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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;
import java.util.Iterator;
import java.util.concurrent.ThreadPoolExecutor;
import org.apache.camel.CamelContext;
import org.apache.camel.Component;
import org.apache.camel.Consumer;
import org.apache.camel.DelegateProcessor;
import org.apache.camel.Endpoint;
import org.apache.camel.ErrorHandlerFactory;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.Route;
import org.apache.camel.Service;
import org.apache.camel.cluster.CamelClusterService;
import org.apache.camel.component.bean.BeanProcessor;
import org.apache.camel.component.log.LogEndpoint;
import org.apache.camel.impl.ScheduledPollConsumer;
import org.apache.camel.management.mbean.ManagedAggregateProcessor;
import org.apache.camel.management.mbean.ManagedBeanProcessor;
import org.apache.camel.management.mbean.ManagedBrowsableEndpoint;
import org.apache.camel.management.mbean.ManagedCamelContext;
import org.apache.camel.management.mbean.ManagedCamelHealth;
import org.apache.camel.management.mbean.ManagedChoice;
import org.apache.camel.management.mbean.ManagedCircuitBreakerLoadBalancer;
import org.apache.camel.management.mbean.ManagedClaimCheck;
import org.apache.camel.management.mbean.ManagedClusterService;
import org.apache.camel.management.mbean.ManagedComponent;
import org.apache.camel.management.mbean.ManagedConsumer;
import org.apache.camel.management.mbean.ManagedConvertBody;
import org.apache.camel.management.mbean.ManagedCustomLoadBalancer;
import org.apache.camel.management.mbean.ManagedDataFormat;
import org.apache.camel.management.mbean.ManagedDelayer;
import org.apache.camel.management.mbean.ManagedDynamicRouter;
import org.apache.camel.management.mbean.ManagedEndpoint;
import org.apache.camel.management.mbean.ManagedEnricher;
import org.apache.camel.management.mbean.ManagedErrorHandler;
import org.apache.camel.management.mbean.ManagedEventNotifier;
import org.apache.camel.management.mbean.ManagedFailoverLoadBalancer;
import org.apache.camel.management.mbean.ManagedFilter;
import org.apache.camel.management.mbean.ManagedIdempotentConsumer;
import org.apache.camel.management.mbean.ManagedLog;
import org.apache.camel.management.mbean.ManagedLoop;
import org.apache.camel.management.mbean.ManagedMarshal;
import org.apache.camel.management.mbean.ManagedMulticast;
import org.apache.camel.management.mbean.ManagedPollEnricher;
import org.apache.camel.management.mbean.ManagedProcess;
import org.apache.camel.management.mbean.ManagedProcessor;
import org.apache.camel.management.mbean.ManagedProducer;
import org.apache.camel.management.mbean.ManagedRandomLoadBalancer;
import org.apache.camel.management.mbean.ManagedRecipientList;
import org.apache.camel.management.mbean.ManagedRemoveHeader;
import org.apache.camel.management.mbean.ManagedRemoveHeaders;
import org.apache.camel.management.mbean.ManagedRemoveProperties;
import org.apache.camel.management.mbean.ManagedRemoveProperty;
import org.apache.camel.management.mbean.ManagedResequencer;
import org.apache.camel.management.mbean.ManagedRollback;
import org.apache.camel.management.mbean.ManagedRoundRobinLoadBalancer;
import org.apache.camel.management.mbean.ManagedRoute;
import org.apache.camel.management.mbean.ManagedRouteController;
import org.apache.camel.management.mbean.ManagedRoutingSlip;
import org.apache.camel.management.mbean.ManagedSamplingThrottler;
import org.apache.camel.management.mbean.ManagedScheduledPollConsumer;
import org.apache.camel.management.mbean.ManagedScript;
import org.apache.camel.management.mbean.ManagedSendDynamicProcessor;
import org.apache.camel.management.mbean.ManagedSendProcessor;
import org.apache.camel.management.mbean.ManagedService;
