|
1
|
package eu.dnetlib.openaire.directindex.api;
|
|
2
|
|
|
3
|
import java.io.StringReader;
|
|
4
|
import java.util.Iterator;
|
|
5
|
import java.util.List;
|
|
6
|
|
|
7
|
import com.mongodb.*;
|
|
8
|
import com.mongodb.client.model.IndexOptions;
|
|
9
|
import eu.dnetlib.miscutils.datetime.DateUtils;
|
|
10
|
import org.apache.commons.logging.Log;
|
|
11
|
import org.apache.commons.logging.LogFactory;
|
|
12
|
import org.dom4j.io.SAXReader;
|
|
13
|
import org.springframework.beans.factory.annotation.Required;
|
|
14
|
|
|
15
|
/**
|
|
16
|
* Created by michele on 11/11/15.
|
|
17
|
*/
|
|
18
|
public class RecentResultsQueue implements Iterable<String> {
|
|
19
|
|
|
20
|
private static final Log log = LogFactory.getLog(RecentResultsQueue.class);
|
|
21
|
|
|
22
|
private DB db;
|
|
23
|
private String collection;
|
|
24
|
|
|
25
|
public void init() {
|
|
26
|
if (!db.collectionExists(collection)) {
|
|
27
|
log.info(String.format("creating collection %s", collection));
|
|
28
|
db.createCollection(collection, new BasicDBObject());
|
|
29
|
}
|
|
30
|
db.getCollection(collection).createIndex(new BasicDBObject("id", 1), new BasicDBObject("background", true));
|
|
31
|
}
|
|
32
|
|
|
33
|
@Override
|
|
34
|
public Iterator<String> iterator() {
|
|
35
|
|
|
36
|
final DBCursor cursor = db.getCollection(collection).find();
|
|
37
|
|
|
38
|
return new Iterator<String>() {
|
|
39
|
|
|
40
|
@Override
|
|
41
|
public boolean hasNext() {
|
|
42
|
return cursor.hasNext();
|
|
43
|
}
|
|
44
|
|
|
45
|
@Override
|
|
46
|
public String next() {
|
|
47
|
final DBObject obj = cursor.next();
|
|
48
|
return ((obj != null) && obj.containsField("record")) ? obj.get("record").toString() : "";
|
|
49
|
}
|
|
50
|
|
|
51
|
@Override
|
|
52
|
public void remove() {
|
|
53
|
throw new RuntimeException("NOT IMPLEMENTED");
|
|
54
|
}
|
|
55
|
};
|
|
56
|
}
|
|
57
|
|
|
58
|
synchronized public void add(final String oaf) throws Exception {
|
|
59
|
final String id = (new SAXReader()).read(new StringReader(oaf)).valueOf("//*[local-name() = 'objIdentifier']");
|
|
60
|
|
|
61
|
log.info("Saving record " + id + " in db: " + db.getName() + ", coll: " + collection);
|
|
62
|
|
|
63
|
final DBCollection coll = db.getCollection(collection);
|
|
64
|
final DBObject obj = BasicDBObjectBuilder.start()
|
|
65
|
.append("id", id)
|
|
66
|
.append("record", oaf)
|
|
67
|
.append("date", DateUtils.now())
|
|
68
|
.get();
|
|
69
|
coll.update(new BasicDBObject("id", id), obj, true, false);
|
|
70
|
}
|
|
71
|
|
|
72
|
public void remove(final List<String> list) {
|
|
73
|
final DBCollection coll = db.getCollection(collection);
|
|
74
|
for (final String id : list) {
|
|
75
|
coll.remove(new BasicDBObject("id", id));
|
|
76
|
}
|
|
77
|
}
|
|
78
|
|
|
79
|
public void remove(final String... ids) {
|
|
80
|
final DBCollection coll = db.getCollection(collection);
|
|
81
|
for (final String id : ids) {
|
|
82
|
coll.remove(new BasicDBObject("id", id));
|
|
83
|
}
|
|
84
|
}
|
|
85
|
|
|
86
|
public DB getDb() {
|
|
87
|
return db;
|
|
88
|
}
|
|
89
|
|
|
90
|
@Required
|
|
91
|
public void setDb(final DB db) {
|
|
92
|
this.db = db;
|
|
93
|
}
|
|
94
|
|
|
95
|
public String getCollection() {
|
|
96
|
return collection;
|
|
97
|
}
|
|
98
|
|
|
99
|
@Required
|
|
100
|
public void setCollection(final String collection) {
|
|
101
|
this.collection = collection;
|
|
102
|
}
|
|
103
|
}
|