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
86
87
88
89
90
91
92
93
94
|
// Copyright 2014 The Bazel Authors. 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.skyframe;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Interner;
import com.google.devtools.build.lib.cmdline.RepositoryName;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.concurrent.BlazeInterners;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.vfs.RootedPath;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyValue;
/**
* This value represents the result of looking up all the packages under a given package path root,
* starting at a given directory.
*/
@Immutable
@ThreadSafe
public class RecursivePkgValue implements SkyValue {
@AutoCodec
static final RecursivePkgValue EMPTY =
new RecursivePkgValue(NestedSetBuilder.<String>emptySet(Order.STABLE_ORDER));
private final NestedSet<String> packages;
private RecursivePkgValue(NestedSet<String> packages) {
this.packages = packages;
}
static RecursivePkgValue create(NestedSetBuilder<String> packages) {
if (packages.isEmpty()) {
return EMPTY;
}
return new RecursivePkgValue(packages.build());
}
/** Create a transitive package lookup request. */
@ThreadSafe
public static Key key(
RepositoryName repositoryName,
RootedPath rootedPath,
ImmutableSet<PathFragment> excludedPaths) {
return Key.create(repositoryName, rootedPath, excludedPaths);
}
public NestedSet<String> getPackages() {
return packages;
}
@AutoCodec.VisibleForSerialization
@AutoCodec
static class Key extends RecursivePkgSkyKey {
private static final Interner<Key> interner = BlazeInterners.newWeakInterner();
private Key(
RepositoryName repositoryName,
RootedPath rootedPath,
ImmutableSet<PathFragment> excludedPaths) {
super(repositoryName, rootedPath, excludedPaths);
}
@AutoCodec.VisibleForSerialization
@AutoCodec.Instantiator
static Key create(
RepositoryName repositoryName,
RootedPath rootedPath,
ImmutableSet<PathFragment> excludedPaths) {
return interner.intern(new Key(repositoryName, rootedPath, excludedPaths));
}
@Override
public SkyFunctionName functionName() {
return SkyFunctions.RECURSIVE_PKG;
}
}
}
|
