org.rapidoid.process.ProcessCrawlerThread Maven / Gradle / Ivy
package org.rapidoid.process;
/*
* #%L
* rapidoid-commons
* %%
* Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
* %%
* 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 org.rapidoid.activity.AbstractLoopThread;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.collection.Coll;
import java.util.Set;
@Authors("Nikolche Mihajlovski")
@Since("5.3.0")
public class ProcessCrawlerThread extends AbstractLoopThread {
private final Set handles;
ProcessCrawlerThread(Set handles) {
super("process-crawler");
setDaemon(true);
this.handles = handles;
}
@Override
protected void loop() {
// use a copy because the handles set is synchronized
for (ProcessHandle handle : Coll.copyOf(handles)) {
visit(handle);
}
}
private void visit(ProcessHandle handle) {
if (!handle.isAlive() && handle.finishedAt() == null) {
handle.onTerminated();
}
}
}