import org.apache.camel.management.mbean.ManagedSetBody;
import org.apache.camel.management.mbean.ManagedSetExchangePattern;
import org.apache.camel.management.mbean.ManagedSetHeader;
import org.apache.camel.management.mbean.ManagedSetProperty;
import org.apache.camel.management.mbean.ManagedSplitter;
import org.apache.camel.management.mbean.ManagedStickyLoadBalancer;
import org.apache.camel.management.mbean.ManagedStop;
import org.apache.camel.management.mbean.ManagedSuspendableRoute;
import org.apache.camel.management.mbean.ManagedThreadPool;
import org.apache.camel.management.mbean.ManagedThreads;
import org.apache.camel.management.mbean.ManagedThrottler;
import org.apache.camel.management.mbean.ManagedThroughputLogger;
import org.apache.camel.management.mbean.ManagedThrowException;
import org.apache.camel.management.mbean.ManagedTopicLoadBalancer;
import org.apache.camel.management.mbean.ManagedTransformer;
import org.apache.camel.management.mbean.ManagedUnmarshal;
import org.apache.camel.management.mbean.ManagedValidate;
import org.apache.camel.management.mbean.ManagedWeightedLoadBalancer;
import org.apache.camel.management.mbean.ManagedWireTapProcessor;
import org.apache.camel.model.ExpressionNode;
import org.apache.camel.model.LoadBalanceDefinition;
import org.apache.camel.model.ModelCamelContext;
import org.apache.camel.model.ProcessDefinition;
import org.apache.camel.model.ProcessorDefinition;
import org.apache.camel.model.RecipientListDefinition;
import org.apache.camel.model.ThreadsDefinition;
import org.apache.camel.model.loadbalancer.CustomLoadBalancerDefinition;
import org.apache.camel.processor.ChoiceProcessor;
import org.apache.camel.processor.ClaimCheckProcessor;
import org.apache.camel.processor.ConvertBodyProcessor;
import org.apache.camel.processor.Delayer;
import org.apache.camel.processor.DynamicRouter;
import org.apache.camel.processor.Enricher;
import org.apache.camel.processor.ErrorHandler;
import org.apache.camel.processor.ExchangePatternProcessor;
import org.apache.camel.processor.FilterProcessor;
import org.apache.camel.processor.LogProcessor;
import org.apache.camel.processor.LoopProcessor;
import org.apache.camel.processor.MarshalProcessor;
import org.apache.camel.processor.MulticastProcessor;
import org.apache.camel.processor.Pipeline;
import org.apache.camel.processor.PollEnricher;
import org.apache.camel.processor.RecipientList;
import org.apache.camel.processor.RemoveHeaderProcessor;
import org.apache.camel.processor.RemoveHeadersProcessor;
import org.apache.camel.processor.RemovePropertiesProcessor;
import org.apache.camel.processor.RemovePropertyProcessor;
import org.apache.camel.processor.Resequencer;
import org.apache.camel.processor.RollbackProcessor;
import org.apache.camel.processor.RoutingSlip;
import org.apache.camel.processor.SamplingThrottler;
import org.apache.camel.processor.ScriptProcessor;
import org.apache.camel.processor.SendDynamicProcessor;
import org.apache.camel.processor.SendProcessor;
import org.apache.camel.processor.SetBodyProcessor;
import org.apache.camel.processor.SetHeaderProcessor;
import org.apache.camel.processor.SetPropertyProcessor;
import org.apache.camel.processor.Splitter;
import org.apache.camel.processor.StopProcessor;
import org.apache.camel.processor.StreamResequencer;
import org.apache.camel.processor.ThreadsProcessor;
import org.apache.camel.processor.Throttler;
import org.apache.camel.processor.ThroughputLogger;
import org.apache.camel.processor.ThrowExceptionProcessor;
import org.apache.camel.processor.TransformProcessor;
import org.apache.camel.processor.UnmarshalProcessor;
import org.apache.camel.processor.WireTapProcessor;
import org.apache.camel.processor.aggregate.AggregateProcessor;
