vaadin-framework/src/com/vaadin/terminal/gwt/server/PaintableIdMapper.java

/*
@VaadinApache2LicenseForJavaFiles@
 */

package com.vaadin.terminal.gwt.server;

import java.io.Serializable;

import com.vaadin.terminal.Paintable;

/**
 * Mapper between server side paintable IDs and the actual {@link Paintable}
 * objects.
 * 
 * @since 7.0
 */
public interface PaintableIdMapper extends Serializable {
    /**
     * Get the {@link Paintable} instance corresponding to a paintable id.
     * 
     * @param paintableId
     *            id to get
     * @return {@link Paintable} instance or null if none found
     */
    public Paintable getPaintable(String paintableId);

    /**
     * Get the paintable identifier corresponding to a {@link Paintable}
     * instance.
     * 
     * @param paintable
     *            {@link Paintable} for which to get the id
     * @return paintable id or null if none found
     */
    public String getPaintableId(Paintable paintable);
}