1
|
/**
|
2
|
* '$RCSfile$'
|
3
|
* Purpose: A class that gets Accession Number, check for uniqueness
|
4
|
* and register it into db
|
5
|
* Copyright: 2000 Regents of the University of California and the
|
6
|
* National Center for Ecological Analysis and Synthesis
|
7
|
* Authors: Jivka Bojilova, Matt Jones
|
8
|
*
|
9
|
* '$Author: leinfelder $'
|
10
|
* '$Date: 2011-11-02 20:40:12 -0700 (Wed, 02 Nov 2011) $'
|
11
|
* '$Revision: 6595 $'
|
12
|
*
|
13
|
* This program is free software; you can redistribute it and/or modify
|
14
|
* it under the terms of the GNU General Public License as published by
|
15
|
* the Free Software Foundation; either version 2 of the License, or
|
16
|
* (at your option) any later version.
|
17
|
*
|
18
|
* This program is distributed in the hope that it will be useful,
|
19
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
20
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
21
|
* GNU General Public License for more details.
|
22
|
*
|
23
|
* You should have received a copy of the GNU General Public License
|
24
|
* along with this program; if not, write to the Free Software
|
25
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
26
|
*/
|
27
|
package edu.ucsb.nceas.metacat.index;
|
28
|
|
29
|
import java.io.InputStream;
|
30
|
import java.util.ArrayList;
|
31
|
import java.util.Date;
|
32
|
import java.util.List;
|
33
|
import java.util.Vector;
|
34
|
|
35
|
import org.apache.commons.logging.Log;
|
36
|
import org.apache.commons.logging.LogFactory;
|
37
|
import org.apache.solr.client.solrj.SolrServerException;
|
38
|
import org.dataone.client.MNode;
|
39
|
import org.dataone.configuration.Settings;
|
40
|
import org.dataone.service.exceptions.InvalidRequest;
|
41
|
import org.dataone.service.exceptions.InvalidToken;
|
42
|
import org.dataone.service.exceptions.NotAuthorized;
|
43
|
import org.dataone.service.exceptions.NotImplemented;
|
44
|
import org.dataone.service.exceptions.ServiceFailure;
|
45
|
import org.dataone.service.types.v1.Identifier;
|
46
|
import org.dataone.service.types.v1.ObjectInfo;
|
47
|
import org.dataone.service.types.v1.ObjectList;
|
48
|
import org.dataone.service.types.v1.SystemMetadata;
|
49
|
|
50
|
|
51
|
/**
|
52
|
* A class represents the object to generate massive solr indexes.
|
53
|
* This can happen during an update of Metacat (generating index for all existing documents)
|
54
|
* or regenerate index for those documents
|
55
|
* failing to build index during the insert or update.
|
56
|
*
|
57
|
* @author tao
|
58
|
*
|
59
|
*/
|
60
|
public class IndexGenerator implements Runnable {
|
61
|
|
62
|
private static final String HTTP = "http://";
|
63
|
private static final String MNAPPENDIX = "/d1/mn";
|
64
|
private SolrIndex solrIndex = null;
|
65
|
private SystemMetadataEventListener systemMetadataListener = null;
|
66
|
private Log log = LogFactory.getLog(IndexGenerator.class);
|
67
|
private MNode mNode = null;
|
68
|
|
69
|
/**
|
70
|
* Constructor
|
71
|
* @param solrIndex
|
72
|
* @param systemMetadataListener
|
73
|
*/
|
74
|
public IndexGenerator(SolrIndex solrIndex, SystemMetadataEventListener systemMetadataListener) {
|
75
|
this.solrIndex = solrIndex;
|
76
|
this.systemMetadataListener = systemMetadataListener;
|
77
|
this.mNode = new MNode(buildMNBaseURL());
|
78
|
}
|
79
|
|
80
|
/**
|
81
|
* Build the index for all documents in Metacat without overwriting.