import org.apache.camel.processor.idempotent.IdempotentConsumer;
import org.apache.camel.processor.loadbalancer.CircuitBreakerLoadBalancer;
import org.apache.camel.processor.loadbalancer.FailOverLoadBalancer;
import org.apache.camel.processor.loadbalancer.LoadBalancer;
import org.apache.camel.processor.loadbalancer.RandomLoadBalancer;
import org.apache.camel.processor.loadbalancer.RoundRobinLoadBalancer;
import org.apache.camel.processor.loadbalancer.StickyLoadBalancer;
import org.apache.camel.processor.loadbalancer.TopicLoadBalancer;
import org.apache.camel.processor.loadbalancer.WeightedLoadBalancer;
import org.apache.camel.processor.validation.PredicateValidatingProcessor;
import org.apache.camel.spi.BrowsableEndpoint;
import org.apache.camel.spi.DataFormat;
import org.apache.camel.spi.EventNotifier;
import org.apache.camel.spi.ManagementObjectStrategy;
import org.apache.camel.spi.RouteContext;
/**
* Default {@link org.apache.camel.spi.ManagementObjectStrategy}.
*/
public class DefaultManagementObjectStrategy implements ManagementObjectStrategy {
public Object getManagedObjectForCamelContext(CamelContext context) {
ManagedCamelContext mc = new ManagedCamelContext((ModelCamelContext)context);
mc.init(context.getManagementStrategy());
return mc;
}
public Object getManagedObjectForCamelHealth(CamelContext context) {
ManagedCamelHealth mch = new ManagedCamelHealth(context);
mch.init(context.getManagementStrategy());
return mch;
}
@SuppressWarnings({"deprecation", "unchecked"})
public Object getManagedObjectForComponent(CamelContext context, Component component, String name) {
if (component instanceof org.apache.camel.spi.ManagementAware) {
return ((org.apache.camel.spi.ManagementAware) component).getManagedObject(component);
} else {
ManagedComponent mc = new ManagedComponent(name, component);
mc.init(context.getManagementStrategy());
return mc;
}
}
@SuppressWarnings({"deprecation", "unchecked"})
public Object getManagedObjectForDataFormat(CamelContext context, DataFormat dataFormat) {
if (dataFormat instanceof org.apache.camel.spi.ManagementAware) {
return ((org.apache.camel.spi.ManagementAware) dataFormat).getManagedObject(dataFormat);
} else {
ManagedDataFormat md = new ManagedDataFormat(context, dataFormat);
md.init(context.getManagementStrategy());
return md;
}
}
@SuppressWarnings({"deprecation", "unchecked"})
public Object getManagedObjectForEndpoint(CamelContext context, Endpoint endpoint) {
// we only want to manage singleton endpoints
if (!endpoint.isSingleton()) {
return null;
}
if (endpoint instanceof org.apache.camel.spi.ManagementAware) {
return ((org.apache.camel.spi.ManagementAware) endpoint).getManagedObject(endpoint);
} else if (endpoint instanceof BrowsableEndpoint) {
ManagedBrowsableEndpoint me = new ManagedBrowsableEndpoint((BrowsableEndpoint) endpoint);
me.init(context.getManagementStrategy());
return me;
} else {
ManagedEndpoint me = new ManagedEndpoint(endpoint);
me.init(context.getManagementStrategy());
return me;
}
}
public Object getManagedObjectForErrorHandler(CamelContext context, RouteContext routeContext,
Processor errorHandler, ErrorHandlerFactory errorHandlerBuilder) {
ManagedErrorHandler me = new ManagedErrorHandler(routeContext, errorHandler, errorHandlerBuilder);
me.init(context.getManagementStrategy());
return me;
}
public Object getManagedObjectForRouteController(CamelContext context) {
ManagedRouteController mrc = new ManagedRouteController((ModelCamelContext)context);
mrc.init(context.getManagementStrategy());
return mrc;
}
public Object getManagedObjectForRoute(CamelContext context, Route route) {
ManagedRoute mr;
if (route.supportsSuspension()) {
mr = new ManagedSuspendableRoute((ModelCamelContext)context, route);
} else {
mr = new ManagedRoute((ModelCamelContext)context, route);
