update to Java 14

DOWNLOADS.md

@@ -9,7 +9,7 @@ The latest release of NoSQLBench is always available from github releases.
   - (be sure to `chmod +x nb` once you download it)
 - download [the latest release of nb.jar](https://github.com/nosqlbench/nosqlbench/releases/latest/download/nb.jar), a
   single-jar application.
-  - This requires java 12 or later, make sure your `java -version` command says that you are on Java 12 or later.
+  - This requires java 14 or later, make sure your `java -version` command says that you are on Java 14 or later.
 
 ## Docker
 

mvn-defaults/pom.xml

@@ -11,7 +11,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <javadoc.name>nosqlbench</javadoc.name>
 
-        <java.target.version>12</java.target.version>
+        <java.target.version>14</java.target.version>
 
         <!-- properties for package versions -->
         <antlr4.version>4.8</antlr4.version>
@@ -474,7 +474,6 @@
 
     <build>
         <plugins>
-            <!-- Compile & Source 11 -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>

nb-annotations/src/main/java/io/nosqlbench/nb/annotations/ServiceProcessor.java

@@ -20,7 +20,8 @@ import java.util.stream.Collectors;
  * <pre>classes/META-INF/services/servicename</pre> file for each
  * implemented and annotated service name.
  */
-@SupportedSourceVersion(SourceVersion.RELEASE_12)
+@SupportedSourceVersion(SourceVersion.RELEASE_14)
+
 public class ServiceProcessor extends AbstractProcessor {
     public final static String SERVICE_NAME = Service.class.getCanonicalName();
 

virtdata-api/src/main/java/io/nosqlbench/virtdata/api/processors/FunctionDocInfoProcessor.java

@@ -24,7 +24,7 @@ import static io.nosqlbench.virtdata.api.processors.ProcessorClassNames.ThreadSa
  * manifests. It simply calls listener interfaces to do the rest of the work.
  */
 @SupportedOptions({"title"})
-@SupportedSourceVersion(SourceVersion.RELEASE_12)
+@SupportedSourceVersion(SourceVersion.RELEASE_14)
 @SupportedAnnotationTypes({
         ThreadSafeMapper,
         PerThreadMapper

virtdata-api/src/main/java/io/nosqlbench/virtdata/api/processors/FunctionManifestProcessor.java

@@ -26,7 +26,7 @@ import static io.nosqlbench.virtdata.api.processors.ProcessorClassNames.ThreadSa
  * enumerate candidate functions without requiring them to have a no-args constructor.
  */
 @SupportedOptions({"title"})
-@SupportedSourceVersion(SourceVersion.RELEASE_12)
+@SupportedSourceVersion(SourceVersion.RELEASE_14)
 @SupportedAnnotationTypes({
         ThreadSafeMapper,
         PerThreadMapper