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Java client for Arcus memcached

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// Copyright (c) 2006  Dustin Sallings 

package net.spy.memcached.transcoders;

import net.spy.memcached.CachedData;
import net.spy.memcached.compat.SpyObject;

/**
 * Transcoder that serializes and unserializes longs.
 */
public final class LongTranscoder extends SpyObject
        implements Transcoder {

  private static final int flags = SerializingTranscoder.SPECIAL_LONG;

  private final TranscoderUtils tu = new TranscoderUtils(true);

  public boolean asyncDecode(CachedData d) {
    return false;
  }

  public CachedData encode(java.lang.Long l) {
    return new CachedData(flags, tu.encodeLong(l), getMaxSize());
  }

  public Long decode(CachedData d) {
    if (flags == d.getFlags()) {
      return tu.decodeLong(d.getData());
    } else {
      getLogger().error("Unexpected flags for long:  "
              + d.getFlags() + " wanted " + flags);
      return null;
    }
  }

  public int getMaxSize() {
    return CachedData.MAX_SIZE;
  }

}