package de.fhdw.wtf.persistence.utils;
   
   import java.sql.CallableStatement;
   import java.sql.SQLException;
   
   import de.fhdw.wtf.persistence.exception.NotValidInputException;
   import de.fhdw.wtf.persistence.meta.Object;
   import de.fhdw.wtf.persistence.meta.UserObject;
   
  /**
   * Wrapper for a UserObject for a Database-Query.
   */
  public class DBConnectionUserObjectHandler implements DBConnectionObjectHandler {
  	
  	private final UserObject userObject;
  	
  	@Override
  	public String getObjectTypeString() {
  		return "UO";
  	}
  	
  	@Override
  	public void handleCall(final CallableStatement call, final int parameterIndex) throws SQLException {
  		call.setLong(parameterIndex, this.userObject.getId());
  	}
  	
  	@Override
  	public Object getObject() {
  		return this.userObject;
  	}
  	
  	/**
  	 * creates a wrapper for a user object for a database connection.
  	 * 
  	 * @param userObject
  	 *            the wrapped user object
  	 * @throws NotValidInputException
  	 *             throws when the given string is null
  	 */
  	public DBConnectionUserObjectHandler(final UserObject userObject) throws NotValidInputException {
  		super();
  		
  		if (userObject == null) {
  			throw new NotValidInputException("userObject");
  		}
  		
  		this.userObject = userObject;
  	}
  }