package com.thinkbiganalytics.nifi.provenance.model;
/*-
* #%L
* thinkbig-nifi-provenance-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 java.io.Serializable;
import java.util.List;
import java.util.UUID;
/**
* Group all the Batch ProvenanceEvent objects together and send this parent object over to JMS
*/
public class ProvenanceEventRecordDTOHolder implements Serializable {
/**
* Unique UUID for the group of events
*/
private String batchId;
/**
* The list of events to send
*/
private List<ProvenanceEventRecordDTO> events;
public ProvenanceEventRecordDTOHolder() {
this.batchId = UUID.randomUUID().toString();
}
/**
* calculate the max event id
*
* @return The max event id in the collection
*/
public Long getMaxEventId() {
if (events != null) {
return events.stream().mapToLong(e -> e.getEventId()).max().getAsLong();
}
return -1L;
}
/**
* Calculate the min event Id
*
* @return the min event id in the collection
*/
public Long getMinEventId() {
if (events != null) {
return events.stream().mapToLong(e -> e.getEventId()).min().getAsLong();
}
return -1L;
}
/**
* get all the events in the collection
*/
public List<ProvenanceEventRecordDTO> getEvents() {
return events;
}
/**
* sets the events to be processed
*
* @param events the events to collect
*/
public void setEvents(List<ProvenanceEventRecordDTO> events) {
this.events = events;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("ProvenanceEventRecordDTOHolder{");
sb.append("events=").append(events != null ? events.size() : 0);
sb.append('}');
return sb.toString();
}
/**
* get the Unique Id for this collection of events
*/
public String getBatchId() {
return batchId;
}
}