@Test
public void testToThriftTypeWithoutManualProjection() throws Exception {
ThriftSchemaConverter schemaConverter = new ThriftSchemaConverter();
final StructType converted = schemaConverter.toStructType(AddressBook.class);
final String json = converted.toJSON();
System.out.println(json);
final ThriftType fromJSON = StructType.fromJSON(json);
assertEquals(json, fromJSON.toJSON());
}
private StructConverter(List<TProtocol> events, GroupType parquetSchema, ThriftField field) {
this.events = events;
this.name = field.getName();
this.tStruct = new TStruct(name);
this.thriftType = (StructType) field.getType();
this.schemaSize = parquetSchema.getFieldCount();
this.converters = new Converter[this.schemaSize];
List<ThriftField> thriftChildren = thriftType.getChildren();
for (int i = 0; i < schemaSize; i++) {
Type schemaType = parquetSchema.getType(i);
String fieldName = schemaType.getName();
ThriftField matchingThrift = null;
for (ThriftField childField : thriftChildren) {
String thriftChildName = childField.getName();
if (thriftChildName != null && thriftChildName.equalsIgnoreCase(fieldName)) {
matchingThrift = childField;
break;
}
}
if (matchingThrift == null) {
// this means the file did not contain that field
// it will never be populated in this instance
// other files might populate it
continue;
}
if (schemaType.isPrimitive()) {
converters[i] =
new PrimitiveFieldHandler(
newConverter(events, schemaType, matchingThrift).asPrimitiveConverter(),
matchingThrift,
events);
} else {
converters[i] =
new GroupFieldhandler(
newConverter(events, schemaType, matchingThrift).asGroupConverter(),
matchingThrift,
events);
}
}
}