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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.vertexfactory;

import org.deeplearning4j.graph.api.Vertex;

public class StringVertexFactory implements VertexFactory {

    private final String format;

    public StringVertexFactory() {
        this(null);
    }

    public StringVertexFactory(String format) {
        this.format = format;
    }

    @Override
    public Vertex create(int vertexIdx) {
        if (format != null)
            return new Vertex<>(vertexIdx, String.format(format, vertexIdx));
        else
            return new Vertex<>(vertexIdx, String.valueOf(vertexIdx));
    }
}