|
82
|
* @throws SolrServerException
|
83
|
* @throws ServiceFailure
|
84
|
* @throws NotImplemented
|
85
|
* @throws NotAuthorized
|
86
|
* @throws InvalidToken
|
87
|
* @throws InvalidRequest
|
88
|
*/
|
89
|
public void indexAll() throws InvalidRequest, InvalidToken, NotAuthorized,
|
90
|
NotImplemented, ServiceFailure, SolrServerException {
|
91
|
boolean force = false;
|
92
|
indexAll(force);
|
93
|
}
|
94
|
|
95
|
/**
|
96
|
* Build the index for all documents. If force is true, the existed index for documents
|
97
|
* will be overwritten.
|
98
|
* @param force
|
99
|
* @throws SolrServerException
|
100
|
* @throws ServiceFailure
|
101
|
* @throws NotImplemented
|
102
|
* @throws NotAuthorized
|
103
|
* @throws InvalidToken
|
104
|
* @throws InvalidRequest
|
105
|
*/
|
106
|
public void indexAll(boolean force) throws InvalidRequest, InvalidToken,
|
107
|
NotAuthorized, NotImplemented, ServiceFailure, SolrServerException {
|
108
|
Date since = null;
|
109
|
Date until = null;
|
110
|
index(since, until, force);
|
111
|
}
|
112
|
|
113
|
/**
|
114
|
* Build the index for the docs which have been modified since the specified date.
|
115
|
* @param since
|
116
|
* @param force
|
117
|
* @throws SolrServerException
|
118
|
* @throws ServiceFailure
|
119
|
* @throws NotImplemented
|
120
|
* @throws NotAuthorized
|
121
|
* @throws InvalidToken
|
122
|
* @throws InvalidRequest
|
123
|
*/
|
124
|
public void index(Date since, boolean force) throws InvalidRequest, InvalidToken,
|
125
|
NotAuthorized, NotImplemented, ServiceFailure, SolrServerException {
|
126
|
Date until = null;
|
127
|
index(since, until, force);
|
128
|
}
|
129
|
|
130
|
/**
|
131
|
* Build the index for the docs which have been modified between the specified date.s
|
132
|
* @param since
|
133
|
* @param until
|
134
|
* @param force
|
135
|
* @throws SolrServerException
|
136
|
* @throws ServiceFailure
|
137
|
* @throws NotImplemented
|
138
|
* @throws NotAuthorized
|
139
|
* @throws InvalidToken
|
140
|
* @throws InvalidRequest
|
141
|
*/
|
142
|
public void index(Date since, Date until, boolean force) throws SolrServerException, InvalidRequest,
|
143
|
InvalidToken, NotAuthorized, NotImplemented, ServiceFailure {
|
144
|
List<String> solrIds = null;
|
145
|
List<String> metacatIds = null;
|
146
|
if(!force) {
|
147
|
solrIds = getSolrDocIds();
|
148
|
}
|
149
|
log.info("the solr ids -----------------------------"+solrIds);
|
150
|
metacatIds = getMetadataIds(since, until);
|
151
|
log.info("the metacat ids -----------------------------"+metacatIds);
|
152
|
if(metacatIds != null) {
|
153
|
for(String metacatId : metacatIds) {
|
154
|
if(metacatId != null) {
|
155
|
boolean buildIndex = true;
|
156
|
if(!force && solrIds != null && solrIds.contains(metacatId)) {
|
157
|
//solr already indexs the id and we don't force it to rebuild it, so set the buildIndex to be false
|
158
|
buildIndex = false;
|
159
|
}
|
160
|
if(buildIndex) {
|
161
|
try {
|
162
|
generateIndex(metacatId);
|
163
|
} catch (Exception e) {
|
164
|
log.error("IndexGenerator.index - Metacat Index couldn't generate the index for the id - "+metacatId+" because "+e.getMessage());
|
165
|
}
|
166
|
|
167
|
}
|
168
|
}
|
169
|
}
|
170
|
}
|
171
|
}
|
172
|
|
173
|
public void run() {
|
174
|
try {
|
175
|
indexAll();
|
176
|
} catch (InvalidRequest e) {
|
177
|
// TODO Auto-generated catch block
|
178
|
//e.printStackTrace();
|
179
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
180
|
} catch (InvalidToken e) {
|
181
|
// TODO Auto-generated catch block
|
182
|
//e.printStackTrace();
|
183
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
184
|
} catch (NotAuthorized e) {
|
185
|
// TODO Auto-generated catch block
|
186
|
//e.printStackTrace();
|
187
|
} catch (NotImplemented e) {
|
188
|
// TODO Auto-generated catch block
|
189
|
//e.printStackTrace();
|
190
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
191
|
} catch (ServiceFailure e) {
|
192
|
// TODO Auto-generated catch block
|
193
|
//e.printStackTrace();
|
194
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
195
|
} catch (SolrServerException e) {
|
196
|
// TODO Auto-generated catch block
|
197
|
//e.printStackTrace();
|
198
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
199
|
}
|
200
|
}
|
201
|
|
202
|
/*
|
203
|
* Get the indexed ids list from the solr server.
