ai.djl.modality.rl.ActionSpace Maven / Gradle / Ivy
/*
* Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 ai.djl.modality.rl;
import ai.djl.ndarray.NDList;
import ai.djl.util.RandomUtils;
import java.util.ArrayList;
/** Contains the available actions that can be taken in an {@link ai.djl.modality.rl.env.RlEnv}. */
public class ActionSpace extends ArrayList {
private static final long serialVersionUID = 8683452581122892189L;
/**
* Returns a random action.
*
* @return a random action
*/
public NDList randomAction() {
return get(RandomUtils.nextInt(size()));
}
}