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.time.runtime;
020
021import javax.inject.Inject;
022
023/**
024 * Logical timer.
025 */
026public final class LogicalTimer implements Timer {
027
028  private long current = 0;
029
030  @Inject
031  LogicalTimer() {
032  }
033
034  @Override
035  public long getCurrent() {
036    return this.current;
037  }
038
039  @Override
040  public long getDuration(final long time) {
041    isReady(time);
042    return 0;
043  }
044
045  @Override
046  public boolean isReady(final long time) {
047    if (this.current < time) {
048      this.current = time;
049    }
050    return true;
051  }
052
053}