com.diffplug.common.base

Interface TreeDef<T>

All Known Subinterfaces:

TreeDef.Parented<T>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface TreeDef<T>

Function which defines a Tree structure based on a root object.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	TreeDef.Parented<T> A "doubly-linked" tree, where nodes know about both their parent and their children.

Method Summary

Modifier and Type	Method and Description
java.util.List<T>	childrenOf(T node) Returns all the children of the given node.
default TreeDef<T>	filter(java.util.function.Predicate<T> predicate) Returns a new TreeDef which whose childrenOf() method is filtered by the given predicate.
static <T> java.util.List<T>	filteredList(java.util.List<T> unfiltered, java.util.function.Predicate<T> filter) Returns a filtered version of the given list.
static <T> TreeDef<T>	of(java.util.function.Function<T,java.util.List<T>> childFunc) Creates a TreeDef which is implemented by the given function.

Method Detail

childrenOf

java.util.List<T> childrenOf(T node)

Returns all the children of the given node.

filter

default TreeDef<T> filter(java.util.function.Predicate<T> predicate)

Returns a new TreeDef which whose childrenOf() method is filtered by the given predicate.

of

static <T> TreeDef<T> of(java.util.function.Function<T,java.util.List<T>> childFunc)

Creates a TreeDef which is implemented by the given function.

filteredList

static <T> java.util.List<T> filteredList(java.util.List<T> unfiltered,
                                          java.util.function.Predicate<T> filter)

Returns a filtered version of the given list.