org.datanucleus.store.rdbms.sql.method
Class JDOHelperGetObjectIdMethod

java.lang.Object
  extended by org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      extended by org.datanucleus.store.rdbms.sql.method.JDOHelperGetObjectIdMethod
All Implemented Interfaces:
SQLMethod

public class JDOHelperGetObjectIdMethod
extends AbstractSQLMethod

Expression handler to evaluate JDOHelper.getObjectId({expression}). Returns an ObjectExpression or NullLiteral.


Field Summary
 
Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
clr, exprFactory, LOCALISER, stmt
 
Constructor Summary
JDOHelperGetObjectIdMethod()
           
 
Method Summary
 SQLExpression getExpression(SQLExpression ignore, java.util.List args)
          Return the expression for this SQL function.
 
Methods inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
getMappingForClass, setStatement
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JDOHelperGetObjectIdMethod

public JDOHelperGetObjectIdMethod()
Method Detail

getExpression

public SQLExpression getExpression(SQLExpression ignore,
                                   java.util.List args)
Description copied from interface: SQLMethod
Return the expression for this SQL function.

Parameters:
ignore - The expression that it is invoked on
args - Arguments passed in
Returns:
The SQL expression using the SQL function


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