| /* |
| * 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.nifi.registry.provider.flow.git; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| |
| class Bucket { |
| private final String bucketId; |
| private String bucketDirName; |
| |
| /** |
| * Flow ID to Flow. |
| */ |
| private Map<String, Flow> flows = new HashMap<>(); |
| |
| public Bucket(String bucketId) { |
| this.bucketId = bucketId; |
| } |
| |
| public String getBucketId() { |
| return bucketId; |
| } |
| |
| /** |
| * Returns the directory name of this bucket. |
| * @return can be different from original bucket name if it contained sanitized character. |
| */ |
| public String getBucketDirName() { |
| return bucketDirName; |
| } |
| |
| /** |
| * Set the name of bucket directory. |
| * @param bucketDirName The directory name must be sanitized, use {@link org.apache.nifi.registry.util.FileUtils#sanitizeFilename(String)} to do so. |
| */ |
| public void setBucketDirName(String bucketDirName) { |
| this.bucketDirName = bucketDirName; |
| } |
| |
| public Flow getFlowOrCreate(String flowId) { |
| return this.flows.computeIfAbsent(flowId, k -> new Flow(flowId)); |
| } |
| |
| public Optional<Flow> getFlow(String flowId) { |
| return Optional.ofNullable(flows.get(flowId)); |
| } |
| |
| public void removeFlow(String flowId) { |
| flows.remove(flowId); |
| } |
| |
| public boolean isEmpty() { |
| return flows.isEmpty(); |
| } |
| |
| Map<String, Flow> getFlows() { |
| return flows; |
| } |
| |
| /** |
| * Serialize the latest version of this Bucket meta data. |
| * @return serialized bucket |
| */ |
| Map<String, Object> serialize() { |
| final Map<String, Object> map = new HashMap<>(); |
| |
| map.put(GitFlowMetaData.LAYOUT_VERSION, GitFlowMetaData.CURRENT_LAYOUT_VERSION); |
| map.put(GitFlowMetaData.BUCKET_ID, bucketId); |
| map.put(GitFlowMetaData.FLOWS, |
| flows.keySet().stream().collect(Collectors.toMap(k -> k, k -> flows.get(k).serialize()))); |
| |
| return map; |
| } |
| } |