org.apache.wicket.PageReference.java Source code

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Here is the source code for org.apache.wicket.PageReference.java

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/*
 * 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;

import org.apache.wicket.util.io.IClusterable;

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

    private final int pageId;

    /**
     * Constructor
     * 
     * @param pageId
     */
    public PageReference(int pageId) {
        this.pageId = pageId;
    }

    /**
     * @return The page that the this PageReference references
     */
    public Page getPage() {
        return (Page) Session.get().getPageManager().getPage(pageId);
    }

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

    /**
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        return pageId;
    }

    /**
     * @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;
        return getPageId() == other.getPageId();
    }

}