java/vector/src/main/java/org/apache/arrow/vector/complex/impl/AbstractBaseWriter.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.arrow.vector.complex.impl;

import org.apache.arrow.vector.complex.writer.FieldWriter;


abstract class AbstractBaseWriter implements FieldWriter {
  //private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(AbstractBaseWriter.class);

  final FieldWriter parent;
  private int index;

  public AbstractBaseWriter(FieldWriter parent) {
    this.parent = parent;
  }

  @Override
  public String toString() {
    return super.toString() + "[index = " + index + ", parent = " + parent + "]";
  }

  @Override
  public FieldWriter getParent() {
    return parent;
  }

  public boolean isRoot() {
    return parent == null;
  }

  int idx() {
    return index;
  }

  @Override
  public void setPosition(int index) {
    this.index = index;
  }

  @Override
  public void end() {
  }
}