1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
|
|
17 |
|
package org.apache.camel.bam; |
18 |
|
|
19 |
|
import org.apache.camel.Exchange; |
20 |
|
import org.apache.camel.Processor; |
21 |
|
import org.apache.camel.bam.model.ActivityState; |
22 |
|
import org.apache.camel.bam.model.ProcessInstance; |
23 |
|
import org.apache.camel.builder.FromBuilder; |
24 |
|
import org.apache.camel.builder.ProcessorFactory; |
25 |
|
import org.apache.camel.impl.DefaultExchange; |
26 |
|
import org.apache.camel.util.Time; |
27 |
|
import org.apache.commons.logging.Log; |
28 |
|
import org.apache.commons.logging.LogFactory; |
29 |
|
|
30 |
|
import java.util.Date; |
31 |
0 |
|
32 |
0 |
|
33 |
0 |
|
34 |
0 |
|
35 |
|
|
36 |
|
|
37 |
|
public class TemporalRule { |
38 |
0 |
private static final transient Log log = LogFactory.getLog(TemporalRule.class); |
39 |
|
private TimeExpression first; |
40 |
|
private TimeExpression second; |
41 |
|
private long expectedMillis; |
42 |
|
private long overdueMillis; |
43 |
|
private Processor overdueAction; |
44 |
|
private ProcessorFactory overdueProcessorFactory; |
45 |
|
|
46 |
0 |
public TemporalRule(TimeExpression left, TimeExpression right) { |
47 |
0 |
this.first = left; |
48 |
0 |
this.second = right; |
49 |
0 |
} |
50 |
|
|
51 |
|
public TemporalRule expectWithin(Time builder) { |
52 |
0 |
return expectWithin(builder.toMillis()); |
53 |
|
} |
54 |
|
|
55 |
|
public TemporalRule expectWithin(long millis) { |
56 |
0 |
expectedMillis = millis; |
57 |
0 |
return this; |
58 |
|
} |
59 |
|
|
60 |
|
public FromBuilder errorIfOver(Time builder) { |
61 |
0 |
return errorIfOver(builder.toMillis()); |
62 |
0 |
} |
63 |
|
|
64 |
|
public FromBuilder errorIfOver(long millis) { |
65 |
0 |
overdueMillis = millis; |
66 |
|
|
67 |
0 |
FromBuilder builder = new FromBuilder(second.getBuilder().getProcessBuilder(), null); |
68 |
0 |
overdueProcessorFactory = builder; |
69 |
0 |
return builder; |
70 |
|
} |
71 |
|
|
72 |
|
public TimeExpression getFirst() { |
73 |
0 |
return first; |
74 |
|
} |
75 |
|
|
76 |
|
public TimeExpression getSecond() { |
77 |
0 |
return second; |
78 |
|
} |
79 |
|
|
80 |
|
public void evaluate(ProcessContext context, ActivityState activityState) { |
81 |
0 |
ProcessInstance instance = context.getProcessInstance(); |
82 |
|
|
83 |
0 |
Date firstTime = first.evaluateState(instance); |
84 |
0 |
if (firstTime == null) { |
85 |
|
|
86 |
0 |
return; |
87 |
|
} |
88 |
|
|
89 |
|
|
90 |
|
|
91 |
|
|
92 |
|
|
93 |
0 |
ActivityState secondState = second.getActivityState(instance); |
94 |
0 |
if (expectedMillis > 0L) { |
95 |
0 |
Date expected = secondState.getTimeExpected(); |
96 |
0 |
if (expected == null) { |
97 |
0 |
expected = add(firstTime, expectedMillis); |
98 |
0 |
secondState.setTimeExpected(expected); |
99 |
|
} |
100 |
|
} |
101 |
0 |
if (overdueMillis > 0L) { |
102 |
0 |
Date overdue = secondState.getTimeOverdue(); |
103 |
0 |
if (overdue == null) { |
104 |
0 |
overdue = add(firstTime, overdueMillis); |
105 |
0 |
secondState.setTimeOverdue(overdue); |
106 |
|
} |
107 |
|
} |
108 |
|
|
109 |
0 |
Date secondTime = second.evaluateState(instance); |
110 |
0 |
if (secondTime == null) { |
111 |
|
|
112 |
|
} |
113 |
|
else { |
114 |
|
|
115 |
|
|
116 |
|
|
117 |
|
|
118 |
|
|
119 |
|
|
120 |
|
} |
121 |
0 |
} |
122 |
|
|
123 |
|
public void processExpired(ActivityState activityState) throws Exception { |
124 |
0 |
if (overdueAction == null && overdueProcessorFactory != null) { |
125 |
0 |
overdueAction = overdueProcessorFactory.createProcessor(); |
126 |
|
} |
127 |
0 |
if (overdueAction != null) { |
128 |
0 |
Date now = new Date(); |
129 |
0 |
ProcessInstance instance = activityState.getProcess(); |
130 |
0 |
ActivityState secondState = second.getActivityState(instance); |
131 |
0 |
Date overdue = secondState.getTimeOverdue(); |
132 |
0 |
if (now.compareTo(overdue) >= 0) { |
133 |
0 |
Exchange exchange = createExchange(); |
134 |
0 |
exchange.getIn().setBody(activityState); |
135 |
0 |
overdueAction.process(exchange); |
136 |
0 |
} |
137 |
|
else { |
138 |
0 |
log.warn("Process has not actually expired; the time is: " + now + " but the overdue time is: " + overdue); |
139 |
|
} |
140 |
|
} |
141 |
0 |
} |
142 |
|
|
143 |
|
protected Exchange createExchange() { |
144 |
0 |
return new DefaultExchange(second.getBuilder().getProcessBuilder().getContext()); |
145 |
|
} |
146 |
|
|
147 |
|
|
148 |
|
|
149 |
|
|
150 |
|
|
151 |
|
|
152 |
|
|
153 |
|
|
154 |
|
protected Date add(Date date, long millis) { |
155 |
0 |
return new Date(date.getTime() + millis); |
156 |
|
} |
157 |
|
|
158 |
|
|
159 |
|
|
160 |
|
|
161 |
|
|
162 |
|
|
163 |
|
|
164 |
|
|
165 |
|
|
166 |
|
|
167 |
|
|
168 |
|
|
169 |
|
|
170 |
|
} |