/*
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.table.runtime.arrow.vectors;

import org.apache.flink.annotation.Internal;
import org.apache.flink.table.data.vector.BooleanColumnVector;
import org.apache.flink.util.Preconditions;

import org.apache.arrow.vector.BitVector;

/**
 * Arrow column vector for Boolean.
 */
@Internal
public final class ArrowBooleanColumnVector implements BooleanColumnVector {

	/**
	 * Container which is used to store the sequence of boolean values of a column to read.
	 */
	private final BitVector bitVector;

	public ArrowBooleanColumnVector(BitVector bitVector) {
		this.bitVector = Preconditions.checkNotNull(bitVector);
	}

	@Override
	public boolean getBoolean(int i) {
		return bitVector.get(i) != 0;
	}

	@Override
	public boolean isNullAt(int i) {
		return bitVector.isNull(i);
	}
}
