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/*
* Copyright (C) 2009, Christian Halstrick <christian.halstrick@sap.com>
* Copyright (C) 2009, Google Inc.
* Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2006-2008, 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.lib;
import static java.util.zip.Deflater.DEFAULT_COMPRESSION;
import static org.eclipse.jgit.lib.ObjectLoader.STREAM_THRESHOLD;
import org.eclipse.jgit.lib.Config.SectionParser;
/**
* This class keeps git repository core parameters.
*/
public class CoreConfig {
/** Key for {@link Config#get(SectionParser)}. */
public static final Config.SectionParser<CoreConfig> KEY = new SectionParser<CoreConfig>() {
public CoreConfig parse(final Config cfg) {
return new CoreConfig(cfg);
}
};
private final int compression;
private final int packIndexVersion;
private final boolean logAllRefUpdates;
private final int streamFileThreshold;
private CoreConfig(final Config rc) {
compression = rc.getInt("core", "compression", DEFAULT_COMPRESSION);
packIndexVersion = rc.getInt("pack", "indexversion", 2);
logAllRefUpdates = rc.getBoolean("core", "logallrefupdates", true);
long maxMem = Runtime.getRuntime().maxMemory();
long sft = rc.getLong("core", null, "streamfilethreshold", STREAM_THRESHOLD);
sft = Math.min(sft, maxMem / 4); // don't use more than 1/4 of the heap
sft = Math.min(sft, Integer.MAX_VALUE); // cannot exceed array length
streamFileThreshold = (int) sft;
}
/**
* @return The compression level to use when storing loose objects
*/
public int getCompression() {
return compression;
}
/**
* @return the preferred pack index file format; 0 for oldest possible.
* @see org.eclipse.jgit.transport.IndexPack
*/
public int getPackIndexVersion() {
return packIndexVersion;
}
/**
* @return whether to log all refUpdates
*/
public boolean isLogAllRefUpdates() {
return logAllRefUpdates;
}
/** @return the size threshold beyond which objects must be streamed. */
public int getStreamFileThreshold() {
return streamFileThreshold;
}
}
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