}
mr.init(context.getManagementStrategy());
return mr;
}
public Object getManagedObjectForThreadPool(CamelContext context, ThreadPoolExecutor threadPool,
String id, String sourceId, String routeId, String threadPoolProfileId) {
ManagedThreadPool mtp = new ManagedThreadPool(context, threadPool, id, sourceId, routeId, threadPoolProfileId);
mtp.init(context.getManagementStrategy());
return mtp;
}
public Object getManagedObjectForEventNotifier(CamelContext context, EventNotifier eventNotifier) {
ManagedEventNotifier men = new ManagedEventNotifier(context, eventNotifier);
men.init(context.getManagementStrategy());
return men;
}
public Object getManagedObjectForConsumer(CamelContext context, Consumer consumer) {
ManagedConsumer mc;
if (consumer instanceof ScheduledPollConsumer) {
mc = new ManagedScheduledPollConsumer(context, (ScheduledPollConsumer) consumer);
} else {
mc = new ManagedConsumer(context, consumer);
}
mc.init(context.getManagementStrategy());
return mc;
}
public Object getManagedObjectForProducer(CamelContext context, Producer producer) {
ManagedProducer mp = new ManagedProducer(context, producer);
mp.init(context.getManagementStrategy());
return mp;
}
public Object getManagedObjectForService(CamelContext context, Service service) {
ManagedService mc = new ManagedService(context, service);
mc.init(context.getManagementStrategy());
return mc;
}
public Object getManagedObjectForClusterService(CamelContext context, CamelClusterService service) {
ManagedClusterService mcs = new ManagedClusterService(context, service);
mcs.init(context.getManagementStrategy());
return mcs;
}
@SuppressWarnings({"deprecation", "unchecked"})
public Object getManagedObjectForProcessor(CamelContext context, Processor processor,
ProcessorDefinition definition, Route route) {
ManagedProcessor answer = null;
if (definition instanceof RecipientListDefinition) {
// special for RecipientListDefinition, as the processor is wrapped in a pipeline as last
Pipeline pipeline = (Pipeline) processor;
Iterator it = pipeline.getProcessors().iterator();
while (it.hasNext()) {
processor = it.next();
}
} else if (definition instanceof ThreadsDefinition) {
// special for ThreadsDefinition, as the processor is wrapped in a pipeline as first
Pipeline pipeline = (Pipeline) processor;
Iterator it = pipeline.getProcessors().iterator();
processor = it.next();
}
// unwrap delegates as we want the real target processor
Processor target = processor;
while (target != null) {
// skip error handlers
if (target instanceof ErrorHandler) {
return false;
}
if (target instanceof ConvertBodyProcessor) {
answer = new ManagedConvertBody(context, (ConvertBodyProcessor) target, definition);
} else if (target instanceof ChoiceProcessor) {
answer = new ManagedChoice(context, (ChoiceProcessor) target, definition);
} else if (target instanceof ClaimCheckProcessor) {
answer = new ManagedClaimCheck(context, (ClaimCheckProcessor) target, definition);
} else if (target instanceof Delayer) {
answer = new ManagedDelayer(context, (Delayer) target, definition);
} else if (target instanceof Throttler) {
answer = new ManagedThrottler(context, (Throttler) target, definition);
} else if (target instanceof DynamicRouter) {
answer = new ManagedDynamicRouter(context, (DynamicRouter) target, (org.apache.camel.model.DynamicRouterDefinition) definition);
} else if (target instanceof RoutingSlip) {
answer = new ManagedRoutingSlip(context, (RoutingSlip) target, (org.apache.camel.model.RoutingSlipDefinition) definition);
} else if (target instanceof FilterProcessor) {
answer = new ManagedFilter(context, (FilterProcessor) target, (ExpressionNode)definition);
} else if (target instanceof LogProcessor) {
answer = new ManagedLog(context, (LogProcessor) target, definition);
