/**
* Copyright (c) 2012, University of Konstanz, Distributed Systems Group
* 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 the University of Konstanz 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 <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jscsi.parser.login;
import com.carrotsearch.hppc.ByteObjectOpenHashMap;
/**
* <h1>LoginStage</h1>
* <p>
* This enumeration defines all valid constants for the Login Stages used in the fields
* <em>Current Stage (CSG)</em> and <em>Next Stage(NSG)</em> fields of a Login Request message. This values
* are defined in the iSCSI Protocol (RFC3720).
*
* @author Volker Wildi
*/
public enum LoginStage {
/** The Security Negotiation Flag. */
SECURITY_NEGOTIATION((byte)0),
/** The Login Operational Negotiation Flag. */
LOGIN_OPERATIONAL_NEGOTIATION((byte)1),
/** The Full Feature Phase Flag. */
FULL_FEATURE_PHASE((byte)3);
private final byte value;
private static ByteObjectOpenHashMap<LoginStage> mapping;
static {
LoginStage.mapping = new ByteObjectOpenHashMap<LoginStage>(values().length);
for (LoginStage s : values()) {
LoginStage.mapping.put(s.value, s);
}
}
private LoginStage(final byte newValue) {
value = newValue;
}
/**
* Returns the value of this enumeration.
*
* @return The value of this enumeration.
*/
public final byte value() {
return value;
}
/**
* Returns the constant defined for the given <code>value</code>.
*
* @param value
* The value to search for.
* @return The constant defined for the given <code>value</code>. Or <code>null</code>, if this value is
* not defined by this
* enumeration.
*/
public static final LoginStage valueOf(final byte value) {
return LoginStage.mapping.get(value);
}
}