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 public class TimeInterval {
35 * Construts the interval.
42 public TimeInterval(Time aBegin, Time aEnd) {
48 * Gets the begin time.
52 public Time getBegin() {
61 public Time getEnd() {
68 * @see java.lang.Object#toString()
71 public String toString() {
72 return _begin + " - " + _end;
76 * Determines if there is an overlap between the current interval and given
80 * Interval to compare with.
81 * @return True iff there is overlap
83 public boolean overlap(TimeInterval aInterval) {
85 if (isUncertain() || aInterval.isUncertain()) {
86 // Optimistic assume there is no overlap if one of the intervals is
91 if (_end.asFloat() <= aInterval._begin.asFloat()
92 || aInterval._end.asFloat() <= _begin.asFloat()) {
100 * Determines if the actual time that the program corresponds to is
101 * uncertain due to the representation of a period of more than 24 hours
102 * using a 24 hour clock.
104 * @return True iff the interval is uncertain.
106 boolean isUncertain() {
107 return _begin.asFloat() > _end.asFloat();
113 * @see java.lang.Object#equals(java.lang.Object)j
116 public boolean equals(Object aObject) {
117 if (!(aObject instanceof TimeInterval)) {
120 return aObject.toString().equals(aObject.toString());
126 * @see java.lang.Object#hashCode()
129 public int hashCode() {
130 return _begin.hashCode();