Add examples for High Resolution Metrics and minor test file changes

Author: Meshwa Savalia

examples/ecs-firelens/src/main/java/App.java

@@ -23,6 +23,7 @@
 import software.amazon.cloudwatchlogs.emf.environment.EnvironmentProvider;
 import software.amazon.cloudwatchlogs.emf.exception.InvalidMetricException;
 import software.amazon.cloudwatchlogs.emf.logger.MetricsLogger;
+import software.amazon.cloudwatchlogs.emf.model.StorageResolution;
 import software.amazon.cloudwatchlogs.emf.model.Unit;
 import sun.misc.Signal;
 import java.io.IOException;
@@ -39,6 +40,7 @@ public static void main(String[] args) throws Exception {
         MetricsLogger logger = new MetricsLogger();
         logger.setNamespace("FargateEMF");
         logger.putMetric("Latency", 63, Unit.MILLISECONDS);
+        logger.putMetric("LatencyInHighResolution", 65, Unit.MILLISECONDS, StorageResolution.HIGH);
         logger.flush();
         HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0);
         int portNumber = 8000;
@@ -75,6 +77,7 @@ public void handle(HttpExchange he) throws IOException {
             logger.putProperty("Url", he.getRequestURI());
             try {
                 logger.putMetric("ProcessingTime", System.currentTimeMillis() - time, Unit.MILLISECONDS);
+                logger.putMetric("ProcessingTimeInHighResolution", System.currentTimeMillis() - time, Unit.MILLISECONDS, StorageResolution.HIGH);
             } catch (InvalidMetricException e) {
                 System.out.println(e);
             }

examples/lambda/src/main/java/Handler.java

@@ -5,6 +5,7 @@
 import software.amazon.cloudwatchlogs.emf.exception.InvalidMetricException;
 import software.amazon.cloudwatchlogs.emf.logger.MetricsLogger;
 import software.amazon.cloudwatchlogs.emf.model.DimensionSet;
+import software.amazon.cloudwatchlogs.emf.model.StorageResolution;
 import software.amazon.cloudwatchlogs.emf.model.Unit;
 
 import java.util.HashMap;
@@ -20,6 +21,7 @@ public String handleRequest(Map<String, String> event, Context context) {
         try {
             logger.putDimensions(DimensionSet.of("Service", "Aggregator"));
             logger.putMetric("ProcessingLatency", 100, Unit.MILLISECONDS);
+            logger.putMetric("ProcessingLatencyInHighResolution", 101, Unit.MILLISECONDS, StorageResolution.HIGH);
         } catch (InvalidDimensionException | InvalidMetricException | DimensionSetExceededException e) {
             System.out.println(e);
         }

src/integration-test/java/software/amazon/cloudwatchlogs/emf/MetricsLoggerIntegrationTest.java

@@ -38,6 +38,7 @@
 import software.amazon.cloudwatchlogs.emf.exception.InvalidMetricException;
 import software.amazon.cloudwatchlogs.emf.logger.MetricsLogger;
 import software.amazon.cloudwatchlogs.emf.model.DimensionSet;
+import software.amazon.cloudwatchlogs.emf.model.StorageResolution;
 import software.amazon.cloudwatchlogs.emf.model.Unit;
 
 public class MetricsLoggerIntegrationTest {
@@ -122,7 +123,7 @@ public void testMultipleFlushOverUDP() throws InterruptedException, InvalidMetri
     private void logMetric(Environment env, String metricName) throws InvalidMetricException {
         MetricsLogger logger = new MetricsLogger(env);
         logger.putDimensions(dimensions);
-        logger.putMetric(metricName, 100, Unit.MILLISECONDS);
+        logger.putMetric(metricName, 100, Unit.MILLISECONDS, StorageResolution.HIGH);
         logger.flush();
     }