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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

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/*
 * 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.cassandra.repair;

import java.io.IOException;
import java.util.Collection;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;

import org.apache.cassandra.dht.Range;
import org.apache.cassandra.dht.Token;

/**
 * Table level hook for repair
 */
public interface TableRepairManager
{
    /**
     * Return a validation iterator for the given parameters. If isIncremental is true, the iterator must only include
     * data previously isolated for repair with the given parentId. nowInSec should determine whether tombstones shouldn
     * be purged or not.
     */
    ValidationPartitionIterator getValidationIterator(Collection> ranges, UUID parentId, UUID sessionID, boolean isIncremental, int nowInSec) throws IOException;

    /**
     * Begin execution of the given validation callable. Which thread pool a validation should run in is an implementation detail.
     */
    Future submitValidation(Callable