core/Lucy/Store/RAMFolder.cfh

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

parcel Lucy;

/** In-memory Folder implementation.
 *
 * RAMFolder is an entirely in-memory implementation of
 * L<Lucy::Store::Folder>, primarily used for testing and development.
 */

class Lucy::Store::RAMFolder inherits Lucy::Store::Folder {

    inert incremented RAMFolder*
    new(const CharBuf *path = NULL);

    /**
     * @param path Relative path, used for subfolders.
     */
    public inert RAMFolder*
    init(RAMFolder *self, const CharBuf *path = NULL);

    public void
    Initialize(RAMFolder *self);

    public bool_t
    Check(RAMFolder *self);

    public void
    Close(RAMFolder *self);

    incremented nullable FileHandle*
    Local_Open_FileHandle(RAMFolder *self, const CharBuf *name, uint32_t flags);

    incremented nullable DirHandle*
    Local_Open_Dir(RAMFolder *self);

    bool_t
    Local_MkDir(RAMFolder *self, const CharBuf *name);

    bool_t
    Local_Exists(RAMFolder *self, const CharBuf *name);

    bool_t
    Local_Is_Directory(RAMFolder *self, const CharBuf *name);

    nullable Folder*
    Local_Find_Folder(RAMFolder *self, const CharBuf *name);

    bool_t
    Local_Delete(RAMFolder *self, const CharBuf *name);

    public bool_t
    Rename(RAMFolder *self, const CharBuf* from, const CharBuf *to);

    public bool_t
    Hard_Link(RAMFolder *self, const CharBuf *from, const CharBuf *to);
}