modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/checkpoint/CheckpointPagesInfoHolder.java

/*
 * 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.
 */

package org.apache.ignite.internal.processors.cache.persistence.checkpoint;

import java.util.Collection;
import java.util.Map;
import org.apache.ignite.internal.pagemem.FullPageId;
import org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryEx;
import org.apache.ignite.internal.util.GridMultiCollectionWrapper;

/**
 * Snapshot of dirty pages which should be stored to disk.
 */
public class CheckpointPagesInfoHolder {
    /** Total pages count in cp. */
    private final int pagesNum;

    /** Collection of pages per PageMemory distribution. */
    private final Collection<Map.Entry<PageMemoryEx, GridMultiCollectionWrapper<FullPageId>>> cpPages;

    /** */
    CheckpointPagesInfoHolder(
        Collection<Map.Entry<PageMemoryEx, GridMultiCollectionWrapper<FullPageId>>> pages,
        int num) {
        cpPages = pages;
        pagesNum = num;
    }

    /** Total pages count in cp. */
    int pagesNum() {
        return pagesNum;
    }

    /** Collection of pages per PageMemory distribution. */
    Collection<Map.Entry<PageMemoryEx, GridMultiCollectionWrapper<FullPageId>>> cpPages() {
        return cpPages;
    }
}