} else if (target instanceof LoopProcessor) {
answer = new ManagedLoop(context, (LoopProcessor) target, (org.apache.camel.model.LoopDefinition) definition);
} else if (target instanceof MarshalProcessor) {
answer = new ManagedMarshal(context, (MarshalProcessor) target, (org.apache.camel.model.MarshalDefinition) definition);
} else if (target instanceof UnmarshalProcessor) {
answer = new ManagedUnmarshal(context, (UnmarshalProcessor) target, (org.apache.camel.model.UnmarshalDefinition) definition);
} else if (target instanceof CircuitBreakerLoadBalancer) {
answer = new ManagedCircuitBreakerLoadBalancer(context, (CircuitBreakerLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof FailOverLoadBalancer) {
answer = new ManagedFailoverLoadBalancer(context, (FailOverLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof RandomLoadBalancer) {
answer = new ManagedRandomLoadBalancer(context, (RandomLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof RoundRobinLoadBalancer) {
answer = new ManagedRoundRobinLoadBalancer(context, (RoundRobinLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof StickyLoadBalancer) {
answer = new ManagedStickyLoadBalancer(context, (StickyLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof TopicLoadBalancer) {
answer = new ManagedTopicLoadBalancer(context, (TopicLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof WeightedLoadBalancer) {
answer = new ManagedWeightedLoadBalancer(context, (WeightedLoadBalancer) target, (org.apache.camel.model.LoadBalanceDefinition) definition);
} else if (target instanceof RecipientList) {
answer = new ManagedRecipientList(context, (RecipientList) target, (RecipientListDefinition) definition);
} else if (target instanceof Splitter) {
answer = new ManagedSplitter(context, (Splitter) target, (org.apache.camel.model.SplitDefinition) definition);
} else if (target instanceof MulticastProcessor) {
answer = new ManagedMulticast(context, (MulticastProcessor) target, definition);
} else if (target instanceof SamplingThrottler) {
answer = new ManagedSamplingThrottler(context, (SamplingThrottler) target, definition);
} else if (target instanceof Resequencer) {
answer = new ManagedResequencer(context, (Resequencer) target, definition);
} else if (target instanceof RollbackProcessor) {
answer = new ManagedRollback(context, (RollbackProcessor) target, definition);
} else if (target instanceof StreamResequencer) {
answer = new ManagedResequencer(context, (StreamResequencer) target, definition);
} else if (target instanceof SetBodyProcessor) {
answer = new ManagedSetBody(context, (SetBodyProcessor) target, (org.apache.camel.model.SetBodyDefinition) definition);
} else if (target instanceof RemoveHeaderProcessor) {
answer = new ManagedRemoveHeader(context, (RemoveHeaderProcessor) target, definition);
} else if (target instanceof RemoveHeadersProcessor) {
answer = new ManagedRemoveHeaders(context, (RemoveHeadersProcessor) target, definition);
} else if (target instanceof SetHeaderProcessor) {
answer = new ManagedSetHeader(context, (SetHeaderProcessor) target, (org.apache.camel.model.SetHeaderDefinition) definition);
} else if (target instanceof RemovePropertyProcessor) {
answer = new ManagedRemoveProperty(context, (RemovePropertyProcessor) target, definition);
} else if (target instanceof RemovePropertiesProcessor) {
answer = new ManagedRemoveProperties(context, (RemovePropertiesProcessor) target, definition);
} else if (target instanceof SetPropertyProcessor) {
answer = new ManagedSetProperty(context, (SetPropertyProcessor) target, (org.apache.camel.model.SetPropertyDefinition) definition);
} else if (target instanceof ExchangePatternProcessor) {
answer = new ManagedSetExchangePattern(context, (ExchangePatternProcessor) target, definition);
