Hibernate example source code file (MappingTools.java)

This example Hibernate source code file (MappingTools.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

collection, collection, mappingtools, onetomany, onetomany, string, string, toone, toone

The Hibernate MappingTools.java source code

package org.hibernate.envers.tools;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.OneToMany;
import org.hibernate.mapping.ToOne;
import org.hibernate.mapping.Value;

/**
 * @author Adam Warski (adam at warski dot org)
 */
public class MappingTools {	
	/**
	 * @param componentName Name of the component, that is, name of the property in the entity that references the
	 * component.
	 * @return A prefix for properties in the given component.
	 */
	public static String createComponentPrefix(String componentName) {
		return componentName + "_";
	}

    /**
     * @param referencePropertyName The name of the property that holds the relation to the entity.
     * @return A prefix which should be used to prefix an id mapper for the related entity.
     */
    public static String createToOneRelationPrefix(String referencePropertyName) {
        return referencePropertyName + "_";
    }

    public static String getReferencedEntityName(Value value) {
        if (value instanceof ToOne) {
            return ((ToOne) value).getReferencedEntityName();
        } else if (value instanceof OneToMany) {
            return ((OneToMany) value).getReferencedEntityName();
        } else if (value instanceof Collection) {
            return getReferencedEntityName(((Collection) value).getElement());
        }

        return null;
    }
}