public Class<? extends Writable> readType() throws IOException {
Type type = in.readType();
if (type == null) {
return null;
}
switch (type) {
case BYTES:
return BytesWritable.class;
case BYTE:
return ByteWritable.class;
case BOOL:
return BooleanWritable.class;
case INT:
return VIntWritable.class;
case LONG:
return VLongWritable.class;
case FLOAT:
return FloatWritable.class;
case SHORT:
return ShortWritable.class;
case DOUBLE:
return DoubleWritable.class;
case STRING:
return Text.class;
case VECTOR:
return ArrayWritable.class;
case MAP:
return MapWritable.class;
case WRITABLE:
return Writable.class;
case ENDOFRECORD:
return null;
case NULL:
return NullWritable.class;
default:
throw new RuntimeException("unknown type");
}
}
public Writable read() throws IOException {
Type type = in.readType();
if (type == null) {
return null;
}
switch (type) {
case BYTES:
return readBytes();
case BYTE:
return readByte();
case BOOL:
return readBoolean();
case INT:
return readVInt();
case SHORT:
return readShort();
case LONG:
return readVLong();
case FLOAT:
return readFloat();
case DOUBLE:
return readDouble();
case STRING:
return readText();
case VECTOR:
return readArray();
case MAP:
return readMap();
case WRITABLE:
return readWritable();
case ENDOFRECORD:
return null;
case NULL:
return NullWritable.get();
default:
throw new RuntimeException("unknown type");
}
}
public Type readTypeCode() throws IOException {
return in.readType();
}