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Elasticsearch subproject :test:framework

There is a newer version: 9.0.2

/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */
package org.elasticsearch.index.seqno;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

public class RetentionLeaseUtils {

    private RetentionLeaseUtils() {
        // only static methods
    }

    /**
     * A utility method to convert a retention lease collection to a map from retention lease ID to retention lease and exclude
     * the automatically-added peer-recovery retention leases
     *
     * @param retentionLeases the retention lease collection
     * @return the map from retention lease ID to retention lease
     */
    public static Map toMapExcludingPeerRecoveryRetentionLeases(final RetentionLeases retentionLeases) {
        return retentionLeases.leases()
            .stream()
            .filter(l -> ReplicationTracker.PEER_RECOVERY_RETENTION_LEASE_SOURCE.equals(l.source()) == false)
            .collect(Collectors.toMap(RetentionLease::id, Function.identity(), (o1, o2) -> {
                throw new AssertionError("unexpectedly merging " + o1 + " and " + o2);
            }, LinkedHashMap::new));
    }
}