/*
* Copyright (C) 2011, Google Inc.
* 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
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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package org.eclipse.jgit.storage.dht.spi.memory;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;
import org.eclipse.jgit.generated.storage.dht.proto.GitStore.CachedPackInfo;
import org.eclipse.jgit.storage.dht.CachedPackKey;
import org.eclipse.jgit.storage.dht.ChunkInfo;
import org.eclipse.jgit.storage.dht.ChunkKey;
import org.eclipse.jgit.storage.dht.DhtException;
import org.eclipse.jgit.storage.dht.DhtText;
import org.eclipse.jgit.storage.dht.RepositoryKey;
import org.eclipse.jgit.storage.dht.spi.RepositoryTable;
import org.eclipse.jgit.storage.dht.spi.WriteBuffer;
import org.eclipse.jgit.storage.dht.spi.util.ColumnMatcher;
import com.google.protobuf.InvalidProtocolBufferException;
final class MemRepositoryTable implements RepositoryTable {
private final AtomicInteger nextId = new AtomicInteger();
private final MemTable table = new MemTable();
private final ColumnMatcher colChunkInfo = new ColumnMatcher("chunk-info:");
private final ColumnMatcher colCachedPack = new ColumnMatcher("cached-pack:");
public RepositoryKey nextKey() throws DhtException {
return RepositoryKey.create(nextId.incrementAndGet());
}
public void put(RepositoryKey repo, ChunkInfo info, WriteBuffer buffer)
throws DhtException {
table.put(repo.asBytes(),
colChunkInfo.append(info.getChunkKey().asBytes()),
info.getData().toByteArray());
}
public void remove(RepositoryKey repo, ChunkKey chunk, WriteBuffer buffer)
throws DhtException {
table.delete(repo.asBytes(), colChunkInfo.append(chunk.asBytes()));
}
public Collection<CachedPackInfo> getCachedPacks(RepositoryKey repo)
throws DhtException, TimeoutException {
List<CachedPackInfo> out = new ArrayList<CachedPackInfo>(4);
for (MemTable.Cell cell : table.scanFamily(repo.asBytes(), colCachedPack)) {
try {
out.add(CachedPackInfo.parseFrom(cell.getValue()));
} catch (InvalidProtocolBufferException e) {
throw new DhtException(MessageFormat.format(
DhtText.get().invalidCachedPackInfo, repo,
CachedPackKey.fromBytes(cell.getName())), e);
}
}
return out;
}
public void put(RepositoryKey repo, CachedPackInfo info, WriteBuffer buffer)
throws DhtException {
CachedPackKey key = CachedPackKey.fromInfo(info);
table.put(repo.asBytes(),
colCachedPack.append(key.asBytes()),
info.toByteArray());
}
public void remove(RepositoryKey repo, CachedPackKey key, WriteBuffer buffer)
throws DhtException {
table.delete(repo.asBytes(), colCachedPack.append(key.asBytes()));
}
}