com.google.devtools.build.lib.exec.LocalActionLogging.java Source code

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Here is the source code for com.google.devtools.build.lib.exec.LocalActionLogging.java

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// Copyright 2015 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.exec;

import com.google.common.base.Preconditions;
import com.google.devtools.build.lib.actions.ActionMetadata;
import com.google.devtools.build.lib.util.BlazeClock;

import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;

/**
 * Utility class for logging time of locally executed actions.
 */
class LocalActionLogging {

    private static final Logger LOG = Logger.getLogger(LocalActionLogging.class.getName());

    private final ActionMetadata action;
    private final long startTime;
    private boolean isRunning = true;

    LocalActionLogging(ActionMetadata action) {
        this.action = action;
        startTime = BlazeClock.nanoTime();
        LOG.info("Started to run " + action.prettyPrint());
    }

    void finish() {
        Preconditions.checkState(isRunning, action);
        isRunning = false;
        LOG.info("Finished running " + action.prettyPrint() + " in "
                + TimeUnit.NANOSECONDS.toMillis(BlazeClock.nanoTime() - startTime) + "ms");
    }
}