io.nosqlbench.virtdata.library.random.Murmur3Time Maven / Gradle / Ivy
/*
* 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.virtdata.library.random;
import io.nosqlbench.virtdata.murmur.Murmur3F;
import java.util.function.LongUnaryOperator;
/**
* A generator that is mostly useless, except for testing useless generators.
* This is used as a control for the concurrent generation tester.
*/
public class Murmur3Time implements LongUnaryOperator {
private final Murmur3F murmur3F = new Murmur3F(Thread.currentThread().getName().hashCode());
@Override
public long applyAsLong(long operand) {
murmur3F.updateLongLE(System.nanoTime());
return murmur3F.getValue();
}
}