stream.flow.Enqueue Maven / Gradle / Ivy
/*
* streams library
*
* Copyright (C) 2011-2012 by Christian Bockermann, Hendrik Blom
*
* streams is a library, API and runtime environment for processing high
* volume data streams. It is composed of three submodules "stream-api",
* "stream-core" and "stream-runtime".
*
* The streams library (and its submodules) is free software: you can
* redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* The stream.ai library (and its submodules) 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package stream.flow;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import stream.AbstractProcessor;
import stream.data.Data;
import stream.io.QueueService;
/**
* @author chris
*
*/
public class Enqueue extends AbstractProcessor {
static Logger log = LoggerFactory.getLogger(Enqueue.class);
String ref = null;
protected QueueService queue;
public void setQueue(QueueService queue) {
this.queue = queue;
}
/**
* @see stream.Processor#process(stream.data.Data)
*/
@Override
public Data process(Data data) {
if (queue == null) {
log.error("No QueueService injected!");
return data;
}
queue.enqueue(data);
return data;
}
}