ValueHolderInterface.java

/**
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/ 
* 
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
* 
* The Original Code is OpenELIS code.
* 
* Copyright (C) The Minnesota Department of Health.  All Rights Reserved.
*/
package us.mn.state.health.lims.common.valueholder;

public interface ValueHolderInterface {

    /** Can be used to have transparent indirection toString instantiate the objects. */
    public static boolean shouldToStringInstantiate = false;

    /**
     * PUBLIC:
     * Return the value.
     */
    public Object getValue();

    /**
     * PUBLIC:
     * Return whether the contents have been read from the database.
     * This is used periodically by the indirection policy to determine whether
     * to trigger the database read.
     */
    public boolean isInstantiated();

    /**
     * PUBLIC:
     * Set the value.
     */
    public void setValue(Object value);
}