org.apache.hudi.org.apache.htrace.core.TraceCallable Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.htrace.core;
import java.util.concurrent.Callable;
/**
* Wrap a Callable with a Span that survives a change in threads.
*/
public class TraceCallable implements Callable {
private final Tracer tracer;
private final Callable impl;
private final SpanId parentId;
private final String description;
public TraceCallable(Tracer tracer, SpanId parentId, Callable impl,
String description) {
this.tracer = tracer;
this.impl = impl;
this.parentId = parentId;
this.description = description;
}
@Override
public V call() throws Exception {
String description = this.description;
if (description == null) {
description = Thread.currentThread().getName();
}
try (TraceScope chunk = tracer.newScope(description, parentId)) {
return impl.call();
}
}
public Callable getImpl() {
return impl;
}
}