Examples with NullIfExpression org.eclipse.persistence.jpa.jpql.parser.NullIfExpression used on opensource projects

Example 1 with NullIfExpression

use of org.eclipse.persistence.jpa.jpql.parser.NullIfExpression in project eclipselink by eclipse-ee4j.

the class ReportItemBuilder method visit.

@Override
public void visit(NullIfExpression expression) {
    Expression queryExpression = queryContext.buildExpression(expression, type);
    addAttribute(NullIfExpression.NULLIF, queryExpression);
}

Example 2 with NullIfExpression

use of org.eclipse.persistence.jpa.jpql.parser.NullIfExpression in project eclipselink by eclipse-ee4j.

the class ExpressionBuilderVisitor method visit.

@Override
public void visit(NullIfExpression expression) {
    // Create the first expression
    expression.getFirstExpression().accept(this);
    Expression firstExpression = queryExpression;
    Class<?> actualType = type[0];
    // Create the second expression
    expression.getSecondExpression().accept(this);
    Expression secondExpression = queryExpression;
    // Now create the NULLIF expression
    queryExpression = firstExpression.nullIf(secondExpression);
    // Set the expression type
    type[0] = actualType;
}