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/*
* Copyright (C) 2008, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* 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 Eclipse Foundation, Inc. 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 THE COPYRIGHT OWNER OR
* CONTRIBUTORS 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.eclipse.jgit.transport;
import java.io.OutputStream;
import java.util.Collection;
import java.util.Set;
import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ProgressMonitor;
import org.eclipse.jgit.lib.Ref;
/**
* Base helper class for fetch connection implementations. Provides some common
* typical structures and methods used during fetch connection.
* <p>
* Implementors of fetch over pack-based protocols should consider using
* {@link BasePackFetchConnection} instead.
* </p>
*/
abstract class BaseFetchConnection extends BaseConnection implements
FetchConnection {
@Override
public final void fetch(final ProgressMonitor monitor,
final Collection<Ref> want, final Set<ObjectId> have)
throws TransportException {
fetch(monitor, want, have, null);
}
@Override
public final void fetch(final ProgressMonitor monitor,
final Collection<Ref> want, final Set<ObjectId> have,
OutputStream out) throws TransportException {
markStartedOperation();
doFetch(monitor, want, have);
}
/**
* Default implementation of {@link FetchConnection#didFetchIncludeTags()} -
* returning false.
*/
@Override
public boolean didFetchIncludeTags() {
return false;
}
/**
* Implementation of {@link #fetch(ProgressMonitor, Collection, Set)}
* without checking for multiple fetch.
*
* @param monitor
* as in {@link #fetch(ProgressMonitor, Collection, Set)}
* @param want
* as in {@link #fetch(ProgressMonitor, Collection, Set)}
* @param have
* as in {@link #fetch(ProgressMonitor, Collection, Set)}
* @throws TransportException
* as in {@link #fetch(ProgressMonitor, Collection, Set)}, but
* implementation doesn't have to care about multiple
* {@link #fetch(ProgressMonitor, Collection, Set)} calls, as it
* is checked in this class.
*/
protected abstract void doFetch(final ProgressMonitor monitor,
final Collection<Ref> want, final Set<ObjectId> have)
throws TransportException;
}
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