stream.runtime.Container Maven / Gradle / Ivy
/*
* streams library
*
* Copyright (C) 2011-2014 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.runtime;
import java.net.URL;
import java.util.Map;
import java.util.concurrent.Callable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import stream.util.Variables;
/**
* @author hendrik
*
*/
public class Container implements Callable {
private URL url;
private Map args;
static Logger log = LoggerFactory.getLogger(Container.class);
private ProcessContainer container;
public Container(URL url) {
this.url = url;
}
public Container(URL url, Map args) {
this(url);
this.args = args;
}
@Override
public Boolean call() throws Exception {
Variables props = StreamRuntime.loadUserProperties();
if (props == null)
props = new Variables();
if (this.args != null)
props.addVariables(args);
log.debug("Creating process-container from configuration at {}", url);
container = new ProcessContainer(url, null, props);
log.info("Starting process-container...");
container.run();
log.info("Container started.");
return true;
}
public void shutdown() {
container.shutdown();
}
}