package org.litesoft.bo.views.communication;

import org.litesoft.bo.views.*;
import org.litesoft.bo.views.caching.*;

public abstract class CScomm
{
    private static volatile CScomm sInstance = NullCScomm.INSTANCE;

    public static CScomm getInstance()
    {
        return sInstance;
    }

    public static void setInstance( CScomm pInstance )
    {
        sInstance = (pInstance != null) ? pInstance : NullCScomm.INSTANCE;
    }

    abstract public void requestTemporalTriggerPoll();

    abstract public void requestFunctionSimple( VOCSrequestFunctionSimple pFunctionSimple, //
                                                SimpleDataProviderCallBack pCallBack );

    abstract public void requestFunctionFetchRow( CacheInvalidCallBack pCacheInvalidCallBack, CacheID pCacheID, //
                                                  VOCSrequestFunctionFetchRow pFunctionFetchRow, //
                                                  FetchRowDataProviderCallBack<? extends IViewObject> pCallBack );

    abstract public void requestFunctionFetchRows( CacheInvalidCallBack pCacheInvalidCallBack, CacheID pCacheID, //
                                                   VOCSrequestFunctionFetchRows pFunctionFetchRows, //
                                                   FetchRowsDataProviderCallBack<? extends IViewObject> pCallBack );

    abstract public void requestRowByObjectURL( CacheInvalidCallBack pCacheInvalidCallBack, CacheID pCacheID, //
                                                VOCSrequestRowByObjectURL pRowByObjectURL, //
                                                FetchRowDataProviderCallBack<? extends IViewObject> pCallBack );

    abstract public void requestRowsByObjectURLs( CacheInvalidCallBack pCacheInvalidCallBack, CacheID pCacheID, //
                                                  VOCSrequestRowsByObjectURLs pRowsByObjectURLs, //
                                                  FetchRowsDataProviderCallBack<? extends IViewObject> pCallBack );

    abstract public void requestRowsByFilters( CacheInvalidCallBack pCacheInvalidCallBack, CacheID pCacheID, //
                                               VOCSrequestRowsByFilters pRowsByFilters, //
                                               FetchRowsDataProviderCallBack<? extends IViewObject> pCallBack );

    abstract public void requestCommit( CacheInvalidCallBack pCacheInvalidCallBack, CacheID pCacheID, //
                                        VOCSrequestCommit pVOCSrequestCommit, //
                                        CommitCallBack<? extends IViewObject> pCallBack );
}