ServerRole.java

/*
  Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program is free software; you can redistribute it and/or modify it under the terms
  of the GNU General Public License as published by the Free Software Foundation; version 2
  of the License.

  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA

 */

package com.mysql.fabric;

import java.util.HashMap;
import java.util.Map;

/**
 * Server roles.
 */
public enum ServerRole {
	SPARE,
	SCALE,
	SECONDARY,
	PRIMARY;

	/* Lookup logic from integer constants provided by server. */
	private static final Map<Integer, ServerRole> serverRolesByConstant = new HashMap<Integer, ServerRole>();
	static {
		serverRolesByConstant.put(0, SPARE);
		serverRolesByConstant.put(1, SCALE);
		serverRolesByConstant.put(2, SECONDARY);
		serverRolesByConstant.put(3, PRIMARY);
	}

	public static ServerRole getFromConstant(Integer constant) {
		return serverRolesByConstant.get(constant);
	}
}