/**
* A recursive method that walks up the tree of pivot fields/values to build a list of the String
* representations of the values that lead down to this PivotFacetValue.
*
* @return a mutable List of the pivot value Strings leading down to and including this pivot
* value, will never be null but may contain nulls
* @see PivotFacetField#getValuePath
*/
public List<String> getValuePath() {
List<String> out = parentPivot.getValuePath();
// Note: this code doesn't play nice with custom FieldTypes -- see SOLR-6330
if (null == value) {
out.add(null);
} else if (value instanceof Date) {
out.add(DateFormatUtil.formatExternal((Date) value));
} else {
out.add(value.toString());
}
return out;
}
/**
* Given a PivotField constraint, generate a query for the field+value for use in an <code>fq
* </code> to verify the constraint count
*/
private static String buildFilter(PivotField constraint) {
Object value = constraint.getValue();
if (null == value) {
// facet.missing, exclude any indexed term
return "-" + constraint.getField() + ":[* TO *]";
}
// otherwise, build up a term filter...
String prefix = "{!term f=" + constraint.getField() + "}";
if (value instanceof Date) {
return prefix + DateFormatUtil.formatExternal((Date) value);
} else {
return prefix + value;
}
}
@SuppressWarnings("deprecation")
public String longToString(long val) {
return DateFormatUtil.formatExternal((Date) longToObject(val));
}