org.apache.camel.component.kamelet.KameletConsumer Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.kamelet;
import org.apache.camel.Processor;
import org.apache.camel.ShutdownRunningTask;
import org.apache.camel.Suspendable;
import org.apache.camel.spi.InflightRepository;
import org.apache.camel.spi.ShutdownAware;
import org.apache.camel.support.DefaultConsumer;
final class KameletConsumer extends DefaultConsumer implements ShutdownAware, Suspendable {
private final InflightRepository inflight;
private final KameletComponent component;
private final String key;
public KameletConsumer(KameletEndpoint endpoint, Processor processor, String key) {
super(endpoint, processor);
this.component = endpoint.getComponent();
this.key = key;
this.inflight = endpoint.getCamelContext().getInflightRepository();
}
@Override
public KameletEndpoint getEndpoint() {
return (KameletEndpoint) super.getEndpoint();
}
@Override
protected void doStart() throws Exception {
super.doStart();
component.addConsumer(key, this);
}
@Override
protected void doStop() throws Exception {
component.removeConsumer(key, this);
super.doStop();
}
@Override
protected void doSuspend() throws Exception {
component.removeConsumer(key, this);
}
@Override
protected void doResume() throws Exception {
// resume by using the start logic
component.addConsumer(key, this);
}
@Override
public boolean deferShutdown(ShutdownRunningTask shutdownRunningTask) {
// deny stopping on shutdown as we want kamelet consumers to run in
// case some other queues depend on this consumer to run, so it can
// complete its exchanges
return true;
}
@Override
public int getPendingExchangesSize() {
// capture the inflight counter from the route
return inflight.size(getRouteId());
}
@Override
public void prepareShutdown(boolean suspendOnly, boolean forced) {
// noop
}
}