org.opentcs.commadapter.peripheral.loopback.commands.SetStateCommand Maven / Gradle / Ivy

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/**
 * Copyright (c) The openTCS Authors.
 *
 * This program is free software and subject to the MIT license. (For details,
 * see the licensing information (LICENSE.txt) you should have received with
 * this copy of the software.)
 */
package org.opentcs.commadapter.peripheral.loopback.commands;

import static java.util.Objects.requireNonNull;
import javax.annotation.Nonnull;
import org.opentcs.commadapter.peripheral.loopback.LoopbackPeripheralCommAdapter;
import org.opentcs.data.model.PeripheralInformation;
import org.opentcs.drivers.peripherals.PeripheralAdapterCommand;
import org.opentcs.drivers.peripherals.PeripheralCommAdapter;

/**
 * A command to set the peripheral device's state.
 */
public class SetStateCommand
    implements PeripheralAdapterCommand {

  /**
   * The peripheral device state to set.
   */
  private final PeripheralInformation.State state;

  /**
   * Creates a new instance.
   *
   * @param state The peripheral device state to set.
   */
  public SetStateCommand(@Nonnull PeripheralInformation.State state) {
    this.state = requireNonNull(state, "state");
  }

  @Override
  public void execute(PeripheralCommAdapter adapter) {
    if (!(adapter instanceof LoopbackPeripheralCommAdapter)) {
      return;
    }

    LoopbackPeripheralCommAdapter loopbackAdapter = (LoopbackPeripheralCommAdapter) adapter;
    loopbackAdapter.updateState(state);
  }
}