diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/endpoint-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1-RC1/modules/endpoint-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/endpoint-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/endpoint-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java deleted file mode 100644 index 420bcfa3a2..0000000000 --- a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/endpoint-hazelcast/src/main/java/org/apache/tuscany/sca/endpoint/hazelcast/HazelcastEndpointRegistry.java +++ /dev/null @@ -1,370 +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 domainURI) {
- super(registry, null, null, domainURI);
- this.assemblyFactory = registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(AssemblyFactory.class);
- this.properties = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties();
- }
-
- 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 {
- config = new XmlConfigBuilder().build();
- RegistryConfig rc = new RegistryConfig(properties);
- 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)) {
- 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());
- }
-
- foundEndpoints.add(endpoint);
- logger.fine("Found endpoint with matching service - " + endpoint);
- }
- }
- return foundEndpoints;
- }
-
-
- private boolean isLocal(Endpoint endpoint) {
- return localEndpoints.containsKey(endpoint.getURI());
- }
-
- public Endpoint getEndpoint(String uri) {
- return (Endpoint)endpointMap.get(uri);
- }
-
- public List<Endpoint> getEndpoints() {
- return new ArrayList(endpointMap.values());
- }
-
- 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;
- }
-}
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