/** * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file * distributed with this work for additional information regarding copyright ownership. Apereo * licenses this file to you 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 the * following location: * * <p>http://www.apache.org/licenses/LICENSE-2.0 * * <p>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 org.apereo.portal.concurrency.locking; import org.apereo.portal.IPortalInfoProvider; /** Options available when getting a lock */ public final class LockOptions { private long lastRunDelay = 0; private long serverBiasDelay = 0; /** Create a new LockOptions */ public static LockOptions builder() { return new LockOptions(); } /** * If set to a value greater than 0 the service will not attempt to acquire the lock if it was * last held within the last lastRunDelay milliseconds. <br> * Useful for rate-limiting work that happens within a lock across a cluster. */ public LockOptions lastRunDelay(long lastRunDelay) { this.lastRunDelay = lastRunDelay; return this; } /** * If set to a value greater than 0 the service will not attempt to acquire the lock if it was * last held by a different server within the last serverBiasDelay milliseconds. <br> * Useful for biasing work that happens within a lock to run on the same server on each * successive run. <br> * Different Server is defined using {@link IPortalInfoProvider#getUniqueServerName()} */ public LockOptions serverBiasDelay(long serverBiasDelay) { this.serverBiasDelay = serverBiasDelay; return this; } /** @see #lastRunDelay(long) */ public long getLastRunDelay() { return lastRunDelay; } /** @see #lastRunDelay(long) */ public void setLastRunDelay(long lastRunDelay) { this.lastRunDelay = lastRunDelay; } /** @see #serverBiasDelay(long) */ public long getServerBiasDelay() { return serverBiasDelay; } /** @see #serverBiasDelay(long) */ public void setServerBiasDelay(long serverBiasDelay) { this.serverBiasDelay = serverBiasDelay; } }