gurux.dlms.Service Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of gurux.dlms Show documentation
gurux.dlms.java package is used to communicate with DLMS devices.
The newest version!
//
// --------------------------------------------------------------------------
//  Gurux Ltd
// 
//
//
// Filename:        $HeadURL$
//
// Version:         $Revision$,
//                  $Date$
//                  $Author$
//
// Copyright (c) Gurux Ltd
//
//---------------------------------------------------------------------------
//
//  DESCRIPTION
//
// This file is a part of Gurux Device Framework.
//
// Gurux Device Framework is Open Source 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.
// Gurux Device Framework 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.
//
// More information of Gurux products: https://www.gurux.org
//
// This code is licensed under the GNU General Public License v2. 
// Full text may be retrieved at http://www.gnu.org/licenses/gpl-2.0.txt
//---------------------------------------------------------------------------

package gurux.dlms;

/**
 * Service describes service errors.
 */
public enum Service {
    /**
     * Other error.
     */
    OTHER(0),
    /**
     * PDU size is wrong.
     */
    PDU_SIZE(1),
    /**
     * Service is unsupported.
     */
    UNSUPPORTED(2);

    /**
     * Integer value of enumerator.
     */
    private int intValue;
    /**
     * Collection of enumerator values.
     */
    private static java.util.HashMap mappings;

    /**
     * Returns collection of enumerator values.
     * 
     * @return Enumerator values.
     */
    private static java.util.HashMap getMappings() {
        if (mappings == null) {
            synchronized (Service.class) {
                if (mappings == null) {
                    mappings = new java.util.HashMap();
                }
            }
        }
        return mappings;
    }

    /**
     * Constructor.
     * 
     * @param value
     *            Integer value of enumerator.
     */
    Service(final int value) {
        intValue = value;
        getMappings().put(value, this);
    }

    /**
     * Get integer value for enumerator.
     * 
     * @return Enumerator integer value.
     */
    public int getValue() {
        return intValue;
    }

    /**
     * Returns enumerator value from an integer value.
     * 
     * @param value
     *            Integer value.
     * @return Enumeration value.
     */
    public static Service forValue(final int value) {
        return getMappings().get(value);
    }
}