/* 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;

/** SortExternal for Blobs.
 */

class Lucy::Util::BlobSortEx
    inherits Lucy::Util::SortExternal {

    Vector   *external;
    uint32_t  external_tick;
    uint32_t  mem_consumed;

    inert BlobSortEx*
    new(uint32_t mem_thresh = 0x1000000, Vector *external = NULL);

    inert BlobSortEx*
    init(BlobSortEx *self, uint32_t mem_thresh = 0x1000000,
        Vector *external = NULL);

    void
    Feed(BlobSortEx *self, decremented Obj *item);

    void
    Flush(BlobSortEx *self);

    uint32_t
    Refill(BlobSortEx *self);

    void
    Clear_Buffer(BlobSortEx *self);

    void
    Flip(BlobSortEx *self);

    int
    Compare(BlobSortEx *self, Obj **ptr_a, Obj **ptr_b);

    incremented Vector*
    Peek_Cache(BlobSortEx *self);

    incremented nullable Obj*
    Peek_Last(BlobSortEx *self);

    uint32_t
    Get_Num_Runs(BlobSortEx *self);

    public void
    Destroy(BlobSortEx *self);
}