io.dapr.actors.runtime.DefaultActorFactory Maven / Gradle / Ivy
/*
* Copyright 2021 The Dapr Authors
* 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 io.dapr.actors.runtime;
import io.dapr.actors.ActorId;
import io.dapr.actors.ActorTrace;
import java.lang.reflect.Constructor;
/**
* Instantiates actors by calling their constructor with {@link ActorRuntimeContext} and {@link ActorId}.
*
* @param Actor Type to be created.
*/
class DefaultActorFactory implements ActorFactory {
/**
* Tracing errors, warnings and info logs.
*/
private static final ActorTrace ACTOR_TRACE = new ActorTrace();
/**
* {@inheritDoc}
*/
@Override
public T createActor(ActorRuntimeContext actorRuntimeContext, ActorId actorId) {
try {
if (actorRuntimeContext == null) {
return null;
}
Constructor constructor = actorRuntimeContext
.getActorTypeInformation()
.getImplementationClass()
.getConstructor(ActorRuntimeContext.class, ActorId.class);
return constructor.newInstance(actorRuntimeContext, actorId);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
ACTOR_TRACE.writeError(
actorRuntimeContext.getActorTypeInformation().getName(),
actorId.toString(),
"Failed to create actor instance.");
throw new RuntimeException(e);
}
}
}