task.java

一个Java持久层类库

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package ActiveObject.core;

import ActiveObject.exception.ObjectAnalysisException;
import ActiveObject.exception.ObjectNotActive;
import java.lang.reflect.InvocationTargetException;
import java.sql.SQLException;

/**
 *
 * @author tanjiazhang
 */
public class Task {

    Object delete(ActiveRecord record) throws ObjectAnalysisException, ObjectNotActive, SQLException
    {
        return null;
    }

    /**
     * 保存一个对象，但不会令该对象成为持久化对象
     * @param record
     * @return
     * @throws java.lang.IllegalAccessException
     * @throws java.lang.IllegalArgumentException
     * @throws java.lang.reflect.InvocationTargetException
     * @throws java.sql.SQLException
     */
    Object save(ActiveRecord record) throws ObjectAnalysisException, SQLException
    {
        return null;
    }

    Object update(ActiveRecord record) throws ObjectAnalysisException, ObjectNotActive, SQLException
    {
        return null;
    }

    /**
     * 构造Delete PreparedStatement映射的键名
     * @param record
     * @return
     */
    protected static final String createDeleteKey(ActiveRecord record)
    {
        return "d"+record.getClass().getSimpleName();
    }

    /**
     * 构造Save PreparedStatement映射的键名
     * @param record
     * @return
     */
    protected static final String createSaveKey(ActiveRecord record)
    {
        return "s"+record.getClass().getSimpleName();
    }

    /**
     * 构造Update PreparedStatement映射的键名
     * @param record
     * @return
     */
    protected static final String createUpdateKey(ActiveRecord record)
    {
        return "u"+record.getClass().getSimpleName();
    }
}