Class ResultPath

java.lang.Object
graphql.execution.ResultPath
@PublicApi public class ResultPath extends Object
As a graphql query is executed, each field forms a hierarchical path from parent field to child field and this class represents that path as a series of segments.

  • Field Details

    • ROOT_PATH

      private static final ResultPath ROOT_PATH

    • parent

      private final ResultPath parent

    • segment

      private final Object segment

    • hash

      private int hash

  • Constructor Details

    • ResultPath

      private ResultPath()

    • ResultPath

      private ResultPath(ResultPath parent, String segment)

    • ResultPath

      private ResultPath(ResultPath parent, int segment)

  • Method Details

    • rootPath

      public static ResultPath rootPath()
      All paths start from here
      Returns:
      the root path

    • getLevel

      public int getLevel()

    • getPathWithoutListEnd

      public ResultPath getPathWithoutListEnd()

    • isListSegment

      public boolean isListSegment()
      Returns:
      true if the end of the path has a list style segment eg 'a/b[2]'

    • isNamedSegment

      public boolean isNamedSegment()
      Returns:
      true if the end of the path has a named style segment eg 'a/b[2]/c'

    • getSegmentName

      public String getSegmentName()

    • getSegmentIndex

      public int getSegmentIndex()

    • getSegmentValue

      public Object getSegmentValue()

    • getParent

      public ResultPath getParent()

    • parse

      public static ResultPath parse(String pathString)
      Parses an execution path from the provided path string in the format /segment1/segment2[index]/segmentN
      Parameters:
      pathString - the path string
      Returns:
      a parsed execution path

    • fromList

      public static ResultPath fromList(List<?> objects)
      This will create an execution path from the list of objects
      Parameters:
      objects - the path objects
      Returns:
      a new execution path

    • mkErrMsg

      private static String mkErrMsg()

    • segment

      public ResultPath segment(String segment)
      Takes the current path and adds a new segment to it, returning a new path
      Parameters:
      segment - the string path segment to add
      Returns:
      a new path containing that segment

    • segment

      public ResultPath segment(int segment)
      Takes the current path and adds a new segment to it, returning a new path
      Parameters:
      segment - the int path segment to add
      Returns:
      a new path containing that segment

    • dropSegment

      public ResultPath dropSegment()
      Drops the last segment off the path
      Returns:
      a new path with the last segment dropped off

    • replaceSegment

      public ResultPath replaceSegment(int segment)
      Replaces the last segment on the path eg ResultPath.parse("/a/b[1]").replaceSegment(9) equals "/a/b[9]"
      Parameters:
      segment - the integer segment to use
      Returns:
      a new path with the last segment replaced

    • replaceSegment

      public ResultPath replaceSegment(String segment)
      Replaces the last segment on the path eg ResultPath.parse("/a/b[1]").replaceSegment("x") equals "/a/b/x"
      Parameters:
      segment - the string segment to use
      Returns:
      a new path with the last segment replaced

    • isRootPath

      public boolean isRootPath()
      Returns:
      true if the path is the rootPath()

    • append

      public ResultPath append(ResultPath path)
      Appends the provided path to the current one
      Parameters:
      path - the path to append
      Returns:
      a new path

    • sibling

      public ResultPath sibling(String siblingField)

    • sibling

      public ResultPath sibling(int siblingField)

    • toList

      public List<Object> toList()
      Returns:
      converts the path into a list of segments

    • getKeysOnly

      public List<String> getKeysOnly()
      Returns:
      this path as a list of result keys, without any indices

    • toString

      public String toString()
      Overrides:
      toString in class Object
      Returns:
      the path as a string which represents the call hierarchy

    • segmentToString

      public String segmentToString()

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object