Module org.eclipse.persistence.core
Package org.eclipse.persistence.internal.expressions

Class ForUpdateClause

java.lang.Object
org.eclipse.persistence.internal.expressions.ForUpdateClause
All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
ForUpdateOfClause
public class ForUpdateClause extends Object implements Serializable, Cloneable
Purpose:Represents The FOR UPDATE pessimistically locking clause.
Since:
Oracle Toplink 10g AS
See Also:

  • Field Details

  • Constructor Details

    • ForUpdateClause

      public ForUpdateClause()

    • ForUpdateClause

      public ForUpdateClause(short lockMode)

    • ForUpdateClause

      public ForUpdateClause(Integer waitTimeout)

  • Method Details

    • clone

      public Object clone()
      Overrides:
      clone in class Object

    • newInstance

      public static ForUpdateClause newInstance(short lockMode)

    • newInstance

      public static ForUpdateClause newInstance(Integer waitTimeout)

    • isForUpdateOfClause

      public boolean isForUpdateOfClause()

    • isReferenceClassLocked

      public boolean isReferenceClassLocked()

    • getLockMode

      public short getLockMode()

    • getWaitTimeout

      public Integer getWaitTimeout()

    • printSQL

      public void printSQL(ExpressionSQLPrinter printer, SQLSelectStatement statement)
      INTERNAL: Prints the as of clause for an expression inside of the FROM clause.

    • 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