package de.intevation.flys.client.shared.model;


/**
 * The default implementation of an {@link ArtifactDescription}. This class just
 * implements constructors to create new instances and the necessary methods of
 * the interface.
 *
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public class DefaultArtifactDescription implements ArtifactDescription {

    /** Data that have been inserted in former states.*/
    protected Data[]   oldData;

    /** The Data that is allowed to be inserted in the current state.*/
    protected Data     currentData;

    /** The current state name.*/
    protected String   currentState;

    /** The names of reachable states.*/
    protected String[] reachableStates;


    public DefaultArtifactDescription() {
    }


    /**
     * The default constructor.
     *
     * @param old The data that have been inserted in former states.
     * @param current The data that might be inserted in the current state.
     * @param state The name of the current state.
     * @param reachableStates The names of the reachable states.
     */
    public DefaultArtifactDescription(
        Data[] old, Data current, String state, String[] reachableStates)
    {
        this.oldData         = old;
        this.currentData     = current;
        this.currentState    = state;
        this.reachableStates = reachableStates;
    }


    public Data[] getOldData() {
        return oldData;
    }


    public Data getCurrentData() {
        return currentData;
    }


    public String getCurrentState() {
        return currentState;
    }


    public String[] getReachableStates() {
        return reachableStates;
    }
}
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