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package com.sun.appserv.ha.spi;

/**
 * A class for storing meta information
 */
public class SimpleMetadata extends Metadata {

    private byte[] state;

    private String extraParam;

    /**
     * Construct a Metadata object
     * 
     * @param version
     *            The version of the data. A freshly created state has a version ==
     *            0
     * @param lastAccessTime
     *            the last access time of the state. This must be used in
     *            conjunction with getMaxInactiveInterval to determine if the
     *            state is idle enough to be removed.
     * @param maxInactiveInterval
     *            the maximum time that this state can be idle in the store
     *            before it can be removed.
     * @param state
     *            The state
     * @param extraParam
     *            Some more data
     */
    public SimpleMetadata(long version, long lastAccessTime,
            long maxInactiveInterval, byte[] state, String extraParam) {
        super(version, lastAccessTime, maxInactiveInterval);
        this.state = state;
        this.extraParam = extraParam;
    }

    /**
     * Get the state of the object that is stored.
     * 
     * @return the state or null
     */
    public byte[] getState() {
        return state;
    }

    /**
     * Get the extra param associated with this metadata
     * 
     * @return the extra param or null
     */
    public String getExtraParam() {
        return extraParam;
    }

}