public void readFields(DataInput in) throws IOException {
// instance-specific
this.sampleStrs = new ArrayList<String>();
int numSamples = in.readInt();
for (int i = 0; i < numSamples; i++) {
sampleStrs.add(UTF8.readString(in).toString());
}
this.tokenClassIdentifier = in.readInt();
if (in.readBoolean()) {
this.tokenParameter = UTF8.readString(in);
} else {
this.tokenParameter = null;
}
this.schema = computeAvroSchema();
}
/**
* Reads a primitive value of the specified class type from the stream.
*
* @param in A stream to read from.
* @param cls A class type of the primitive.
* @return A primitive.
* @throws IOException If an I/O error occurs.
*/
static Object readPrimitive(DataInput in, Class cls) throws IOException {
if (cls == byte.class) return in.readByte();
if (cls == short.class) return in.readShort();
if (cls == int.class) return in.readInt();
if (cls == long.class) return in.readLong();
if (cls == float.class) return in.readFloat();
if (cls == double.class) return in.readDouble();
if (cls == boolean.class) return in.readBoolean();
if (cls == char.class) return in.readChar();
throw new IllegalArgumentException();
}