fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMComponentFileReferences.java

/*
 * Copyright 2009-2012 by The Regents of the University of California
 * Licensed 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 from
 * 
 *     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.
 */

package edu.uci.ics.hyracks.storage.am.lsm.common.impls;

import edu.uci.ics.hyracks.api.io.FileReference;

public final class LSMComponentFileReferences {

    // The FileReference for the index that is used for inserting records of the component. For instance, this will be the FileReference of the RTree in one component of the LSM-RTree.
    private final FileReference insertIndexFileReference;
    // This FileReference for the delete index (if any). For example, this will be the the FileReference of the buddy BTree in one component of the LSM-RTree.
    private final FileReference deleteIndexFileReference;

    // This FileReference for the bloom filter (if any). 
    private final FileReference bloomFilterFileReference;

    public LSMComponentFileReferences(FileReference insertIndexFileReference, FileReference deleteIndexFileReference,
            FileReference bloomFilterFileReference) {
        this.insertIndexFileReference = insertIndexFileReference;
        this.deleteIndexFileReference = deleteIndexFileReference;
        this.bloomFilterFileReference = bloomFilterFileReference;
    }

    public FileReference getInsertIndexFileReference() {
        return insertIndexFileReference;
    }

    public FileReference getDeleteIndexFileReference() {
        return deleteIndexFileReference;
    }

    public FileReference getBloomFilterFileReference() {
        return bloomFilterFileReference;
    }
}