perf(demo): initialize Faker as singleton

Close #107
FlowingCode · Apr 4, 2024 · f277206 · f277206
1 parent c285e90
commit f277206
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Showing 8 changed files with 28 additions and 8 deletions.
diff --git a/src/test/java/com/flowingcode/vaadin/addons/gridexporter/FakerInstance.java b/src/test/java/com/flowingcode/vaadin/addons/gridexporter/FakerInstance.java
@@ -0,0 +1,13 @@
+package com.flowingcode.vaadin.addons.gridexporter;
+
+import com.github.javafaker.Faker;
+
+public class FakerInstance {
+
+  private static final Faker faker = new Faker();
+
+  public static Faker get() {
+    return faker;
+  }
+
+}
diff --git a/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterBigDatasetDemo.java b/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterBigDatasetDemo.java
@@ -41,6 +41,8 @@
 @SuppressWarnings("serial")
 public class GridExporterBigDatasetDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   public GridExporterBigDatasetDemo() throws EncryptedDocumentException, IOException {
     Grid<Person> grid = new Grid<>(Person.class);
     grid.removeAllColumns();
@@ -55,7 +57,6 @@ public GridExporterBigDatasetDemo() throws EncryptedDocumentException, IOExcepti
             .asLongStream()
             .mapToObj(
                 number -> {
-                  Faker faker = new Faker();
                   Double budget = faker.number().randomDouble(2, 10000, 100000);
                   total[0] = total[0].add(BigDecimal.valueOf(budget));
                   budgetCol.setFooter("$" + total[0]);

diff --git a/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterCustomColumnsDemo.java b/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterCustomColumnsDemo.java
@@ -43,6 +43,8 @@
 @SuppressWarnings("serial")
 public class GridExporterCustomColumnsDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   public GridExporterCustomColumnsDemo() throws EncryptedDocumentException, IOException {
     Grid<Person> grid = new Grid<>(Person.class);
     grid.removeAllColumns();
@@ -58,7 +60,6 @@ public GridExporterCustomColumnsDemo() throws EncryptedDocumentException, IOExce
             .asLongStream()
             .mapToObj(
                 number -> {
-                  Faker faker = new Faker();
                   Double budget = faker.number().randomDouble(2, 10000, 100000);
                   total[0] = total[0].add(BigDecimal.valueOf(budget));
                   budgetColumn.setFooter("$" + total[0]);

diff --git a/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterCustomLinkDemo.java b/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterCustomLinkDemo.java
@@ -42,6 +42,8 @@
 @SuppressWarnings("serial")
 public class GridExporterCustomLinkDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   public GridExporterCustomLinkDemo() throws EncryptedDocumentException, IOException {
     Grid<Person> grid = new Grid<>(Person.class);
     grid.removeAllColumns();
@@ -55,7 +57,6 @@ public GridExporterCustomLinkDemo() throws EncryptedDocumentException, IOExcepti
             .asLongStream()
             .mapToObj(
                 number -> {
-                  Faker faker = new Faker();
                   Double budget = faker.number().randomDouble(2, 10000, 100000);
                   total[0] = total[0].add(BigDecimal.valueOf(budget));
                   c.setFooter("$" + total[0]);

diff --git a/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterCustomTemplateDemo.java b/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterCustomTemplateDemo.java
@@ -45,6 +45,8 @@
 @SuppressWarnings("serial")
 public class GridExporterCustomTemplateDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   public GridExporterCustomTemplateDemo() throws EncryptedDocumentException, IOException {
     Grid<Person> grid = new Grid<>(Person.class);
     DecimalFormat decimalFormat = new DecimalFormat("$#,###.##");
@@ -53,7 +55,7 @@ public GridExporterCustomTemplateDemo() throws EncryptedDocumentException, IOExc
             LitRenderer.<Person>of("<b>${item.name}</b>").withProperty("name", Person::getName))
         .setHeader("Name");
     grid.addColumn("lastName").setHeader("Last Name");
-    grid.addColumn(item -> Faker.instance().lorem().characters(30, 50)).setHeader("Big column");
+    grid.addColumn(item -> faker.lorem().characters(30, 50)).setHeader("Big column");
     Column<Person> budgetColumn =
         grid.addColumn(item -> decimalFormat.format(item.getBudget()))
             .setHeader("Budget")
@@ -65,7 +67,6 @@ public GridExporterCustomTemplateDemo() throws EncryptedDocumentException, IOExc
             .asLongStream()
             .mapToObj(
                 number -> {
-                  Faker faker = new Faker();
                   Double budget = faker.number().randomDouble(2, 10000, 100000);
                   total[0] = total[0].add(BigDecimal.valueOf(budget));
                   budgetColumn.setFooter(new DecimalFormat("$#,###.##").format(total[0]));

diff --git a/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterDemo.java b/src/test/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterDemo.java
@@ -49,6 +49,8 @@
 @SuppressWarnings("serial")
 public class GridExporterDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   public GridExporterDemo() throws EncryptedDocumentException, IOException {
     Grid<Person> grid = new Grid<>(Person.class);
     grid.removeAllColumns();
@@ -63,7 +65,6 @@ public GridExporterDemo() throws EncryptedDocumentException, IOException {
             .asLongStream()
             .mapToObj(
                 number -> {
-                  Faker faker = new Faker();
                   Double budget = faker.number().randomDouble(2, 10000, 100000);
                   total[0] = total[0].add(BigDecimal.valueOf(budget));
                   budgetCol.setFooter("$" + total[0]);

diff --git a/...est/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterHierarchicalDataDemo.java b/...est/java/com/flowingcode/vaadin/addons/gridexporter/GridExporterHierarchicalDataDemo.java
@@ -44,6 +44,8 @@
 @SuppressWarnings("serial")
 public class GridExporterHierarchicalDataDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   private Map<Integer, PersonTreeEntry> ageToTreeEntryMap = new HashMap<>();
   private List<PersonTreeEntry> people;
 
@@ -74,7 +76,6 @@ public GridExporterHierarchicalDataDemo() throws EncryptedDocumentException, IOE
             .asLongStream()
             .mapToObj(
                 number -> {
-                  Faker faker = new Faker();
                   Double budget = faker.number().randomDouble(2, 10000, 100000);
                   total[0] = total[0].add(BigDecimal.valueOf(budget));
                   budgetCol.setFooter("$" + total[0]);

diff --git a/...java/com/flowingcode/vaadin/addons/gridexporter/GridExporterSimpleCustomTemplateDemo.java b/...java/com/flowingcode/vaadin/addons/gridexporter/GridExporterSimpleCustomTemplateDemo.java
@@ -53,8 +53,9 @@
 @SuppressWarnings("serial")
 public class GridExporterSimpleCustomTemplateDemo extends Div {
 
+  private static final Faker faker = FakerInstance.get();
+
   public GridExporterSimpleCustomTemplateDemo() throws EncryptedDocumentException, IOException {
-    Faker faker = new Faker();
     DecimalFormat decimalFormat = new DecimalFormat("$#,###.##");
     Grid<Person> grid = new Grid<>(Person.class);
     grid.removeAllColumns();