Package datomic

Class Util

java.lang.Object

datomic.Util

public final class Util
extends Object

Utilities for creating and using data structures.

Method Summary

Modifier and Type	Method	Description
static List	list(Object... items)	Creates an immutable List.
static Map	map(Object... keyvals)	Creates an immutable Map.
static String	name(Object k)	Returns the name part of a keyword or symbol.
static String	namespace(Object k)	Returns the namespace part of a keyword or symbol.
static Object	read(String source)	Reads one item from source, returning it.
static List	readAll(Reader reader)	Reads all the data in reader, returning a List.
static Stream	streamOn(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 Details

name

public static String name(Object k)

Returns the name part of a keyword or symbol.

Parameters:

k - - a keyword or symbol

Returns:

the name

namespace

public static String namespace(Object k)

Returns the namespace part of a keyword or symbol.

Parameters:

k - - a Keyword

Returns:

the namespace

list

public static List list(Object... items)

Creates an immutable List.

Parameters:

items - - Objects to be included in the List

Returns:

an unmodifiable List

map

public static Map map(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 Object read(String source)

Reads one item from source, returning it.

Parameters:

source - an edn string

Returns:

the object read

readAll

public static List readAll(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 Stream streamOn(Iterable it)

Create a stream on an immutable Iterable.

Parameters:

it - an Iterator

Returns:

a sequential Stream