How to use

setSelector

method

in

org.eclipse.persistence.expressions.ListExpressionOperator

private static final ExpressionOperator createCoalesceOperator() {
  ListExpressionOperator operator = (ListExpressionOperator) ExpressionOperator.coalesce();
  operator.setStartString("VALUE(");
  operator.setSelector(ExpressionOperator.Coalesce);
  return operator;
}

private static final ExpressionOperator createCoalesceOperator() {
  ListExpressionOperator operator = (ListExpressionOperator) ExpressionOperator.coalesce();
  operator.setStartString("VALUE(");
  operator.setSelector(ExpressionOperator.Coalesce);
  return operator;
}

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, String)
 */
public static ExpressionOperator caseStatement() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(Case);
  exOperator.bePrefix();
  exOperator.setNodeClass(FunctionExpression.class);
  exOperator.setIsBindingSupported(false);
  return exOperator;
}

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, Object)
 */
public static ExpressionOperator coalesce() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(Coalesce);
  exOperator.bePrefix();
  exOperator.setNodeClass(ClassConstants.ArgumentListFunctionExpression_Class);
  exOperator.setStartString("COALESCE(");
  exOperator.setSeparator(",");
  exOperator.setTerminationString(" )");
  return exOperator;
}

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, String)
 */
public static ExpressionOperator coalesce() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(Coalesce);
  exOperator.bePrefix();
  exOperator.setNodeClass(FunctionExpression.class);
  exOperator.setStartString("COALESCE(");
  exOperator.setSeparator(",");
  exOperator.setTerminationString(" )");
  return exOperator;
}
 

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, Object)
 */
public static ExpressionOperator coalesce() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(Coalesce);
  exOperator.bePrefix();
  exOperator.setNodeClass(ClassConstants.ArgumentListFunctionExpression_Class);
  exOperator.setStartString("COALESCE(");
  exOperator.setSeparator(",");
  exOperator.setTerminationString(" )");
  return exOperator;
}
 

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, Object)
 */
public static ExpressionOperator caseStatement() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(Case);
  exOperator.bePrefix();
  exOperator.setNodeClass(ClassConstants.ArgumentListFunctionExpression_Class);
  exOperator.setIsBindingSupported(false);
  exOperator.setStartString("CASE ");
  exOperator.setSeparators(new String[]{" WHEN ", " THEN "});
  exOperator.setTerminationStrings(new String[]{" ELSE ", " END"});
  return exOperator;
}
 

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, Object)
 */
public static ExpressionOperator caseStatement() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(Case);
  exOperator.bePrefix();
  exOperator.setNodeClass(ClassConstants.ArgumentListFunctionExpression_Class);
  exOperator.setIsBindingSupported(false);
  exOperator.setStartString("CASE ");
  exOperator.setSeparators(new String[]{" WHEN ", " THEN "});
  exOperator.setTerminationStrings(new String[]{" ELSE ", " END"});
  return exOperator;
}

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, Object)
 */
public static ExpressionOperator caseConditionStatement() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(CaseCondition);
  exOperator.bePrefix();
  exOperator.setNodeClass(ClassConstants.ArgumentListFunctionExpression_Class);
  exOperator.setIsBindingSupported(false);
  exOperator.setStartStrings(new String[]{"CASE WHEN ", " THEN "});
  exOperator.setSeparators(new String[]{" WHEN ", " THEN "});
  exOperator.setTerminationStrings(new String[]{" ELSE ", " END "});
  return exOperator;
}

/**
 * INTERNAL:
 * Build operator.
 * Note: This operator works differently from other operators.
 * @see Expression#caseStatement(Map, Object)
 */
public static ExpressionOperator caseConditionStatement() {
  ListExpressionOperator exOperator = new ListExpressionOperator();
  exOperator.setType(FunctionOperator);
  exOperator.setSelector(CaseCondition);
  exOperator.bePrefix();
  exOperator.setNodeClass(ClassConstants.ArgumentListFunctionExpression_Class);
  exOperator.setIsBindingSupported(false);
  exOperator.setStartStrings(new String[]{"CASE WHEN ", " THEN "});
  exOperator.setSeparators(new String[]{" WHEN ", " THEN "});
  exOperator.setTerminationStrings(new String[]{" ELSE ", " END "});
  return exOperator;
}

public ArgumentListFunctionExpression coalesce() {
  ListExpressionOperator anOperator = new ListExpressionOperator();
  anOperator.setSelector(ExpressionOperator.Coalesce);
  anOperator.setNodeClass(FunctionExpression.class);
  anOperator.setType(ExpressionOperator.FunctionOperator);
  anOperator.bePrefix();
  anOperator.setStartString("COALESCE(");
  anOperator.setSeparator(",");
  anOperator.setTerminationString(" )");
  ArgumentListFunctionExpression expression = new ArgumentListFunctionExpression();
  expression.setBaseExpression(this);
  expression.setOperator(anOperator);
  return expression;
}

operator.setSelector(ExpressionOperator.Case);
operator.setNodeClass(FunctionExpression.class);
operator.setType(ExpressionOperator.FunctionOperator);

operator.setSelector(ExpressionOperator.Case);
operator.setNodeClass(FunctionExpression.class);
operator.setType(ExpressionOperator.FunctionOperator);