// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.orsup.base;

import org.litesoft.changemanagement.*;
import org.litesoft.core.*;

public final class DataStoreLocator {
    public static DataStore get() {
        RequestContext zContext = RequestContext.get();
        ServerStore zStore = zContext.getServerStore();
        DataStore zDataStore = zStore.get( DataStore.class );
        if ( zDataStore == null ) {
            zDataStore = ServerStores.getMaster().get( DataStore.class );
            if ( zDataStore != null ) {
                zStore.set( DataStore.class, zDataStore );
            }
        }
        return zDataStore;
    }

    public static void initialize( DataStore pDataStore ) {
        ServerStores.getMaster().set( DataStore.class, pDataStore );
        ChangeListenerManager.BackDoor.setLocator( new ChangeListenerManager.Locator() {
            @Override
            public ChangeListenerManager getChangeListenerManager() {
                return get().getChangeListenerManager();
            }
        } );
    }

    public static void uninitialize() {
        ServerStores.getMaster().remove( DataStore.class );
        ChangeListenerManager.BackDoor.setLocator( null );
    }
}