blob: 903965fc8cd621faaa8fc6a8661cac460d5528d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
package bjc.funcdata.bst;
import java.util.Comparator;
import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.function.Predicate;
/**
* A interface for the fundamental things that want to be part of a tree.
*
* @author ben
*
* @param <T>
* The data contained in this part of the tree.
*/
public interface ITreePart<T> {
/**
* Add a element below this tree part somewhere.
*
* @param element
* The element to add below this tree part
*
* @param comparator
* The thing to use for comparing values to find where to insert
* the tree part.
*/
public void add(T element, Comparator<T> comparator);
/**
* Collapses this tree part into a single value.
*
* Does not change the underlying tree.
*
* @param <E>
* The type of the final collapsed value
*
* @param nodeCollapser
* The function to use to transform data into mapped form.
*
* @param branchCollapser
* The function to use to collapse data in mapped form into a
* single value.
*
* @return A single value from collapsing the tree.
*/
public <E> E collapse(Function<T, E> nodeCollapser, BiFunction<E, E, E> branchCollapser);
/**
* Check if this tre part or below it contains the specified data item.
*
* @param element
* The data item to look for.
*
* @param comparator
* The comparator to use to search for the data item.
*
* @return Whether or not the given item is contained in this tree part
* or its children.
*/
public boolean contains(T element, Comparator<T> comparator);
/**
* Get the data associated with this tree part.
*
* @return The data associated with this tree part.
*/
public T data();
/**
* Remove the given node from this tree part and any of its children.
*
* @param element
* The data item to remove.
*
* @param comparator
* The comparator to use to search for the data item.
*/
public void delete(T element, Comparator<T> comparator);
/**
* Execute a directed walk through the tree.
*
* @param walker
* The function to use to direct the walk through the tree.
*
* @return Whether the directed walk finished successfully.
*/
public boolean directedWalk(DirectedWalkFunction<T> walker);
/**
* Execute a provided function for each element of tree it succesfully
* completes for.
*
* @param linearizationMethod
* The way to linearize the tree for executing.
*
* @param predicate
* The predicate to apply to each element, where it returning
* false terminates traversal early.
*
* @return Whether the traversal finished succesfully.
*/
public boolean forEach(TreeLinearizationMethod linearizationMethod, Predicate<T> predicate);
}
|
