Class ToLowerGlobalStep<S,​E>

  • All Implemented Interfaces:
    Serializable, Cloneable, Iterator<Traverser.Admin<E>>, Step<S,​E>

    public final class ToLowerGlobalStep<S,​E>
    extends ScalarMapStep<S,​E>
    Reference implementation for toLower() step, a mid-traversal step which returns a lower case string representation of the incoming string traverser. Null values are not processed and remain as null when returned. If the incoming traverser is a non-String value then an IllegalArgumentException will be thrown.
    Author:
    David Bechberger (http://bechberger.com), Yang Xia (http://github.com/xiazcy)
    See Also:
    Serialized Form
    • Constructor Detail

      • ToLowerGlobalStep

        public ToLowerGlobalStep​(Traversal.Admin traversal)
    • Method Detail

      • getRequirements

        public Set<TraverserRequirement> getRequirements()
        Description copied from interface: Step
        Provide the necessary TraverserRequirement that must be met by the traverser in order for the step to function properly. The provided default implements returns an empty set.
        Returns:
        the set of requirements