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Prevent class loading for lazy native modules

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Summary:
When native modules use `LazyReactPackage`, the modules themselves are not initialized. However, they still use the class names, causing the classes to load. This diff removes the need to perform any class loads. Any properties of the classes that are required are now populated in the `ReactModuleInfo` of that class.

Note that this diff itself does not prevent class loading since any references to `*.class` in `LazyReactpackage` needs to be removed in a consequent diff

Reviewed By: achen1

Differential Revision: D8950025

fbshipit-source-id: 80ddf7e1f33bf2af0db1bd262069795de77ec611
This commit is contained in:
Ram N
2018-07-27 23:30:39 -07:00
committed by Facebook Github Bot
parent d891ee1dee
commit c8e000b19a
9 changed files with 94 additions and 44 deletions
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ReactAndroid/src/main/java/com/facebook/react/bridge/JavaModuleWrapper.java
+5 -5
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@@ -49,14 +49,14 @@ public class JavaModuleWrapper {
private final JSInstance mJSInstance;
private final ModuleHolder mModuleHolder;
private final Class<? extends NativeModule> mModuleClass;
private final String mClassName;
private final ArrayList<NativeModule.NativeMethod> mMethods;
private final ArrayList<MethodDescriptor> mDescs;
public JavaModuleWrapper(JSInstance jsInstance, Class<? extends NativeModule> moduleClass, ModuleHolder moduleHolder) {
public JavaModuleWrapper(JSInstance jsInstance, String className, ModuleHolder moduleHolder) {
mJSInstance = jsInstance;
mModuleHolder = moduleHolder;
mModuleClass = moduleClass;
mClassName = className;
mMethods = new ArrayList<>();
mDescs = new ArrayList();
}
@@ -76,9 +76,9 @@ public class JavaModuleWrapper {
Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "findMethods");
Set<String> methodNames = new HashSet<>();
Class<? extends NativeModule> classForMethods = mModuleClass;
Class<? extends NativeModule> classForMethods = mModuleHolder.getModule().getClass();
Class<? extends NativeModule> superClass =
(Class<? extends NativeModule>) mModuleClass.getSuperclass();
(Class<? extends NativeModule>) classForMethods.getSuperclass();
if (ReactModuleWithSpec.class.isAssignableFrom(superClass)) {
// For java module that is based on generated flow-type spec, inspect the
// spec abstract class instead, which is the super class of the given java