package com.bm.introspectors;
   
   import java.lang.annotation.Annotation;
   
   import javax.persistence.Embeddable;
   
   import org.slf4j.Logger;
   
   
  /**
   * This class inspects all relevant fields of an embedded class and holds the
   * information.
   * 
   * @author Daniel Wiese
   * @param <T> -
   *            the type of the embedded class
   * @since 07.10.2005
   */
  public class EmbeddedClassIntrospector<T> extends AbstractPersistentClassIntrospector<T>
  		implements Introspector<T> {
  
  	private static final org.slf4j.Logger log = org.slf4j.LoggerFactory
  			.getLogger(EmbeddedClassIntrospector.class);
  
  	/** the type of the ebmedded class* */
  	private final Class<T> embeddedClassName;
  
  	/** the name of the attribute in the bean class holding the embedded class* */
  	private final Property attibuteName;
  
  	/**
  	 * Constructor with the class to inspect.
  	 * 
  	 * @param toInspect -
  	 *            the class to inspect
  	 */
  	@SuppressWarnings("unchecked")
  	public EmbeddedClassIntrospector(Property toInspect) {
  		this.embeddedClassName = toInspect.getType();
  		this.attibuteName = toInspect;
  
  		Annotation[] classAnnotations = this.embeddedClassName.getAnnotations();
  		boolean isEbeddeable = false;
  
  		// iterate over the annotations
  		for (Annotation a : classAnnotations) {
  			if (a instanceof Embeddable) {
  
  				isEbeddeable = true;
  			}
  		}
  
  		// check for mandatory conditions
  		if (!isEbeddeable) {
  			log.error("The class " + this.embeddedClassName.getSimpleName()
  					+ " is not a ebededable class");
  			throw new RuntimeException("The class "
  					+ this.embeddedClassName.getSimpleName()
  					+ " is not a ebededable class");
  		}
  
  		// TODO currently abbeded classses have always field access
  		this.processAccessTypeField(this.embeddedClassName);
  	}
  
  	/**
  	 * Returns the embeddedClassName.
  	 * 
  	 * @return Returns the embeddedClassName.
  	 */
  	public Class getEmbeddedClassName() {
  		return embeddedClassName;
  	}
  
  	/**
  	 * Returns the filed/gett/setter Name of the source class.
  	 * 
  	 * @return Returns the attibuteName.
  	 */
  	public Property getAttibuteName() {
  		return attibuteName;
  	}
  
  	/**
  	 * Returns the logger for this class.
  	 * @return
  	 */
  	protected Logger getLogger() {
  		return log;
  	}
  }