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The Annotation processor

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package react4j.processor;

import java.util.List;
import java.util.Objects;
import javax.annotation.Nonnull;
import javax.lang.model.element.ExecutableElement;

final class OnInputChangeDescriptor
{
  @Nonnull
  private final ExecutableElement _method;
  @Nonnull
  private final List _inputs;
  /**
   * Flag set to true if the hook method is invoked prior to update.
   */
  private final boolean _preUpdate;

  OnInputChangeDescriptor( @Nonnull final ExecutableElement method,
                           @Nonnull final List inputs,
                           final boolean preUpdate )
  {
    _method = Objects.requireNonNull( method );
    _inputs = Objects.requireNonNull( inputs );
    _preUpdate = preUpdate;
    _inputs.forEach( InputDescriptor::markAsOnChangePresent );
  }

  @Nonnull
  ExecutableElement getMethod()
  {
    return _method;
  }

  boolean isPreUpdate()
  {
    return _preUpdate;
  }

  @Nonnull
  List getInputs()
  {
    return _inputs;
  }
}