int key1Offset, int key1Length, byte[] key2Data,
int key2Offset, int key2Length) throws IOException {
key1ReaderStream.reset(key1Data, key1Offset, key1Length);
key2ReaderStream.reset(key2Data, key2Offset, key2Length);
return (int) (key1ReaderStream.readLong() - key2ReaderStream
.readLong());
}
}, keyClass, valueClass, null, null);