[Java] Remove RayRuntimeInternal class

java/runtime/src/main/java/io/ray/runtime/AbstractRayRuntime.java

@@ -21,6 +21,7 @@
 import io.ray.api.options.PlacementGroupCreationOptions;
 import io.ray.api.parallelactor.ParallelActorContext;
 import io.ray.api.placementgroup.PlacementGroup;
+import io.ray.api.runtime.RayRuntime;
 import io.ray.api.runtimecontext.RuntimeContext;
 import io.ray.api.runtimeenv.RuntimeEnv;
 import io.ray.runtime.config.RayConfig;
@@ -31,6 +32,7 @@
 import io.ray.runtime.functionmanager.FunctionManager;
 import io.ray.runtime.functionmanager.PyFunctionDescriptor;
 import io.ray.runtime.functionmanager.RayFunction;
+import io.ray.runtime.gcs.GcsClient;
 import io.ray.runtime.generated.Common.Language;
 import io.ray.runtime.object.ObjectRefImpl;
 import io.ray.runtime.object.ObjectStore;
@@ -50,7 +52,7 @@
 import org.slf4j.LoggerFactory;
 
 /** Core functionality to implement Ray APIs. */
-public abstract class AbstractRayRuntime implements RayRuntimeInternal {
+public abstract class AbstractRayRuntime implements RayRuntime {
 
  private static final Logger LOGGER = LoggerFactory.getLogger(AbstractRayRuntime.class);
  public static final String PYTHON_INIT_METHOD_NAME = "__init__";
@@ -82,6 +84,12 @@ public <T> ObjectRef<T> put(T obj) {
  /*skipAddingLocalRef=*/ true);
  }
 
+ public abstract GcsClient getGcsClient();
+
+ public abstract void start();
+
+ public abstract void run();
+
  @Override
  public <T> ObjectRef<T> put(T obj, BaseActorHandle ownerActor) {
  if (LOGGER.isDebugEnabled()) {
@@ -355,27 +363,22 @@ private BaseActorHandle createActorImpl(
 
  abstract List<ObjectId> getCurrentReturnIds(int numReturns, ActorId actorId);
 
- @Override
  public WorkerContext getWorkerContext() {
  return workerContext;
  }
 
- @Override
  public ObjectStore getObjectStore() {
  return objectStore;
  }
 
- @Override
  public TaskExecutor getTaskExecutor() {
  return taskExecutor;
  }
 
- @Override
  public FunctionManager getFunctionManager() {
  return functionManager;
  }
 
- @Override
  public RayConfig getRayConfig() {
  return rayConfig;
  }

java/runtime/src/main/java/io/ray/runtime/ConcurrencyGroupImpl.java

@@ -24,7 +24,7 @@ public ConcurrencyGroupImpl(String name, int maxConcurrency, List<RayFunc> funcs
  funcs.forEach(
  func -> {
  RayFunction rayFunc =
- ((RayRuntimeInternal) Ray.internal()).getFunctionManager().getFunction(func);
+ ((AbstractRayRuntime) Ray.internal()).getFunctionManager().getFunction(func);
  functionDescriptors.add(rayFunc.getFunctionDescriptor());
  });
  }

java/runtime/src/main/java/io/ray/runtime/DefaultRayRuntimeFactory.java

@@ -28,11 +28,10 @@ public RayRuntime createRayRuntime() {
 
  try {
  logger.debug("Initializing runtime with config: {}", rayConfig);
- AbstractRayRuntime innerRuntime =
+ AbstractRayRuntime runtime =
  rayConfig.runMode == RunMode.LOCAL
  ? new RayDevRuntime(rayConfig)
  : new RayNativeRuntime(rayConfig);
- RayRuntimeInternal runtime = innerRuntime;
  runtime.start();
  return runtime;
  } catch (Exception e) {

java/runtime/src/main/java/io/ray/runtime/RayNativeRuntime.java

@@ -288,8 +288,6 @@ private static native void nativeInitialize(
 
  private static native byte[] nativeGetActorIdOfNamedActor(String actorName, String namespace);
 
