1
|
package eu.dnetlib.data.collector;
|
2
|
|
3
|
import java.util.Iterator;
|
4
|
|
5
|
/**
|
6
|
* Created by Alessia Bardi on 10/04/17.
|
7
|
*
|
8
|
* Use this class instead of plain Iterator<String> when implementing new plugins in order to avoid problems when collecting while clicking on the workflow history.
|
9
|
*
|
10
|
* @author Alessia Bardi
|
11
|
*/
|
12
|
public abstract class ThreadSafeIterator implements Iterator<String> {
|
13
|
|
14
|
@Override
|
15
|
public boolean hasNext() {
|
16
|
return doHasNext();
|
17
|
}
|
18
|
|
19
|
@Override
|
20
|
public synchronized String next() {
|
21
|
return doNext();
|
22
|
}
|
23
|
|
24
|
public abstract boolean doHasNext();
|
25
|
public abstract String doNext();
|
26
|
|
27
|
@Override
|
28
|
public void remove() {
|
29
|
throw new UnsupportedOperationException();
|
30
|
}
|
31
|
}
|