datomic

Class Util

java.lang.Object

datomic.Util

public final class Util
extends java.lang.Object

Utilities for creating and using data structures.

Method Summary

Modifier and Type	Method and 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