/*
 * Copyright (C) 2009, Google Inc.
 * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> 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.revwalk;

import java.io.IOException;

import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;

Filters out commits marked RevWalk.UNINTERESTING. 
 This generator is only in front of another generator that has fully buffered commits, such that we are called only after the PendingGenerator has exhausted its input queue and given up. It skips over any uninteresting commits that may have leaked out of the PendingGenerator due to clock skew being detected in the commit objects. /**
 * Filters out commits marked {@link RevWalk#UNINTERESTING}.
 * <p>
 * This generator is only in front of another generator that has fully buffered
 * commits, such that we are called only after the {@link PendingGenerator} has
 * exhausted its input queue and given up. It skips over any uninteresting
 * commits that may have leaked out of the PendingGenerator due to clock skew
 * being detected in the commit objects.
 */
final class FixUninterestingGenerator extends Generator {
	private final Generator pending;

	FixUninterestingGenerator(Generator g) {
		super(g.firstParent);
		pending = g;
	}

	@Override
	int outputType() {
		return pending.outputType();
	}

	@Override
	RevCommit next() throws MissingObjectException,
			IncorrectObjectTypeException, IOException {
		for (;;) {
			final RevCommit c = pending.next();
			if (c == null)
				return null;
			if ((c.flags & RevWalk.UNINTERESTING) == 0)
				return c;
		}
	}
}