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package com.sun.ejb.spi.stats;

/**
 * An interface that allows monitoring of an SFSBStoreManager implementation
 *
 * @author Mahesh Kannan
 */

public interface MonitorableSFSBStoreManager
    extends StatsProvider
{

    /**
     * Returns the number of passivated / checkpointed sessions in the store
     *	Note that this includes the sessions passivated / checkpointed by
     *	ohter store maangers in the cluster
     */
    public long getCurrentStoreSize();


    /**
     * Notification that the monitoringLevel is either turned off (false)
     *	OR tuened on (true).
     * @param monitoringOn true if monitoring is either HIGH / LOW
     *	false otherwise
     */
    public void monitoringLevelChanged(boolean monitoringOn);

}