org.opentcs.kernel.KernelStateShutdown 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.kernel;

import jakarta.inject.Inject;
import org.opentcs.access.Kernel;
import org.opentcs.customizations.kernel.GlobalSyncObject;
import org.opentcs.kernel.persistence.ModelPersister;
import org.opentcs.kernel.workingset.PlantModelManager;

/**
 * This class implements the standard openTCS kernel when it's shut down.
 */
public class KernelStateShutdown
    extends
      KernelState {

  /**
   * Indicates whether this component is enabled.
   */
  private boolean initialized;

  /**
   * Creates a new StandardKernelShutdownState.
   *
   * @param globalSyncObject The kernel threads' global synchronization object.
   * @param plantModelManager The plant model manager to be used.
   * @param modelPersister The model persister to be used.
   */
  @Inject
  public KernelStateShutdown(
      @GlobalSyncObject
      Object globalSyncObject,
      PlantModelManager plantModelManager,
      ModelPersister modelPersister
  ) {
    super(
        globalSyncObject,
        plantModelManager,
        modelPersister
    );
  }

  // Methods that HAVE to be implemented/overridden start here.
  @Override
  public void initialize() {
    initialized = true;
  }

  @Override
  public boolean isInitialized() {
    return initialized;
  }

  @Override
  public void terminate() {
    initialized = false;
  }

  @Override
  public Kernel.State getState() {
    return Kernel.State.SHUTDOWN;
  }
}