/*
* 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.geode.management.internal.cli.functions;
/**
* Function used by the 'create async-event-queue' gfsh command to create an asynchronous event
* queue on a member.
*
* @since GemFire 8.0
*/
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.apache.logging.log4j.Logger;
import org.apache.geode.SystemFailure;
import org.apache.geode.cache.CacheClosedException;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.Declarable;
import org.apache.geode.cache.asyncqueue.AsyncEventListener;
import org.apache.geode.cache.asyncqueue.AsyncEventQueueFactory;
import org.apache.geode.cache.execute.FunctionAdapter;
import org.apache.geode.cache.execute.FunctionContext;
import org.apache.geode.cache.wan.GatewaySender.OrderPolicy;
import org.apache.geode.cache.wan.GatewayEventFilter;
import org.apache.geode.cache.wan.GatewayEventSubstitutionFilter;
import org.apache.geode.distributed.DistributedMember;
import org.apache.geode.internal.ClassPathLoader;
import org.apache.geode.internal.InternalDataSerializer;
import org.apache.geode.internal.InternalEntity;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import org.apache.geode.internal.cache.xmlcache.CacheXml;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.management.internal.cli.i18n.CliStrings;
import org.apache.geode.management.internal.configuration.domain.XmlEntity;
import joptsimple.internal.Strings;
public class CreateAsyncEventQueueFunction extends FunctionAdapter implements InternalEntity {
private static final Logger logger = LogService.getLogger();
private static final long serialVersionUID = 1L;
@SuppressWarnings("deprecation")
@Override
public void execute(FunctionContext context) {
// Declared here so that it's available when returning a Throwable
String memberId = "";
try {
AsyncEventQueueFunctionArgs aeqArgs = (AsyncEventQueueFunctionArgs) context.getArguments();
GemFireCacheImpl cache = (GemFireCacheImpl) CacheFactory.getAnyInstance();
DistributedMember member = cache.getDistributedSystem().getDistributedMember();
memberId = member.getId();
// If they set a name use it instead
if (!member.getName().equals("")) {
memberId = member.getName();
}
AsyncEventQueueFactory asyncEventQueueFactory = cache.createAsyncEventQueueFactory()
.setParallel(aeqArgs.isParallel())
.setBatchConflationEnabled(aeqArgs.isEnableBatchConflation())
.setBatchSize(aeqArgs.getBatchSize()).setBatchTimeInterval(aeqArgs.getBatchTimeInterval())
.setPersistent(aeqArgs.isPersistent()).setDiskStoreName(aeqArgs.getDiskStoreName())
.setDiskSynchronous(aeqArgs.isDiskSynchronous())
.setForwardExpirationDestroy(aeqArgs.isForwardExpirationDestroy())
.setMaximumQueueMemory(aeqArgs.getMaxQueueMemory())
.setDispatcherThreads(aeqArgs.getDispatcherThreads())
.setOrderPolicy(OrderPolicy.valueOf(aeqArgs.getOrderPolicy()));
String[] gatewayEventFilters = aeqArgs.getGatewayEventFilters();
if (gatewayEventFilters != null) {
for (String gatewayEventFilter : gatewayEventFilters) {
Class<?> gatewayEventFilterKlass =
forName(gatewayEventFilter, CliStrings.CREATE_ASYNC_EVENT_QUEUE__GATEWAYEVENTFILTER);
asyncEventQueueFactory
.addGatewayEventFilter((GatewayEventFilter) newInstance(gatewayEventFilterKlass,
CliStrings.CREATE_ASYNC_EVENT_QUEUE__GATEWAYEVENTFILTER));
}
}
String gatewaySubstitutionFilter = aeqArgs.getGatewaySubstitutionFilter();
if (gatewaySubstitutionFilter != null) {
Class<?> gatewayEventSubstitutionFilterKlass = forName(gatewaySubstitutionFilter,
CliStrings.CREATE_ASYNC_EVENT_QUEUE__SUBSTITUTION_FILTER);
asyncEventQueueFactory.setGatewayEventSubstitutionListener(
(GatewayEventSubstitutionFilter<?, ?>) newInstance(gatewayEventSubstitutionFilterKlass,
CliStrings.CREATE_ASYNC_EVENT_QUEUE__SUBSTITUTION_FILTER));
}
String listenerClassName = aeqArgs.getListenerClassName();
Object listenerInstance;
Class<?> listenerClass = InternalDataSerializer.getCachedClass(listenerClassName);
listenerInstance = listenerClass.newInstance();
Properties listenerProperties = aeqArgs.getListenerProperties();
if (listenerProperties != null && !listenerProperties.isEmpty()) {
if (!(listenerInstance instanceof Declarable)) {
throw new IllegalArgumentException(
"Listener properties were provided, but the listener specified does not implement Declarable.");
}
((Declarable) listenerInstance).init(listenerProperties);
Map<Declarable, Properties> declarablesMap = new HashMap<Declarable, Properties>();
declarablesMap.put((Declarable) listenerInstance, listenerProperties);
cache.addDeclarableProperties(declarablesMap);
}
asyncEventQueueFactory.create(aeqArgs.getAsyncEventQueueId(),
(AsyncEventListener) listenerInstance);
XmlEntity xmlEntity =
new XmlEntity(CacheXml.ASYNC_EVENT_QUEUE, "id", aeqArgs.getAsyncEventQueueId());
context.getResultSender().lastResult(new CliFunctionResult(memberId, xmlEntity, "Success"));
} catch (CacheClosedException cce) {
context.getResultSender().lastResult(new CliFunctionResult(memberId, false, null));
} catch (VirtualMachineError e) {
SystemFailure.initiateFailure(e);
throw e;
} catch (Throwable th) {
SystemFailure.checkFailure();
logger.error("Could not create async event queue: {}", th.getMessage(), th);
context.getResultSender().lastResult(new CliFunctionResult(memberId, th, null));
}
}
private Class<?> forName(String className, String neededFor) {
if (Strings.isNullOrEmpty(className)) {
return null;
}
try {
return ClassPathLoader.getLatest().forName(className);
} catch (ClassNotFoundException e) {
throw new RuntimeException(CliStrings.format(
CliStrings.CREATE_ASYNC_EVENT_QUEUE__MSG__COULDNOT_FIND_CLASS_0_SPECIFIED_FOR_1,
new Object[] {className, neededFor}), e);
} catch (ClassCastException e) {
throw new RuntimeException(CliStrings.format(
CliStrings.CREATE_ASYNC_EVENT_QUEUE__MSG__CLASS_0_SPECIFIED_FOR_1_IS_NOT_OF_EXPECTED_TYPE,
new Object[] {className, neededFor}), e);
}
}
private static Object newInstance(Class<?> klass, String neededFor) {
try {
return klass.newInstance();
} catch (InstantiationException e) {
throw new RuntimeException(CliStrings.format(
CliStrings.CREATE_ASYNC_EVENT_QUEUE__MSG__COULDNOT_INSTANTIATE_CLASS_0_SPECIFIED_FOR_1,
new Object[] {klass, neededFor}), e);
} catch (IllegalAccessException e) {
throw new RuntimeException(CliStrings.format(
CliStrings.CREATE_ASYNC_EVENT_QUEUE__MSG__COULDNOT_ACCESS_CLASS_0_SPECIFIED_FOR_1,
new Object[] {klass, neededFor}), e);
}
}
@Override
public String getId() {
return CreateDiskStoreFunction.class.getName();
}
}