| /* |
| * Copyright 2016 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.idea.blaze.base.trace; |
| |
| import com.google.idea.blaze.base.scope.BlazeContext; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Trace context utility class that can be used with try-with-resource. |
| */ |
| public class TraceContext implements AutoCloseable { |
| @NotNull BlazeContext context; |
| @NotNull String name; |
| |
| public TraceContext(@NotNull BlazeContext context, @NotNull String name) { |
| this.context = context; |
| this.name = name; |
| context.output(new TraceEvent(name, TraceEvent.Type.Begin)); |
| } |
| |
| @Override |
| public void close() { |
| context.output(new TraceEvent(name, TraceEvent.Type.End)); |
| } |
| } |