// 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.profiler;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableMap;
import java.util.Map;
/** An object that can record time statistics about an object. */
public interface StatRecorder {
/** Add a new time statistic for the object {@code obj}. */
void addStat(int duration, Object obj);
/** True if it has not recorded any statistic */
boolean isEmpty();
/** A collection of heuristics for VFS kind of stats in order to detect the filesystem type. */
final class VfsHeuristics {
private VfsHeuristics() {}
static Map<String, ? extends Predicate<? super String>> vfsTypeHeuristics =
ImmutableMap.of(
"blaze-out", Predicates.containsPattern("/blaze-out/"),
"source", Predicates.<CharSequence>alwaysTrue());
public static void setVfsTypeHeuristics(Map<String, ? extends Predicate<? super String>> map) {
vfsTypeHeuristics = map;
}
}
}