/**
* Get the columns required by this schema.
*
* @return The set of columns
*/
public Set<String> getRequiredColumns() {
Set<String> set = new HashSet<String>();
for (FieldMapping fieldMapping : fieldMappings) {
if (FieldMapping.MappingType.KEY == fieldMapping.getMappingType()) {
continue;
} else if (FieldMapping.MappingType.KEY_AS_COLUMN == fieldMapping.getMappingType()) {
set.add(fieldMapping.getFamilyAsString() + ":");
} else {
set.add(fieldMapping.getFamilyAsString() + ":" + fieldMapping.getQualifierAsString());
}
}
return set;
}
/**
* Get the column families required by this schema.
*
* @return The set of column families.
*/
public Set<String> getRequiredColumnFamilies() {
Set<String> set = new HashSet<String>();
for (FieldMapping mapping : fieldMappings) {
if (FieldMapping.MappingType.KEY != mapping.getMappingType())
set.add(mapping.getFamilyAsString());
}
return set;
}
