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Cayenne Object Persistence Framework

There is a newer version: 2.0.4

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package org.apache.cayenne;

import java.io.Serializable;

/**
 * Defines minimal API of an object that can be persisted via Cayenne.
 * 
 * @since 1.2
 * @author Andrus Adamchik
 */
// TODO: with field-based access there is no need to declare setters...
public interface Persistent extends Serializable {

    ObjectId getObjectId();

    void setObjectId(ObjectId id);

    int getPersistenceState();

    void setPersistenceState(int state);

    ObjectContext getObjectContext();

    void setObjectContext(ObjectContext objectContext);
}