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 /*
  * Copyright 2014 Groupon, Inc
  * Copyright 2014 The Billing Project, LLC
  *
  * The Billing Project licenses this file to you 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 org.killbill.commons.profiling;
public class Profiling<ReturnType> {
    private static final ThreadLocal<ProfilingDataperThreadProfilingData = new ThreadLocal<ProfilingData>();
    public interface WithProfilingCallback<ReturnType> {
        public <ExceptionType extends Throwable> ReturnType execute() throws ExceptionType;
    }
    public ReturnType executeWithProfiling(final ProfilingFeature.ProfilingFeatureType profilingTypefinal String profilingIdfinal WithProfilingCallback<ReturnType> callbackthrows Throwable {
        // Nothing to do
        final ProfilingData profilingData = Profiling.getPerThreadProfilingData();
        if (profilingData == null) {
            return callback.execute();
        }
        profilingData.addStart(profilingTypeprofilingId);
        try {
            return callback.execute();
        } finally {
            profilingData.addEnd(profilingTypeprofilingId);
        }
    }
    public static ProfilingData getPerThreadProfilingData() {
        return .get();
    }
    public static void setPerThreadProfilingData() {
        final ProfilingFeature profilingFeature = new ProfilingFeature();
        .set(new ProfilingData(profilingFeature));
    }
    public static void setPerThreadProfilingData(final String profileFeatures) {
        final ProfilingFeature profilingFeature = new ProfilingFeature(profileFeatures);
        .set(new ProfilingData(profilingFeature));
    }
    public static void resetPerThreadProfilingData() {
        .set(null);
    }
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