| /* |
| * 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 org.apache.iceberg.expressions.Expression; |
| import org.apache.iceberg.relocated.com.google.common.base.MoreObjects; |
| |
| /** A split of a {@link PositionDeletesScanTask} that is mergeable. */ |
| class SplitPositionDeletesScanTask |
| implements PositionDeletesScanTask, MergeableScanTask<PositionDeletesScanTask> { |
| |
| private final PositionDeletesScanTask parentTask; |
| private final long offset; |
| private final long length; |
| |
| protected SplitPositionDeletesScanTask( |
| PositionDeletesScanTask parentTask, long offset, long length) { |
| this.parentTask = parentTask; |
| this.offset = offset; |
| this.length = length; |
| } |
| |
| @Override |
| public DeleteFile file() { |
| return parentTask.file(); |
| } |
| |
| @Override |
| public PartitionSpec spec() { |
| return parentTask.spec(); |
| } |
| |
| @Override |
| public long start() { |
| return offset; |
| } |
| |
| @Override |
| public long length() { |
| return length; |
| } |
| |
| @Override |
| public Expression residual() { |
| return parentTask.residual(); |
| } |
| |
| @Override |
| public boolean canMerge(org.apache.iceberg.ScanTask other) { |
| if (other instanceof SplitPositionDeletesScanTask) { |
| SplitPositionDeletesScanTask that = (SplitPositionDeletesScanTask) other; |
| return file().equals(that.file()) && offset + length == that.start(); |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public SplitPositionDeletesScanTask merge(org.apache.iceberg.ScanTask other) { |
| SplitPositionDeletesScanTask that = (SplitPositionDeletesScanTask) other; |
| return new SplitPositionDeletesScanTask(parentTask, offset, length + that.length()); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this) |
| .add("file", file().path()) |
| .add("partition_data", file().partition()) |
| .add("offset", offset) |
| .add("length", length) |
| .add("residual", residual()) |
| .toString(); |
| } |
| } |