hibernate-commits

[<one...@us...>]

Update of /cvsroot/hibernate/Hibernate2/src/net/sf/hibernate/id
In directory sc8-pr-cvs1:/tmp/cvs-serv6518/id

Modified Files:
	IdentifierGeneratorFactory.java 
Added Files:
	ForeignGenerator.java 
Log Message:
added foreign id generator for 1-to-1 associations

--- NEW FILE: ForeignGenerator.java ---
package net.sf.hibernate.id;

import java.io.Serializable;
import java.sql.SQLException;
import java.util.Properties;

import net.sf.hibernate.HibernateException;
import net.sf.hibernate.MappingException;
import net.sf.hibernate.dialect.Dialect;
import net.sf.hibernate.engine.SessionImplementor;
import net.sf.hibernate.type.Type;

/**
 * <b>foreign</b><br>
 * <br>
 * An <tt>Identifier</tt> generator that uses the value of the id property of an
 * associated object
 * <br>
 * One mapping parameter id supported: property.
 */
public class ForeignGenerator implements IdentifierGenerator, Configurable {

	private String propertyName;
	
	/**
	 * @see net.sf.hibernate.id.IdentifierGenerator#generate(net.sf.hibernate.engine.SessionImplementor, java.lang.Object)
	 */
	public Serializable generate(SessionImplementor session, Object object)
		throws SQLException, HibernateException {
		
		Object associatedObject = session.getFactory()
			.getClassMetadata( object.getClass() )
			.getPropertyValue(object,  propertyName);		
		return session.getEntityIdentifierIfNotUnsaved(associatedObject);
	}

	/**
	 * @see net.sf.hibernate.id.Configurable#configure(net.sf.hibernate.type.Type, java.util.Properties, net.sf.hibernate.dialect.Dialect)
	 */
	public void configure(Type type, Properties params, Dialect d)
		throws MappingException {
		
		propertyName = params.getProperty("property");
	}

}

Index: IdentifierGeneratorFactory.java
===================================================================
RCS file: /cvsroot/hibernate/Hibernate2/src/net/sf/hibernate/id/IdentifierGeneratorFactory.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** IdentifierGeneratorFactory.java	29 Mar 2003 04:08:47 -0000	1.2
--- IdentifierGeneratorFactory.java	29 Mar 2003 04:20:18 -0000	1.3
***************
*** 43,47 ****
  		idgenerators.put("seqhilo", SequenceHiLoGenerator.class);
  		idgenerators.put("vm", CounterGenerator.class);
! 		idgenerators.put("onetoone", OneToOneGenerator.class);
  	}
  	
--- 43,47 ----
  		idgenerators.put("seqhilo", SequenceHiLoGenerator.class);
  		idgenerators.put("vm", CounterGenerator.class);
! 		idgenerators.put("foreign", ForeignGenerator.class);
  	}