- private static native void nativeSetCoreWorker(byte[] workerId);
-
  private static native Map<String, List<ResourceValue>> nativeGetResourceIds();
 
  private static native String nativeGetNamespace();

java/runtime/src/main/java/io/ray/runtime/actor/NativeActorHandle.java

@@ -8,7 +8,7 @@
 import io.ray.api.Ray;
 import io.ray.api.id.ActorId;
 import io.ray.api.id.ObjectId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import io.ray.runtime.generated.Common.Language;
 import java.io.Externalizable;
 import java.io.IOException;
@@ -122,7 +122,7 @@ private static final class NativeActorHandleReference
  public NativeActorHandleReference(NativeActorHandle handle) {
  super(handle, REFERENCE_QUEUE);
  this.actorId = handle.actorId;
- RayRuntimeInternal runtime = (RayRuntimeInternal) Ray.internal();
+ AbstractRayRuntime runtime = (AbstractRayRuntime) Ray.internal();
  this.workerId = runtime.getWorkerContext().getCurrentWorkerId().getBytes();
  this.removed = new AtomicBoolean(false);
  REFERENCES.add(this);

java/runtime/src/main/java/io/ray/runtime/context/RuntimeContextImpl.java

@@ -8,7 +8,7 @@
 import io.ray.api.runtimecontext.NodeInfo;
 import io.ray.api.runtimecontext.ResourceValue;
 import io.ray.api.runtimecontext.RuntimeContext;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import io.ray.runtime.config.RunMode;
 import io.ray.runtime.util.ResourceUtil;
 import java.util.ArrayList;
@@ -21,9 +21,9 @@
 
 public class RuntimeContextImpl implements RuntimeContext {
 
- private RayRuntimeInternal runtime;
+ private AbstractRayRuntime runtime;
 
- public RuntimeContextImpl(RayRuntimeInternal runtime) {
+ public RuntimeContextImpl(AbstractRayRuntime runtime) {
  this.runtime = runtime;
  }
 

java/runtime/src/main/java/io/ray/runtime/object/NativeObjectStore.java

@@ -6,7 +6,7 @@
 import io.ray.api.id.BaseId;
 import io.ray.api.id.ObjectId;
 import io.ray.api.id.UniqueId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import io.ray.runtime.context.WorkerContext;
 import io.ray.runtime.generated.Common.Address;
 import java.util.HashMap;
@@ -40,7 +40,7 @@ public ObjectId putRaw(NativeRayObject obj) {
  @Override
  public ObjectId putRaw(NativeRayObject obj, ActorId ownerActorId) {
  byte[] serializedOwnerAddressBytes =
- ((RayRuntimeInternal) Ray.internal()).getGcsClient().getActorAddress(ownerActorId);
+ ((AbstractRayRuntime) Ray.internal()).getGcsClient().getActorAddress(ownerActorId);
  return new ObjectId(nativePut(obj, serializedOwnerAddressBytes));
  }
 

java/runtime/src/main/java/io/ray/runtime/object/ObjectRefImpl.java

@@ -8,7 +8,7 @@
 import io.ray.api.Ray;
 import io.ray.api.id.ObjectId;
 import io.ray.api.id.UniqueId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import java.io.Externalizable;
 import java.io.IOException;
 import java.io.ObjectInput;
@@ -60,7 +60,7 @@ public ObjectRefImpl(ObjectId id, Class<T> type) {
  public void init(ObjectId id, Class<?> type, boolean skipAddingLocalRef) {
  this.id = id;
  this.type = (Class<T>) type;
- RayRuntimeInternal runtime = (RayRuntimeInternal) Ray.internal();
+ AbstractRayRuntime runtime = (AbstractRayRuntime) Ray.internal();
  Preconditions.checkState(workerId == null);
  workerId = runtime.getWorkerContext().getCurrentWorkerId();
 
@@ -106,7 +106,7 @@ public String toString() {
  public void writeExternal(ObjectOutput out) throws IOException {
  out.writeObject(this.getId());
  out.writeObject(this.getType());
- RayRuntimeInternal runtime = (RayRuntimeInternal) Ray.internal();
+ AbstractRayRuntime runtime = (AbstractRayRuntime) Ray.internal();
  byte[] ownerAddress = runtime.getObjectStore().getOwnershipInfo(this.getId());
  out.writeInt(ownerAddress.length);
  out.write(ownerAddress);
@@ -121,7 +121,7 @@ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundExcept
  byte[] ownerAddress = new byte[len];
  in.readFully(ownerAddress);
 
