view artifact-database/src/main/java/de/intevation/artifactdatabase/state/State.java @ 156:a76de72ad6d1

Added stubs for the collection handling in db backend. Added missing attribute column to the collection item table. artifacts/trunk@1381 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 03 Mar 2011 09:53:02 +0000
parents 33271242e303
children 2a9591f76270
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/*
 * Copyright (c) 2011 by Intevation GmbH
 *
 * This program is free software under the LGPL (>=v2.1)
 * Read the file LGPL.txt coming with the software for details
 * or visit http://www.gnu.org/licenses/ if it does not exist.
 */
package de.intevation.artifactdatabase.state;

import java.io.Serializable;
import java.util.Map;

import org.w3c.dom.Document;
import org.w3c.dom.Node;

import de.intevation.artifacts.CallContext;

import de.intevation.artifactdatabase.data.StateData;


/**
 * This interface describes the basic methods a concrete state class needs to
 * implement.
 *
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public interface State extends Serializable {

    /**
     * Return the id of the state.
     *
     * @return the id.
     */
    public String getID();


    /**
     * Return the description of the state.
     *
     * @return the description of the state.
     */
    public String getDescription();


    /**
     * Returns the data provided by this state.
     *
     * @return the data stored in this state.
     */
    public Map<String, StateData> getData();


    /**
     * This method should be used to add a new {@link StateData} object to the
     * data pool of the state.
     *
     * @param name The name of the data object.
     * @param data The data object.
     */
    public void addData(String name, StateData data);


    /**
     * Initialize the state based on the state node in the configuration.
     *
     * @param config The state configuration node.
     */
    public void setup(Node config);


    /**
     * This method is called when an artifacts retrieves a describe request. It
     * creates the user interface description of the current state.
     *
     * @param document Describe doucment.
     * @param rootNode Parent node for all new elements.
     * @param context The CallContext.
     * @param uuid The uuid of an artifact.
     */
    public void describe(
        Document    document,
        Node        rootNode,
        CallContext context,
        String      uuid
    );
}
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