/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2011  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o 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, see http://www.gnu.org/licenses/. */
package com.db4o.internal.activation;

public final class ActivationMode {
	
	public static final ActivationMode ACTIVATE = new ActivationMode();
	
	public static final ActivationMode DEACTIVATE = new ActivationMode();
	
	public static final ActivationMode PEEK = new ActivationMode();

	public static final ActivationMode PREFETCH = new ActivationMode();
	
	public static final ActivationMode REFRESH = new ActivationMode();
	
	private ActivationMode() {
	}
	
	public String toString() {
		if (isActivate()) {
			return "ACTIVATE";
		}
		if (isDeactivate()) {
			return "DEACTIVATE";
		}
		if (isPrefetch()) {
			return "PREFETCH";
		}
		if (isRefresh()) {
			return "REFRESH";
		}
		return "PEEK";
	}

	public boolean isDeactivate() {
		return this == DEACTIVATE;
	}

	public boolean isActivate() {
		return this == ACTIVATE;
	}

	public boolean isPeek() {
		return this == PEEK;
	}

	public boolean isPrefetch() {
		return this == PREFETCH;
	}
	
	public boolean isRefresh() {
		return this == REFRESH;
	}
}