arez.component.NoSuchEntityException Maven / Gradle / Ivy

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Arez Core

There is a newer version: 0.213

package arez.component;

import arez.Arez;
import java.util.Objects;
import javax.annotation.Nonnull;

/**
 * Exception thrown by repository when the query for a specific entity failed.
 */
@SuppressWarnings( "GwtInconsistentSerializableClass" )
public class NoSuchEntityException
  extends NoResultException
{
  @Nonnull
  private final Object _id;

  /**
   * Create the exception
   *
   * @param id the id of the entity that was queried.
   */
  public NoSuchEntityException( @Nonnull final Object id )
  {
    _id = Objects.requireNonNull( id );
  }

  /**
   * Return the id of the entity that was not found.
   *
   * @return the id of the entity that was not found.
   */
  @Nonnull
  public Object getId()
  {
    return _id;
  }

  @Override
  public String toString()
  {
    if ( Arez.areNamesEnabled() )
    {
      return "NoSuchEntityException[id=" + _id + ']';
    }
    else
    {
      return super.toString();
    }
  }
}