htrace-core4/src/main/java/org/apache/htrace/core/StandardOutSpanReceiver.java

/*
 * 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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.IOException;

/**
 * Used for testing. Simply prints to standard out any spans it receives.
 */
public class StandardOutSpanReceiver extends SpanReceiver {
  private static final Log LOG = LogFactory.getLog(StandardOutSpanReceiver.class);

  public StandardOutSpanReceiver(HTraceConfiguration conf) {
    LOG.trace("Created new StandardOutSpanReceiver.");
  }

  @Override
  public void receiveSpan(Span span) {
    System.out.println(span);
  }

  @Override
  public void close() throws IOException {
  }
}