diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java deleted file mode 100644 index aa97ff3a1b..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java +++ /dev/null @@ -1,381 +0,0 @@ -/* - * 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.tuscany.sca.endpoint.hazelcast; - -import java.io.FileNotFoundException; -import java.net.UnknownHostException; -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; -import java.util.Map; -import java.util.Properties; -import java.util.concurrent.ConcurrentHashMap; -import java.util.logging.Logger; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.LifeCycleListener; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.runtime.BaseEndpointRegistry; -import org.apache.tuscany.sca.runtime.EndpointRegistry; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.apache.tuscany.sca.runtime.RuntimeProperties; -import org.oasisopen.sca.ServiceRuntimeException; - -import com.hazelcast.config.Config; -import com.hazelcast.config.NearCacheConfig; -import com.hazelcast.config.TcpIpConfig; -import com.hazelcast.config.XmlConfigBuilder; -import com.hazelcast.core.EntryEvent; -import com.hazelcast.core.EntryListener; -import com.hazelcast.core.Hazelcast; -import com.hazelcast.core.HazelcastInstance; -import com.hazelcast.core.ILock; -import com.hazelcast.core.IMap; -import com.hazelcast.core.Member; -import com.hazelcast.core.MembershipEvent; -import com.hazelcast.core.MembershipListener; -import com.hazelcast.core.MultiMap; -import com.hazelcast.core.Transaction; -import com.hazelcast.nio.Address; - -/** - * An EndpointRegistry using a Hazelcast - */ -public class HazelcastEndpointRegistry extends BaseEndpointRegistry implements EndpointRegistry, LifeCycleListener, EntryListener<String, Endpoint>, MembershipListener { - private final static Logger logger = Logger.getLogger(HazelcastEndpointRegistry.class.getName()); - - private HazelcastInstance hazelcastInstance; - protected Map<Object, Object> endpointMap; - protected Map<String, Endpoint> localEndpoints = new ConcurrentHashMap<String, Endpoint>(); - protected MultiMap<String, String> endpointOwners; - protected AssemblyFactory assemblyFactory; - protected Object shutdownMutex = new Object(); - protected Properties properties; - - public HazelcastEndpointRegistry(ExtensionPointRegistry registry, Properties properties, String endpointRegistryURI, String domainURI) { - super(registry, null, endpointRegistryURI, domainURI); - this.assemblyFactory = registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(AssemblyFactory.class); - this.properties = properties; - } - - public HazelcastEndpointRegistry(ExtensionPointRegistry registry, - Map<String, String> attributes, - String domainRegistryURI, - String domainURI) { - super(registry, attributes, domainRegistryURI, domainURI); - this.assemblyFactory = registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(AssemblyFactory.class); - this.properties = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties(); - } - - public HazelcastInstance getHazelcastInstance() { - return hazelcastInstance; - } - - public void start() { - if (endpointMap != null) { - throw new IllegalStateException("The registry has already been started"); - } -// if (configURI.toString().startsWith("tuscany:vm:")) { -// endpointMap = new HashMap<Object, Object>(); -// } else { - initHazelcastInstance(); - IMap imap = hazelcastInstance.getMap(domainURI + "/Endpoints"); - imap.addEntryListener(this, true); - endpointMap = imap; - - endpointOwners = hazelcastInstance.getMultiMap(domainURI + "/EndpointOwners"); - - hazelcastInstance.getCluster().addMembershipListener(this); -// } - } - - public void stop() { - if (hazelcastInstance != null) { - synchronized (shutdownMutex) { - hazelcastInstance.shutdown(); - hazelcastInstance = null; - endpointMap = null; - endpointOwners = null; - } - } - } - - private void initHazelcastInstance() { - Config config = getHazelcastConfig(); - - // do this when theres a way to have adders be the key owners - // config.getMapConfig(configURI.getDomainName() + "/Endpoints").setBackupCount(0); - - // this caches reads locally - config.getMapConfig("default").setNearCacheConfig(new NearCacheConfig(0, 0, "NONE", 0, true)); - - // Disable the Hazelcast shutdown hook as Tuscany has its own and with both there are race conditions - config.setProperty("hazelcast.shutdownhook.enabled", - // GroupProperties.PROP_SHUTDOWNHOOK_ENABLED, - "false"); - - // By default this is 5 seconds, not sure what the implications are but dropping it down to 1 makes - // things like the samples look much faster - config.setProperty("hazelcast.wait.seconds.before.join", - // GroupProperties.PROP_WAIT_SECONDS_BEFORE_JOIN, - "1"); - - this.hazelcastInstance = Hazelcast.newHazelcastInstance(config); - } - - protected Config getHazelcastConfig() { - Config config; - this.properties = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties(); - String configFile = properties.getProperty("hazelcastConfig"); - if (configFile != null) { - try { - config = new XmlConfigBuilder(configFile).build(); - } catch (FileNotFoundException e) { - throw new IllegalArgumentException(configFile, e); - } - } else { - // TUSCANY-3675 - domainRegistryURI properties don't seem to be copied into the - // properties collection anywhere - config = new XmlConfigBuilder().build(); - RegistryConfig rc = RegistryConfig.parseConfigURI(domainRegistryURI); - config.setPort(rc.getBindPort()); - //config.setPortAutoIncrement(false); - - if (!rc.getBindAddress().equals("*")) { - config.getNetworkConfig().getInterfaces().setEnabled(true); - config.getNetworkConfig().getInterfaces().clear(); - config.getNetworkConfig().getInterfaces().addInterface(rc.getBindAddress()); - } - - config.getGroupConfig().setName(rc.getUserid()); - config.getGroupConfig().setPassword(rc.getPassword()); - - if (rc.isMulticastDisabled()) { - config.getNetworkConfig().getJoin().getMulticastConfig().setEnabled(false); - } else { - config.getNetworkConfig().getJoin().getMulticastConfig().setEnabled(true); - config.getNetworkConfig().getJoin().getMulticastConfig().setMulticastPort(rc.getMulticastPort()); - config.getNetworkConfig().getJoin().getMulticastConfig().setMulticastGroup(rc.getMulticastAddress()); - } - - if (rc.getWKAs().size() > 0) { - TcpIpConfig tcpconfig = config.getNetworkConfig().getJoin().getTcpIpConfig(); - tcpconfig.setEnabled(true); - List<Address> lsMembers = tcpconfig.getAddresses(); - lsMembers.clear(); - for (String addr : rc.getWKAs()) { - String[] ipNPort = addr.split(":"); - try { - lsMembers.add(new Address(ipNPort[0], Integer.parseInt(ipNPort[1]))); - } catch (UnknownHostException e) { - throw new RuntimeException(e); - } - } - } - } - return config; - } - - public void addEndpoint(Endpoint endpoint) { - if (findEndpoint(endpoint.getURI()).size() > 0) { - Member m = getOwningMember(endpoint.getURI()); - throw new IllegalStateException("Endpoint " + endpoint.getURI() + " already exists in domain " + domainURI + " at " + m.getInetSocketAddress()); - } - - String localMemberAddr = hazelcastInstance.getCluster().getLocalMember().getInetSocketAddress().toString(); - String endpointURI = endpoint.getURI(); - Transaction txn = hazelcastInstance.getTransaction(); - txn.begin(); - try { - endpointMap.put(endpointURI, endpoint); - endpointOwners.put(localMemberAddr, endpointURI); - txn.commit(); - } catch (Throwable e) { - txn.rollback(); - throw new ServiceRuntimeException(e); - } - localEndpoints.put(endpointURI, endpoint); - logger.info("Add endpoint - " + endpoint); - } - - public List<Endpoint> findEndpoint(String uri) { - List<Endpoint> foundEndpoints = new ArrayList<Endpoint>(); - for (Object v : endpointMap.values()) { - Endpoint endpoint = (Endpoint)v; - logger.fine("Matching against - " + endpoint); - if (endpoint.matches(uri)) { - endpoint = localizeEndpoint(endpoint); - foundEndpoints.add(endpoint); - logger.fine("Found endpoint with matching service - " + endpoint); - } - } - return foundEndpoints; - } - - private Endpoint localizeEndpoint(Endpoint endpoint) { - if (endpoint == null) return