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/*******************************************************************************
 * Copyright (c) 2013, 2015  Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *      Oracle - initial impl
 ******************************************************************************/
package org.eclipse.persistence.tools.tuning;

import java.util.Map;

import org.eclipse.persistence.sessions.Session;

/**
 * Generic tuning interface.
 * Allow JPA and Session configuration to be tuned or auto-tuned for a specific purpose.
 * This facilitates a one-flag configuration option for configuring multiple settings, or performing dynamic tuning.
 */
public interface SessionTuner {
    /**
     * Allow any JPA persistence unit properties to be configured, prior to deployment.
     */
    void tunePreDeploy(Map properties);

    /**
     * Allow any Session configuration to be tune after meta-data has been processed, but before connecting the session.
     */
    void tuneDeploy(Session session);

    /**
     * Allow any Session configuration to be tune after deploying and connecting the session.
     */
    void tunePostDeploy(Session session);
}