/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.id.generator.self.fixture;
import com.dangdang.ddframe.rdb.sharding.id.generator.self.CommonSelfIdGenerator;
import com.dangdang.ddframe.rdb.sharding.id.generator.self.time.AbstractClock;
import lombok.RequiredArgsConstructor;
import java.util.concurrent.atomic.AtomicInteger;
@RequiredArgsConstructor
public class FixClock extends AbstractClock {
private final int expectedInvokedTimes;
private final AtomicInteger invokedTimes = new AtomicInteger();
private long current = CommonSelfIdGenerator.SJDBC_EPOCH;
@Override
public long millis() {
if (invokedTimes.getAndIncrement() < expectedInvokedTimes) {
return current;
}
invokedTimes.set(0);
return ++current;
}
}