<component>
    <key>org.exoplatform.services.jcr.config.RepositoryServiceConfiguration</key>
    <type>org.exoplatform.services.jcr.impl.config.RepositoryServiceConfigurationImpl</type>
    <init-params>
      <value-param>
        <name>conf-path</name>
        <description>JCR configuration file</description>
        <value>/conf/standalone/exo-jcr-config.xml</value>
      </value-param>
    </init-params>
  </component>

<component>
    <key>org.exoplatform.services.jcr.config.RepositoryServiceConfiguration</key>
    <type>org.exoplatform.services.jcr.impl.config.RepositoryServiceConfigurationImpl</type>
    <init-params>
      <value-param>
        <name>conf-path</name>
        <description>JCR configuration file</description>
        <value>/conf/standalone/exo-jcr-config.xml</value>
      </value-param>
      <properties-param>
        <name>working-conf</name>
        <description>working-conf</description>
        <property name="source-name" value="jdbcjcr" />
        <property name="dialect" value="mysql" />
        <property name="persister-class-name" value="org.exoplatform.services.jcr.impl.config.JDBCConfigurationPersister" />
      </properties-param>
    </init-params>
  </component>

/**
   * Init persister.
   * Used by RepositoryServiceConfiguration on init. 
   * @return - config data stream
   */
  void init(PropertiesParam params) throws RepositoryConfigurationException;
  
  /**
   * Read config data.
   * @return - config data stream
   */
  InputStream read() throws RepositoryConfigurationException;
  
  /**
   * Create table, write data.
   * @param confData - config data stream
   */
  void write(InputStream confData) throws RepositoryConfigurationException;
  
  /**
   * Tell if the config exists.
   * @return - flag
   */
  boolean hasConfig() throws RepositoryConfigurationException;