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/*******************************************************************************
* Copyright 2014 See AUTHORS file.
*
* 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.badlogic.gdx.ai.pfa;
/** A {@code GraphPath} represents a path in a {@link Graph}. Note that a path can be defined in terms of nodes or
* {@link Connection connections} so that multiple edges between the same pair of nodes can be discriminated.
*
* @param Type of node
*
* @author davebaol */
public interface GraphPath extends Iterable {
/** Returns the number of items of this path. */
public int getCount ();
/** Returns the item of this path at the given index. */
public N get (int index);
/** Adds an item at the end of this path. */
public void add (N node);
/** Clears this path. */
public void clear ();
/** Reverses this path. */
public void reverse ();
}