NoteBucket.java

/*
 * Copyright (C) 2010, 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
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package org.eclipse.jgit.notes;

import java.io.IOException;
import java.util.Iterator;

import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.lib.ObjectReader;

/**
 * A tree that stores note objects.
 *
 * @see FanoutBucket
 * @see LeafBucket
 */
abstract class NoteBucket {
    abstract Note getNote(AnyObjectId objId, ObjectReader reader)
            throws IOException;

    abstract Iterator<Note> iterator(AnyObjectId objId, ObjectReader reader)
            throws IOException;

    abstract int estimateSize(AnyObjectId noteOn, ObjectReader or)
            throws IOException;

    abstract InMemoryNoteBucket set(AnyObjectId noteOn, AnyObjectId noteData,
            ObjectReader reader) throws IOException;

    abstract ObjectId writeTree(ObjectInserter inserter) throws IOException;

    abstract ObjectId getTreeId();
}