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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.index.deletionpolicy;

import org.elasticsearch.common.lease.Releasable;
import org.elasticsearch.common.lease.Releasables;

import java.util.Iterator;
import java.util.List;

/**
 * Represents a snapshot view of several commits. Provides a way to iterate over
 * them as well as a simple method to release all of them.
 *
 *
 */
public class SnapshotIndexCommits implements Iterable, Releasable {

    private final List commits;

    public SnapshotIndexCommits(List commits) {
        this.commits = commits;
    }

    public int size() {
        return commits.size();
    }

    @Override
    public Iterator iterator() {
        return commits.iterator();
    }

    @Override
    public void close() {
        Releasables.close(commits);
    }
}