Source code

001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.wake.impl;
020
021import org.apache.reef.wake.EventHandler;
022import org.apache.reef.wake.time.event.StartTime;
023
024import javax.inject.Inject;
025import java.util.logging.Level;
026import java.util.logging.Logger;
027
028/**
029 * The EventHandler used as the default for the Clock.StartHandler event.
030 */
031public final class MissingStartHandlerHandler implements EventHandler<StartTime> {
032
033  @Inject
034  private MissingStartHandlerHandler() {
035  }
036
037  @Override
038  public void onNext(final StartTime value) {
039    Logger.getLogger(MissingStartHandlerHandler.class.toString())
040        .log(Level.WARNING,
041            "No binding to Clock.StartHandler. It is likely that the clock will immediately go idle and close.");
042  }
043}