org.eclipse.persistence.internal.expressions

Class ForUpdateOfClause

java.lang.Object

org.eclipse.persistence.internal.expressions.ForUpdateClause

org.eclipse.persistence.internal.expressions.ForUpdateOfClause

All Implemented Interfaces:

Serializable, Cloneable

public class ForUpdateOfClause
extends ForUpdateClause

Purpose:Represents The FOR UPDATE OF fine-grained pessimistically locking clause.

Since:

Oracle Toplink 10g AS

Author:

Stephen McRitchie

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ForUpdateOfClause()

Method Summary

Modifier and Type	Method and Description
void	addLockedExpression(FieldExpression expression)
void	addLockedExpression(ObjectExpression expression)
Collection	getAliasesOfTablesToBeLocked(SQLSelectStatement statement) INTERNAL: Returns collection of aliases of the tables to be locked.
List<Expression>	getLockedExpressions()
boolean	isForUpdateOfClause()
boolean	isReferenceClassLocked()
void	printSQL(ExpressionSQLPrinter printer, SQLSelectStatement statement) INTERNAL: Prints the as of clause for an expression inside of the FROM clause.
void	setLockedExpressions(List<Expression> lockedExpressions)
void	setLockMode(short lockMode)

Methods inherited from class org.eclipse.persistence.internal.expressions.ForUpdateClause

clone, getLockMode, getWaitTimeout, newInstance, newInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

ForUpdateOfClause

public ForUpdateOfClause()

Method Detail

addLockedExpression

public void addLockedExpression(ObjectExpression expression)

addLockedExpression

public void addLockedExpression(FieldExpression expression)

getLockedExpressions

public List<Expression> getLockedExpressions()

isForUpdateOfClause

public boolean isForUpdateOfClause()

Overrides:

isForUpdateOfClause in class ForUpdateClause

isReferenceClassLocked

public boolean isReferenceClassLocked()

Overrides:

isReferenceClassLocked in class ForUpdateClause

setLockedExpressions

public void setLockedExpressions(List<Expression> lockedExpressions)

setLockMode

public void setLockMode(short lockMode)

printSQL

public void printSQL(ExpressionSQLPrinter printer,
                     SQLSelectStatement statement)

INTERNAL: Prints the as of clause for an expression inside of the FROM clause.

Overrides:

printSQL in class ForUpdateClause

getAliasesOfTablesToBeLocked

public Collection getAliasesOfTablesToBeLocked(SQLSelectStatement statement)

INTERNAL: Returns collection of aliases of the tables to be locked. Only used by platforms that lock tables individually in FROM clause (platform.shouldPrintLockingClauseAfterWhereClause()==false) like SQLServer

Overrides:

getAliasesOfTablesToBeLocked in class ForUpdateClause