DAOFactory.java

/**
 * Copyright (c) 2011-2012 Optimax Software Ltd.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Optimax Software, ElasticInbox, nor the names
 *    of its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 */

package com.elasticinbox.core;

import com.elasticinbox.core.cassandra.CassandraDAOFactory;

/**
 * Core Data Access Factory
 *
 * @author Rustam Aliyev
 */
public abstract class DAOFactory
{
	// List of metadata DAO types supported by ElasticInbox
	public static final String CASSANDRA = "cassandra";
	public static final String HBASE = "hbase";

	// Data Access decomposed into the following DAOs:
	public abstract AccountDAO getAccountDAO();
	public abstract MessageDAO getMessageDAO();
	public abstract LabelDAO getLabelDAO();

	public static DAOFactory getDAOFactory()
	{
		// Currently only Cassandra supported, ignore config
		return new CassandraDAOFactory();

		/*
		String driver = Configurator.getMetadataStorageDriver();

		if (driver.equalsIgnoreCase(CASSANDRA)) {
			return new CassandraDAOFactory();
		} else {
			return null;
		}
		*/
	}
}