org.graylog2.streams.StreamRuleServiceImpl Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.streams;
import com.google.common.collect.Maps;
import com.mongodb.BasicDBObject;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import org.bson.types.ObjectId;
import org.graylog2.database.MongoConnection;
import org.graylog2.database.NotFoundException;
import org.graylog2.database.PersistedServiceImpl;
import org.graylog2.plugin.streams.Stream;
import org.graylog2.plugin.streams.StreamRule;
import org.graylog2.rest.resources.streams.rules.requests.CreateStreamRuleRequest;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class StreamRuleServiceImpl extends PersistedServiceImpl implements StreamRuleService {
@Inject
public StreamRuleServiceImpl(MongoConnection mongoConnection) {
super(mongoConnection);
collection(StreamRuleImpl.class).createIndex(StreamRuleImpl.FIELD_STREAM_ID);
}
@Override
public StreamRule load(String id) throws NotFoundException {
BasicDBObject o = (BasicDBObject) get(StreamRuleImpl.class, new ObjectId(id));
if (o == null) {
throw new NotFoundException("Couldn't find stream rule with ID" + id);
}
return new StreamRuleImpl((ObjectId) o.get("_id"), o.toMap());
}
@Override
public List loadForStream(Stream stream) throws NotFoundException {
return loadForStreamId(stream.getId());
}
@Override
public StreamRule create(Map data) {
return new StreamRuleImpl(data);
}
@Override
public StreamRule create(String streamId, CreateStreamRuleRequest cr) {
Map streamRuleData = Maps.newHashMap();
streamRuleData.put(StreamRuleImpl.FIELD_TYPE, cr.type());
streamRuleData.put(StreamRuleImpl.FIELD_VALUE, cr.value());
streamRuleData.put(StreamRuleImpl.FIELD_FIELD, cr.field());
streamRuleData.put(StreamRuleImpl.FIELD_INVERTED, cr.inverted());
streamRuleData.put(StreamRuleImpl.FIELD_STREAM_ID, new ObjectId(streamId));
streamRuleData.put(StreamRuleImpl.FIELD_DESCRIPTION, cr.description());
return new StreamRuleImpl(streamRuleData);
}
@Override
public List loadForStreamId(String streamId) throws NotFoundException {
ObjectId id = new ObjectId(streamId);
final List streamRules = new ArrayList<>();
final List respStreamRules = query(StreamRuleImpl.class,
new BasicDBObject(StreamRuleImpl.FIELD_STREAM_ID, id)
);
for (DBObject streamRule : respStreamRules) {
streamRules.add(toStreamRule(streamRule));
}
return streamRules;
}
@Override
public Map> loadForStreamIds(Collection streamIds)
{
final List objectIds = streamIds.stream()
.map(ObjectId::new)
.collect(Collectors.toList());
final List respStreamRules = query(StreamRuleImpl.class,
new BasicDBObject(StreamRuleImpl.FIELD_STREAM_ID, new BasicDBObject("$in", objectIds))
);
return respStreamRules.stream()
.map(this::toStreamRule)
.collect(Collectors.groupingBy(StreamRule::getStreamId));
}
@Override
public long totalStreamRuleCount() {
return totalCount(StreamRuleImpl.class);
}
@Override
public long streamRuleCount(String streamId) {
return streamRuleCount(new ObjectId(streamId));
}
private long streamRuleCount(ObjectId streamId) {
return count(StreamRuleImpl.class, new BasicDBObject(StreamRuleImpl.FIELD_STREAM_ID, streamId));
}
@Override
public Map streamRuleCountByStream() {
final DBCursor streamIds = collection(StreamImpl.class).find(new BasicDBObject(), new BasicDBObject("_id", 1));
final Map streamRules = new HashMap<>(streamIds.size());
for (DBObject keys : streamIds) {
final ObjectId streamId = (ObjectId) keys.get("_id");
streamRules.put(streamId.toHexString(), streamRuleCount(streamId));
}
return streamRules;
}
@SuppressWarnings("unchecked")
private StreamRule toStreamRule(DBObject dbObject)
{
final Map fields = dbObject.toMap();
return new StreamRuleImpl((ObjectId) dbObject.get("_id"), fields);
}
}