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package com.sun.appserv.ha.spi;

/**
 * A class that holds additional metadata than a SimpleMetaData
 * 
 * @see BatchBackingStore
 */
public final class BatchMetadata extends SimpleMetadata {

    private String appId;

    private String id;

    /**
     * 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 data
     *            The data
     * @param extraData
     *            Some more data
     */
    public BatchMetadata(String appId, String id, long version,
            long lastAccessTime, long maxInactiveInterval, byte[] data,
            String extraData) {
        super(version, lastAccessTime, maxInactiveInterval, data, extraData);
        this.appId = appId;
        this.id = id;
    }

    /**
     * Return the application id
     * 
     * @return the application id
     * @see BackingStoreFactory
     */
    public String getAppId() {
        return appId;
    }

    /**
     * Return the id of the metaData
     * 
     * @return the id of the metaData
     */
    public String getId() {
        return id;
    }

}