/*
 * 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.servicecomb.foundation.common.log;

import java.util.Collections;
import java.util.Iterator;

import org.slf4j.Marker;

public abstract class AbstractMarker implements Marker {
  private static final long serialVersionUID = -1L;

  @Override
  public void add(Marker reference) {

  }

  @Override
  public boolean remove(Marker reference) {
    return false;
  }

  @Deprecated
  @Override
  public boolean hasChildren() {
    return false;
  }

  @Override
  public boolean hasReferences() {
    return false;
  }

  @SuppressWarnings("unchecked")
  @Override
  public Iterator<Marker> iterator() {
    return Collections.EMPTY_LIST.iterator();
  }

  @Override
  public boolean contains(Marker other) {
    return false;
  }

  @Override
  public boolean contains(String name) {
    return false;
  }

  @Override
  public String toString() {
    return getName();
  }
}
