/*
* 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.remote.internal.hub.protocol.ChannelIdentifier;
import org.gradle.internal.remote.internal.hub.protocol.InterHubMessage;
import org.gradle.internal.remote.internal.hub.protocol.Routable;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.locks.Lock;
public class MultiChannelQueue {
private final Lock lock;
private final Map<ChannelIdentifier, MultiEndPointQueue> channels = new HashMap<ChannelIdentifier, MultiEndPointQueue>();
private final QueueInitializer initializer = new QueueInitializer();
public MultiChannelQueue(Lock lock) {
this.lock = lock;
}
public MultiEndPointQueue getChannel(ChannelIdentifier channel) {
MultiEndPointQueue queue = channels.get(channel);
if (queue == null) {
queue = new MultiEndPointQueue(lock);
channels.put(channel, queue);
initializer.onQueueAdded(queue);
}
return queue;
}
public void queue(InterHubMessage message) {
if (message.getDelivery() == InterHubMessage.Delivery.Stateful) {
initializer.onStatefulMessage(message);
}
if (message instanceof Routable) {
Routable routableMessage = (Routable) message;
getChannel(routableMessage.getChannel()).dispatch(message);
} else if (message.getDelivery() == InterHubMessage.Delivery.Stateful || message.getDelivery() == InterHubMessage.Delivery.AllHandlers) {
for (MultiEndPointQueue queue : channels.values()) {
queue.dispatch(message);
}
} else {
throw new IllegalArgumentException(String.format("Don't know how to route message %s.", message));
}
}
}