1
|
/**
|
2
|
* '$RCSfile$'
|
3
|
* Purpose: A class which creates a instance of an IndexEventLog.
|
4
|
* Copyright: 2013 Regents of the University of California and the
|
5
|
* National Center for Ecological Analysis and Synthesis
|
6
|
* Authors: Leinfelder
|
7
|
*
|
8
|
* This program is free software; you can redistribute it and/or modify
|
9
|
* it under the terms of the GNU General Public License as published by
|
10
|
* the Free Software Foundation; either version 2 of the License, or
|
11
|
* (at your option) any later version.
|
12
|
*
|
13
|
* This program is distributed in the hope that it will be useful,
|
14
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
16
|
* GNU General Public License for more details.
|
17
|
*
|
18
|
* You should have received a copy of the GNU General Public License
|
19
|
* along with this program; if not, write to the Free Software
|
20
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
21
|
*/
|
22
|
package edu.ucsb.nceas.metacat.index.event;
|
23
|
|
24
|
import java.io.File;
|
25
|
import java.io.IOException;
|
26
|
import java.text.ParseException;
|
27
|
import java.text.SimpleDateFormat;
|
28
|
import java.util.ArrayList;
|
29
|
import java.util.Date;
|
30
|
import java.util.List;
|
31
|
|
32
|
import org.apache.commons.io.FileUtils;
|
33
|
import org.dataone.configuration.Settings;
|
34
|
import org.dataone.service.types.v1.Event;
|
35
|
import org.dataone.service.types.v1.Identifier;
|
36
|
|
37
|
import edu.ucsb.nceas.metacat.common.index.event.IndexEvent;
|
38
|
import edu.ucsb.nceas.metacat.index.DistributedMapsFactory;
|
39
|
|
40
|
|
41
|
/**
|
42
|
* @author leinfelder
|
43
|
*
|
44
|
*/
|
45
|
public class HazelcastIndexEventLog implements IndexEventLog {
|
46
|
|
47
|
|
48
|
private File lastProcessedDateFile = null;
|
49
|
private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
|
50
|
|
51
|
/**
|
52
|
* Constructor
|
53
|
* @throws IOException
|
54
|
*/
|
55
|
public HazelcastIndexEventLog() throws IOException {
|
56
|
String path = Settings.getConfiguration().getString("solr.homeDir");
|
57
|
if(path == null || path.trim().equals("")) {
|
58
|
path = System.getProperty("user.home");
|
59
|
}
|
60
|
File pathDir = new File(path);
|
61
|
lastProcessedDateFile = new File(pathDir, edu.ucsb.nceas.metacat.common.Settings.LASTPROCESSEDDATEFILENAME);
|
62
|
if(!lastProcessedDateFile.exists()) {
|
63
|
lastProcessedDateFile.createNewFile();
|
64
|
}
|
65
|
}
|
66
|
|
67
|
/* (non-Javadoc)
|
68
|
* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#write(edu.ucsb.nceas.metacat.index.event.IndexEvent)
|
69
|
*/
|
70
|
@Override
|
71
|
public void write(IndexEvent event) throws IndexEventLogException {
|
72
|
// write to the map
|
73
|
try {
|
74
|
DistributedMapsFactory.getIndexEventMap().put(event.getIdentifier(), event);
|
75
|
} catch (Exception e) {
|
76
|
throw new IndexEventLogException("Could not write to event map", e);
|
77
|
}
|
78
|
}
|
79
|
|
80
|
/* (non-Javadoc)
|
81
|
* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#remove(java.lang.String)
|
82
|
*/
|
83
|
@Override
|
84
|
public void remove(Identifier identifier) throws IndexEventLogException {
|
85
|
// remove from the map
|
86
|
try {
|
87
|
DistributedMapsFactory.getIndexEventMap().remove(identifier);
|
88
|
} catch (Exception e) {
|
89
|
throw new IndexEventLogException("Could not remove from event map", e);
|
90
|
}
|
91
|
|
92
|
}
|
93
|
|
94
|
/* (non-Javadoc)
|
95
|
* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#getEvents(int, org.dataone.service.types.v1.Identifier, java.util.Date, java.util.Date)
|
96
|
*/
|
97
|
@Override
|
98
|
public List<IndexEvent> getEvents(Event action, Identifier pid, Date start, Date end) throws IndexEventLogException {
|
99
|
try {
|
100
|
// TODO: query the map using the parameters
|
101
|
return new ArrayList<IndexEvent>(DistributedMapsFactory.getIndexEventMap().values());
|
102
|
} catch (Exception e) {
|
103
|
throw new IndexEventLogException("Could not remove from event map", e);
|
104
|
}
|
105
|
}
|
106
|
|
107
|
/* (non-Javadoc)
|
108
|
* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#getLastProcessDate()
|
109
|
*/
|
110
|
@Override
|
111
|
public Date getLastProcessDate() throws IndexEventLogException {
|
112
|
Date date = null;
|
113
|
try {
|
114
|
String dateStr = FileUtils.readFileToString(lastProcessedDateFile, "UTF-8");
|
115
|
if(dateStr != null && !dateStr.trim().equals("")) {
|
116
|
date = format.parse(dateStr);
|
117
|
}
|
118
|
} catch (IOException e) {
|
119
|
throw new IndexEventLogException("HazelcastIndexEventLog.getLastProcessedDate - couldn't read the last processed date :", e);
|
120
|
} catch (ParseException e) {
|
121
|
// TODO Auto-generated catch block
|
122
|
throw new IndexEventLogException("HazelcastIndexEventLog.getLastProcessedDate - couldn't read the last processed date since the content of file is not date :", e);
|
123
|
}
|
124
|
return date;
|
125
|
}
|
126
|
|
127
|
/* (non-Javadoc)
|
128
|
* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#setLastProcessDate(java.util.Date)
|
129
|
*/
|
130
|
@Override
|
131
|
public void setLastProcessDate(Date date) throws IndexEventLogException {
|
132
|
String dateStr = format.format(date);
|
133
|
try {
|
134
|
FileUtils.writeStringToFile(lastProcessedDateFile, dateStr, "UTF-8");
|
135
|
} catch (IOException e) {
|
136
|
// TODO Auto-generated catch block
|
137
|
throw new IndexEventLogException("HazelcastIndexEventLog.setLastProcessedDate - couldn't set the last processed date :", e);
|
138
|
}
|
139
|
|
140
|
}
|
141
|
|
142
|
}
|