/** Deserialize an unknown InferredType from the given input stream */
public static InferredType readType(DataInput in) throws IOException {
InferredType it = null;
byte b = in.readByte();
String name = in.readUTF();
if (b == BASE_TYPE) {
it = new BaseType(name);
} else if (b == STRUCT_TYPE) {
it = new StructType(name);
} else if (b == ARRAY_TYPE) {
it = new ArrayType(name);
} else if (b == UNION_TYPE) {
it = new UnionType(name);
} else {
throw new IOException("No type found: " + b);
}
it.readFields(in);
return it;
}
public void readFields(DataInput in) throws IOException {
leftBigram = new Text(in.readUTF());
rightBigram = new Text(in.readUTF());
}