| /* |
| * 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.beam.sdk.io.aws.sqs; |
| |
| import com.amazonaws.services.sqs.model.Message; |
| import java.io.Serializable; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Optional; |
| import org.apache.beam.sdk.io.UnboundedSource; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Objects; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| |
| class SqsCheckpointMark implements UnboundedSource.CheckpointMark, Serializable { |
| |
| private final List<Message> messagesToDelete; |
| private final transient Optional<SqsUnboundedReader> reader; |
| |
| public SqsCheckpointMark(SqsUnboundedReader reader, Collection<Message> messagesToDelete) { |
| this.reader = Optional.of(reader); |
| this.messagesToDelete = ImmutableList.copyOf(messagesToDelete); |
| ; |
| } |
| |
| @Override |
| public void finalizeCheckpoint() { |
| reader.ifPresent(r -> r.delete(messagesToDelete)); |
| } |
| |
| List<Message> getMessagesToDelete() { |
| return messagesToDelete; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| SqsCheckpointMark that = (SqsCheckpointMark) o; |
| return Objects.equal(messagesToDelete, that.messagesToDelete); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(messagesToDelete); |
| } |
| } |