com.stratio.cassandra.lucene.util.Tracer.scala Maven / Gradle / Ivy
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/*
* Copyright (C) 2014 Stratio (http://stratio.com)
*
* 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.stratio.cassandra.lucene.util
import org.apache.cassandra.tracing.{Tracing => Tracer}
/** Wrapper for [[Tracer]] avoiding test environment failures.
*
* @author Andres de la Pena `[email protected]`
*/
final class Tracer extends Logging {
/** If Cassandra tracing is enabled. */
lazy val canTrace: Boolean = try {
Tracer.isTracing
true
} catch {
case e: Error =>
logger.warn(s"Unable to trace: ${e.getMessage}", e)
false
}
/** Traces the specified string message.
*
* @param message the message to be traced
*/
def trace(message: => String) = if (canTrace && Tracer.isTracing) Tracer.trace(message)
}