blob: e8cc57ae4b055a0fee73d45ab8a9dbb43a1e9be2 (
plain)
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
|
// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.events;
import com.google.common.collect.Iterables;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;
/**
* An {@link EventHandler} that collects all events it encounters, and makes
* them available via the {@link Iterable} interface. The collected events
* contain not just the original event information but also the location
* context.
*/
public class EventCollector extends AbstractEventHandler implements Iterable<Event> {
private final Collection<Event> collected;
/**
* This collector will collect all events that match the event mask.
*/
public EventCollector(Set<EventKind> mask) {
this(mask, new ArrayList<Event>());
}
/**
* This collector will save the Event instances in the provided
* collection.
*/
public EventCollector(Set<EventKind> mask, Collection<Event> collected) {
super(mask);
this.collected = collected;
}
/**
* Implements {@link EventHandler#handle(Event)}.
*/
@Override
public void handle(Event event) {
if (getEventMask().contains(event.getKind())) {
collected.add(event);
}
}
/**
* Returns an iterator over the collected events.
*/
@Override
public Iterator<Event> iterator() {
return collected.iterator();
}
/**
* Returns the number of events collected.
*/
public int count() {
return collected.size();
}
/*
* Clears the collected events
*/
public void clear() {
collected.clear();
}
@Override
public String toString() {
return "EventCollector: " + Iterables.toString(collected);
}
}
|
