package polly.rx; import de.skuzzle.polly.sdk.Types; import de.skuzzle.polly.sdk.Types.NumberType; import de.skuzzle.polly.sdk.constraints.AttributeConstraint; public class DockLevelConstraint implements AttributeConstraint { @Override public boolean accept(Types type) { return type instanceof NumberType && ((NumberType) type).getValue() > 0; } }