org.sirix.page.IndirectPage Maven / Gradle / Ivy
/**
* Copyright (c) 2011, University of Konstanz, Distributed Systems Group All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted
* provided that the following conditions are met: * Redistributions of source code must retain the
* above copyright notice, this list of conditions and the following disclaimer. * Redistributions
* in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of the University of Konstanz nor the names of its contributors may be used to
* endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.sirix.page;
import java.io.DataInput;
import java.io.IOException;
import org.sirix.page.delegates.PageDelegate;
import org.sirix.page.interfaces.Page;
import org.sirix.settings.Constants;
/**
* IndirectPage
*
*
* Indirect page holds a set of references to build a reference tree.
*
*/
public final class IndirectPage extends AbstractForwardingPage {
/** {@link PageDelegate} reference. */
private final PageDelegate mDelegate;
/**
* Create indirect page.
*
*/
public IndirectPage() {
mDelegate = new PageDelegate(Constants.INP_REFERENCE_COUNT);
}
/**
* Read indirect page.
*
* @param in input source
*/
public IndirectPage(final DataInput in, final SerializationType type) throws IOException {
mDelegate = new PageDelegate(Constants.INP_REFERENCE_COUNT, in, type);
}
/**
* Clone indirect page.
*
* @param page {@link IndirectPage} to clone
*/
public IndirectPage(final IndirectPage page) {
mDelegate = new PageDelegate(page, page.mDelegate.getBitmap());
}
@Override
protected Page delegate() {
return mDelegate;
}
}