org.apache.wicket.PageReference Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of org.ops4j.pax.wicket.service Show documentation

Pax Wicket Service is an OSGi extension of the Wicket framework, allowing for dynamic loading and unloading of Wicket components and pageSources.

There is a newer version: 5.0.0

Show newest version

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.wicket;


/**
 * Unique identifier of a page instance
 * 
 * @author igor.vaynberg
 */
public class PageReference implements IClusterable
{
	private static final long serialVersionUID = 1L;

	private final String pageMapName;
	private final int number;
	private final int version;

	/**
	 * Constructor
	 * 
	 * @param pageMapName
	 * @param number
	 * @param version
	 */
	PageReference(String pageMapName, int number, int version)
	{
		this.pageMapName = pageMapName;
		this.number = number;
		this.version = version;
	}

	/**
	 * @return The page that the this PageReference references
	 */
	public Page getPage()
	{
		return Session.get().getPage(pageMapName, Integer.toString(number), version);
	}

	/**
	 * Gets pageMapName.
	 * 
	 * @return pageMapName
	 */
	public String getPageMapName()
	{
		return pageMapName;
	}


	/**
	 * Gets pageId.
	 * 
	 * @return pageId
	 */
	public int getPageNumber()
	{
		return number;
	}


	/**
	 * Gets pageVersion.
	 * 
	 * @return pageVersion
	 */
	public int getPageVersion()
	{
		return version;
	}


	/**
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode()
	{
		final int prime = 31;
		int result = 1;
		result = prime * result + number;
		result = prime * result + ((pageMapName == null) ? 0 : pageMapName.hashCode());
		result = prime * result + version;
		return result;
	}

	/**
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj)
	{
		if (this == obj)
		{
			return true;
		}
		if (obj == null)
		{
			return false;
		}
		if (getClass() != obj.getClass())
		{
			return false;
		}
		PageReference other = (PageReference)obj;
		if (number != other.number)
		{
			return false;
		}
		if (pageMapName == null)
		{
			if (other.pageMapName != null)
			{
				return false;
			}
		}
		else if (!pageMapName.equals(other.pageMapName))
		{
			return false;
		}
		if (version != other.version)
		{
			return false;
		}
		return true;
	}


}