- RayRuntimeInternal runtime = (RayRuntimeInternal) Ray.internal();
+ AbstractRayRuntime runtime = (AbstractRayRuntime) Ray.internal();
  Preconditions.checkState(workerId == null);
  workerId = runtime.getWorkerContext().getCurrentWorkerId();
  runtime.getObjectStore().addLocalReference(workerId, id);
@@ -156,7 +156,7 @@ public void finalizeReferent() {
  REFERENCES.remove(this);
  // It's possible that GC is executed after the runtime is shutdown.
  if (Ray.isInitialized()) {
- ((RayRuntimeInternal) (Ray.internal()))
+ ((AbstractRayRuntime) (Ray.internal()))
  .getObjectStore()
  .removeLocalReference(workerId, objectId);
  allObjects.remove(objectId);

java/runtime/src/main/java/io/ray/runtime/runner/worker/DefaultWorker.java

@@ -1,7 +1,7 @@
 package io.ray.runtime.runner.worker;
 
 import io.ray.api.Ray;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 
 /** Default implementation of the worker process. */
 public class DefaultWorker {
@@ -12,6 +12,6 @@ public static void main(String[] args) {
  System.setProperty("ray.run-mode", "CLUSTER");
  System.setProperty("ray.worker.mode", "WORKER");
  Ray.init();
- ((RayRuntimeInternal) Ray.internal()).run();
+ ((AbstractRayRuntime) Ray.internal()).run();
  }
 }

java/runtime/src/main/java/io/ray/runtime/task/ArgumentsBuilder.java

@@ -5,7 +5,7 @@
 import io.ray.api.ObjectRef;
 import io.ray.api.Ray;
 import io.ray.api.id.ObjectId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import io.ray.runtime.generated.Common.Address;
 import io.ray.runtime.generated.Common.Language;
 import io.ray.runtime.object.NativeRayObject;
@@ -41,7 +41,7 @@ public static List<FunctionArg> wrap(Object[] args, Language language) {
  if (arg instanceof ObjectRef) {
  Preconditions.checkState(arg instanceof ObjectRefImpl);
  id = ((ObjectRefImpl<?>) arg).getId();
- address = ((RayRuntimeInternal) Ray.internal()).getObjectStore().getOwnerAddress(id);
+ address = ((AbstractRayRuntime) Ray.internal()).getObjectStore().getOwnerAddress(id);
  } else {
  value = ObjectSerializer.serialize(arg);
  if (language != Language.JAVA) {
@@ -60,8 +60,8 @@ public static List<FunctionArg> wrap(Object[] args, Language language) {
  }
  }
  if (value.data.length > LARGEST_SIZE_PASS_BY_VALUE) {
- id = ((RayRuntimeInternal) Ray.internal()).getObjectStore().putRaw(value);
- address = ((RayRuntimeInternal) Ray.internal()).getWorkerContext().getRpcAddress();
+ id = ((AbstractRayRuntime) Ray.internal()).getObjectStore().putRaw(value);
+ address = ((AbstractRayRuntime) Ray.internal()).getWorkerContext().getRpcAddress();
  value = null;
  }
  }

java/runtime/src/main/java/io/ray/runtime/task/LocalModeTaskExecutor.java

@@ -1,7 +1,7 @@
 package io.ray.runtime.task;
 
 import io.ray.api.id.UniqueId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 
 /** Task executor for local mode. */
 public class LocalModeTaskExecutor extends TaskExecutor<LocalModeTaskExecutor.LocalActorContext> {
@@ -20,7 +20,7 @@ public UniqueId getWorkerId() {
  }
  }
 
