From b8071b528df6bfc06e0ca3b917d86270179bdcf3 Mon Sep 17 00:00:00 2001
From: Andrei Solntsev <andrei.solntsev@gmail.com>
Date: Sun, 21 Jul 2024 17:04:28 +0300
Subject: [PATCH] #1306 add readable toString() methods to some objects

... to make it easier to read these values in logs
---
 .../java/net/datafaker/providers/base/AbstractProvider.java | 5 +++++
 src/main/java/net/datafaker/providers/base/BaseFaker.java   | 5 +++++
 src/main/java/net/datafaker/service/FakeValuesService.java  | 6 ++++++
 src/main/java/net/datafaker/service/RandomService.java      | 5 +++++
 4 files changed, 21 insertions(+)

diff --git a/src/main/java/net/datafaker/providers/base/AbstractProvider.java b/src/main/java/net/datafaker/providers/base/AbstractProvider.java
index 5663180b8..0a01ec821 100644
--- a/src/main/java/net/datafaker/providers/base/AbstractProvider.java
+++ b/src/main/java/net/datafaker/providers/base/AbstractProvider.java
@@ -42,4 +42,9 @@ protected <G> List<G> loadGenerators(Class<G> generatorClass) {
             .map(ServiceLoader.Provider::get)
             .toList();
     }
+
+    @Override
+    public String toString() {
+        return "%s(%s)@%s".formatted(getClass().getSimpleName(), faker, Integer.toHexString(hashCode()));
+    }
 }
diff --git a/src/main/java/net/datafaker/providers/base/BaseFaker.java b/src/main/java/net/datafaker/providers/base/BaseFaker.java
index fc1b965b1..7236496b2 100644
--- a/src/main/java/net/datafaker/providers/base/BaseFaker.java
+++ b/src/main/java/net/datafaker/providers/base/BaseFaker.java
@@ -400,4 +400,9 @@ public final <B extends ProviderRegistration> B getFaker() {
     public static Method getMethod(AbstractProvider<?> ap, String methodName) {
         return ap == null ? null : ObjectMethods.getMethodByName(ap, methodName);
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "@" + Integer.toHexString(hashCode());
+    }
 }
diff --git a/src/main/java/net/datafaker/service/FakeValuesService.java b/src/main/java/net/datafaker/service/FakeValuesService.java
index 8bec26b69..375359147 100644
--- a/src/main/java/net/datafaker/service/FakeValuesService.java
+++ b/src/main/java/net/datafaker/service/FakeValuesService.java
@@ -1197,6 +1197,12 @@ private record MethodAndCoercedArgs(Method method, Object[] coerced) {
         private Object invoke(Object on) throws InvocationTargetException, IllegalAccessException {
             return method.invoke(on, coerced);
         }
+
+        @Override
+        public String toString() {
+            return "%s[method=%s.%s(), coerced=%s]".formatted(getClass().getSimpleName(),
+                method.getDeclaringClass().getSimpleName(), method.getName(), Arrays.toString(coerced));
+        }
     }
 
     private record RegExpContext(String exp, ProviderRegistration root, FakerContext context) {
diff --git a/src/main/java/net/datafaker/service/RandomService.java b/src/main/java/net/datafaker/service/RandomService.java
index f2f7584a2..0dc6af1f8 100644
--- a/src/main/java/net/datafaker/service/RandomService.java
+++ b/src/main/java/net/datafaker/service/RandomService.java
@@ -120,4 +120,9 @@ public int hashCode() {
         if (random == SHARED_RANDOM) return 1;
         return random != null ? random.hashCode() : 0;
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "@" + random;
+    }
 }