Release the SerializableAutoValue extension.

RELNOTES=Release the SerializableAutoValue extension.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=304211473

value/annotations/pom.xml

@@ -53,6 +53,7 @@
           <includes>
             <include>com/google/auto/value/*</include>
             <include>com/google/auto/value/extension/memoized/*</include>
+            <include>com/google/auto/value/extension/serializable/*</include>
           </includes>
         </configuration>
       </plugin>

value/pom.xml

@@ -122,7 +122,7 @@
       <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
-        <version>4.12</version>
+        <version>4.13</version>
       </dependency>
       <dependency>
         <groupId>org.apache.velocity</groupId>

value/processor/pom.xml

@@ -119,6 +119,12 @@
       <artifactId>compile-testing</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+       <groupId>org.mockito</groupId>
+       <artifactId>mockito-core</artifactId>
+       <version>3.1.0</version>
+       <scope>test</scope>
+     </dependency>
   </dependencies>
 
   <build>
@@ -141,6 +147,8 @@
           <includes>
             <include>com/google/auto/value/processor/**/*.java</include>
             <include>com/google/auto/value/extension/memoized/processor/**/*.java</include>
+            <include>com/google/auto/value/extension/serializable/processor/**/*.java</include>
+            <include>com/google/auto/value/extension/serializable/serializer/**/*.java</include>
           </includes>
         </configuration>
       </plugin>

value/src/main/java/com/google/auto/value/extension/serializable/SerializableAutoValue.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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 com.google.auto.value.extension.serializable;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotates {@link com.google.auto.value.AutoValue @AutoValue} classes that implement {@link
+ * java.io.Serializable}. A serializable subclass is generated for classes with normally
+ * un-serializable fields like {@link java.util.Optional}.
+ */
+@Retention(RetentionPolicy.SOURCE)
+@Target(ElementType.TYPE)
+public @interface SerializableAutoValue {}

value/src/main/java/com/google/auto/value/extension/serializable/processor/ClassNames.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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 com.google.auto.value.extension.serializable.processor;
+
+/** Names of classes that are referenced in /processor. */
+final class ClassNames {
+  static final String SERIALIZABLE_AUTO_VALUE_NAME =
+      "com.google.auto.value.extension.serializable.SerializableAutoValue";
+
+  private ClassNames() {}
+}

value/src/main/java/com/google/auto/value/extension/serializable/processor/PropertyMirror.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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 com.google.auto.value.extension.serializable.processor;
+
+import javax.lang.model.type.TypeMirror;
+
+/**
+ * A POJO containing information about an AutoValue's property.
+ *
+ * <p>For example, given this AutoValue property: <code>abstract T getX();</code>
+ *
+ * <ol>
+ *   <li>The type would be T.
+ *   <li>The name would be x.
+ *   <li>The method would be getX.
+ */
+final class PropertyMirror {
+
+  private final TypeMirror type;
+  private final String name;
+  private final String method;
+
+  PropertyMirror(TypeMirror type, String name, String method) {
+    this.type = type;
+    this.name = name;
+    this.method = method;
+  }
+
+  /** Gets the AutoValue property's type. */
+  TypeMirror getType() {
+    return type;
+  }
+
+  /** Gets the AutoValue property's name. */
+  String getName() {
+    return name;
+  }
+
+  /** Gets the AutoValue property accessor method. */
+  String getMethod() {
+    return method;
+  }
+}