/*
* Copyright (c) 2005-2011 Grameen Foundation USA
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
* See also http://www.apache.org/licenses/LICENSE-2.0.html for an
* explanation of the license and how it is applied.
*/
package org.mifos.accounts.savings.interest.schedule.internal;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.joda.time.LocalDate;
import org.mifos.accounts.savings.interest.schedule.InterestScheduledEvent;
/**
* I represent an {@link InterestScheduledEvent} that occurs every number of days.
*/
public class DailyInterestScheduledEvent implements InterestScheduledEvent {
private final int every;
public DailyInterestScheduledEvent(int every) {
this.every = every;
}
@Override
public LocalDate nextMatchingDateFromAlreadyMatchingDate(LocalDate validMatchingDate) {
return validMatchingDate.plusDays(every);
}
@Override
public List<LocalDate> findAllMatchingDatesFromBaseDateUpToAndIncludingNearestMatchingEndDate(LocalDate baseDate, LocalDate cutOffDate) {
List<LocalDate> allMatchingDates = new ArrayList<LocalDate>();
LocalDate previousMatchingDate = baseDate.minusDays(1);
LocalDate matchingDate = nextMatchingDateFromAlreadyMatchingDate(previousMatchingDate);
while (matchingDate.isEqual(cutOffDate) || matchingDate.isBefore(cutOffDate)) {
allMatchingDates.add(matchingDate);
matchingDate = nextMatchingDateFromAlreadyMatchingDate(matchingDate);
}
if (!allMatchingDates.contains(matchingDate)) {
allMatchingDates.add(matchingDate);
}
return allMatchingDates;
}
@Override
public LocalDate findFirstDateOfPeriodForMatchingDate(LocalDate matchingDate) {
LocalDate previousMatchingDate;
if (every > 1) {
previousMatchingDate = matchingDate.minusDays(every-1);
} else {
previousMatchingDate = matchingDate;
}
return previousMatchingDate;
}
@Override
public boolean isAMatchingDate(LocalDate baseDate, LocalDate date) {
List<LocalDate> allMatchingDates = findAllMatchingDatesFromBaseDateUpToAndIncludingNearestMatchingEndDate(baseDate, date);
return allMatchingDates.contains(date);
}
@Override
public LocalDate nextMatchingDateAfter(LocalDate baseDate, LocalDate after) {
LocalDate cutOff = after.plusMonths(every+1);
List<LocalDate> allMatchingDates = findAllMatchingDatesFromBaseDateUpToAndIncludingNearestMatchingEndDate(baseDate, cutOff);
return findNextMatchingDateFromList(after, allMatchingDates);
}
private LocalDate findNextMatchingDateFromList(LocalDate after, List<LocalDate> allMatchingDates) {
LocalDate nextMatchingDate = after;
for (LocalDate matchingDate : allMatchingDates) {
if (matchingDate.isAfter(after)) {
nextMatchingDate = matchingDate;
break;
}
}
return nextMatchingDate;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof DailyInterestScheduledEvent == false) {
return false;
}
if (this == obj) {
return true;
}
DailyInterestScheduledEvent rhs = (DailyInterestScheduledEvent) obj;
return new EqualsBuilder().append(this.every, rhs.every).isEquals();
}
@Override
public int hashCode() {
return new HashCodeBuilder(11, 37).append(this.every).toHashCode();
}
}