com.envimate.mapmate.deserialization.validation.TrackingPosition Maven / Gradle / Ivy

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/*
 * Copyright (c) 2019 envimate GmbH - https://envimate.com/.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.envimate.mapmate.deserialization.validation;

import lombok.EqualsAndHashCode;
import lombok.RequiredArgsConstructor;
import lombok.ToString;

import java.util.LinkedList;
import java.util.List;

import static java.lang.String.join;

@ToString
@EqualsAndHashCode
@RequiredArgsConstructor
final class TrackingPosition {
    private final List positions;

    static TrackingPosition empty() {
        return new TrackingPosition(new LinkedList<>());
    }

    TrackingPosition next(final String name) {
        final List newPositions = new LinkedList<>(this.positions);
        newPositions.add(name);
        return new TrackingPosition(newPositions);
    }

    String render() {
        return join(".", this.positions);
    }
}