fix tests and examples

Author: zhongkechen

examples/src/main/java/com/amazonaws/lambda/durable/examples/CustomConfigExample.java

@@ -123,15 +123,6 @@ public String serialize(Object obj) {
             }
         }
 
-        @Override
-        public <T> T deserialize(String json, Class<T> clazz) {
-            try {
-                return objectMapper.readValue(json, clazz);
-            } catch (IOException e) {
-                throw new RuntimeException("Deserialization failed", e);
-            }
-        }
-
         @Override
         public <T> T deserialize(String json, TypeToken<T> typeToken) {
             try {

sdk-integration-tests/src/test/java/com/amazonaws/lambda/durable/CustomConfigIntegrationTest.java

@@ -34,12 +34,6 @@ public String serialize(Object value) {
             return delegate.serialize(value);
         }
 
-        @Override
-        public <T> T deserialize(String data, Class<T> type) {
-            deserializeCount.incrementAndGet();
-            return delegate.deserialize(data, type);
-        }
-
         @Override
         public <T> T deserialize(String data, TypeToken<T> typeToken) {
             deserializeCount.incrementAndGet();

sdk-integration-tests/src/test/java/com/amazonaws/lambda/durable/CustomSerDesIntegrationTest.java

@@ -26,12 +26,6 @@ public String serialize(Object value) {
             return delegate.serialize(value);
         }
 
-        @Override
-        public <T> T deserialize(String data, Class<T> type) {
-            deserializeCount.incrementAndGet();
-            return delegate.deserialize(data, type);
-        }
-
         @Override
         public <T> T deserialize(String data, TypeToken<T> typeToken) {
             deserializeCount.incrementAndGet();

sdk-testing/src/main/java/com/amazonaws/lambda/durable/testing/TestOperation.java

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 package com.amazonaws.lambda.durable.testing;
 
+import com.amazonaws.lambda.durable.TypeToken;
 import com.amazonaws.lambda.durable.serde.SerDes;
 import java.util.List;
 import software.amazon.awssdk.services.lambda.model.ErrorObject;
@@ -58,7 +59,7 @@ public <T> T getStepResult(Class<T> type) {
         if (details == null || details.result() == null) {
             return null;
         }
-        return serDes.deserialize(details.result(), type);
+        return serDes.deserialize(details.result(), TypeToken.get(type));
     }
 
     public ErrorObject getError() {

sdk-testing/src/main/java/com/amazonaws/lambda/durable/testing/TestResult.java

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 package com.amazonaws.lambda.durable.testing;
 
+import com.amazonaws.lambda.durable.TypeToken;
 import com.amazonaws.lambda.durable.model.ExecutionStatus;
 import com.amazonaws.lambda.durable.serde.SerDes;
 import java.util.List;
@@ -49,7 +50,7 @@ public <T> T getResult(Class<T> resultType) {
         if (resultPayload == null) {
             return null;
         }
-        return serDes.deserialize(resultPayload, resultType);
+        return serDes.deserialize(resultPayload, TypeToken.get(resultType));
     }
 
     public Optional<ErrorObject> getError() {