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/*
 * Copyright 2015 Open Networking Laboratory
 *
 * 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 org.onosproject.net;

import java.util.Objects;

import com.google.common.base.MoreObjects;

/*
 * Representation of NSH Service path Identifier
 */
public final class NshServicePathId {

    private final int servicePathId;

    /**
     * Default constructor.
     *
     * @param servicePathId nsh service path identifier
     */
    private NshServicePathId(int servicePathId) {
        this.servicePathId = servicePathId;
    }

    /**
     * Returns the NshServicePathId by setting its value.
     *
     * @param servicePathId nsh service path identifier
     * @return NshServicePathId
     */
    public static NshServicePathId of(int servicePathId) {
        return new NshServicePathId(servicePathId);
    }


    /**
     * Returns nsh context service path identifier.
     *
     * @return the nsh context service path id
     */
    public int servicePathId() {
        return servicePathId;
    }


    @Override
    public int hashCode() {
        return Objects.hash(servicePathId);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (!(obj instanceof NshServicePathId)) {
            return false;
        }
        final NshServicePathId other = (NshServicePathId) obj;
        return   Objects.equals(this.servicePathId, other.servicePathId);
    }

    @Override
    public String toString() {
        return MoreObjects.toStringHelper(this)
                .add("servicePathId", servicePathId)
                .toString();
    }
}