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ToTimeUUIDMin.java
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ToTimeUUIDMin.java
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/*
* Copyright (c) 2022 nosqlbench
*
* Licensed 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 io.nosqlbench.datamappers.functions.long_uuid;
import com.datastax.oss.driver.api.core.uuid.Uuids;
import io.nosqlbench.virtdata.api.annotations.Categories;
import io.nosqlbench.virtdata.api.annotations.Category;
import io.nosqlbench.virtdata.api.annotations.ThreadSafeMapper;
import java.util.UUID;
import java.util.function.LongFunction;
/**
* Converts a long timestamp in epoch millis form into a Version 1 TimeUUID
* according to <a href="https://www.ietf.org/rfc/rfc4122.txt">RFC 4122</a>.
* This form uses {@link Uuids#startOf(long)}
*/
@Categories({Category.datetime})
@ThreadSafeMapper
public class ToTimeUUIDMin implements LongFunction<UUID> {
@Override
public UUID apply(long value) {
return Uuids.startOf(value);
}
}