com.github.dakusui.floorplan.component.AttributeBundle Maven / Gradle / Ivy

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package com.github.dakusui.floorplan.component;

/**
 * An interface that represents a bundle of attributes.
 *
 * @param  A type of attributes, not to be confused of a type of their values.
 */
public interface AttributeBundle {
  /**
   * Returns a reference to  a component instance or configurator whose specification
   * is described by attributes that this object holds.
   *
   * @return reference to an entity that this object describes.
   */
  Ref ref();

  /**
   * A short hand method for {@code ref().spec()}.
   *
   * @return A specification of a component that this object describes.
   */
  @SuppressWarnings("unchecked")
  default ComponentSpec spec() {
    return (ComponentSpec) this.ref().spec();
  }
}