Added FieldAccessor Support

Added FieldAccessorInterceptor
Added FieldAccessor annotation
Added test

redisson/src/main/java/org/redisson/RedissonLiveObjectService.java

@@ -49,6 +49,8 @@ import org.redisson.api.RExpirableAsync;
 import org.redisson.api.RMap;
 import org.redisson.api.RMapAsync;
 import org.redisson.api.RObjectAsync;
+import org.redisson.api.annotation.RFieldAccessor;
+import org.redisson.liveobject.core.FieldAccessorInterceptor;
 import org.redisson.liveobject.core.RExpirableInterceptor;
 import org.redisson.liveobject.core.RMapInterceptor;
 import org.redisson.liveobject.core.RObjectInterceptor;
@@ -328,6 +330,10 @@ public class RedissonLiveObjectService implements RLiveObjectService {
                                 .install(LiveObjectInterceptor.Getter.class,
                                         LiveObjectInterceptor.Setter.class)))
                 .implement(RLiveObject.class)
+                .method(ElementMatchers.isAnnotatedWith(RFieldAccessor.class)
+                        .and(ElementMatchers.named("get")
+                        .or(ElementMatchers.named("set"))))
+                .intercept(MethodDelegation.to(FieldAccessorInterceptor.class))
                 .method(ElementMatchers.isDeclaredBy(RObject.class)
                         .or(ElementMatchers.isDeclaredBy(RObjectAsync.class)))
                 .intercept(MethodDelegation.to(RObjectInterceptor.class))

redisson/src/main/java/org/redisson/api/annotation/RFieldAccessor.java

@@ -0,0 +1,29 @@
+/**
+ * Copyright 2016 Nikita Koksharov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.redisson.api.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ *
+ * @author Rui Gu (https://github.com/jackygurui)
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.METHOD})
+public @interface RFieldAccessor {}

redisson/src/main/java/org/redisson/liveobject/core/FieldAccessorInterceptor.java

@@ -0,0 +1,61 @@
+/**
+ * Copyright 2016 Nikita Koksharov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.redisson.liveobject.core;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import net.bytebuddy.implementation.bind.annotation.AllArguments;
+import net.bytebuddy.implementation.bind.annotation.FieldValue;
+import net.bytebuddy.implementation.bind.annotation.Origin;
+import net.bytebuddy.implementation.bind.annotation.RuntimeType;
+import net.bytebuddy.implementation.bind.annotation.This;
+import org.redisson.api.RMap;
+import org.redisson.liveobject.misc.ClassUtils;
+
+/**
+ *
+ * @author Rui Gu (https://github.com/jackygurui)
+ */
+public class FieldAccessorInterceptor {
+
+    @RuntimeType
+    public static Object intercept(
+            @Origin Method method,
+            @AllArguments Object[] args,
+            @This Object me,
+            @FieldValue("liveObjectLiveMap") RMap map
+    ) throws Exception {
+        if (args.length >= 1 && String.class.isAssignableFrom(args[0].getClass())) {
+            String name = ((String) args[0]).substring(0, 1).toUpperCase() + ((String) args[0]).substring(1);
+            if ("get".equals(method.getName()) && args.length == 1) {
+                try {
+                    return me.getClass().getMethod("get" + name).invoke(me);
+                } catch (NoSuchMethodException noSuchMethodException) {
+                    throw new NoSuchFieldException((String) args[0]);
+                }
+            } else if ("set".equals(method.getName()) && args.length == 2) {
+                Method m = ClassUtils.searchForMethod(me.getClass(), "set" + name, new Class[]{args[1].getClass()});
+                if (m != null) {
+                    return m.invoke(me, args[1]);
+                } else {
+                    throw new NoSuchFieldException((String) args[0]);
+                }
+            }
+        }
+        throw new NoSuchMethodException(method.getName() + " called with wrong signature");
+
+    }
+}

redisson/src/test/java/org/redisson/RedissonLiveObjectServiceTest.java

@@ -40,6 +40,7 @@ import org.redisson.api.RSet;
 import org.redisson.api.RSortedSet;
 import org.redisson.api.RedissonClient;
 import org.redisson.api.annotation.REntity;
+import org.redisson.api.annotation.RFieldAccessor;
 import org.redisson.api.annotation.RId;
 import org.redisson.liveobject.resolver.DefaultNamingScheme;
 import org.redisson.liveobject.resolver.DistributedAtomicLongIdGenerator;
@@ -391,6 +392,15 @@ public class RedissonLiveObjectServiceTest extends BaseTest {
         public void setContent(Object content) {
             this.content = content;
         }
+        
+        @RFieldAccessor
+        public <T> void set(String field, T value) {
+        }
+        
+        @RFieldAccessor
+        public <T> T get(String field) {
+            return null;
+        }
 
         @Override
         public boolean equals(Object obj) {
@@ -965,5 +975,26 @@ public class RedissonLiveObjectServiceTest extends BaseTest {
             assertEquals("Please use RLiveObjectService instance for this type of functions", e.getMessage());
         }
     }
+    
+    @Test
+    public void testFieldAccessor() {
+        RLiveObjectService service = redisson.getLiveObjectService();
+        TestClass myObject = service.create(TestClass.class);
+        myObject.setValue("123345");
+        assertEquals("123345", myObject.get("value"));
+        myObject.set("value", "9999");
+        assertEquals("9999", myObject.get("value"));
+        assertEquals("9999", myObject.getValue());
+        try {
+            myObject.get("555555");
+        } catch (Exception e) {
+            assertTrue(e instanceof NoSuchFieldException);
+        }
+        try {
+            myObject.set("555555", "999");
+        } catch (Exception e) {
+            assertTrue(e instanceof NoSuchFieldException);
+        }
+    }
 
 }