statefun-flink/statefun-flink-common/src/main/java/org/apache/flink/statefun/flink/common/protopath/PathFragment.java

/*
 * 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 org.apache.flink.statefun.flink.common.protopath;

import java.util.Objects;

final class PathFragment {
  private final String name;
  private final int index;

  PathFragment(String name, int index) {
    this.name = name;
    this.index = index;
  }

  PathFragment(String name) {
    this(name, -1);
  }

  boolean isRepeated() {
    return index >= 0;
  }

  public String getName() {
    return name;
  }

  int getIndex() {
    return index;
  }

  @Override
  public String toString() {
    return "ParsedField{" + "name='" + name + '\'' + ", index=" + index + '}';
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    PathFragment that = (PathFragment) o;
    return index == that.index && name.equals(that.name);
  }

  @Override
  public int hashCode() {
    return Objects.hash(name, index);
  }
}