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Java > Open Source Codes > org > apache > cayenne > query > SQLAction


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19
20 package org.apache.cayenne.query;
21
22 import java.sql.Connection JavaDoc;
23 import java.sql.SQLException JavaDoc;
24
25 import org.apache.cayenne.access.OperationObserver;
26
27 /**
28  * Defines API for query execution strategy over JDBC connection (as in Strategy Pattern).
29  * SQLAction unified interface allows a high degree of customization for JDBC
30  * interactions.
31  *
32  * @since 1.2
33  * @author Andrus Adamchik
34  */
35 public interface SQLAction {
36
37     /**
38      * Executes a query using a strategy defined by the implementation.
39      */
40     void performAction(Connection JavaDoc connection, OperationObserver observer)
41             throws SQLException JavaDoc, Exception JavaDoc;
42 }
43
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