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The Core Camel Java DSL based router
/**
* 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.management.mbean;
import java.util.Collection;
import java.util.Collections;
import java.util.Optional;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.TabularDataSupport;
import org.apache.camel.CamelContext;
import org.apache.camel.api.management.mbean.CamelOpenMBeanTypes;
import org.apache.camel.api.management.mbean.ManagedCamelHealthMBean;
import org.apache.camel.health.HealthCheck;
import org.apache.camel.health.HealthCheckHelper;
import org.apache.camel.health.HealthCheckRegistry;
import org.apache.camel.spi.ManagementStrategy;
import org.apache.camel.util.ObjectHelper;
public class ManagedCamelHealth implements ManagedCamelHealthMBean {
private final CamelContext context;
public ManagedCamelHealth(CamelContext context) {
this.context = context;
}
public void init(ManagementStrategy strategy) {
// do nothing
}
public CamelContext getContext() {
return context;
}
@Override
public boolean getIsHealthy() {
for (HealthCheck.Result result: HealthCheckHelper.invoke(context)) {
if (result.getState() == HealthCheck.State.DOWN) {
return false;
}
}
return true;
}
@Override
public Collection getHealthChecksIDs() {
HealthCheckRegistry registry = context.getHealthCheckRegistry();
if (registry != null) {
return registry.getCheckIDs();
}
return Collections.emptyList();
}
@Override
public TabularData details() {
try {
final TabularData answer = new TabularDataSupport(CamelOpenMBeanTypes.camelHealthDetailsTabularType());
final CompositeType type = CamelOpenMBeanTypes.camelHealthDetailsCompositeType();
for (HealthCheck.Result result: HealthCheckHelper.invoke(context)) {
CompositeData data = new CompositeDataSupport(
type,
new String[] {
"id",
"group",
"state",
"enabled",
"interval",
"failureThreshold"
},
new Object[] {
result.getCheck().getId(),
result.getCheck().getGroup(),
result.getState().name(),
result.getCheck().getConfiguration().isEnabled(),
result.getCheck().getConfiguration().getInterval() != null
? result.getCheck().getConfiguration().getInterval().toMillis()
: null,
result.getCheck().getConfiguration().getFailureThreshold()
}
);
answer.put(data);
}
return answer;
} catch (Exception e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
}
@Override
public String invoke(String id) {
Optional result = HealthCheckHelper.invoke(context, id, Collections.emptyMap());
return result.map(r -> r.getState().name()).orElse(HealthCheck.State.UNKNOWN.name());
}
}