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/*
* 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;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectIdOwnerMap;
/**
* Base object type accessed during revision walking.
*/
public abstract class RevObject extends ObjectIdOwnerMap.Entry {
static final int PARSED = 1;
int flags;
RevObject(AnyObjectId name) {
super(name);
}
abstract void parseHeaders(RevWalk walk) throws MissingObjectException,
IncorrectObjectTypeException, IOException;
abstract void parseBody(RevWalk walk) throws MissingObjectException,
IncorrectObjectTypeException, IOException;
/**
* Get Git object type. See {@link org.eclipse.jgit.lib.Constants}.
*
* @return object type
*/
public abstract int getType();
/**
* Get the name of this object.
*
* @return unique hash of this object.
*/
public final ObjectId getId() {
return this;
}
/**
* Test to see if the flag has been set on this object.
*
* @param flag
* the flag to test.
* @return true if the flag has been added to this object; false if not.
*/
public final boolean has(RevFlag flag) {
return (flags & flag.mask) != 0;
}
/**
* Test to see if any flag in the set has been set on this object.
*
* @param set
* the flags to test.
* @return true if any flag in the set has been added to this object; false
* if not.
*/
public final boolean hasAny(RevFlagSet set) {
return (flags & set.mask) != 0;
}
/**
* Test to see if all flags in the set have been set on this object.
*
* @param set
* the flags to test.
* @return true if all flags of the set have been added to this object;
* false if some or none have been added.
*/
public final boolean hasAll(RevFlagSet set) {
return (flags & set.mask) == set.mask;
}
/**
* Add a flag to this object.
* <p>
* If the flag is already set on this object then the method has no effect.
*
* @param flag
* the flag to mark on this object, for later testing.
*/
public final void add(RevFlag flag) {
flags |= flag.mask;
}
/**
* Add a set of flags to this object.
*
* @param set
* the set of flags to mark on this object, for later testing.
*/
public final void add(RevFlagSet set) {
flags |= set.mask;
}
/**
* Remove a flag from this object.
* <p>
* If the flag is not set on this object then the method has no effect.
*
* @param flag
* the flag to remove from this object.
*/
public final void remove(RevFlag flag) {
flags &= ~flag.mask;
}
/**
* Remove a set of flags from this object.
*
* @param set
* the flag to remove from this object.
*/
public final void remove(RevFlagSet set) {
flags &= ~set.mask;
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder s = new StringBuilder();
s.append(Constants.typeString(getType()));
s.append(' ');
s.append(name());
s.append(' ');
appendCoreFlags(s);
return s.toString();
}
/**
* Append a debug description of core RevFlags to a buffer.
*
* @param s
* buffer to append a debug description of core RevFlags onto.
*/
protected void appendCoreFlags(StringBuilder s) {
s.append((flags & RevWalk.TOPO_DELAY) != 0 ? 'o' : '-');
s.append((flags & RevWalk.TEMP_MARK) != 0 ? 't' : '-');
s.append((flags & RevWalk.REWRITE) != 0 ? 'r' : '-');
s.append((flags & RevWalk.UNINTERESTING) != 0 ? 'u' : '-');
s.append((flags & RevWalk.SEEN) != 0 ? 's' : '-');
s.append((flags & RevWalk.PARSED) != 0 ? 'p' : '-');
}
}
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