Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.joran.spi;

A 2-tuple (a double) consisting of a Class and a String. The Class references the hosting class of a component and the String represents the property name under which a nested component is referenced the host. This class is used by DefaultNestedComponentRegistry. 
Author:
Ceki Gulcu/**
 * A 2-tuple (a double) consisting of a Class and a String. The Class references
 * the hosting class of a component and the String represents the property name
 * under which a nested component is referenced the host.
 * 
 * This class is used by {@link DefaultNestedComponentRegistry}.
 * 
 * @author Ceki Gulcu
 * 
 */
public class HostClassAndPropertyDouble {

    final Class<?> hostClass;
    final String propertyName;

    public HostClassAndPropertyDouble(Class<?> hostClass, String propertyName) {
        this.hostClass = hostClass;
        this.propertyName = propertyName;
    }

    public Class<?> getHostClass() {
        return hostClass;
    }

    public String getPropertyName() {
        return propertyName;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((hostClass == null) ? 0 : hostClass.hashCode());
        result = prime * result + ((propertyName == null) ? 0 : propertyName.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        final HostClassAndPropertyDouble other = (HostClassAndPropertyDouble) obj;
        if (hostClass == null) {
            if (other.hostClass != null)
                return false;
        } else if (!hostClass.equals(other.hostClass))
            return false;
        if (propertyName == null) {
            if (other.propertyName != null)
                return false;
        } else if (!propertyName.equals(other.propertyName))
            return false;
        return true;
    }

}