/* * 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; } }