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[Models] Make Time comparable. Implement faster Date.stepForward

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This commit is contained in:
Kuba Szczodrzyński 2019-11-14 19:31:50 +01:00
parent aa84356dd6
commit 0cbba2eb45
2 changed files with 39 additions and 3 deletions
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34
app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Date.java
View File

@ -133,7 +133,18 @@ public class Date implements Comparable<Date> {
}
public Date stepForward(int years, int months, int days) {
Calendar c = Calendar.getInstance();
this.day += days;
if (day > daysInMonth()) {
day -= daysInMonth();
month++;
}
this.month += months;
if (month > 12) {
month -= 12;
year++;
}
this.year += years;
/*Calendar c = Calendar.getInstance();
int newMonth = month + months;
if (newMonth > 12) {
newMonth = 1;
@ -143,7 +154,7 @@ public class Date implements Comparable<Date> {
c.setTimeInMillis(c.getTimeInMillis() + days * 24 * 60 * 60 * 1000);
this.year = c.get(Calendar.YEAR);
this.month = c.get(Calendar.MONTH) + 1;
this.day = c.get(Calendar.DAY_OF_MONTH);
this.day = c.get(Calendar.DAY_OF_MONTH);*/
return this;
}
@ -165,6 +176,25 @@ public class Date implements Comparable<Date> {
public boolean isLeap() {
return ((year & 3) == 0) && ((year % 100) != 0 || (year % 400) == 0);
}
public int daysInMonth() {
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
return 31;
case 2: return isLeap() ? 29 : 28;
case 4:
case 6:
case 9:
case 11:
return 30;
}
return 31;
}
public String getStringYmd() {
return year + (month < 10 ? "0" : "") + month + (day < 10 ? "0" : "") + day;

8
app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Time.java
View File

@ -1,10 +1,11 @@
package pl.szczodrzynski.edziennik.utils.models;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import java.util.Calendar;
public class Time {
public class Time implements Comparable<Time> {
public int hour = 0;
public int minute = 0;
public int second = 0;
@ -175,6 +176,11 @@ public class Time {
return (currentTime.getValue() >= startTime.getValue() && currentTime.getValue() <= endTime.getValue());
}
@Override
public int compareTo(@NonNull Time o) {
return this.getValue() - o.getValue();
}
@Override
public boolean equals(@Nullable Object obj) {
return obj instanceof Time && this.getValue() == ((Time) obj).getValue();