Module io.github.mmm.base

Package io.github.mmm.base.lang

Interface Composable<C>

Type Parameters:

C - type of the children. Should typically be the sub-type implementing this interface itself.

All Superinterfaces:

Iterable<C>

public interface Composable<C>
extends Iterable<C>

Interface for an object that may contain children.

Since:

1.0.0

Method Summary

Modifier and Type	Method	Description
C	getChild(int index)	Gets the child-object at the given index.
int	getChildCount()
default Iterator<C>	iterator()

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Details

getChildCount

int getChildCount()

Returns:

the number of contained children.

See Also:

• getChild(int)
• Collection.size()

getChild

C getChild(int index)

Gets the child-object at the given index.

Parameters:

index - is the index of the child to get.

Returns:

the requested child or null if no such child exists because the given index is not in the range from 0 to child-count - 1.

See Also:

• List.get(int)

iterator

default Iterator<C> iterator()

Specified by:

iterator in interface Iterable<C>