PolicyDistributionAdapter.java

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package rlpark.plugin.rltoys.algorithms.functions.policydistributions.helpers;

import rlpark.plugin.rltoys.algorithms.functions.policydistributions.PolicyDistribution;
import rlpark.plugin.rltoys.envio.actions.Action;
import rlpark.plugin.rltoys.envio.policy.Policy;
import rlpark.plugin.rltoys.math.vector.RealVector;
import rlpark.plugin.rltoys.math.vector.implementations.PVector;

public class PolicyDistributionAdapter implements PolicyDistribution {
  private static final long serialVersionUID = -3702175603455756729L;
  private final Policy policy;

  public PolicyDistributionAdapter(Policy policy) {
    this.policy = policy;
  }

  @Override
  public double pi(Action a) {
    return policy.pi(a);
  }

  @Override
  public Action sampleAction() {
    return policy.sampleAction();
  }

  @Override
  public PVector[] createParameters(int nbFeatures) {
    return new PVector[] {};
  }

  @Override
  public RealVector[] computeGradLog(Action a_t) {
    return new PVector[] {};
  }

  @Override
  public int nbParameterVectors() {
    return 0;
  }

  @Override
  public void update(RealVector x) {
    policy.update(x);
  }
}