package org.apache.rahas.impl.util;

/**
 * All SAML data retrieving call backs will implement this interface
 * 
 */
public interface SAMLCallback {
    
    /**
     * Attribute callback
     */
    public static final int ATTR_CALLBACK = 1;
    
    /**
     * Subject name identifier
     */
    public static final int NAME_IDENTIFIER_CALLBACK = 2;
    
    /**
     * Returns the type of callback
     * @return int Indicates callback type
     */
    int getCallbackType();

}
