net.spy.memcached.CachedData Maven / Gradle / Ivy

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// Copyright (c) 2006  Dustin Sallings 

package net.spy.memcached;

import java.util.Arrays;

/**
 * Cached data with its attributes.
 */
public final class CachedData {

	/**
	 * Maximum data size allowed by memcached.
	 */
	public static final int MAX_SIZE = 1024*1024;

	private final int flags;
	private final byte[] data;

	/**
	 * Get a CachedData instance for the given flags and byte array.
	 *
	 * @param f the flags
	 * @param d the data
	 * @param max_size the maximum allowable size.
	 */
	public CachedData(int f, byte[] d, int max_size) {
		super();
		if(d.length > max_size) {
			throw new IllegalArgumentException(
				"Cannot cache data larger than " + max_size
					+ " bytes (you tried to cache a "
					+ d.length + " byte object)");
		}
		flags=f;
		data=d;
	}

	/**
	 * Get the stored data.
	 */
	public byte[] getData() {
		return data;
	}

	/**
	 * Get the flags stored along with this value.
	 */
	public int getFlags() {
		return flags;
	}

	@Override
	public String toString() {
		return "{CachedData flags=" + flags + " data="
			+ Arrays.toString(data) + "}";
	}
}