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/*
 *  ******************************************************************************
 *  *
 *  *
 *  * This program and the accompanying materials are made available under the
 *  * terms of the Apache License, Version 2.0 which is available at
 *  * https://www.apache.org/licenses/LICENSE-2.0.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * 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.
 *  *
 *  * SPDX-License-Identifier: Apache-2.0
 *  *****************************************************************************
 */

package org.deeplearning4j.graph.models;

import org.deeplearning4j.graph.api.IGraph;
import org.deeplearning4j.graph.api.Vertex;
import org.nd4j.linalg.api.ndarray.INDArray;

import java.io.Serializable;

public interface GraphVectors extends Serializable {

    public IGraph getGraph();

    public int numVertices();

    public int getVectorSize();

    public INDArray getVertexVector(Vertex vertex);

    public INDArray getVertexVector(int vertexIdx);

    public int[] verticesNearest(int vertexIdx, int top);

    double similarity(Vertex vertex1, Vertex vertex2);

    double similarity(int vertexIdx1, int vertexIdx2);

}