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Add method decomposing an EffortDuration into its elements

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FEA: ItEr60S19TimeUnitDataType
This commit is contained in:
Óscar González Fernández 2010-08-18 17:42:42 +02:00
parent c15b228904
commit 597989de06
2 changed files with 39 additions and 0 deletions
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19
navalplanner-business/src/main/java/org/navalplanner/business/workingday/EffortDuration.java
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@ -20,6 +20,8 @@
package org.navalplanner.business.workingday;
import java.util.EnumMap;
import org.apache.commons.lang.Validate;
public class EffortDuration {
@ -28,6 +30,10 @@ public class EffortDuration {
public enum Granularity {
HOURS(3600), MINUTES(60), SECONDS(1);
static Granularity[] fromMoreCoarseToLessCoarse() {
return Granularity.values();
}
private final int secondsPerUnit;
private Granularity(int secondsPerUnit) {
@ -104,4 +110,17 @@ public class EffortDuration {
return getSeconds();
}
public EnumMap<Granularity, Integer> decompose() {
EnumMap<Granularity, Integer> result = new EnumMap<EffortDuration.Granularity, Integer>(
Granularity.class);
int remainder = seconds;
for (Granularity each : Granularity.fromMoreCoarseToLessCoarse()) {
int value = each.convertFromSeconds(remainder);
remainder -= value * each.toSeconds(1);
result.put(each, value);
}
assert remainder == 0;
return result;
}
}

20
navalplanner-business/src/test/java/org/navalplanner/business/test/workingday/EffortDurationTest.java
View file

@ -26,6 +26,8 @@ import static org.junit.Assert.fail;
import static org.navalplanner.business.workingday.EffortDuration.hours;
import static org.navalplanner.business.workingday.EffortDuration.minutes;
import java.util.EnumMap;
import org.junit.Test;
import org.navalplanner.business.workingday.EffortDuration;
import org.navalplanner.business.workingday.EffortDuration.Granularity;
@ -93,4 +95,22 @@ public class EffortDurationTest {
equalTo(ninetyMinutes.hashCode()));
}
@Test
public void anEffortDurationCanBeDecomposedIntoElements() {
EffortDuration duration = hours(1).and(90, Granularity.MINUTES);
EnumMap<Granularity, Integer> values = duration.decompose();
assertThat(values.get(Granularity.HOURS), equalTo(2));
assertThat(values.get(Granularity.MINUTES), equalTo(30));
assertThat(values.get(Granularity.SECONDS), equalTo(0));
}
@Test
public void anEmptyDurationHasZeroElements(){
EffortDuration duration = EffortDuration.zero();
EnumMap<Granularity, Integer> values = duration.decompose();
assertThat(values.get(Granularity.HOURS), equalTo(0));
assertThat(values.get(Granularity.MINUTES), equalTo(0));
assertThat(values.get(Granularity.SECONDS), equalTo(0));
}
}