public static final boolean hasMatchingDominantSortAttribute(
CommonFieldsBase odkLastEntity, CommonFieldsBase odkEntity, DataField dominantAttr) {
boolean matchingDominantAttr = false;
switch (dominantAttr.getDataType()) {
case BINARY:
throw new IllegalStateException("unexpected sort on binary field");
case LONG_STRING:
throw new IllegalStateException("unexpected sort on long text field");
case URI:
case STRING:
{
String a1 = odkLastEntity.getStringField(dominantAttr);
String a2 = odkEntity.getStringField(dominantAttr);
matchingDominantAttr =
(a1 == null) ? (a2 == null) : ((a2 != null) && a1.compareTo(a2) == 0);
}
break;
case INTEGER:
{
Long a1 = odkLastEntity.getLongField(dominantAttr);
Long a2 = odkEntity.getLongField(dominantAttr);
matchingDominantAttr =
(a1 == null) ? (a2 == null) : ((a2 != null) && a1.compareTo(a2) == 0);
}
break;
case DECIMAL:
{
BigDecimal a1 = odkLastEntity.getNumericField(dominantAttr);
BigDecimal a2 = odkEntity.getNumericField(dominantAttr);
matchingDominantAttr =
(a1 == null) ? (a2 == null) : ((a2 != null) && a1.compareTo(a2) == 0);
}
break;
case BOOLEAN:
{
Boolean a1 = odkLastEntity.getBooleanField(dominantAttr);
Boolean a2 = odkEntity.getBooleanField(dominantAttr);
matchingDominantAttr =
(a1 == null) ? (a2 == null) : ((a2 != null) && a1.compareTo(a2) == 0);
}
break;
case DATETIME:
{
Date a1 = odkLastEntity.getDateField(dominantAttr);
Date a2 = odkEntity.getDateField(dominantAttr);
matchingDominantAttr =
(a1 == null) ? (a2 == null) : ((a2 != null) && a1.compareTo(a2) == 0);
}
break;
default:
throw new IllegalStateException("unexpected data type");
}
return matchingDominantAttr;
}
public static final String getDominantSortAttributeValueAsString(
CommonFieldsBase cb, DataField dominantAttr) {
String value;
switch (dominantAttr.getDataType()) {
case BINARY:
throw new IllegalStateException("cannot sort on a binary field");
case LONG_STRING:
throw new IllegalStateException("cannot sort on a long text field");
case URI:
case STRING:
{
value = cb.getStringField(dominantAttr);
break;
}
case INTEGER:
{
Long l = cb.getLongField(dominantAttr);
if (l == null) {
value = null;
} else {
value = Long.toString(l);
}
break;
}
case DECIMAL:
{
BigDecimal bd = cb.getNumericField(dominantAttr);
if (bd == null) {
value = null;
} else {
value = bd.toString();
}
break;
}
case BOOLEAN:
{
Boolean b = cb.getBooleanField(dominantAttr);
if (b == null) {
value = null;
} else {
value = b.toString();
}
break;
}
case DATETIME:
{
Date d = cb.getDateField(dominantAttr);
if (d == null) {
value = null;
} else {
value = WebUtils.iso8601Date(d);
}
break;
}
default:
throw new IllegalStateException("datatype not handled");
}
return value;
}
public static final Object getDominantSortAttributeValue(
CommonFieldsBase odkEntity, DataField dominantAttr) {
switch (dominantAttr.getDataType()) {
case BINARY:
throw new IllegalStateException("unexpected sort on binary field");
case LONG_STRING:
throw new IllegalStateException("unexpected sort on long text field");
case URI:
case STRING:
return odkEntity.getStringField(dominantAttr);
case INTEGER:
return odkEntity.getLongField(dominantAttr);
case DECIMAL:
return odkEntity.getNumericField(dominantAttr);
case BOOLEAN:
return odkEntity.getBooleanField(dominantAttr);
case DATETIME:
return odkEntity.getDateField(dominantAttr);
default:
throw new IllegalStateException("unexpected data type");
}
}