/*
* Copyright 2016 the original author or authors.
*
* 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.
*/
package org.gradle.internal.remote.internal.hub.queue;
import org.gradle.internal.UncheckedException;
import org.gradle.internal.dispatch.Dispatch;
import org.gradle.internal.remote.internal.hub.protocol.InterHubMessage;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.locks.Condition;
public class EndPointQueue implements Dispatch<InterHubMessage> {
private final List<InterHubMessage> queue = new ArrayList<InterHubMessage>();
private final MultiEndPointQueue owner;
private final Condition condition;
public EndPointQueue(MultiEndPointQueue owner, Condition condition) {
this.owner = owner;
this.condition = condition;
}
public void dispatch(InterHubMessage message) {
queue.add(message);
condition.signalAll();
}
public void take(Collection<InterHubMessage> drainTo) {
if (queue.isEmpty()) {
owner.empty(this);
while (queue.isEmpty()) {
try {
condition.await();
} catch (InterruptedException e) {
throw UncheckedException.throwAsUncheckedException(e);
}
}
}
drainTo.addAll(queue);
queue.clear();
}
public void stop() {
owner.stopped(this);
}
}