DfsObjectToPack.java

/*
 * Copyright (C) 2011, Google Inc. and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0 which is available at
 * https://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package org.eclipse.jgit.internal.storage.dfs;

import org.eclipse.jgit.internal.storage.pack.ObjectToPack;
import org.eclipse.jgit.internal.storage.pack.StoredObjectRepresentation;
import org.eclipse.jgit.lib.AnyObjectId;

/** {@link ObjectToPack} for {@link DfsObjDatabase}. */
class DfsObjectToPack extends ObjectToPack {
    private static final int FLAG_FOUND = 1 << 0;

    /** Pack to reuse compressed data from, otherwise null. */
    DfsPackFile pack;

    /** Offset of the object's header in {@link #pack}. */
    long offset;

    /** Length of the data section of the object. */
    long length;

    DfsObjectToPack(AnyObjectId src, int type) {
        super(src, type);
    }

    final boolean isFound() {
        return isExtendedFlag(FLAG_FOUND);
    }

    final void setFound() {
        setExtendedFlag(FLAG_FOUND);
    }

    /** {@inheritDoc} */
    @Override
    protected void clearReuseAsIs() {
        super.clearReuseAsIs();
        pack = null;
    }

    /** {@inheritDoc} */
    @Override
    public void select(StoredObjectRepresentation ref) {
        DfsObjectRepresentation ptr = (DfsObjectRepresentation) ref;
        this.pack = ptr.pack;
        this.offset = ptr.offset;
        this.length = ptr.length;
    }
}