|
204
|
* An empty list will be returned if there is no ids.
|
205
|
*/
|
206
|
private List<String> getSolrDocIds() throws SolrServerException {
|
207
|
List<String> ids = solrIndex.getSolrIds();
|
208
|
return ids;
|
209
|
}
|
210
|
|
211
|
/*
|
212
|
* Get the ids of the metacat. If since and util are null, it will return all of them
|
213
|
*/
|
214
|
private List<String> getMetadataIds(Date since, Date until) throws InvalidRequest,
|
215
|
InvalidToken, NotAuthorized, NotImplemented, ServiceFailure {
|
216
|
List<String> ids = new ArrayList();
|
217
|
ObjectList objects = null;
|
218
|
if(since == null && until == null) {
|
219
|
objects = mNode.listObjects();
|
220
|
} else {
|
221
|
objects = mNode.listObjects(since, until, null, true, 0, Integer.MAX_VALUE);
|
222
|
}
|
223
|
if(objects != null) {
|
224
|
List<ObjectInfo> objectInfoList = objects.getObjectInfoList();
|
225
|
if(objectInfoList != null) {
|
226
|
for(ObjectInfo info : objectInfoList) {
|
227
|
if(info != null) {
|
228
|
Identifier identifier = info.getIdentifier();
|
229
|
if(identifier != null && identifier.getValue() != null && !identifier.getValue().equals("")) {
|
230
|
ids.add(identifier.getValue());
|
231
|
}
|
232
|
}
|
233
|
}
|
234
|
}
|
235
|
}
|
236
|
return ids;
|
237
|
}
|
238
|
|
239
|
/*
|
240
|
* Build up the mn base url
|
241
|
*/
|
242
|
private String buildMNBaseURL() {
|
243
|
String url = HTTP+Settings.getConfiguration().getString("server.name")+":"+
|
244
|
Settings.getConfiguration().getString("server.httpPort")+"/"+
|
245
|
Settings.getConfiguration().getString("application.context")+MNAPPENDIX;
|
246
|
log.info("IndexGenerator.buildMNBaseURL - the base url of MNode is "+url);
|
247
|
return url;
|
248
|
}
|
249
|
|
250
|
|
251
|
/*
|
252
|
* Generate index for the id.
|
253
|
*/
|
254
|
private void generateIndex(String id) throws Exception {
|
255
|
if(id != null) {
|
256
|
SystemMetadata sysmeta = systemMetadataListener.getSystemMetadata(id);
|
257
|
if(sysmeta != null) {
|
258
|
InputStream data = systemMetadataListener.getDataObject(id);
|
259
|
Identifier obsolete = sysmeta.getObsoletes();
|
260
|
List<String> obsoleteChain = null;
|
261
|
if(obsolete != null) {
|
262
|
obsoleteChain = systemMetadataListener.getObsoletes(id);
|
263
|
}
|
264
|
solrIndex.update(id, obsoleteChain, sysmeta, data);
|
265
|
} else {
|
266
|
throw new Exception("IndexGenerator.generate - there is no found SystemMetadata associated with the id "+id);
|
267
|
}
|
268
|
|
269
|
}
|
270
|
}
|
271
|
}
|