2 * Copyright 2005 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.wamblee.crawler.kiss;
22 public class TimeInterval {
27 public TimeInterval(Time aBegin, Time aEnd) {
32 public Time getBegin() {
36 public Time getEnd() {
41 * @see java.lang.Object#toString()
44 public String toString() {
45 return _begin + " - " + _end;
49 * Determines if there is an overlap between the current interval and given one.
51 * @param aInterval Interval to compare with.
52 * @return True iff there is overlap
54 public boolean overlap(TimeInterval aInterval) {
56 if ( isUncertain() || aInterval.isUncertain()) {
57 // Optimistic assume there is no overlap if one of the intervals is uncertain.
61 if ( _end.asFloat() <= aInterval._begin.asFloat() ||
62 aInterval._end.asFloat() <= _begin.asFloat() ) {
70 * Determines if the actual time that the program corresponds to is uncertain due to
71 * the representation of a period of more than 24 hours using a 24 hour clock.
72 * @return True iff the interval is uncertain.
74 boolean isUncertain() {
75 return _begin.asFloat() > _end.asFloat();