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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta4-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/registry/hazelcast/client/HazelcastClientEndpointRegistry.java | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/registry/hazelcast/client/HazelcastClientEndpointRegistry.java b/sca-java-2.x/tags/2.0-Beta4-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/registry/hazelcast/client/HazelcastClientEndpointRegistry.java new file mode 100644 index 0000000000..972bd43075 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC1/modules/domain-hazelcast/src/main/java/org/apache/tuscany/sca/registry/hazelcast/client/HazelcastClientEndpointRegistry.java @@ -0,0 +1,132 @@ +/* + * 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.registry.hazelcast.client; + +import java.io.IOException; +import java.net.InetAddress; +import java.net.Socket; +import java.util.Map; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.registry.hazelcast.HazelcastDomainRegistry; +import org.apache.tuscany.sca.registry.hazelcast.RegistryConfig; +import org.apache.tuscany.sca.runtime.RuntimeProperties; + +import com.hazelcast.client.ClientProperties; +import com.hazelcast.client.ClientProperties.ClientPropertyName; +import com.hazelcast.client.HazelcastClient; +import com.hazelcast.core.HazelcastInstance; + +/** + * An DomainRegistry using a Hazelcast Native Client + */ +public class HazelcastClientEndpointRegistry extends HazelcastDomainRegistry { + + RegistryConfig rc; + HazelcastClient hazelcastClient; + + public HazelcastClientEndpointRegistry(ExtensionPointRegistry registry, + Map<String, String> attributes, + String domainRegistryURI, + String domainURI) { + super(registry, attributes, domainRegistryURI, domainURI); + } + + @Override + public void start() { + if (endpointMap != null) { + throw new IllegalStateException("The registry has already been started"); + } + initHazelcastClientInstance(); + endpointMap = hazelcastClient.getMap(rc.getUserid() + "/Endpoints"); + endpointOwners = hazelcastClient.getMultiMap(rc.getUserid() + "/EndpointOwners"); + runningComponentContributions = hazelcastClient.getMap(rc.getUserid() + "/RunningComponentContributions"); + contributionDescriptions = hazelcastClient.getMap(rc.getUserid() + "/ContributionDescriptions"); + } + + @Override + public void stop() { + if (hazelcastClient != null) { + hazelcastClient.shutdown(); + hazelcastClient = null; + endpointMap = null; + } + } + + private void initHazelcastClientInstance() { + if (this.domainURI == null) { + this.properties = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties(); + this.domainURI = properties.getProperty("defaultDomainName", "default"); + } + this.rc = RegistryConfig.parseConfigURI(domainURI); + if (rc.getWKAs().size() < 1) { + String ip = getDefaultWKA(); + if (ip != null) { + rc.getWKAs().add(ip); + } + } + if (rc.getWKAs().size() < 1) { + throw new IllegalArgumentException("No local domain instance found, please use domain URI 'wka=' argument to define IP address(es) for domain"); + } + + // Hazelcast is outputs a lot on info level log messages which are unnecessary for us, + // so disable info logging for hazelcast client classes unless fine logging is on for tuscany. + if (!Logger.getLogger(this.getClass().getName()).isLoggable(Level.CONFIG)) { + Logger hzl = Logger.getLogger("com.hazelcast"); + if (!hzl.isLoggable(Level.FINE)) { + hzl.setLevel(Level.WARNING); + } + } + + ClientProperties clientProps = ClientProperties.crateBaseClientProperties(rc.getUserid(), rc.getPassword()); + clientProps.setPropertyValue(ClientPropertyName.INIT_CONNECTION_ATTEMPTS_LIMIT, "1"); + this.hazelcastClient = HazelcastClient.newHazelcastClient(clientProps, rc.getWKAs().toArray(new String[0])); + } + + @Override + public HazelcastInstance getHazelcastInstance() { + return hazelcastClient; + } + + /** + * As a default connect to a local runtime instance listening on port 14820 + */ + protected static String getDefaultWKA() { + Socket s = null; + try { + s = new Socket(InetAddress.getLocalHost(), 14820); + if (s.isConnected()) { + return s.getInetAddress().getHostAddress() + ":14820"; + } + } catch (IOException e) { + } finally { + if (s != null) { + try { + s.close(); + } catch (IOException e) { + } + } + } + return null; + } +} |