| /* |
| * 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.fs.s3.common.writer; |
| |
| import org.apache.flink.core.fs.RecoverableWriter; |
| |
| import com.amazonaws.services.s3.model.PartETag; |
| |
| import javax.annotation.Nullable; |
| |
| import java.util.List; |
| |
| import static org.apache.flink.util.Preconditions.checkArgument; |
| import static org.apache.flink.util.Preconditions.checkNotNull; |
| |
| /** |
| * Data object to recover an S3 MultiPartUpload for a recoverable output stream. |
| */ |
| public final class S3Recoverable implements RecoverableWriter.ResumeRecoverable { |
| |
| private final String uploadId; |
| |
| private final String objectName; |
| |
| private final List<PartETag> parts; |
| |
| @Nullable |
| private final String lastPartObject; |
| |
| private long numBytesInParts; |
| |
| private long lastPartObjectLength; |
| |
| S3Recoverable( |
| String objectName, |
| String uploadId, |
| List<PartETag> parts, |
| long numBytesInParts |
| ) { |
| this(objectName, uploadId, parts, numBytesInParts, null, -1L); |
| } |
| |
| S3Recoverable( |
| String objectName, |
| String uploadId, |
| List<PartETag> parts, |
| long numBytesInParts, |
| @Nullable String lastPartObject, |
| long lastPartObjectLength |
| ) { |
| checkArgument(numBytesInParts >= 0L); |
| checkArgument(lastPartObject == null || lastPartObjectLength > 0L); |
| |
| this.objectName = checkNotNull(objectName); |
| this.uploadId = checkNotNull(uploadId); |
| this.parts = checkNotNull(parts); |
| this.numBytesInParts = numBytesInParts; |
| |
| this.lastPartObject = lastPartObject; |
| this.lastPartObjectLength = lastPartObjectLength; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| public String uploadId() { |
| return uploadId; |
| } |
| |
| public String getObjectName() { |
| return objectName; |
| } |
| |
| public List<PartETag> parts() { |
| return parts; |
| } |
| |
| public long numBytesInParts() { |
| return numBytesInParts; |
| } |
| |
| @Nullable |
| public String incompleteObjectName() { |
| return lastPartObject; |
| } |
| |
| public long incompleteObjectLength() { |
| return lastPartObjectLength; |
| } |
| |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public String toString() { |
| StringBuilder buf = new StringBuilder(128); |
| buf.append("S3Recoverable: "); |
| buf.append("key=").append(objectName); |
| buf.append(", uploadId=").append(uploadId); |
| buf.append(", bytesInParts=").append(numBytesInParts); |
| buf.append(", parts=["); |
| int num = 0; |
| for (PartETag part : parts) { |
| if (0 != num++) { |
| buf.append(", "); |
| } |
| buf.append(part.getPartNumber()).append('=').append(part.getETag()); |
| } |
| buf.append("], trailingPart=").append(lastPartObject); |
| buf.append("trailingPartLen=").append(lastPartObjectLength); |
| |
| return buf.toString(); |
| } |
| } |