How to use

org.apache.hadoop.yarn.util.constraint.PlacementConstraintParser$ConjunctionConstraintParser

constructor

if (!constraintOptional.isPresent()) {
 ConjunctionConstraintParser jp =
   new ConjunctionConstraintParser(constraintStr);
 constraintOptional = Optional.ofNullable(jp.tryParse());

parser = new ConjunctionConstraintParser(expressionExpr);
constraint = parser.parse();
Assert.assertTrue(constraint instanceof Or);
parser = new ConjunctionConstraintParser(expressionExpr);
constraint = parser.parse();
Assert.assertTrue(constraint instanceof Or);
parser = new ConjunctionConstraintParser(expressionExpr);
constraint = parser.parse();
Assert.assertTrue(constraint instanceof Or);

parser = new ConjunctionConstraintParser(expressionExpr);
constraint = parser.parse();
Assert.assertTrue(constraint instanceof And);
parser = new ConjunctionConstraintParser(expressionExpr);
constraint = parser.parse();
Assert.assertTrue(constraint instanceof And);
parser = new ConjunctionConstraintParser(expressionExpr);
constraint = parser.parse();
Assert.assertTrue(constraint instanceof And);