| /* |
| * 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.iceberg; |
| |
| import java.nio.ByteBuffer; |
| |
| /** |
| * Iceberg internally tracked field level metrics, used by Parquet and ORC writers only. |
| * <p> |
| * Parquet/ORC keeps track of most metrics in file statistics, and only NaN counter is actually tracked by writers. |
| * This wrapper ensures that metrics not being updated by those writers will not be incorrectly used, by throwing |
| * exceptions when they are accessed. |
| */ |
| public class FloatFieldMetrics extends FieldMetrics { |
| |
| /** |
| * Constructor for creating a FieldMetrics with only NaN counter. |
| * @param id field id being tracked by the writer |
| * @param nanValueCount number of NaN values, will only be non-0 for double or float field. |
| */ |
| public FloatFieldMetrics(int id, |
| long nanValueCount) { |
| super(id, 0L, 0L, nanValueCount, null, null); |
| } |
| |
| @Override |
| public long valueCount() { |
| throw new IllegalStateException("Shouldn't access this method, as this metric is tracked in file statistics. "); |
| } |
| |
| @Override |
| public long nullValueCount() { |
| throw new IllegalStateException("Shouldn't access this method, as this metric is tracked in file statistics. "); |
| } |
| |
| @Override |
| public ByteBuffer lowerBound() { |
| throw new IllegalStateException("Shouldn't access this method, as this metric is tracked in file statistics. "); |
| } |
| |
| @Override |
| public ByteBuffer upperBound() { |
| throw new IllegalStateException("Shouldn't access this method, as this metric is tracked in file statistics. "); |
| } |
| } |