Package datomic

Class Util

  • public final class Util
extends java.lang.Object
    Utilities for creating and using data structures.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.List list​(java.lang.Object... items)
      Creates an immutable List.
      static java.util.Map map​(java.lang.Object... keyvals)
      Creates an immutable Map.
      static java.lang.String name​(java.lang.Object k)
      Returns the name part of a keyword or symbol.
      static java.lang.String namespace​(java.lang.Object k)
      Returns the namespace part of a keyword or symbol.
      static java.lang.Object read​(java.lang.String source)
      Reads one item from source, returning it.
      static java.util.List readAll​(java.io.Reader reader)
      Reads all the data in reader, returning a List.
      static java.util.stream.Stream streamOn​(java.lang.Iterable it)
      Create a stream on an immutable Iterable.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • name

        public static java.lang.String name​(java.lang.Object k)
        Returns the name part of a keyword or symbol.
        Parameters:
        k - - a keyword or symbol
        Returns:
        the name

      • namespace

        public static java.lang.String namespace​(java.lang.Object k)
        Returns the namespace part of a keyword or symbol.
        Parameters:
        k - - a Keyword
        Returns:
        the namespace

      • list

        public static java.util.List list​(java.lang.Object... items)
        Creates an immutable List.
        Parameters:
        items - - Objects to be included in the List
        Returns:
        an unmodifiable List

      • map

        public static java.util.Map map​(java.lang.Object... keyvals)
        Creates an immutable Map.
        Parameters:
        keyvals - - pairs to include in the Map, written as key1, value1, key2, value2, and so on
        Returns:
        an unmodifiable Map

      • read

        public static java.lang.Object read​(java.lang.String source)
        Reads one item from source, returning it.
        Parameters:
        source - an edn string
        Returns:
        the object read

      • readAll

        public static java.util.List readAll​(java.io.Reader reader)
        Reads all the data in reader, returning a List. Closes reader.
        Parameters:
        reader - - the edn data to parse.
        Returns:
        a List for the parsed data.

      • streamOn

        public static java.util.stream.Stream streamOn​(java.lang.Iterable it)
        Create a stream on an immutable Iterable.
        Parameters:
        it - an Iterator
        Returns:
        a sequential Stream