com.novell.nds.dirxml.driver.jdbc.db.lock

Class OraLockGenerator

java.lang.Object

com.novell.nds.dirxml.driver.jdbc.db.lock.DBLockGenerator

com.novell.nds.dirxml.driver.jdbc.db.lock.OraLockGenerator

All Implemented Interfaces:

DBLockStatementGenerator

public class OraLockGenerator
extends DBLockGenerator

Default Oracle lock generator implementation.

NOTE: Oracle SELECT statements can't block even if the table is exclusively locked.

Field Summary

Fields inherited from interface com.novell.nds.dirxml.driver.jdbc.db.lock.DBLockStatementGenerator

EMPTY_LOCK, TYPE_TABLE, TYPE_VIEW

Constructor Summary

Constructors

Constructor and Description
OraLockGenerator()

Method Summary

Modifier and Type	Method and Description
DBLock	generateDeleteLock() Method for caller to request the appropriate database lock for a pending DELETE statement.
DBLock	generateInsertLock() Method for caller to request the appropriate database lock for a pending INSERT statement.
DBLock	generateUpdateLock() Method for caller to request the appropriate database lock for a pending UPDATE statement.

Methods inherited from class com.novell.nds.dirxml.driver.jdbc.db.lock.DBLockGenerator

addListedColumn, addPrimaryKeyColumn, addWhereColumn, generateSelectLock, reset, setTable, setWhereClause

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OraLockGenerator

public OraLockGenerator()

Method Detail

generateInsertLock

public DBLock generateInsertLock()

Description copied from interface: DBLockStatementGenerator

Method for caller to request the appropriate database lock for a pending INSERT statement.

Specified by:

generateInsertLock in interface DBLockStatementGenerator

Overrides:

generateInsertLock in class DBLockGenerator

Returns:

should not return null

generateUpdateLock

public DBLock generateUpdateLock()

Description copied from interface: DBLockStatementGenerator

Method for caller to request the appropriate database lock for a pending UPDATE statement.

Specified by:

generateUpdateLock in interface DBLockStatementGenerator

Overrides:

generateUpdateLock in class DBLockGenerator

Returns:

should not return null

generateDeleteLock

public DBLock generateDeleteLock()

Description copied from interface: DBLockStatementGenerator

Method for caller to request the appropriate database lock for a pending DELETE statement.

Specified by:

generateDeleteLock in interface DBLockStatementGenerator

Overrides:

generateDeleteLock in class DBLockGenerator

Returns:

should not return null