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.guide;
22 * @author Erik Brakkee
24 public class TimeInterval {
37 * Construts the interval.
44 public TimeInterval(Time aBegin, Time aEnd) {
50 * Gets the begin time.
54 public Time getBegin() {
63 public Time getEnd() {
70 * @see java.lang.Object#toString()
73 public String toString() {
74 return _begin + " - " + _end;
78 * Determines if there is an overlap between the current interval and given
82 * Interval to compare with.
83 * @return True iff there is overlap
85 public boolean overlap(TimeInterval aInterval) {
87 if (isUncertain() || aInterval.isUncertain()) {
88 // Optimistic assume there is no overlap if one of the intervals is
93 if (_end.asFloat() <= aInterval._begin.asFloat()
94 || aInterval._end.asFloat() <= _begin.asFloat()) {
102 * Determines if the actual time that the program corresponds to is
103 * uncertain due to the representation of a period of more than 24 hours
104 * using a 24 hour clock.
106 * @return True iff the interval is uncertain.
108 boolean isUncertain() {
109 return _begin.asFloat() > _end.asFloat();
115 * @see java.lang.Object#equals(java.lang.Object)j
118 public boolean equals(Object aObject) {
119 if (!(aObject instanceof TimeInterval)) {
122 return aObject.toString().equals(aObject.toString());
128 * @see java.lang.Object#hashCode()
131 public int hashCode() {
132 return _begin.hashCode();