Class SimpleNumericMethod

java.lang.Object
org.datanucleus.store.rdbms.sql.method.SimpleNumericMethod
All Implemented Interfaces:
SQLMethod
Direct Known Subclasses:
AbsFunction, AcosFunction, AsinFunction, AtanFunction, CeilFunction, CosFunction, CoshFunction, CotFunction, DegreesFunction, ExpFunction, FloorFunction, LogFunction, LogFunction2, PowerFunction, RadiansFunction, SignFunction, SinFunction, SinhFunction, SQLCubeFunction, SQLRollupFunction, SqrtFunction, TanFunction, TanhFunction

public abstract class SimpleNumericMethod extends Object implements SQLMethod
Expression handler to invoke an SQL numeric function that takes in argument(s).
  • If the expression is null will return a NumericExpression
    {functionName}({args})
    and expr isn't used
  • Constructor Details

    • SimpleNumericMethod

      public SimpleNumericMethod()
  • Method Details

    • getFunctionName

      protected abstract String getFunctionName()
    • getExpression

      public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args)
      Description copied from interface: SQLMethod
      Return the expression for this SQL function.
      Specified by:
      getExpression in interface SQLMethod
      Parameters:
      stmt - SQLStatement that this expression is for
      expr - The expression that it is invoked on
      args - Arguments passed in
      Returns:
      The SQL expression using the SQL function
    • getClassForMapping

      protected abstract Class getClassForMapping()