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Improved version of the DBus-Java library provided by freedesktop.org (https://dbus.freedesktop.org/doc/dbus-java/).

There is a newer version: 3.3.2

/*
   D-Bus Java Implementation
   Copyright (c) 2005-2006 Matthew Johnson

   This program is free software; you can redistribute it and/or modify it
   under the terms of either the GNU Lesser General Public License Version 2 or the
   Academic Free Licence Version 2.1.

   Full licence texts are included in the COPYING file with this program.
*/
package org.freedesktop.dbus;

class SignalTuple {
    // CHECKSTYLE:OFF
    String type;
    String name;
    String object;
    String source;
    // CHECKSTYLE:ON

    SignalTuple(String _type, String _name, String _object, String _source) {
        this.type = _type;
        this.name = _name;
        this.object = _object;
        this.source = _source;
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof SignalTuple)) {
            return false;
        }
        SignalTuple other = (SignalTuple) o;
        if (null == this.type && null != other.type) {
            return false;
        }
        if (null != this.type && !this.type.equals(other.type)) {
            return false;
        }
        if (null == this.name && null != other.name) {
            return false;
        }
        if (null != this.name && !this.name.equals(other.name)) {
            return false;
        }
        if (null == this.object && null != other.object) {
            return false;
        }
        if (null != this.object && !this.object.equals(other.object)) {
            return false;
        }
        if (null == this.source && null != other.source) {
            return false;
        }
        if (null != this.source && !this.source.equals(other.source)) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        return (null == type ? 0 : type.hashCode()) + (null == name ? 0 : name.hashCode()) + (null == source ? 0 : source.hashCode()) + (null == object ? 0 : object.hashCode());
    }

    @Override
    public String toString() {
        return "SignalTuple(" + type + "," + name + "," + object + "," + source + ")";
    }
}