null; - if (!isLocal(endpoint)) { - endpoint.setRemote(true); - ((RuntimeEndpoint)endpoint).bind(registry, this); - } else { - // get the local version of the endpoint - // this local version won't have been serialized - // won't be marked as remote and will have the - // full interface contract information - endpoint = localEndpoints.get(endpoint.getURI()); - } - return endpoint; - } - - - private boolean isLocal(Endpoint endpoint) { - return localEndpoints.containsKey(endpoint.getURI()); - } - - public Endpoint getEndpoint(String uri) { - return localizeEndpoint((Endpoint)endpointMap.get(uri)); - } - - public List<Endpoint> getEndpoints() { - ArrayList<Endpoint> eps = new ArrayList(); - for (Object ep : endpointMap.values()) { - eps.add(localizeEndpoint((Endpoint)ep)); - } - return eps; - } - - public void removeEndpoint(Endpoint endpoint) { - if (hazelcastInstance == null) { - return; - } - synchronized (shutdownMutex) { - String localMemberAddr = hazelcastInstance.getCluster().getLocalMember().getInetSocketAddress().toString(); - String endpointURI = endpoint.getURI(); - -// TODO: seems to be a txn bug in Hazelcast, see http://code.google.com/p/hazelcast/issues/detail?id=258 -// Transaction txn = hazelcastInstance.getTransaction(); -// txn.begin(); -// try { - endpointOwners.remove(localMemberAddr, endpointURI); - endpointMap.remove(endpointURI); -// txn.commit(); -// } catch (Throwable e) { -// txn.rollback(); -// throw new ServiceRuntimeException(e); -// } - localEndpoints.remove(endpointURI); - logger.info("Removed endpoint - " + endpoint); - } - } - - - public void entryAdded(EntryEvent<String, Endpoint> event) { - entryAdded(event.getKey(), event.getValue()); - } - - public void entryEvicted(EntryEvent<String, Endpoint> event) { - // Should not happen - } - - public void entryRemoved(EntryEvent<String, Endpoint> event) { - entryRemoved(event.getKey(), event.getValue()); - } - - public void entryUpdated(EntryEvent<String, Endpoint> event) { - entryUpdated(event.getKey(), null, event.getValue()); - } - - public void entryAdded(Object key, Object value) { - Endpoint newEp = (Endpoint)value; - if (!isLocal(newEp)) { - logger.info(" Remote endpoint added: " + newEp); - } - endpointAdded(newEp); - } - - public void entryRemoved(Object key, Object value) { - Endpoint oldEp = (Endpoint)value; - if (!isLocal(oldEp)) { - logger.info(" Remote endpoint removed: " + value); - } - endpointRemoved(oldEp); - } - - public void entryUpdated(Object key, Object oldValue, Object newValue) { - Endpoint oldEp = (Endpoint)oldValue; - Endpoint newEp = (Endpoint)newValue; - if (!isLocal(newEp)) { - logger.info(" Remote endpoint updated: " + newEp); - } - endpointUpdated(oldEp, newEp); - } - - public void memberAdded(MembershipEvent event) { - } - - public void memberRemoved(MembershipEvent event) { - try { - String memberAddr = event.getMember().getInetSocketAddress().toString(); - if (endpointOwners.containsKey(memberAddr)) { - synchronized (shutdownMutex) { - ILock lock = hazelcastInstance.getLock("EndpointOwners/" + memberAddr); - lock.lock(); - try { - if (endpointOwners.containsKey(memberAddr)) { - Collection<String> keys = endpointOwners.remove(memberAddr); - for (Object k : keys) { - endpointMap.remove(k); - } - } - } finally { - lock.unlock(); - } - } - } - } catch (Exception e) { - if (e.getCause() != null && e.getCause().getCause() != null) { - // ignore hazelcast already shutdown exception - if (!"Hazelcast Instance is not active!".equals(e.getCause().getCause().getMessage())) { - throw new ServiceRuntimeException(e); - } - } - } - } - - public Member getOwningMember(String serviceURI) { - for (String memberAddr : endpointOwners.keySet()) { - for (String service : endpointOwners.get(memberAddr)) { - Endpoint ep = assemblyFactory.createEndpoint(); - ep.setURI(service); - if (ep.matches(serviceURI)) { - for (Member m : getHazelcastInstance().getCluster().getMembers()) { - if (memberAddr.equals(m.getInetSocketAddress().toString())) { - return m; - } - } - } - } - } - return null; - } -} |