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package com.sun.jdo.spi.persistence.support.sqlstore;

/**
 * Interface to access SQLStore config information.
 *
 * @author Marina Vatkina
 */ 
public interface ConfigCache {

    /**
     * Get the PersistenceConfig for given pcClass. The config is looked up
     * from a cache. If a config can not be found in cache, a new
     * instance is created and returned.
     *
     * @param pcClass The input pcClass.
     * @return PersistenceConfig for given pcClass.
     */
    PersistenceConfig getPersistenceConfig(Class pcClass);

    /**
     * Gets the Class instance corresponding to given oidType.
     *
     * @param oidType The input oidType.
     * @return The Class instance corresponding to given oidType.
     */
    Class getClassByOidClass(Class oidType);

    /**
     * Sets VersionConsistencyCache field.
     *   
     * @param vcCache the VersionConsistencyCache instance.
     */  
    void setVersionConsistencyCache(VersionConsistencyCache vcCache);
}