Package org.eolang

Class AtOnce

java.lang.Object

org.eolang.AtOnce

All Implemented Interfaces:

Attr, Term

public final class AtOnce
extends Object
implements Attr

Attribute that retrieves object only once. It's highly recommended to use it with AtComposite.

Since:

0.1

Field Summary

Fields inherited from interface org.eolang.Attr

DELTA, LAMBDA, PHI, RHO, SIGMA

Fields inherited from interface org.eolang.Term

EMPTY

Constructor Summary

Constructors

Constructor	Description
AtOnce(Attr attr)	Ctor.

Method Summary

Modifier and Type	Method	Description
Attr	copy(Phi self)	Make a copy of it.
Phi	get()	Take the object out.
boolean	put(Phi phi)	Put a new object in.
String	toString()
String	φTerm()	To φ-calculus term, as text.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtOnce

public AtOnce(Attr attr)

Ctor.

Parameters:

attr - Origin attribute

Method Detail

toString

public String toString()

Overrides:

toString in class Object

φTerm

public String φTerm()

Description copied from interface: Term

To φ-calculus term, as text.

Specified by:

φTerm in interface Term

Returns:

The expression in φ-calculus

copy

public Attr copy(Phi self)

Description copied from interface: Attr

Make a copy of it.

Specified by:

copy in interface Attr

Parameters:

self - The object that this attribute will belong to

Returns:

A copy

get

public Phi get()

Description copied from interface: Attr

Take the object out.

Specified by:

get in interface Attr

Returns:

The object

put

public boolean put(Phi phi)

Description copied from interface: Attr

Put a new object in.

Specified by:

put in interface Attr

Parameters:

phi - The object to put

Returns:

Was attribute set