package com.palantir.atlasdb.keyvalue.partition.endpoint;

import java.util.UUID;

import com.google.common.base.Preconditions;
import com.palantir.atlasdb.keyvalue.partition.PartitionedKeyValueConstants;

public class KeyValueEndpoints {
    private KeyValueEndpoints() {
    }

    public static String makeUniqueRackIfNoneSpecified(String rack) {
        if (PartitionedKeyValueConstants.NO_RACK.equals(rack)) {
            return UUID.randomUUID().toString();
        }
        return Preconditions.checkNotNull(rack);
    }
}

/**
 * Copyright 2015 Palantir Technologies
 *
 * Licensed under the BSD-3 License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://opensource.org/licenses/BSD-3-Clause
 *
 * 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 com.palantir.atlasdb.keyvalue.partition.endpoint;

import java.util.UUID;

import com.google.common.base.Preconditions;
import com.palantir.atlasdb.keyvalue.partition.PartitionedKeyValueConstants;

public class KeyValueEndpoints {
    private KeyValueEndpoints() {
    }

    public static String makeUniqueRackIfNoneSpecified(String rack) {
        if (PartitionedKeyValueConstants.NO_RACK.equals(rack)) {
            return UUID.randomUUID().toString();
        }
        return Preconditions.checkNotNull(rack);
    }
}

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