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
|
// Copyright 2015 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.query2;
import com.google.common.base.Predicate;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.events.EventHandler;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.packages.Target;
import com.google.devtools.build.lib.pkgcache.PackageProvider;
import com.google.devtools.build.lib.pkgcache.PathPackageLocator;
import com.google.devtools.build.lib.pkgcache.TargetPatternEvaluator;
import com.google.devtools.build.lib.pkgcache.TransitivePackageLoader;
import com.google.devtools.build.lib.query2.engine.QueryEnvironment.QueryFunction;
import com.google.devtools.build.lib.query2.engine.QueryEnvironment.Setting;
import com.google.devtools.build.lib.query2.engine.QueryExpressionEvalListener;
import com.google.devtools.build.lib.util.Preconditions;
import com.google.devtools.build.skyframe.WalkableGraph.WalkableGraphFactory;
import java.util.List;
import java.util.Set;
import javax.annotation.Nullable;
/** A factory that creates instances of {@code AbstractBlazeQueryEnvironment<Target>}. */
public class QueryEnvironmentFactory {
/** Creates an appropriate {@link AbstractBlazeQueryEnvironment} based on the given options. */
public AbstractBlazeQueryEnvironment<Target> create(
TransitivePackageLoader transitivePackageLoader, WalkableGraphFactory graphFactory,
PackageProvider packageProvider,
TargetPatternEvaluator targetPatternEvaluator, boolean keepGoing, boolean strictScope,
boolean orderedResults, List<String> universeScope, int loadingPhaseThreads,
Predicate<Label> labelFilter,
EventHandler eventHandler, Set<Setting> settings, Iterable<QueryFunction> functions,
QueryExpressionEvalListener<Target> evalListener,
@Nullable PathPackageLocator packagePath) {
Preconditions.checkNotNull(universeScope);
if (canUseSkyQuery(orderedResults, universeScope, packagePath, strictScope, labelFilter)) {
return new SkyQueryEnvironment(
keepGoing,
loadingPhaseThreads,
eventHandler,
settings,
functions,
evalListener,
targetPatternEvaluator.getOffset(),
graphFactory,
universeScope,
packagePath);
} else {
return new BlazeQueryEnvironment(transitivePackageLoader, packageProvider,
targetPatternEvaluator, keepGoing, strictScope, loadingPhaseThreads, labelFilter,
eventHandler, settings, functions, evalListener);
}
}
protected static boolean canUseSkyQuery(
boolean orderedResults,
List<String> universeScope,
@Nullable PathPackageLocator packagePath,
boolean strictScope,
Predicate<Label> labelFilter) {
return !orderedResults
&& !universeScope.isEmpty()
&& packagePath != null
&& strictScope
&& labelFilter == Rule.ALL_LABELS;
}
}
|