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A set of SPIs for managing distributable @Stateful bean instances for use by the the distributed Jakarta Enterprise Beans cache implementation found in the wildfly-ejb3 module. This module decouples the mechanism for managing @Stateful bean instances from the Jakarta Enterprise Beans subsystem.

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/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.wildfly.clustering.ejb.bean;

/**
 * Describes the immutable properties of a cached bean.
 * @author Paul Ferraro
 * @param  the bean identifier type
 * @param  the bean instance type
 */
public interface ImmutableBean> {
    /**
     * Returns the identifier of this bean.
     * @return a unique identifier
     */
    K getId();

    /**
     * Returns the instance of this bean.
     * @return the bean instance
     */
    V getInstance();

    /**
     * Returns the metadata of this bean.
     * @return
     */
    ImmutableBeanMetaData getMetaData();
}