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1   /*
2    * Copyright (c) 2005, London e-Science Centre, Imperial College London, UK
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
6    *
7    * - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
8    * - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
9    * - Neither the name of the London e-Science Centre nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
10   *
11   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
12   */
13  package org.icenigrid.gridsam.core.plugin;
14  
15  import java.text.ParseException;
16  
17  import org.icenigrid.gridsam.core.JobInstance;
18  import org.icenigrid.gridsam.core.JobManagerException;
19  
20  /**
21   * Context interface for DRMConnector to take advantage of services provided by
22   * the JobManager
23   */
24  public interface JobManagerContext {
25  
26      /**
27       * get the named DRMConnector from the context
28       * 
29       * @param pName
30       *            the name of the DRMConnector to retrieve
31       * @return DRMConnector the DRMConnector associated with the name, or null
32       *         if the it is not found
33       */
34      public DRMConnector getDRMConnector(String pName);
35  
36      /**
37       * get the job instance store
38       * 
39       * @return String the schedule identifier, which can be used to unschedule
40       *         the execution
41       * 
42       * @return JobInstanceStore
43       */
44      public JobInstanceStore getJobInstanceStore();
45  
46      /**
47       * schedule the given DRMConnector for immediate execution in this job
48       * context for the given job
49       * 
50       * @param pJobInstance
51       *            the job instance to run through the DRMConnector
52       * @param pConnector
53       *            the DRMConnector
54       * @throws org.icenigrid.gridsam.core.JobManagerException
55       *             if the DRMConnector cannot be scheduled
56       */
57      public void schedule(JobInstance pJobInstance, DRMConnector pConnector)
58              throws JobManagerException;
59  
60      /**
61       * schedule the given named DRMConnector for immediate execution in this job
62       * context for the given job
63       * 
64       * @param pJobInstance
65       *            the job instance to run through the DRMConnector
66       * @param pConnectorName
67       *            the name of the DRMConnector resolvable by the context
68       * @throws JobManagerException
69       *             if the DRMConnector cannot be scheduled
70       */
71      public void schedule(JobInstance pJobInstance, String pConnectorName)
72              throws JobManagerException;
73  
74      /**
75       * schedule the given DRMConnector for repeated execution in this job
76       * context for the given job
77       * 
78       * @param pJobInstance
79       *            the job instance to run through the DRMConnector
80       * @param pConnector
81       *            the DRMConnector
82       * @param pRepeatInterval
83       *            the period between repeated execution
84       * @throws JobManagerException
85       *             if the DRMConnector cannot be scheduled
86       */
87      public void schedule(JobInstance pJobInstance, DRMConnector pConnector,
88              long pRepeatInterval) throws JobManagerException;
89  
90      /**
91       * schedule the given named DRMConnector for immediate execution in this job
92       * context for the given job
93       * 
94       * @param pJobInstance
95       *            the job instance to run through the DRMConnector
96       * @param pConnectorName
97       *            the name of the DRMConnector resolvable by the context
98       * @param pRepeatInterval
99       *            the period between repeated execution
100      * @throws JobManagerException
101      *             if the DRMConnector cannot be scheduled
102      */
103     public void schedule(JobInstance pJobInstance, String pConnectorName,
104             long pRepeatInterval) throws JobManagerException;
105 
106     /**
107      * schedule the given DRMConnector for repeated execution in this job
108      * context for the given job
109      * 
110      * @param pJobInstance
111      *            the job instance to run through the DRMConnector
112      * @param pConnector
113      *            the DRMConnector
114      * @param pCronExpression
115      *            the CRON job expression to specify the schedule
116      * @throws java.text.ParseException
117      *             if the cron expression is invalid
118      * @throws JobManagerException
119      *             if the DRMConnector cannot be scheduled
120      */
121     public void schedule(JobInstance pJobInstance, DRMConnector pConnector,
122             String pCronExpression) throws ParseException, JobManagerException;
123 
124     /**
125      * schedule the given named DRMConnector for immediate execution in this job
126      * context for the given job
127      * 
128      * @param pJobInstance
129      *            the job instance to run through the DRMConnector
130      * @param pConnectorName
131      *            the name of the DRMConnector resolvable by the context
132      * @param pCronExpression
133      *            the CRON job expression to specify the schedule
134      * @throws ParseException
135      *             if the cron expression is invalid
136      * @throws JobManagerException
137      *             if the DRMConnector cannot be scheduled
138      */
139     public void schedule(JobInstance pJobInstance, String pConnectorName,
140             String pCronExpression) throws ParseException, JobManagerException;
141 
142     /**
143      * get the DRMConnector that has been added by the schedule operations to be
144      * scheduled immediately. Otherwise they will be scheduled by the managing
145      * system at a convenient time.
146      */
147     public void scheduleImmediately() throws JobManagerException;
148 
149     /**
150      * unschedule the currently executing DRMConnector task this context is
151      * associated with. No further execution of this recurrent DRMConnector will
152      * be executed.
153      */
154     public void unschedule();
155 
156 }