- public LocalModeTaskExecutor(RayRuntimeInternal runtime) {
+ public LocalModeTaskExecutor(AbstractRayRuntime runtime) {
  super(runtime);
  }
 

java/runtime/src/main/java/io/ray/runtime/task/LocalModeTaskSubmitter.java

@@ -14,8 +14,8 @@
 import io.ray.api.options.CallOptions;
 import io.ray.api.options.PlacementGroupCreationOptions;
 import io.ray.api.placementgroup.PlacementGroup;
+import io.ray.runtime.AbstractRayRuntime;
 import io.ray.runtime.ConcurrencyGroupImpl;
-import io.ray.runtime.RayRuntimeInternal;
 import io.ray.runtime.actor.LocalModeActorHandle;
 import io.ray.runtime.context.LocalModeWorkerContext;
 import io.ray.runtime.functionmanager.FunctionDescriptor;
@@ -59,7 +59,7 @@ public class LocalModeTaskSubmitter implements TaskSubmitter {
 
  private final Map<ObjectId, Set<TaskSpec>> waitingTasks = new HashMap<>();
  private final Object taskAndObjectLock = new Object();
- private final RayRuntimeInternal runtime;
+ private final AbstractRayRuntime runtime;
  private final TaskExecutor taskExecutor;
  private final LocalModeObjectStore objectStore;
 
@@ -169,7 +169,7 @@ public synchronized void shutdown() {
  }
 
  public LocalModeTaskSubmitter(
- RayRuntimeInternal runtime, TaskExecutor taskExecutor, LocalModeObjectStore objectStore) {
+ AbstractRayRuntime runtime, TaskExecutor taskExecutor, LocalModeObjectStore objectStore) {
  this.runtime = runtime;
  this.taskExecutor = taskExecutor;
  this.objectStore = objectStore;

java/runtime/src/main/java/io/ray/runtime/task/NativeTaskExecutor.java

@@ -1,14 +1,14 @@
 package io.ray.runtime.task;
 
 import io.ray.api.id.UniqueId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 
 /** Task executor for cluster mode. */
 public class NativeTaskExecutor extends TaskExecutor<NativeTaskExecutor.NativeActorContext> {
 
  static class NativeActorContext extends TaskExecutor.ActorContext {}
 
- public NativeTaskExecutor(RayRuntimeInternal runtime) {
+ public NativeTaskExecutor(AbstractRayRuntime runtime) {
  super(runtime);
  }
 

java/runtime/src/main/java/io/ray/runtime/task/TaskExecutor.java

@@ -8,7 +8,7 @@
 import io.ray.api.id.JobId;
 import io.ray.api.id.TaskId;
 import io.ray.api.id.UniqueId;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import io.ray.runtime.functionmanager.JavaFunctionDescriptor;
 import io.ray.runtime.functionmanager.RayFunction;
 import io.ray.runtime.generated.Common.TaskType;
@@ -32,7 +32,7 @@ public abstract class TaskExecutor<T extends TaskExecutor.ActorContext> {
 
  private static final Logger LOGGER = LoggerFactory.getLogger(TaskExecutor.class);
 
- protected final RayRuntimeInternal runtime;
+ protected final AbstractRayRuntime runtime;
 
  // TODO(qwang): Use actorContext instead later.
  private final ConcurrentHashMap<UniqueId, T> actorContextMap = new ConcurrentHashMap<>();
@@ -44,7 +44,7 @@ static class ActorContext {
  Object currentActor = null;
  }
 
- TaskExecutor(RayRuntimeInternal runtime) {
+ TaskExecutor(AbstractRayRuntime runtime) {
  this.runtime = runtime;
  }
 

java/runtime/src/main/java/io/ray/runtime/util/MethodUtils.java

@@ -1,7 +1,7 @@
 package io.ray.runtime.util;
 
 import io.ray.api.Ray;
-import io.ray.runtime.RayRuntimeInternal;
+import io.ray.runtime.AbstractRayRuntime;
 import java.lang.reflect.Array;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
@@ -47,7 +47,7 @@ public static Class<?> getReturnTypeFromSignature(String signature) {
  /// This code path indicates that here might be in another thread of a worker.
  /// So try to load the class from URLClassLoader of this worker.
  ClassLoader cl =
- ((RayRuntimeInternal) Ray.internal()).getFunctionManager().getClassLoader();
+ ((AbstractRayRuntime) Ray.internal()).getFunctionManager().getClassLoader();
  actorClz = Class.forName(className, true, cl);
  }
  } catch (Exception e) {