| 1 | // Copyright (c) 2006 Dustin Sallings <dustin@spy.net> |
| 2 | |
| 3 | package net.spy.memcached; |
| 4 | |
| 5 | import java.util.Arrays; |
| 6 | |
| 7 | /** |
| 8 | * Cached data with its attributes. |
| 9 | */ |
| 10 | public final class CachedData { |
| 11 | |
| 12 | /** |
| 13 | * Maximum data size allowed by memcached. |
| 14 | */ |
| 15 | public static final int MAX_SIZE = 1024*1024; |
| 16 | |
| 17 | private final int flags; |
| 18 | private final byte[] data; |
| 19 | |
| 20 | /** |
| 21 | * Get a CachedData instance for the given flags and byte array. |
| 22 | * |
| 23 | * @param f the flags |
| 24 | * @param d the data |
| 25 | * @param max_size the maximum allowable size. |
| 26 | */ |
| 27 | public CachedData(int f, byte[] d, int max_size) { |
| 28 | super(); |
| 29 | if(d.length > max_size) { |
| 30 | throw new IllegalArgumentException( |
| 31 | "Cannot cache data larger than " + max_size |
| 32 | + " bytes (you tried to cache a " |
| 33 | + d.length + " byte object)"); |
| 34 | } |
| 35 | flags=f; |
| 36 | data=d; |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Get the stored data. |
| 41 | */ |
| 42 | public byte[] getData() { |
| 43 | return data; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Get the flags stored along with this value. |
| 48 | */ |
| 49 | public int getFlags() { |
| 50 | return flags; |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public String toString() { |
| 55 | return "{CachedData flags=" + flags + " data=" |
| 56 | + Arrays.toString(data) + "}"; |
| 57 | } |
| 58 | } |