} else if (target instanceof ScriptProcessor) {
answer = new ManagedScript(context, (ScriptProcessor) target, (org.apache.camel.model.ScriptDefinition) definition);
} else if (target instanceof StopProcessor) {
answer = new ManagedStop(context, (StopProcessor) target, definition);
} else if (target instanceof ThreadsProcessor) {
answer = new ManagedThreads(context, (ThreadsProcessor) target, definition);
} else if (target instanceof ThrowExceptionProcessor) {
answer = new ManagedThrowException(context, (ThrowExceptionProcessor) target, definition);
} else if (target instanceof TransformProcessor) {
answer = new ManagedTransformer(context, (TransformProcessor) target, (org.apache.camel.model.TransformDefinition) definition);
} else if (target instanceof PredicateValidatingProcessor) {
answer = new ManagedValidate(context, (PredicateValidatingProcessor) target, (org.apache.camel.model.ValidateDefinition) definition);
} else if (target instanceof WireTapProcessor) {
answer = new ManagedWireTapProcessor(context, (WireTapProcessor) target, definition);
} else if (target instanceof SendDynamicProcessor) {
answer = new ManagedSendDynamicProcessor(context, (SendDynamicProcessor) target, definition);
} else if (target instanceof SendProcessor) {
SendProcessor sp = (SendProcessor) target;
// special for sending to throughput logger
if (sp.getDestination() instanceof LogEndpoint) {
LogEndpoint le = (LogEndpoint) sp.getDestination();
if (le.getLogger() instanceof ThroughputLogger) {
ThroughputLogger tl = (ThroughputLogger) le.getLogger();
answer = new ManagedThroughputLogger(context, tl, definition);
}
}
// regular send processor
if (answer == null) {
answer = new ManagedSendProcessor(context, (SendProcessor) target, definition);
}
} else if (target instanceof BeanProcessor) {
answer = new ManagedBeanProcessor(context, (BeanProcessor) target, definition);
} else if (target instanceof IdempotentConsumer) {
answer = new ManagedIdempotentConsumer(context, (IdempotentConsumer) target, (org.apache.camel.model.IdempotentConsumerDefinition) definition);
} else if (target instanceof AggregateProcessor) {
answer = new ManagedAggregateProcessor(context, (AggregateProcessor) target, (org.apache.camel.model.AggregateDefinition) definition);
} else if (target instanceof Enricher) {
answer = new ManagedEnricher(context, (Enricher) target, (org.apache.camel.model.EnrichDefinition) definition);
} else if (target instanceof PollEnricher) {
answer = new ManagedPollEnricher(context, (PollEnricher) target, (org.apache.camel.model.PollEnrichDefinition) definition);
} else if (target instanceof org.apache.camel.spi.ManagementAware) {
return ((org.apache.camel.spi.ManagementAware) target).getManagedObject(processor);
}
// special for custom load balancer
if (definition instanceof LoadBalanceDefinition) {
LoadBalanceDefinition lb = (LoadBalanceDefinition) definition;
if (lb.getLoadBalancerType() instanceof CustomLoadBalancerDefinition) {
answer = new ManagedCustomLoadBalancer(context, (LoadBalancer) target, (LoadBalanceDefinition) definition);
}
}
if (answer != null) {
// break out as we found an answer
break;
}
// no answer yet, so unwrap any delegates and try again
if (target instanceof DelegateProcessor) {
target = ((DelegateProcessor) target).getProcessor();
} else {
// no delegate so we dont have any target to try next
break;
}
}
if (answer == null && definition instanceof ProcessDefinition) {
answer = new ManagedProcess(context, target, (ProcessDefinition) definition);
} else if (answer == null) {
// fallback to a generic processor
answer = new ManagedProcessor(context, target, definition);
}
answer.setRoute(route);
answer.init(context.getManagementStrategy());
return answer;
}
}