1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
*
* 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.qpid.server.protocol;
import java.util.Collection;
import java.util.UUID;
import java.util.concurrent.ConcurrentSkipListSet;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.server.logging.LogSubject;
import org.apache.qpid.server.model.Consumer;
import org.apache.qpid.server.model.Session;
import org.apache.qpid.server.queue.AMQQueue;
import org.apache.qpid.server.util.Deletable;
/**
* Session model interface.
* Extends {@link Comparable} to allow objects to be inserted into a {@link ConcurrentSkipListSet}
* when monitoring the blocking and blocking of queues/sessions in {@link AMQQueue}.
*/
public interface AMQSessionModel<T extends AMQSessionModel<T,C>, C extends AMQConnectionModel<C,T>> extends Comparable<AMQSessionModel>, Deletable<T>
{
public UUID getId();
public C getConnectionModel();
public String getClientID();
public void close();
public void close(AMQConstant cause, String message);
public LogSubject getLogSubject();
/**
* This method is called from the housekeeping thread to check the status of
* transactions on this session and react appropriately.
*
* If a transaction is open for too long or idle for too long then a warning
* is logged or the connection is closed, depending on the configuration. An open
* transaction is one that has recent activity. The transaction age is counted
* from the time the transaction was started. An idle transaction is one that
* has had no activity, such as publishing or acknowledging messages.
*
* @param openWarn time in milliseconds before alerting on open transaction
* @param openClose time in milliseconds before closing connection with open transaction
* @param idleWarn time in milliseconds before alerting on idle transaction
* @param idleClose time in milliseconds before closing connection with idle transaction
*/
public void checkTransactionStatus(long openWarn, long openClose, long idleWarn, long idleClose);
void block(AMQQueue queue);
void unblock(AMQQueue queue);
void block();
void unblock();
boolean getBlocking();
Object getConnectionReference();
int getUnacknowledgedMessageCount();
Long getTxnCount();
Long getTxnStart();
Long getTxnCommits();
Long getTxnRejects();
int getChannelId();
int getConsumerCount();
Collection<Consumer<?>> getConsumers();
void addConsumerListener(ConsumerListener listener);
void removeConsumerListener(ConsumerListener listener);
void setModelObject(Session<?> session);
Session<?> getModelObject();
/**
* Return the time the current transaction started.
*
* @return the time this transaction started or 0 if not in a transaction
*/
long getTransactionStartTime();
/**
* Return the time of the last activity on the current transaction.
*
* @return the time of the last activity or 0 if not in a transaction
*/
long getTransactionUpdateTime();
}
|
