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/**
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.common.lob;
import org.eclipse.net4j.util.io.ExtendedDataInput;
import org.eclipse.net4j.util.io.ExtendedDataOutput;
import java.io.IOException;
/**
* A identifiable large object with streaming support.
*
* @author Eike Stepper
* @since 4.0
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
public abstract class CDOLob<IO> extends CDOLobInfo
{
private CDOLobStore store;
CDOLob(byte[] id, long size)
{
this.id = id;
this.size = size;
}
CDOLob(IO contents, CDOLobStore store) throws IOException
{
this.store = store;
CDOLobInfo info = put(contents);
id = info.getID();
size = info.getSize();
}
CDOLob(ExtendedDataInput in) throws IOException
{
id = in.readByteArray();
size = in.readLong();
}
final void write(ExtendedDataOutput out) throws IOException
{
out.writeByteArray(id);
out.writeLong(size);
}
final void setStore(CDOLobStore store)
{
this.store = store;
}
public final CDOLobStore getStore()
{
return store;
}
public abstract IO getContents() throws IOException;
protected abstract CDOLobInfo put(IO contents) throws IOException;
}
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