Savepoint (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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java.sql
Interface Savepoint

public interface Savepoint

The representation of a savepoint, which is a point within the current transaction that can be referenced from the Connection.rollback method. When a transaction is rolled back to a savepoint all changes made after that savepoint are undone.

Savepoints can be either named or unnamed. Unnamed savepoints are identified by an ID generated by the underlying data source.

Since:: 1.4

Method Summary

int getSavepointId()
Retrieves the generated ID for the savepoint that this Savepoint object represents.

String getSavepointName()
Retrieves the name of the savepoint that this Savepoint object represents.

Method Detail

getSavepointId

public int getSavepointId()
                   throws SQLException

Retrieves the generated ID for the savepoint that this Savepoint object represents.

Returns:: the numeric ID of this savepoint
Throws:: SQLException - if this is a named savepoint
Since:: 1.4

getSavepointName

public String getSavepointName()
                        throws SQLException

Retrieves the name of the savepoint that this Savepoint object represents.

Returns:: the name of this savepoint
Throws:: SQLException - if this is an un-named savepoint
Since:: 1.4