Library.java

package org.sculptor.examples.library.media.domain;

import javax.persistence.Entity;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.PreRemove;
import javax.persistence.Table;

import org.sculptor.examples.library.media.domain.LibraryBase;

/**
 * 
 * Entity representing Library. This class is responsible for the domain object
 * related business logic for Library. Properties and associations are
 * implemented in the generated base class
 * {@link org.sculptor.examples.library.media.domain.LibraryBase}.
 */
@Entity
@Table(name = "LIBRARY")
@NamedQueries({ @NamedQuery(name = "Library.findLibraryByName", query = "select library from Library as library where library.name = :name") })
public class Library extends LibraryBase {
	private static final long serialVersionUID = 1L;

	protected Library() {
	}

	public Library(String name) {
		super(name);
	}

	@PreRemove
	protected void preRemove() {
		// DataNucleus does not allow clearing sets for entities marked for
		// deletion
		// remove this statement for datanucleus
		// TODO: check reason
		removeAllMedia();
	}

}