package com.thinkbiganalytics.metadata.rest.model.feed;
/*-
* #%L
* thinkbig-metadata-rest-model
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.thinkbiganalytics.metadata.rest.model.data.Datasource;
import org.apache.commons.lang3.StringUtils;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
*/
public class FeedLineage {
private Map<String, Feed> feedMap;
private Feed feed;
private Map<String, Datasource> datasourceMap = new HashMap<>();
private Map<String, FeedLineageStyle> styles;
public FeedLineage(Feed feed, Map<String, FeedLineageStyle> styles) {
this.feed = feed;
this.feedMap = new HashMap<>();
this.styles = styles;
serialize(this.feed);
}
@JsonIgnore
private void serialize(Feed feed) {
if (feed.getDependentFeeds() != null) {
Set<String> ids = new HashSet<>();
Set<Feed> dependentFeeds = new HashSet<>(feed.getDependentFeeds());
feed.setDependentFeeds(null);
dependentFeeds.stream().forEach(depFeed -> {
feedMap.put(depFeed.getId(), depFeed);
ids.add(depFeed.getId());
if (depFeed.getDependentFeeds() != null) {
serialize(depFeed);
}
}
);
feed.setDependentFeedIds(ids);
}
if (feed.getUsedByFeeds() != null) {
Set<String> ids = new HashSet<>();
Set<Feed> usedByFeeds = new HashSet<>(feed.getUsedByFeeds());
feed.getUsedByFeeds().clear();
usedByFeeds.stream().forEach(depFeed -> {
feedMap.put(depFeed.getId(), depFeed);
ids.add(depFeed.getId());
if (depFeed.getUsedByFeeds() != null) {
serialize(depFeed);
}
}
);
feed.setUsedByFeedIds(ids);
}
if (feed.getSources() != null) {
feed.getSources().forEach(feedSource -> {
Datasource ds = serializeDatasource(feedSource.getDatasource());
feedSource.setDatasource(null);
if (StringUtils.isBlank(feedSource.getDatasourceId())) {
feedSource.setDatasourceId(ds != null ? ds.getId() : null);
}
});
}
if (feed.getDestinations() != null) {
feed.getDestinations().forEach(feedDestination -> {
Datasource ds = serializeDatasource(feedDestination.getDatasource());
feedDestination.setDatasource(null);
if (StringUtils.isBlank(feedDestination.getDatasourceId())) {
feedDestination.setDatasourceId(ds != null ? ds.getId() : null);
}
});
}
feedMap.put(feed.getId(), feed);
}
private Datasource serializeDatasource(Datasource ds) {
if (ds != null) {
if (!datasourceMap.containsKey(ds.getId())) {
datasourceMap.put(ds.getId(), ds);
if (ds.getSourceForFeeds() != null) {
ds.getSourceForFeeds().forEach(sourceFeed -> {
Feed serializedFeed = feedMap.get(sourceFeed.getId());
if (serializedFeed == null) {
serialize(sourceFeed);
} else {
sourceFeed = serializedFeed;
}
});
}
if (ds.getDestinationForFeeds() != null) {
ds.getDestinationForFeeds().forEach(destFeed -> {
Feed serializedFeed = feedMap.get(destFeed.getId());
if (serializedFeed == null) {
serialize(destFeed);
} else {
destFeed = serializedFeed;
}
});
}
}
return datasourceMap.get(ds.getId());
}
return null;
}
public Map<String, Feed> getFeedMap() {
return feedMap;
}
public void setFeedMap(Map<String, Feed> feedMap) {
this.feedMap = feedMap;
}
public Feed getFeed() {
return feed;
}
public void setFeed(Feed feed) {
this.feed = feed;
}
public Map<String, Datasource> getDatasourceMap() {
return datasourceMap;
}
public void setDatasourceMap(Map<String, Datasource> datasourceMap) {
this.datasourceMap = datasourceMap;
}
public Map<String, FeedLineageStyle> getStyles() {
return styles;
}
public void setStyles(Map<String, FeedLineageStyle> styles) {
this.styles = styles;
}
}