001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.core.joran.spi;
015
016/**
017 * A 2-tuple (a double) consisting of a Class and a String. The Class references
018 * the hosting class of a component and the String represents the property name
019 * under which a nested component is referenced the host.
020 * 
021 * This class is used by {@link DefaultNestedComponentRegistry}.
022 * 
023 * @author Ceki Gulcu
024 * 
025 */
026public class HostClassAndPropertyDouble {
027
028    final Class<?> hostClass;
029    final String propertyName;
030
031    public HostClassAndPropertyDouble(Class<?> hostClass, String propertyName) {
032        this.hostClass = hostClass;
033        this.propertyName = propertyName;
034    }
035
036    public Class<?> getHostClass() {
037        return hostClass;
038    }
039
040    public String getPropertyName() {
041        return propertyName;
042    }
043
044    @Override
045    public int hashCode() {
046        final int prime = 31;
047        int result = 1;
048        result = prime * result + ((hostClass == null) ? 0 : hostClass.hashCode());
049        result = prime * result + ((propertyName == null) ? 0 : propertyName.hashCode());
050        return result;
051    }
052
053    @Override
054    public boolean equals(Object obj) {
055        if (this == obj)
056            return true;
057        if (obj == null)
058            return false;
059        if (getClass() != obj.getClass())
060            return false;
061        final HostClassAndPropertyDouble other = (HostClassAndPropertyDouble) obj;
062        if (hostClass == null) {
063            if (other.hostClass != null)
064                return false;
065        } else if (!hostClass.equals(other.hostClass))
066            return false;
067        if (propertyName == null) {
068            if (other.propertyName != null)
069                return false;
070        } else if (!propertyName.equals(other.propertyName))
071            return false;
072        return true;
073    }
074
075}