| 1 | // Copyright (c) 2006 Dustin Sallings <dustin@spy.net> |
| 2 | |
| 3 | package net.spy.memcached.transcoders; |
| 4 | |
| 5 | import net.spy.memcached.CachedData; |
| 6 | import net.spy.memcached.compat.SpyObject; |
| 7 | |
| 8 | /** |
| 9 | * Transcoder that serializes and unserializes longs. |
| 10 | */ |
| 11 | public final class LongTranscoder extends SpyObject |
| 12 | implements Transcoder<Long> { |
| 13 | |
| 14 | private static final int flags = SerializingTranscoder.SPECIAL_LONG; |
| 15 | |
| 16 | private final TranscoderUtils tu=new TranscoderUtils(true); |
| 17 | |
| 18 | public boolean asyncDecode(CachedData d) { |
| 19 | return false; |
| 20 | } |
| 21 | |
| 22 | public CachedData encode(java.lang.Long l) { |
| 23 | return new CachedData(flags, tu.encodeLong(l), getMaxSize()); |
| 24 | } |
| 25 | |
| 26 | public Long decode(CachedData d) { |
| 27 | if (flags == d.getFlags()) { |
| 28 | return tu.decodeLong(d.getData()); |
| 29 | } else { |
| 30 | getLogger().error("Unexpected flags for long: " |
| 31 | + d.getFlags() + " wanted " + flags); |
| 32 | return null; |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | public int getMaxSize() { |
| 37 | return CachedData.MAX_SIZE; |
| 38 | } |
| 39 | |
| 40 | } |