Examples with NodePropertyExistenceConstraint org.neo4j.kernel.api.constraints.NodePropertyExistenceConstraint used on opensource projects

Example 1 with NodePropertyExistenceConstraint

use of org.neo4j.kernel.api.constraints.NodePropertyExistenceConstraint in project neo4j by neo4j.

the class GraphDbStructureGuide method showUniqueConstraints.

private void showUniqueConstraints(DbStructureVisitor visitor, ReadOperations read, TokenNameLookup nameLookup) {
    Iterator<ConstraintDescriptor> constraints = read.constraintsGetAll();
    while (constraints.hasNext()) {
        PropertyConstraint constraint = ConstraintBoundary.map(constraints.next());
        String userDescription = constraint.userDescription(nameLookup);
        if (constraint instanceof UniquenessConstraint) {
            visitor.visitUniqueConstraint((UniquenessConstraint) constraint, userDescription);
        } else if (constraint instanceof NodePropertyExistenceConstraint) {
            NodePropertyExistenceConstraint existenceConstraint = (NodePropertyExistenceConstraint) constraint;
            visitor.visitNodePropertyExistenceConstraint(existenceConstraint, userDescription);
        } else if (constraint instanceof RelationshipPropertyExistenceConstraint) {
            RelationshipPropertyExistenceConstraint existenceConstraint = (RelationshipPropertyExistenceConstraint) constraint;
            visitor.visitRelationshipPropertyExistenceConstraint(existenceConstraint, userDescription);
        } else {
            throw new IllegalArgumentException("Unknown constraint type: " + constraint.getClass() + ", " + "constraint: " + constraint);
        }
    }
}