Merge pull request #1767 from xhh/java-simple-profiling

[Java] Add simple profiling for Java Petstore sample

samples/client/petstore/java/default/petstore_profiling.output

@@ -0,0 +1,23 @@
+# To run the profiling:
+#   mvn compile test-compile exec:java -Dexec.classpathScope=test -Dexec.mainClass="io.swagger.PetstoreProfiling"
+
+0: ADD PET => 0.987609128
+0: GET PET => 0.450873167
+0: UPDATE PET => 0.447611998
+0: DELETE PET => 0.397707664
+1: ADD PET => 0.395333121
+1: GET PET => 0.381760136
+1: UPDATE PET => 0.395245221
+1: DELETE PET => 0.384854324
+2: ADD PET => 0.400336227
+2: GET PET => 0.378959921
+2: UPDATE PET => 0.397619284
+2: DELETE PET => 0.383307393
+3: ADD PET => 0.385764805
+3: GET PET => 0.40218304
+3: UPDATE PET => 0.387887511
+3: DELETE PET => 0.398063489
+4: ADD PET => 0.384757488
+4: GET PET => 0.398719713
+4: UPDATE PET => 0.383319052
+4: DELETE PET => 0.408516644

samples/client/petstore/java/default/src/test/java/io/swagger/PetstoreProfiling.java

@@ -0,0 +1,106 @@
+package io.swagger;
+
+import java.io.*;
+import java.util.*;
+
+import io.swagger.client.*;
+import io.swagger.client.api.*;
+import io.swagger.client.model.*;
+
+public class PetstoreProfiling {
+    public int total = 5;
+    public Long newPetId = 50003L;
+    public String outputFile = "./petstore_profiling.output";
+
+    public void callApis(int index, List<Map<String, String>> results) {
+        long start;
+
+        try {
+            PetApi petApi = new PetApi();
+
+            /* ADD PET */
+            Pet pet = new Pet();
+            pet.setId(newPetId);
+            pet.setName("profiler");
+            pet.setStatus(Pet.StatusEnum.AVAILABLE);
+            pet.setPhotoUrls(Arrays.asList("http://profiler.com"));
+            // new tag
+            Tag tag = new Tag();
+            tag.setId(newPetId); // use the same id as pet
+            tag.setName("profile tag 1");
+            // new category
+            Category category = new Category();
+            category.setId(newPetId); // use the same id as pet
+            category.setName("profile category 1");
+
+            pet.setTags(Arrays.asList(tag));
+            pet.setCategory(category);
+
+            /* ADD PET */
+            start = System.nanoTime();
+            petApi.addPet(pet);
+            results.add(buildResult(index, "ADD PET", System.nanoTime() - start));
+
+            /* GET PET */
+            start = System.nanoTime();
+            pet = petApi.getPetById(newPetId);
+            results.add(buildResult(index, "GET PET", System.nanoTime() - start));
+
+            /* UPDATE PET WITH FORM */
+            start = System.nanoTime();
+            petApi.updatePetWithForm(String.valueOf(newPetId), "new profiler", "sold");
+            results.add(buildResult(index, "UPDATE PET", System.nanoTime() - start));
+
+            /* DELETE PET */
+            start = System.nanoTime();
+            petApi.deletePet(newPetId, "special-key");
+            results.add(buildResult(index, "DELETE PET", System.nanoTime() - start));
+        } catch (ApiException e) {
+            System.out.println("Caught error: " + e.getMessage());
+            System.out.println("HTTP response headers: " + e.getResponseHeaders());
+            System.out.println("HTTP response body: " + e.getResponseBody());
+            System.out.println("HTTP status code: " + e.getCode());
+        }
+    }
+
+    public void run() {
+        System.out.printf("Running profiling... (total: %s)\n", total);
+
+        List<Map<String, String>> results = new ArrayList<Map<String, String>>();
+        for (int i = 0; i < total; i++) {
+            callApis(i, results);
+        }
+        writeResultsToFile(results);
+
+        System.out.printf("Profiling results written to %s\n", outputFile);
+    }
+
+    private Map<String, String> buildResult(int index, String name, long time) {
+        Map<String, String> result = new HashMap<String, String>();
+        result.put("index", String.valueOf(index));
+        result.put("name", name);
+        result.put("time", String.valueOf(time / 1000000000.0));
+        return result;
+    }
+
+    private void writeResultsToFile(List<Map<String, String>> results) {
+        try {
+            File file = new File(outputFile);
+            PrintWriter writer = new PrintWriter(file);
+            String command = "mvn compile test-compile exec:java -Dexec.classpathScope=test -Dexec.mainClass=\"io.swagger.PetstoreProfiling\"";
+            writer.println("# To run the profiling:");
+            writer.printf("#   %s\n\n", command);
+            for (Map<String, String> result : results) {
+                writer.printf("%s: %s => %s\n", result.get("index"), result.get("name"), result.get("time"));
+            }
+            writer.close();
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void main(String[] args) {
+        final PetstoreProfiling profiling = new PetstoreProfiling();
+        profiling.run();
+    }
+}