/
CoreClient.java
165 lines (140 loc) · 6.19 KB
/
CoreClient.java
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.coreedge.catchup.storecopy.edge;
import java.io.IOException;
import java.io.Serializable;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import org.neo4j.coreedge.catchup.tx.edge.PullRequestMonitor;
import org.neo4j.coreedge.server.AdvertisedSocketAddress;
import org.neo4j.coreedge.catchup.RequestMessageType;
import org.neo4j.coreedge.catchup.tx.edge.TxPullResponseListener;
import org.neo4j.coreedge.catchup.tx.edge.TxStreamCompleteListener;
import org.neo4j.coreedge.server.Expiration;
import org.neo4j.coreedge.server.SenderService;
import org.neo4j.coreedge.catchup.tx.edge.TxPullRequest;
import org.neo4j.coreedge.catchup.tx.edge.TxPullResponse;
import org.neo4j.coreedge.server.ExpiryScheduler;
import org.neo4j.helpers.Listeners;
import org.neo4j.kernel.lifecycle.LifecycleAdapter;
import org.neo4j.kernel.monitoring.Monitors;
import org.neo4j.logging.LogProvider;
public abstract class CoreClient extends LifecycleAdapter implements StoreFileReceiver, StoreFileStreamingCompleteListener,
TxStreamCompleteListener, TxPullResponseListener
{
private final PullRequestMonitor pullRequestMonitor;
private StoreFileStreams storeFileStreams = null;
private Iterable<StoreFileStreamingCompleteListener> storeFileStreamingCompleteListeners = Listeners.newListeners();
private Iterable<TxStreamCompleteListener> txStreamCompleteListeners = Listeners.newListeners();
private Iterable<TxPullResponseListener> txPullResponseListeners = Listeners.newListeners();
private SenderService senderService;
public CoreClient( LogProvider logProvider, ExpiryScheduler expiryScheduler, Expiration expiration,
ChannelInitializer<SocketChannel> channelInitializer, Monitors monitors, int maxQueueSize )
{
this.senderService = new SenderService( expiryScheduler, expiration, channelInitializer, logProvider,
monitors, maxQueueSize );
this.pullRequestMonitor = monitors.newMonitor( PullRequestMonitor.class );
}
public void requestStore( AdvertisedSocketAddress from )
{
GetStoreRequest getStoreRequest = new GetStoreRequest();
send( from, RequestMessageType.STORE, getStoreRequest );
}
public void pollForTransactions( AdvertisedSocketAddress from, long lastTransactionId )
{
TxPullRequest txPullRequest = new TxPullRequest( lastTransactionId );
send( from, RequestMessageType.TX_PULL_REQUEST, txPullRequest );
pullRequestMonitor.txPullRequest( lastTransactionId );
}
private void send( AdvertisedSocketAddress to, RequestMessageType messageType, Serializable contentMessage )
{
senderService.send( to, messageType, contentMessage );
}
@Override
public void start() throws Throwable
{
senderService.start();
}
@Override
public void stop() throws Throwable
{
senderService.stop();
}
public void addTxPullResponseListener( TxPullResponseListener listener )
{
txPullResponseListeners = Listeners.addListener( listener, txPullResponseListeners );
}
public void removeTxPullResponseListener( TxPullResponseListener listener )
{
txPullResponseListeners = Listeners.removeListener( listener, txPullResponseListeners );
}
public void addStoreFileStreamingCompleteListener( StoreFileStreamingCompleteListener listener )
{
storeFileStreamingCompleteListeners = Listeners.addListener( listener, storeFileStreamingCompleteListeners );
}
public void removeStoreFileStreamingCompleteListener( StoreFileStreamingCompleteListener listener )
{
storeFileStreamingCompleteListeners = Listeners.removeListener( listener, storeFileStreamingCompleteListeners );
}
@Override
public StoreFileStreams getStoreFileStreams()
{
return storeFileStreams;
}
public void setStoreFileStreams( StoreFileStreams storeFileStreams )
{
this.storeFileStreams = storeFileStreams;
}
@Override
public void onFileStreamingComplete( final long lastCommittedTxBeforeStoreCopy )
{
Listeners.notifyListeners( storeFileStreamingCompleteListeners,
listener -> listener.onFileStreamingComplete( lastCommittedTxBeforeStoreCopy ) );
}
@Override
public void onTxStreamingComplete( final long lastTransactionId )
{
Listeners.notifyListeners( txStreamCompleteListeners,
listener -> listener.onTxStreamingComplete( lastTransactionId ) );
}
@Override
public void onTxReceived( final TxPullResponse tx ) throws IOException
{
Listeners.notifyListeners( txPullResponseListeners,
listener -> {
try
{
listener.onTxReceived( tx );
}
catch ( IOException e )
{
throw new RuntimeException( e );
}
} );
}
public void addTxStreamCompleteListener( TxStreamCompleteListener listener )
{
txStreamCompleteListeners = Listeners.addListener( listener, txStreamCompleteListeners );
}
public void removeTxStreamCompleteListener( TxStreamCompleteListener listener )
{
txStreamCompleteListeners = Listeners.removeListener( listener, txStreamCompleteListeners );
}
}