| /* |
| * Copyright (c) 2011, 2012 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; |
| } |