Class Step


  • public abstract class Step
    extends Object
    A path is a sequence of steps.

    A step instance is immutable.

    See Also:
    Path
    • Method Detail

      • format

        public abstract String format()
        Returns the string representation of this step.
        See Also:
        Path.format()
      • isIndexed

        public abstract boolean isIndexed()
        Returns true if this Step identifies a node child by its position. The first position is 0 (in XPath, the first position is 1). For example, in the path para/item[0]/label, item[0] is an indexed step identifying position 0.

        Regarding JavaBeans, an instance of this class corresponds to an indexed property.

        See Also:
        getIndex()
      • toAbsolutePath

        public Path toAbsolutePath()
        Returns the absolute path whose unique step is this instance.
      • toSelfPath

        public Path toSelfPath()
        Returns the relative path whose first step is '.' (self step) and the second step is this instance.
      • toParentPath

        public Path toParentPath()
        Returns the relative path whose first step is '..' (parent step) and the second step is this instance.
      • isRelative

        public final boolean isRelative()
        Returns true if this instance is either self or parent step ('.' or '..').
      • isRelativeSelf

        public final boolean isRelativeSelf()
        Returns true if this instance is the self step (.).
        See Also:
        Path.SELF
      • isRelativeParent

        public final boolean isRelativeParent()
        Returns true if this instance is the parent step ('..').
        See Also:
        Path.PARENT