| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 |
| * |
| * 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 org.apache.activemq.broker.scheduler; |
| |
| import java.util.List; |
| import org.apache.kahadb.util.ByteSequence; |
| |
| public interface JobScheduler { |
| |
| /** |
| * @return the name of the scheduler |
| * @throws Exception |
| */ |
| public abstract String getName() throws Exception; |
| /** |
| * Add a Job listener |
| * @param l |
| * @throws Exception |
| */ |
| public abstract void addListener(JobListener l) throws Exception; |
| /** |
| * remove a JobListener |
| * @param l |
| * @throws Exception |
| */ |
| public abstract void removeListener(JobListener l) throws Exception; |
| |
| /** |
| * Add a job to be scheduled |
| * @param jobId a unique identifier for the job |
| * @param payload the message to be sent when the job is scheduled |
| * @param delay the time in milliseconds before the job will be run |
| * @throws Exception |
| */ |
| public abstract void schedule(String jobId, ByteSequence payload,long delay) throws Exception; |
| |
| /** |
| * Add a job to be scheduled |
| * @param jobId a unique identifier for the job |
| * @param payload the message to be sent when the job is scheduled |
| * @param cronEntry - cron entry |
| * @throws Exception |
| */ |
| public abstract void schedule(String jobId, ByteSequence payload,String cronEntry) throws Exception; |
| |
| |
| /** |
| * Add a job to be scheduled |
| * @param jobId a unique identifier for the job |
| * @param payload the message to be sent when the job is scheduled |
| * @param cronEntry - cron entry |
| * @param delay time in ms to wait before scheduling |
| * @param period the time in milliseconds between successive executions of the Job |
| * @param repeat the number of times to execute the job - less than 0 will be repeated forever |
| * @throws Exception |
| */ |
| public abstract void schedule(String jobId, ByteSequence payload,String cronEntry,long delay, long period, int repeat) throws Exception; |
| |
| /** |
| * remove all jobs scheduled to run at this time |
| * @param time |
| * @throws Exception |
| */ |
| public abstract void remove(long time) throws Exception; |
| |
| /** |
| * remove a job with the matching jobId |
| * @param jobId |
| * @throws Exception |
| */ |
| public abstract void remove(String jobId) throws Exception; |
| |
| /** |
| * remove all the Jobs from the scheduler |
| * @throws Exception |
| */ |
| public abstract void removeAllJobs() throws Exception; |
| |
| /** |
| * remove all the Jobs from the scheduler that are due between the start and finish times |
| * @param start time in milliseconds |
| * @param finish time in milliseconds |
| * @throws Exception |
| */ |
| public abstract void removeAllJobs(long start,long finish) throws Exception; |
| |
| |
| |
| /** |
| * Get the next time jobs will be fired |
| * @return the time in milliseconds |
| * @throws Exception |
| */ |
| public abstract long getNextScheduleTime() throws Exception; |
| |
| /** |
| * Get all the jobs scheduled to run next |
| * @return a list of jobs that will be scheduled next |
| * @throws Exception |
| */ |
| public abstract List<Job> getNextScheduleJobs() throws Exception; |
| |
| /** |
| * Get all the outstanding Jobs |
| * @return a list of all jobs |
| * @throws Exception |
| */ |
| public abstract List<Job> getAllJobs() throws Exception; |
| |
| /** |
| * Get all outstanding jobs due to run between start and finish |
| * @param start |
| * @param finish |
| * @return a list of jobs |
| * @throws Exception |
| */ |
| public abstract List<Job> getAllJobs(long start,long finish)throws Exception; |
| |
| } |