get(0).toExecutionResult();
+        } else {
+            long min = results.stream().mapToLong(ResultContext::startMillis).min().orElseThrow();
+            long max = results.stream().mapToLong(ResultContext::stopMillis).max().orElseThrow();
+            String buf = results.stream().map(ResultContext::output).collect(Collectors.joining("\n\n", "---", "--"));
+            return new ExecutionResult(min,max,buf,results.get(0).getException());
+        }
+
+    }
+}

engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/session/ResultContext.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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 io.nosqlbench.engine.core.lifecycle.session;
+
+import io.nosqlbench.engine.core.lifecycle.ExecutionResult;
+
+import java.util.function.Consumer;
+
+public class ResultContext implements AutoCloseable {
+    private final Consumer<ResultContext> receiver;
+    private ExecutionResult.Status status;
+
+    ResultContext(Consumer<ResultContext> receiver) {
+        this.receiver = receiver;
+    }
+
+    private final long startMillis = System.currentTimeMillis();
+    private Exception error;
+    public final StringBuilder buf = new StringBuilder();
+    private long stopMillis;
+
+    public void error(Exception error) {
+        this.error = error;
+    }
+
+    public void output(CharSequence cs) {
+        buf.append(cs);
+    }
+    public String output() {
+        return buf.toString();
+    }
+
+    @Override
+    public void close() throws RuntimeException {
+        this.stopMillis = System.currentTimeMillis();
+        if (this.status==null) {
+            this.status= ExecutionResult.Status.ERROR;
+            if (this.error!=null) {
+                this.error=new RuntimeException("early execution result with no asserted status. Call setStatus on your result context or end with `return ctx.ok() or ctx.error(...)`");
+            }
+        }
+        receiver.accept(this);
+    }
+
+    public ExecutionResult toExecutionResult() {
+        return new ExecutionResult(this.startMillis,this.stopMillis,buf.toString(), error);
+    }
+
+    public void ok() {
+        this.status= ExecutionResult.Status.OK;
+    }
+    public void error() {
+        this.status= ExecutionResult.Status.ERROR;
+    }
+
+    public long startMillis() {
+        return this.startMillis;
+    }
+
+    public long stopMillis() {
+        return this.stopMillis;
+    }
+
+    public Exception getException() {
+        return error;
+    }
+}

engine-core/src/test/java/io/nosqlbench/engine/core/script/ScenariosExecutorTest.java

@@ -16,10 +16,10 @@
 
 package io.nosqlbench.engine.core.script;
 
-import io.nosqlbench.engine.core.lifecycle.scenario.ScenariosResults;
+import io.nosqlbench.api.config.standard.TestComponent;
 import io.nosqlbench.engine.core.lifecycle.scenario.Scenario;
 import io.nosqlbench.engine.core.lifecycle.scenario.ScenariosExecutor;
-import io.nosqlbench.nb.annotations.Maturity;
+import io.nosqlbench.engine.core.lifecycle.scenario.ScenariosResults;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
@@ -29,7 +29,7 @@ public class ScenariosExecutorTest {
     @Disabled
     public void testAwaitOnTime() {
         ScenariosExecutor e = new ScenariosExecutor(ScenariosExecutorTest.class.getSimpleName(), 1);
-        Scenario s = Scenario.forTesting("testing", Scenario.Engine.Graalvm,"stdout:3000", Maturity.Any);
+        Scenario s = Scenario.forTesting("testing", "stdout:3000", new TestComponent());
         s.addScriptText("load('classpath:scripts/asyncs.js');\nsetTimeout(\"print('waited')\",5000);\n");
         e.execute(s);
         ScenariosResults scenariosResults = e.awaitAllResults();

nb-api/src/main/java/io/nosqlbench/api/config/NBComponent.java

@@ -16,6 +16,8 @@
 
 package io.nosqlbench.api.config;
 
+import io.nosqlbench.api.labels.NBLabeledElement;
+
 /**
  * A Component is a functional element of the NoSQLBench runtime which is:
  * <UL>
@@ -29,5 +31,7 @@ package io.nosqlbench.api.config;
  *
  * This interface will start as a tagging interface, but will eventually include aspects of above by extension.
  */
-public interface NBComponent {
+public interface NBComponent extends NBLabeledElement {
+
+    NBComponent getParent();
 }

nb-api/src/main/java/io/nosqlbench/api/config/standard/NBBaseComponent.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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 io.nosqlbench.api.config.standard;
+
+import io.nosqlbench.api.config.NBComponent;
+import io.nosqlbench.api.labels.NBLabels;
+
+public class NBBaseComponent implements NBComponent {
+    private final NBComponent parent;
+    private final NBLabels labels;
+
+    public NBBaseComponent(NBComponent parentComponent, NBLabels compomentSpecificLabelsOnly) {
+        this.parent = parentComponent;
+        this.labels = compomentSpecificLabelsOnly;
+    }
+    @Override
+    public NBComponent getParent() {
+        return parent;
+    }
+
+    @Override
+    public NBLabels getLabels() {
+        return this.parent.getLabels().and(labels);
+    }
+}

nb-api/src/main/java/io/nosqlbench/api/config/standard/TestComponent.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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 io.nosqlbench.api.config.standard;
+
+import io.nosqlbench.api.config.NBComponent;
+import io.nosqlbench.api.labels.NBLabels;
+
+public class TestComponent implements NBComponent {
+
+    private final NBLabels labels;
+
+    public TestComponent(String... labels) {
+        this.labels = NBLabels.forKV((Object[]) labels);
+    }
+    @Override
+    public NBComponent getParent() {
+        return this;
+    }
+
+    @Override
+    public NBLabels getLabels() {
+        return labels;
+    }
+}

nb-api/src/main/java/io/nosqlbench/api/labels/NBLabeledElement.java

@@ -16,11 +16,9 @@
 
 package io.nosqlbench.api.labels;
 
-import io.nosqlbench.api.config.NBComponent;
-
 import java.util.Map;
 
-public interface NBLabeledElement extends NBComponent {
+public interface NBLabeledElement {
 
     NBLabeledElement EMPTY = forKV();