/*
* Copyright (C) 2011 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect;
import com.google.common.annotations.GwtCompatible;
/**
* A factory for extending paths in a binary search tree.
*
* @author Louis Wasserman
* @param <N> The type of binary search tree nodes used in the paths generated by this {@code
* BstPathFactory}.
* @param <P> The type of paths constructed by this {@code BstPathFactory}.
*/
@GwtCompatible
interface BstPathFactory<N extends BstNode<?, N>, P extends BstPath<N, P>> {
/**
* Returns this path extended by one node to the specified {@code side}.
*/
P extension(P path, BstSide side);
/**
* Returns the trivial path that starts at {@code root} and goes no further.
*/
P initialPath(N root);
}
|